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zsh/configure.ac
Peter Stephenson cefc0d927f 24179: use queue_signals() for 24170 
24180: back off strerror_r() patch, except for use of temporary var
2007-12-07 11:34:47 +00:00

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dnl
dnl configure.ac: Configure template for zsh.
dnl Process this file with autoconf to produce a configure script.
dnl
dnl Copyright (c) 1995-1997 Richard Coleman
dnl All rights reserved.
dnl
dnl Permission is hereby granted, without written agreement and without
dnl license or royalty fees, to use, copy, modify, and distribute this
dnl software and to distribute modified versions of this software for any
dnl purpose, provided that the above copyright notice and the following
dnl two paragraphs appear in all copies of this software.
dnl
dnl In no event shall Richard Coleman or the Zsh Development Group be liable
dnl to any party for direct, indirect, special, incidental, or consequential
dnl damages arising out of the use of this software and its documentation,
dnl even if Richard Coleman and the Zsh Development Group have been advised of
dnl the possibility of such damage.
dnl
dnl Richard Coleman and the Zsh Development Group specifically disclaim any
dnl warranties, including, but not limited to, the implied warranties of
dnl merchantability and fitness for a particular purpose. The software
dnl provided hereunder is on an "as is" basis, and Richard Coleman and the
dnl Zsh Development Group have no obligation to provide maintenance,
dnl support, updates, enhancements, or modifications.
dnl
AC_INIT(Src/zsh.h)
AC_PREREQ(2.53b)
AC_CONFIG_HEADER(config.h)
dnl What version of zsh are we building ?
. ${srcdir}/Config/version.mk
echo "configuring for zsh $VERSION"
dnl ----------------------------------------------
dnl CHECK FOR MACHINE/VENDOR/OPERATING SYSTEM TYPE
dnl ----------------------------------------------
dnl Find out machine type, vendor, and operating system
dnl What type of host is this?
AC_CANONICAL_HOST
AC_DEFINE_UNQUOTED(MACHTYPE, "$host_cpu",
[Define to be the machine type (microprocessor class or machine model).])
AC_DEFINE_UNQUOTED(VENDOR, "$host_vendor",
[Define to be a string corresponding the vendor of the machine.])
AC_DEFINE_UNQUOTED(OSTYPE, "$host_os",
[Define to be the name of the operating system.])
dnl -----------------------------
dnl CHECKING COMMAND LINE OPTIONS
dnl -----------------------------
dnl Handle --program-prefix, --program-suffix, etc.
zsh_ARG_PROGRAM
dnl Handle setting of compile flags (CPPFLAGS, CFLAGS, LDFLAGS, LIBS).
zsh_COMPILE_FLAGS($CPPFLAGS, $CFLAGS, $LDFLAGS, $LIBS)
dnl Do you want to debug zsh?
ifdef([zsh-debug],[undefine([zsh-debug])])dnl
AH_TEMPLATE([DEBUG],
[Define to 1 if you want to debug zsh.])
AC_ARG_ENABLE(zsh-debug,
AC_HELP_STRING([--enable-zsh-debug], [compile with debug code and debugger symbols]),
[if test x$enableval = xyes; then
AC_DEFINE(DEBUG)
fi])
dnl Do you want zsh memory allocation routines.
ifdef([zsh-mem],[undefine([zsh-mem])])dnl
AH_TEMPLATE([ZSH_MEM],
[Define to 1 if you want to use zsh's own memory allocation routines])
AC_ARG_ENABLE(zsh-mem,
AC_HELP_STRING([--enable-zsh-mem], [compile with zsh memory allocation routines]),
[if test x$enableval = xyes; then
AC_DEFINE(ZSH_MEM)
fi])
dnl Do you want to debug zsh memory allocation routines.
ifdef([zsh-mem-debug],[undefine([zsh-mem-debug])])dnl
AH_TEMPLATE([ZSH_MEM_DEBUG],
[Define to 1 if you want to debug zsh memory allocation routines.])
AC_ARG_ENABLE(zsh-mem-debug,
AC_HELP_STRING([--enable-zsh-mem-debug], [debug zsh memory allocation routines]),
[if test x$enableval = xyes; then
AC_DEFINE(ZSH_MEM_DEBUG)
fi])
dnl Do you want to print warnings when errors in memory allocation.
AH_TEMPLATE([ZSH_MEM_WARNING],
[Define to 1 if you want to turn on warnings of memory allocation errors])
ifdef([zsh-mem-warning],[undefine([zsh-mem-warning])])dnl
AC_ARG_ENABLE(zsh-mem-warning,
AC_HELP_STRING([--enable-zsh-mem-warning], [print warnings for errors in memory allocation]),
[if test x$enableval = xyes; then
AC_DEFINE(ZSH_MEM_WARNING)
fi])
dnl Do you want to turn on error checking for free().
ifdef([zsh-secure-free],[undefine([zsh-secure-free])])dnl
AH_TEMPLATE([ZSH_SECURE_FREE],
[Define to 1 if you want to turn on memory checking for free().])
AC_ARG_ENABLE(zsh-secure-free,
AC_HELP_STRING([--enable-zsh-secure-free], [turn on error checking for free()]),
[if test x$enableval = xyes; then
AC_DEFINE(ZSH_SECURE_FREE)
fi])
dnl Do you want debugging information on internal hash tables.
dnl This turns on the `hashinfo' builtin command.
ifdef([zsh-hash-debug],[undefine([zsh-hash-debug])])dnl
AH_TEMPLATE([ZSH_HASH_DEBUG],
[Define to 1 if you want to get debugging information on internal
hash tables. This turns on the `hashinfo' builtin.])
AC_ARG_ENABLE(zsh-hash-debug,
AC_HELP_STRING([--enable-zsh-hash-debug], [turn on debugging of internal hash tables]),
[if test x$enableval = xyes; then
AC_DEFINE(ZSH_HASH_DEBUG)
fi])
dnl Pathnames for global zsh scripts
ifdef([etcdir],[undefine([etcdir])])dnl
AC_ARG_ENABLE(etcdir,
AC_HELP_STRING([--enable-etcdir=DIR], [the default directory for global zsh scripts]),
[etcdir="$enableval"], [etcdir=/etc])
ifdef([zshenv],[undefine([zshenv])])dnl
AC_ARG_ENABLE(zshenv,
AC_HELP_STRING([--enable-zshenv=FILE], [the full pathname of the global zshenv script]),
[zshenv="$enableval"],
[if test "x$etcdir" = xno; then
zshenv=no
else
zshenv="$etcdir/zshenv"
fi])
AH_TEMPLATE([GLOBAL_ZSHENV],
[The global file to source absolutely first whenever zsh is run;
if undefined, don't source anything.])
if test "x$zshenv" != xno; then
AC_DEFINE_UNQUOTED(GLOBAL_ZSHENV, "$zshenv")
fi
ifdef([zshrc],[undefine([zshrc])])dnl
AC_ARG_ENABLE(zshrc,
AC_HELP_STRING([--enable-zshrc=FILE], [the full pathname of the global zshrc script]),
[zshrc="$enableval"],
[if test "x$etcdir" = xno; then
zshrc=no
else
zshrc="$etcdir/zshrc"
fi])
AH_TEMPLATE([GLOBAL_ZSHRC],
[The global file to source whenever zsh is run;
if undefined, don't source anything])
if test "x$zshrc" != xno; then
AC_DEFINE_UNQUOTED(GLOBAL_ZSHRC, "$zshrc")
fi
ifdef([zprofile],[undefine([zprofile])])dnl
AC_ARG_ENABLE(zprofile,
AC_HELP_STRING([--enable-zprofile=FILE], [the full pathname of the global zprofile script]),
[zprofile="$enableval"],
[if test "x$etcdir" = xno; then
zprofile=no
else
zprofile="$etcdir/zprofile"
fi])
AH_TEMPLATE([GLOBAL_ZPROFILE],
[The global file to source whenever zsh is run as a login shell,
before zshrc is read; if undefined, don't source anything.])
if test "x$zprofile" != xno; then
AC_DEFINE_UNQUOTED(GLOBAL_ZPROFILE, "$zprofile")
fi
ifdef([zlogin],[undefine([zlogin])])dnl
AC_ARG_ENABLE(zlogin,
AC_HELP_STRING([--enable-zlogin=FILE], [the full pathname of the global zlogin script]),
[zlogin="$enableval"],
[if test "x$etcdir" = xno; then
zlogin=no
else
zlogin="$etcdir/zlogin"
fi])
AH_TEMPLATE([GLOBAL_ZLOGIN],
[The global file to source whenever zsh is run as a login shell;
if undefined, don't source anything])
if test "x$zlogin" != xno; then
AC_DEFINE_UNQUOTED(GLOBAL_ZLOGIN, "$zlogin")
fi
ifdef([zlogout],[undefine([zlogout])])dnl
AC_ARG_ENABLE(zlogout,
AC_HELP_STRING([--enable-zlogout=FILE], [the full pathname of the global zlogout script]),
[zlogout="$enableval"],
[if test "x$etcdir" = xno; then
zlogout=no
else
zlogout="$etcdir/zlogout"
fi])
AH_TEMPLATE([GLOBAL_ZLOGOUT],
[The global file to source whenever zsh was run as a login shell.
This is sourced right before exiting. If undefined, don't source
anything.])
if test "x$zlogout" != xno; then
AC_DEFINE_UNQUOTED(GLOBAL_ZLOGOUT, "$zlogout")
fi
AC_SUBST(zshenv)dnl
AC_SUBST(zshrc)dnl
AC_SUBST(zprofile)dnl
AC_SUBST(zlogin)dnl
AC_SUBST(zlogout)dnl
dnl Do you want large file support, if available?
ifdef([lfs],[undefine([lfs])])dnl
AC_ARG_ENABLE(lfs,
AC_HELP_STRING([--disable-lfs], [turn off support for large files]),
[lfs="$enableval"], [lfs=yes])
dnl Do you want dynamically loaded binary modules.
ifdef([dynamic],[undefine([dynamic])])dnl
AC_ARG_ENABLE(dynamic,
AC_HELP_STRING([--disable-dynamic], [turn off dynamically loaded binary modules]),
[dynamic="$enableval"], [dynamic=yes])
dnl Do you want to disable restricted on r* commands
ifdef([restricted-r],[undefine([restricted-r])])dnl
AH_TEMPLATE([RESTRICTED_R],
[Undefine this if you don't want to get a restricted shell
when zsh is exec'd with basename that starts with r.
By default this is defined.])
AC_ARG_ENABLE(restricted-r,
AC_HELP_STRING([--disable-restricted-r], [turn off r* invocation for restricted shell]),
[if test x$enableval = xyes; then
AC_DEFINE(RESTRICTED_R)
fi],
AC_DEFINE(RESTRICTED_R)
)
dnl Do you want to disable use of locale functions
AH_TEMPLATE([CONFIG_LOCALE],
[Undefine if you don't want local features. By default this is defined.])
AC_ARG_ENABLE([locale],
AC_HELP_STRING([--disable-locale], [turn off locale features]),
[if test x$enableval = xyes; then
AC_DEFINE(CONFIG_LOCALE)
fi],
AC_DEFINE(CONFIG_LOCALE)
)
dnl Do you want to compile as K&R C.
AC_ARG_ENABLE(ansi2knr,
AC_HELP_STRING([--enable-ansi2knr], [translate source to K&R C before compiling]),
[ansi2knr="$enableval"], [ansi2knr=default])
ifdef([fndir],[undefine([fndir])])dnl
AC_ARG_ENABLE(fndir,
AC_HELP_STRING([--enable-fndir=DIR], [the directory in which to install functions]),
dnl ${VERSION} to be determined at compile time.
[if test x$enableval = xyes; then
fndir=${datadir}/${tzsh_name}/'${VERSION}'/functions
else
fndir="$enableval"
fi], [fndir=${datadir}/${tzsh_name}/'${VERSION}'/functions])
ifdef([sitefndir],[undefine([sitefndir])])dnl
AC_ARG_ENABLE(site-fndir,
AC_HELP_STRING([--enable-site-fndir=DIR], [same for site functions (not version specific)]),
[if test x$enableval = xyes; then
sitefndir=${datadir}/${tzsh_name}/site-functions
else
sitefndir="$enableval"
fi], [sitefndir=${datadir}/${tzsh_name}/site-functions])
ifdef([function_subdirs],[undefine([function_subdirs])])
AC_ARG_ENABLE(function-subdirs,
AC_HELP_STRING([--enable-function-subdirs], [install functions in subdirectories]))
if test "x${enable_function_subdirs}" != x &&
test "x${enable_function_subdirs}" != xno; then
FUNCTIONS_SUBDIRS=yes
else
FUNCTIONS_SUBDIRS=no
fi
AC_SUBST(fndir)dnl
AC_SUBST(sitefndir)dnl
AC_SUBST(FUNCTIONS_SUBDIRS)dnl
dnl Directories for scripts such as newuser.
ifdef([scriptdir],[undefine([scriptdir])])dnl
AC_ARG_ENABLE(scriptdir,
AC_HELP_STRING([--enable-scriptdir=DIR], [the directory in which to install scripts]),
dnl ${VERSION} to be determined at compile time.
[if test x$enableval = xyes; then
scriptdir=${datadir}/${tzsh_name}/'${VERSION}'/scripts
else
scriptdir="$enableval"
fi], [scriptdir=${datadir}/${tzsh_name}/'${VERSION}'/scripts])
ifdef([sitescriptdir],[undefine([sitescriptdir])])dnl
AC_ARG_ENABLE(site-scriptdir,
AC_HELP_STRING([--enable-site-scriptdir=DIR], [same for site scripts (not version specific)]),
[if test x$enableval = xyes; then
sitescriptdir=${datadir}/${tzsh_name}/scripts
else
sitescriptdir="$enableval"
fi], [sitescriptdir=${datadir}/${tzsh_name}/scripts])
AC_SUBST(scriptdir)dnl
AC_SUBST(sitescriptdir)dnl
dnl Do you want maildir support?
ifdef([maildir_support],[undefine([maildir_support])])dnl
AH_TEMPLATE([MAILDIR_SUPPORT],
[Define for Maildir support])
AC_ARG_ENABLE(maildir-support,
AC_HELP_STRING([--enable-maildir-support], [enable maildir support in MAIL and MAILPATH]),
[if test x$enableval = xyes; then
AC_DEFINE(MAILDIR_SUPPORT)
fi])
dnl Do you want to set a maximum function depth?
ifdef([max_function_depth],[undefine([max_function_depth])])dnl
AH_TEMPLATE([MAX_FUNCTION_DEPTH],
[Define for function depth limits])
AC_ARG_ENABLE(max-function-depth,
AC_HELP_STRING([--enable-max-function-depth=MAX], [limit function depth to MAX, default 1000]),
[if test x$enableval = xyes; then
AC_DEFINE(MAX_FUNCTION_DEPTH, 1000)
elif test x$enableval != xno; then
AC_DEFINE_UNQUOTED(MAX_FUNCTION_DEPTH, $enableval)
fi],
[AC_DEFINE(MAX_FUNCTION_DEPTH, 1000)]
)
dnl Do you want to look for pcre support?
AC_ARG_ENABLE(pcre,
AC_HELP_STRING([--enable-pcre],
[enable the search for the pcre library (may create run-time library dependencies)]))
dnl Do you want to look for capability support?
AC_ARG_ENABLE(cap,
AC_HELP_STRING([--enable-cap],
[enable the search for POSIX capabilities (may require additional headers to be added by hand)]))
dnl ------------------
dnl CHECK THE COMPILER
dnl ------------------
dnl We want these before the checks, so the checks can modify their values.
test -z "${CFLAGS+set}" && CFLAGS= auto_cflags=1
test -z "${LDFLAGS+set}" && LDFLAGS= auto_ldflags=1
AC_PROG_CC
dnl Check for large file support.
dnl This needs to be done early to get the stuff into the flags.
if test x$lfs != xno; then
dnl Gross hack for ReliantUNIX - GCC does not understand getconf options
dnl For now just disable LFS in this case
dnl Any takers?
if test "$host" = mips-sni-sysv4 && test -n "$GCC"; then
:
else
zsh_LARGE_FILE_SUPPORT
fi
fi
dnl if the user hasn't specified CFLAGS, then
dnl if compiler is gcc, then use -O2 and some warning flags
dnl else use -O
if test -n "$auto_cflags" && test ."$ansi2knr" != .yes; then
if test "${enable_zsh_debug}" = yes; then
if test -n "$GCC"; then
CFLAGS="$CFLAGS -Wall -Wmissing-prototypes -ggdb"
else
CFLAGS="$CFLAGS -g"
fi
else
if test -n "$GCC"; then
CFLAGS="$CFLAGS -Wall -Wmissing-prototypes -O2"
else
CFLAGS="$CFLAGS -O"
fi
fi
fi
if test -n "$auto_ldflags"; then
case "${enable_zsh_debug}$host_os" in
yesaix*|yeshpux*|yesnetbsd*|yesopenbsd*) ;; # "ld -g" is not valid on these systems
darwin*) LDFLAGS=-Wl,-x ;;
yes*) LDFLAGS=-g ;;
*) LDFLAGS=-s ;;
esac
fi
dnl ----------
dnl SCO KLUDGE
dnl ----------
dnl Sco doesn't define any useful compiler symbol,
dnl so we will check for sco and define __sco if
dnl found.
case "$host_os" in
sco*) CFLAGS="-D__sco $CFLAGS" ;;
esac
sed=':1
s/ -s / /g
t1
s/^ *//
s/ *$//'
case " $LDFLAGS " in
*" -s "*) strip_exeldflags=true strip_libldflags=true
LDFLAGS=`echo " $LDFLAGS " | sed "$sed"` ;;
*) strip_exeldflags=false strip_libldflags=false ;;
esac
case " ${EXELDFLAGS+$EXELDFLAGS }" in
" ") ;;
*" -s "*) strip_exeldflags=true
EXELDFLAGS=`echo " $EXELDFLAGS " | sed "$sed"` ;;
*) strip_exeldflags=false ;;
esac
case " ${LIBLDFLAGS+$LIBLDFLAGS }" in
" ") ;;
*" -s "*) strip_libldflags=true
LIBLDFLAGS=`echo " $LIBLDFLAGS " | sed "$sed"` ;;
*) strip_libldflags=false ;;
esac
AC_SUBST(CFLAGS)dnl
AC_SUBST(LDFLAGS)dnl
AC_SUBST(EXELDFLAGS)dnl
AC_SUBST(LIBLDFLAGS)dnl
AC_PROG_CPP dnl Figure out how to run C preprocessor.
AC_PROG_GCC_TRADITIONAL dnl Do we need -traditional flag for gcc.
AC_C_CONST dnl Does compiler support `const'.
dnl Default preprocessing on Mac OS X produces warnings
case "$host_os" in
darwin*) CPP="$CPP -traditional-cpp" ;;
esac
fp_PROG_CC_STDC
AC_MSG_CHECKING([whether to use prototypes])
if test ."$ansi2knr" = .yes || test ."$ansi2knr" = .no; then
msg="(overridden) "
else
msg=
if test ."$fp_cv_prog_cc_stdc" = .no; then
ansi2knr=yes
else
ansi2knr=no
fi
fi
AH_TEMPLATE([PROTOTYPES],
[Define to 1 if ANSI function prototypes are usable.])
if test "$ansi2knr" = yes; then
AC_MSG_RESULT(${msg}no)
U=_
else
AC_MSG_RESULT(${msg}yes)
AC_DEFINE(PROTOTYPES)
U=
fi
AC_SUBST(U)
AC_FUNC_ALLOCA dnl Check how to get `alloca'.
dnl If the compiler supports union initialisation
AC_CACHE_CHECK(if the compiler supports union initialisation,
zsh_cv_c_have_union_init,
[AC_TRY_COMPILE([union{void *p;long l;}u={0};], [u.l=1;],
zsh_cv_c_have_union_init=yes,
zsh_cv_c_have_union_init=no)])
AH_TEMPLATE([HAVE_UNION_INIT],
[Define to 1 if the compiler can initialise a union.])
if test x$zsh_cv_c_have_union_init = xyes; then
AC_DEFINE(HAVE_UNION_INIT)
fi
dnl Checking if compiler correctly cast signed to unsigned.
AC_CACHE_CHECK(if signed to unsigned casting is broken,
zsh_cv_c_broken_signed_to_unsigned_casting,
[AC_TRY_RUN([main(){return((int)(unsigned char)((char) -1) == 255);}],
zsh_cv_c_broken_signed_to_unsigned_casting=yes,
zsh_cv_c_broken_signed_to_unsigned_casting=no,
zsh_cv_c_broken_signed_to_unsigned_casting=no)])
AH_TEMPLATE([BROKEN_SIGNED_TO_UNSIGNED_CASTING],
[Define to 1 if compiler incorrectly cast signed to unsigned.])
if test x$zsh_cv_c_broken_signed_to_unsigned_casting = xyes; then
AC_DEFINE(BROKEN_SIGNED_TO_UNSIGNED_CASTING)
fi
dnl Checking if the compiler supports variable-length arrays
AC_CACHE_CHECK(if the compiler supports variable-length arrays,
zsh_cv_c_variable_length_arrays,
[AC_TRY_COMPILE([int foo(), n;], [int i[foo()], a[n+1];],
zsh_cv_c_variable_length_arrays=yes,
zsh_cv_c_variable_length_arrays=no)])
AH_TEMPLATE([HAVE_VARIABLE_LENGTH_ARRAYS],
[Define to 1 if compiler supports variable-length arrays])
if test x$zsh_cv_c_variable_length_arrays = xyes; then
AC_DEFINE(HAVE_VARIABLE_LENGTH_ARRAYS)
fi
dnl ------------------
dnl CHECK FOR PROGRAMS
dnl ------------------
AC_PROG_MAKE_SET dnl Does make define $MAKE
AC_PROG_INSTALL dnl Check for BSD compatible `install'
AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk.
AC_PROG_LN dnl Check for working ln, for "make install"
AC_PROG_EGREP dnl sets $EGREP to grep -E or egrep
AC_CHECK_PROGS([YODL], [yodl], [: yodl])
AC_CHECK_PROGS([PDFETEX], [pdfetex], [: pdfetex])
AC_CHECK_PROGS([TEXI2PDF], [texi2pdf], [])
AC_CHECK_PROGS([ANSI2KNR], [ansi2knr], [: ansi2knr])
if test x"$ansi2knr" = xyes && test x"$ANSI2KNR" = x": ansi2knr"; then
echo "----------"
echo "configure fatal error:"
echo "ansi2knr was specified (--enable-ansi2knr) but the program could not be found."
echo "Either remove the configure option if it is not required or build the ansi2knr"
echo "program before reconfiguring Zsh. The source code for ansi2knr is also"
echo "available in the GPL directory on Zsh distribution sites."
exit 1
fi
dnl ------------------
dnl CHECK HEADER FILES
dnl ------------------
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_HEADER_TIME
AC_HEADER_STAT
AC_HEADER_SYS_WAIT
oldcflags="$CFLAGS"
if test x$enable_pcre = xyes; then
AC_CHECK_PROG([PCRECONF], pcre-config, pcre-config)
dnl Typically (meaning on this single RedHat 9 box in front of me)
dnl pcre-config --cflags produces a -I output which needs to go into
dnl CPPFLAGS else configure's preprocessor tests don't pick it up,
dnl producing a warning.
if test "x$ac_cv_prog_PCRECONF" = xpcre-config; then
CPPFLAGS="$CPPFLAGS `pcre-config --cflags`"
fi
fi
AC_CHECK_HEADERS(sys/time.h sys/times.h sys/select.h termcap.h termio.h \
termios.h sys/param.h sys/filio.h string.h memory.h \
limits.h fcntl.h libc.h sys/utsname.h sys/resource.h \
locale.h errno.h stdio.h stdarg.h varargs.h stdlib.h \
unistd.h sys/capability.h \
utmp.h utmpx.h sys/types.h pwd.h grp.h poll.h sys/mman.h \
netinet/in_systm.h pcre.h langinfo.h wchar.h stddef.h \
sys/stropts.h iconv.h ncurses.h ncursesw/ncurses.h \
ncurses/ncurses.h)
if test x$dynamic = xyes; then
AC_CHECK_HEADERS(dlfcn.h)
AC_CHECK_HEADERS(dl.h)
fi
dnl Some SCO systems cannot include both sys/time.h and sys/select.h
AH_TEMPLATE([TIME_H_SELECT_H_CONFLICTS],
[Define if sys/time.h and sys/select.h cannot be both included.])
if test x$ac_cv_header_sys_time_h = xyes && test x$ac_cv_header_sys_select_h = xyes; then
AC_CACHE_CHECK(for conflicts in sys/time.h and sys/select.h,
zsh_cv_header_time_h_select_h_conflicts,
[AC_TRY_COMPILE([#include <sys/time.h>
#include <sys/select.h>], [int i;],
zsh_cv_header_time_h_select_h_conflicts=no,
zsh_cv_header_time_h_select_h_conflicts=yes)])
if test x$zsh_cv_header_time_h_select_h_conflicts = xyes; then
AC_DEFINE(TIME_H_SELECT_H_CONFLICTS)
fi
fi
AH_TEMPLATE([GWINSZ_IN_SYS_IOCTL],
[Define if TIOCGWINSZ is defined in sys/ioctl.h but not in termios.h.])
if test x$ac_cv_header_termios_h = xyes; then
AC_CACHE_CHECK(TIOCGWINSZ in termios.h,
zsh_cv_header_termios_h_tiocgwinsz,
[AC_TRY_LINK([
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#include <termios.h>],
[int x = TIOCGWINSZ;],
zsh_cv_header_termios_h_tiocgwinsz=yes,
zsh_cv_header_termios_h_tiocgwinsz=no)])
else
zsh_cv_header_termios_h_tiocgwinsz=no
fi
if test x$zsh_cv_header_termios_h_tiocgwinsz = xno; then
AC_CACHE_CHECK(TIOCGWINSZ in sys/ioctl.h,
zsh_cv_header_sys_ioctl_h_tiocgwinsz,
[AC_TRY_LINK([
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#include <sys/ioctl.h>],
[int x = TIOCGWINSZ;],
zsh_cv_header_sys_ioctl_h_tiocgwinsz=yes,
zsh_cv_header_sys_ioctl_h_tiocgwinsz=no)])
if test x$zsh_cv_header_sys_ioctl_h_tiocgwinsz = xyes; then
AC_DEFINE(GWINSZ_IN_SYS_IOCTL)
fi
fi
AH_TEMPLATE([WINSIZE_IN_PTEM],
[Define if your should include sys/stream.h and sys/ptem.h.])
AC_CACHE_CHECK(for streams headers including struct winsize,
ac_cv_winsize_in_ptem,
[AC_TRY_COMPILE([#include <sys/stream.h>
#include <sys/ptem.h>],
[struct winsize wsz],
ac_cv_winsize_in_ptem=yes,
ac_cv_winsize_in_ptem=no)])
if test x$ac_cv_winsize_in_ptem = xyes; then
AC_DEFINE(WINSIZE_IN_PTEM)
fi
dnl -------------------
dnl CHECK FOR LIBRARIES
dnl -------------------
dnl On some systems, modules need to be linked against libc explicitly,
dnl in case they require objects that exist only in the static version
dnl and might not be compiled into the zsh executable.
dnl On ReliantUNIX -lc better be the last library, else funny things
dnl may happen.
AC_CHECK_LIB(c, printf, [LIBS="$LIBS -lc"])
AC_CHECK_LIB(m, pow)
dnl Various features of ncurses depend on having the right header
dnl (the system's own curses.h may well not be good enough).
dnl So don't search for ncurses unless we found the header.
if test x$ac_cv_header_ncurses_h = xyes || test x$ac_cv_header_ncurses_ncurses_h = xyes || test x$ac_cv_header_ncursesw_ncurses_h = xyes; then
ncursesw_test=ncursesw
ncurses_test=ncurses
else
ncursesw_test=
ncurses_test=
fi
dnl Prefer BSD termcap library to SysV curses library, except on certain
dnl SYSV-derived systems. However, if we find terminfo and termcap
dnl stuff in the same library we will use that; typically this
dnl is ncurses or curses.
dnl On HPUX, Hcurses is reported to work better than curses.
dnl Prefer ncurses to curses on all systems. tinfo isn't very common now.
AC_ARG_WITH(term-lib,
AC_HELP_STRING([--with-term-lib=LIBS], [search space-separated LIBS for terminal handling]),
[if test x$withval != xno && test x$withval != x ; then
termcap_curses_order="$withval"
AC_SEARCH_LIBS(tigetstr, [$termcap_curses_order])
else
termcap_curses_order="$ncursesw_test tinfo termcap $ncurses_test curses"
fi],
[case "$host_os" in
hpux10.*|hpux11.*|solaris*)
termcap_curses_order="Hcurses $ncursesw_test $ncurses_test curses termcap" ;;
*)
termcap_curses_order="$ncursesw_test tinfo termcap $ncurses_test curses" ;;
esac])dnl
AH_TEMPLATE([HAVE_BOOLCODES],
[Define if you have the termcap boolcodes symbol.])
AH_TEMPLATE([HAVE_NUMCODES],
[Define if you have the termcap numcodes symbol.])
AH_TEMPLATE([HAVE_STRCODES],
[Define if you have the termcap strcodes symbol.])
AH_TEMPLATE([HAVE_BOOLNAMES],
[Define if you have the terminfo boolnames symbol.])
AH_TEMPLATE([HAVE_NUMNAMES],
[Define if you have the terminfo numnames symbol.])
AH_TEMPLATE([HAVE_STRNAMES],
[Define if you have the terminfo strnames symbol.])
AH_TEMPLATE([TERM_H_NEEDS_CURSES_H],
[Define if term.h chokes without curses.h.])
dnl Check for tigetflag (terminfo) before tgetent (termcap).
dnl That's so that on systems where termcap and [n]curses are
dnl both available and both contain termcap functions, while
dnl only [n]curses contains terminfo functions, we only link against
dnl [n]curses.
AC_SEARCH_LIBS(tigetflag, [$termcap_curses_order])
AC_SEARCH_LIBS(tgetent, [$termcap_curses_order],
true,
AC_MSG_FAILURE(["No terminal handling library was found on your system.
This is probably a library called 'curses' or 'ncurses'. You may
need to install a package called 'curses-devel' or 'ncurses-devel' on your
system."], 255))
AC_CHECK_HEADERS(curses.h, [],
[AC_CACHE_CHECK(for Solaris 8 curses.h mistake, ac_cv_header_curses_solaris,
AC_TRY_COMPILE([#include <curses.h>], [],
[ac_cv_header_curses_h=yes
ac_cv_header_curses_solaris=yes],
ac_cv_header_curses_h=no
ac_cv_header_curses_solaris=no))
if test x$ac_cv_header_curses_solaris = xyes; then
AC_DEFINE(HAVE_CURSES_H)
fi])
AC_CHECK_HEADERS(term.h,
[AC_MSG_CHECKING(if term.h needs curses.h)
AC_TRY_COMPILE([#include <term.h>], [char **test = boolcodes;], boolcodes_with_only_term_h=yes,
boolcodes_with_only_term_h=no)
AC_TRY_COMPILE([#include <curses.h>
#include <term.h>], [char **test = boolcodes;], boolcodes_with_curses_h_and_term_h=yes,
boolcodes_with_curses_h_and_term_h=no)
if test "x$boolcodes_with_curses_h_and_term_h" = xyes && test "x$boolcodes_with_only_term_h" = xno;
then
AC_DEFINE(TERM_H_NEEDS_CURSES_H)
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
AC_MSG_CHECKING(if boolcodes is available)
AC_TRY_LINK([#ifdef TERM_H_NEEDS_CURSES_H
#include <curses.h>
#endif
#include <term.h>], [char **test = boolcodes; printf(*test);],
AC_DEFINE(HAVE_BOOLCODES) boolcodes=yes, boolcodes=no)
AC_MSG_RESULT($boolcodes)
AC_MSG_CHECKING(if numcodes is available)
AC_TRY_LINK([#ifdef TERM_H_NEEDS_CURSES_H
#include <curses.h>
#endif
#include <term.h>], [char **test = numcodes; printf(*test);],
AC_DEFINE(HAVE_NUMCODES) numcodes=yes, numcodes=no)
AC_MSG_RESULT($numcodes)
AC_MSG_CHECKING(if strcodes is available)
AC_TRY_LINK([#ifdef TERM_H_NEEDS_CURSES_H
#include <curses.h>
#endif
#include <term.h>], [char **test = strcodes; printf(*test);],
AC_DEFINE(HAVE_STRCODES) strcodes=yes, strcodes=no)
AC_MSG_RESULT($strcodes)
AC_MSG_CHECKING(if boolnames is available)
AC_TRY_LINK([#include <curses.h>
#include <term.h>], [char **test = boolnames; printf(*test);],
AC_DEFINE(HAVE_BOOLNAMES) boolnames=yes, boolnames=no)
AC_MSG_RESULT($boolnames)
AC_MSG_CHECKING(if numnames is available)
AC_TRY_LINK([#include <curses.h>
#include <term.h>], [char **test = numnames; printf(*test);],
AC_DEFINE(HAVE_NUMNAMES) numnames=yes, numnames=no)
AC_MSG_RESULT($numnames)
AC_MSG_CHECKING(if strnames is available)
AC_TRY_LINK([#include <curses.h>
#include <term.h>], [char **test = strnames; printf(*test);],
AC_DEFINE(HAVE_STRNAMES) strnames=yes, strnames=no)
AC_MSG_RESULT($strnames)
])
dnl If our terminal library is not ncurses, don't try including
dnl any ncurses headers.
AH_TEMPLATE([ZSH_IGNORE_NCURSES],
[Define to 1 to ignore any ncurses library headers found on the system.])
case $LIBS in
*-lncurses*) ;;
*)
AC_DEFINE(ZSH_IGNORE_NCURSES) ;;
esac
AC_SEARCH_LIBS(getpwnam, nsl)
dnl I am told that told that unicos reqire these for nis_list
if test `echo $host_os | sed 's/^\(unicos\).*/\1/'` = unicos; then
LIBS="-lcraylm -lkrb -lnisdb -lnsl -lrpcsvc $LIBS"
fi
if test "x$dynamic" = xyes; then
AC_CHECK_LIB(dl, dlopen)
fi
if test x$enable_cap = xyes; then
AC_CHECK_LIB(cap, cap_get_proc)
fi
AC_CHECK_LIB(socket, socket)
dnl ---------------
dnl CHECK FOR ICONV
dnl ---------------
dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
if test "x$ac_cv_header_iconv_h" = "xyes"; then
AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
if test "x$ac_found_iconv" = "xno"; then
AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
if test "x$ac_found_iconv" = "xno"; then
AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
fi
if test "x$ac_found_iconv" != "xno"; then
LIBS="-liconv $LIBS"
fi
else
dnl Handle case where there is a native iconv but iconv.h is from libiconv
AC_CHECK_DECL(_libiconv_version,
[ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
[ #include <iconv.h> ])
fi
fi
if test "x$ac_found_iconv" = xyes; then
AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
fi
dnl Check if iconv uses const in prototype declaration
if test "x$ac_found_iconv" = "xyes"; then
AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
#include <iconv.h>]],
[[#ifdef __cplusplus
"C"
#endif
#if defined(__STDC__) || defined(__cplusplus)
size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
#else
size_t iconv();
#endif]])],
[ac_cv_iconv_const=],
[ac_cv_iconv_const=const])])
AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
[Define as const if the declaration of iconv() needs const.])
fi
if test x$enable_pcre = xyes; then
dnl pcre-config should probably be employed here
dnl AC_SEARCH_LIBS(pcre_compile, pcre)
LIBS="`pcre-config --libs` $LIBS"
fi
dnl ---------------------
dnl CHECK TERMCAP LIBRARY
dnl ---------------------
dnl Checks for external variable ospeed in the termcap library.
AC_CACHE_CHECK(if an include file defines ospeed,
zsh_cv_decl_ospeed_include_defines,
[AC_TRY_LINK(
[#include <sys/types.h>
#if HAVE_TERMIOS_H
#include <termios.h>
#endif
#if HAVE_TERMCAP_H
#include <termcap.h>
#endif], [ospeed = 0;],
zsh_cv_decl_ospeed_include_defines=yes,
zsh_cv_decl_ospeed_include_defines=no)])
if test x$zsh_cv_decl_ospeed_include_defines = xno; then
AC_CACHE_CHECK(if you must define ospeed,
zsh_cv_decl_ospeed_must_define,
[AC_TRY_LINK( ,[extern short ospeed; ospeed = 0;],
zsh_cv_decl_ospeed_must_define=yes,
zsh_cv_decl_ospeed_must_define=no)])
fi
AH_TEMPLATE([HAVE_OSPEED],
[Define to 1 if your termcap library has the ospeed variable])
AH_TEMPLATE([MUST_DEFINE_OSPEED],
[Define to 1 if you have ospeed, but it is not defined in termcap.h])
if test x$zsh_cv_decl_ospeed_include_defines = xyes; then
AC_DEFINE(HAVE_OSPEED)
elif test x$zsh_cv_decl_ospeed_must_define = xyes; then
AC_DEFINE(HAVE_OSPEED)
AC_DEFINE(MUST_DEFINE_OSPEED)
fi
dnl --------------
dnl CHECK TYPEDEFS
dnl --------------
AC_TYPE_SIGNAL
AC_TYPE_PID_T
AC_TYPE_OFF_T
AC_CHECK_TYPE(ino_t, unsigned long)
AC_TYPE_MODE_T
AC_TYPE_UID_T
AC_TYPE_SIZE_T
dnl ------------------------------------------------
dnl Check size of long and try to find a 64-bit type
dnl ------------------------------------------------
dnl AC_CHECK_SIZEOF is no good, because we need the result here,
dnl and that doesn't seem to define a shell parameter.
AC_CACHE_CHECK(if long is 64 bits, zsh_cv_long_is_64_bit,
[AC_TRY_RUN([int main() { return sizeof(long) < 8; }],
zsh_cv_long_is_64_bit=yes,
zsh_cv_long_is_64_bit=no,
zsh_cv_long_is_64_bit=no)])
AH_TEMPLATE([ino_t],
[Define to `unsigned long' if <sys/types.h> doesn't define.])
AH_TEMPLATE([LONG_IS_64_BIT],
[Definitions used when a long is less than eight byte, to try to
provide some support for eight byte operations.
Note that ZSH_64_BIT_TYPE, OFF_T_IS_64_BIT, INO_T_IS_64_BIT do *not* get
defined if long is already 64 bits, since in that case no special handling
is required.
Define to 1 if long is 64 bits])
AH_TEMPLATE([ZSH_64_BIT_TYPE],
[Define to a 64 bit integer type if there is one, but long is shorter.])
AH_TEMPLATE([ZSH_64_BIT_UTYPE],
[Define to an unsigned variant of ZSH_64_BIT_TYPE if that is defined.])
AH_TEMPLATE([OFF_T_IS_64_BIT],
[Define to 1 if off_t is 64 bit (for large file support)])
AH_TEMPLATE([INO_T_IS_64_BIT],
[Define to 1 if ino_t is 64 bit (for large file support).])
if test x$zsh_cv_long_is_64_bit = xyes; then
AC_DEFINE(LONG_IS_64_BIT)
else
AC_CACHE_CHECK(if off_t is 64 bit, zsh_cv_off_t_is_64_bit,
[AC_TRY_RUN([
#include <sys/types.h>
main() { return sizeof(off_t) < 8; }
],
zsh_cv_off_t_is_64_bit=yes,
zsh_cv_off_t_is_64_bit=no,
zsh_cv_off_t_is_64_bit=no)])
if test x$zsh_cv_off_t_is_64_bit = xyes; then
AC_DEFINE(OFF_T_IS_64_BIT)
fi
AC_CACHE_CHECK(if ino_t is 64 bit, zsh_cv_ino_t_is_64_bit,
[AC_TRY_RUN([
#include <sys/types.h>
main() { return sizeof(ino_t) < 8; }
],
zsh_cv_ino_t_is_64_bit=yes,
zsh_cv_ino_t_is_64_bit=no,
zsh_cv_ino_t_is_64_bit=no)])
if test x$zsh_cv_ino_t_is_64_bit = xyes; then
AC_DEFINE(INO_T_IS_64_BIT)
fi
if test x$lfs != xno -o x$zsh_cv_off_t_is_64_bit = xyes \
-o $zsh_cv_ino_t_is_64_bit = yes; then
AC_CACHE_CHECK(if compiler has a 64 bit type, zsh_cv_64_bit_type,
[if test x$lfs != xyes && test x$lfs != xno; then
zsh_64_BIT_TYPE(${lfs}, zsh_cv_64_bit_type, force)
else
zsh_64_BIT_TYPE(long long, zsh_cv_64_bit_type)
if test "$zsh_cv_64_bit_type" = no; then
zsh_64_BIT_TYPE(quad_t, zsh_cv_64_bit_type)
fi
if test "$zsh_cv_64_bit_type" = no; then
zsh_64_BIT_TYPE(__int64_t, zsh_cv_64_bit_type)
fi
dnl As a last resort, if we know off_t has 64 bits, use that as
dnl the 64-bit integer type. I don't dare try ino_t since there's
dnl probably nothing to stop that being unsigned.
if test "$zsh_cv_64_bit_type" = no &&
test "$zsh_cv_off_t_is_64_bit" = yes; then
zsh_64_BIT_TYPE(off_t, zsh_cv_64_bit_type)
fi
fi])
if test "$zsh_cv_64_bit_type" != no; then
AC_DEFINE_UNQUOTED(ZSH_64_BIT_TYPE, $zsh_cv_64_bit_type)
dnl Handle cases where unsigned type cannot be simply
dnl `unsigned ZSH_64_BIT_TYPE'. More tests may be required.
AC_CACHE_CHECK(for a corresponding unsigned 64 bit type,
zsh_cv_64_bit_utype,
[zsh_64_BIT_TYPE(unsigned $zsh_cv_64_bit_type, zsh_cv_64_bit_utype,
force)
if test "$zsh_cv_64_bit_utype" = no; then
zsh_64_BIT_TYPE(__uint64_t, zsh_cv_64_bit_utype)
fi])
if test "$zsh_cv_64_bit_utype" != no; then
AC_DEFINE_UNQUOTED(ZSH_64_BIT_UTYPE, $zsh_cv_64_bit_utype)
fi
fi
fi
fi
dnl Check for sigset_t. Currently I'm looking in
dnl <sys/types.h> and <signal.h>. Others might need
dnl to be added.
AC_CACHE_CHECK(for sigset_t, zsh_cv_type_sigset_t,
[AC_TRY_COMPILE(
[#include <sys/types.h>
#include <signal.h>], [sigset_t tempsigset;],
zsh_cv_type_sigset_t=yes, zsh_cv_type_sigset_t=no)])
AH_TEMPLATE([sigset_t],
[Define to `unsigned int' if <sys/types.h> or <signal.h> doesn't define])
if test x$zsh_cv_type_sigset_t = xno; then
AC_DEFINE(sigset_t, unsigned int)
fi
dnl check structures for high resolution timestamps
AC_CHECK_MEMBERS([struct stat.st_atim.tv_nsec,
struct stat.st_atimespec.tv_nsec,
struct stat.st_atimensec,
struct stat.st_mtim.tv_nsec,
struct stat.st_mtimespec.tv_nsec,
struct stat.st_mtimensec,
struct stat.st_ctim.tv_nsec,
struct stat.st_ctimespec.tv_nsec,
struct stat.st_ctimensec])
dnl Check for struct timezone since some old SCO versions do not define it
zsh_TYPE_EXISTS([
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
], struct timezone)
dnl Check for utmp structures, for watch
zsh_TYPE_EXISTS([
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_UTMP_H
# include <utmp.h>
#endif
], struct utmp)
zsh_TYPE_EXISTS([
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_UTMPX_H
# include <utmpx.h>
#endif
], struct utmpx)
dnl Check contents of utmp structures
zsh_STRUCT_MEMBER([
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_UTMP_H
# include <utmp.h>
#endif
], struct utmp, ut_host)
zsh_STRUCT_MEMBER([
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_UTMPX_H
# include <utmpx.h>
#endif
], struct utmpx, ut_host)
zsh_STRUCT_MEMBER([
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_UTMPX_H
# include <utmpx.h>
#endif
], struct utmpx, ut_xtime)
zsh_STRUCT_MEMBER([
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_UTMPX_H
# include <utmpx.h>
#endif
], struct utmpx, ut_tv)
dnl Check for inode numbers in directory entry structures
zsh_STRUCT_MEMBER([
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_DIRENT_H
# include <dirent.h>
#endif
], struct dirent, d_ino)
zsh_STRUCT_MEMBER([
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_DIRENT_H
# include <dirent.h>
#endif
], struct dirent, d_stat)
zsh_STRUCT_MEMBER([
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SYS_NDIR_H
# include <sys/ndir.h>
#endif
#ifdef HAVE_SYS_DIR_H
# include <sys/dir.h>
#endif
#ifdef HAVE_NDIR_H
# include <ndir.h>
#endif
], struct direct, d_ino)
zsh_STRUCT_MEMBER([
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SYS_NDIR_H
# include <sys/ndir.h>
#endif
#ifdef HAVE_SYS_DIR_H
# include <sys/dir.h>
#endif
#ifdef HAVE_NDIR_H
# include <ndir.h>
#endif
], struct direct, d_stat)
dnl Check IPv6 socket address structure type
zsh_STRUCT_MEMBER([
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#include <netinet/in.h>
], struct sockaddr_in6, sin6_scope_id)
dnl Check for h_errno external variable
AH_TEMPLATE([USE_LOCAL_H_ERRNO],
[Define to 1 if h_errno is not defined by the system.])
AC_CACHE_CHECK(if we need our own h_errno,
zsh_cv_decl_h_errno_use_local,
[AC_TRY_LINK( ,[extern int h_errno; h_errno = 0;],
zsh_cv_decl_h_errno_use_local=no,
zsh_cv_decl_h_errno_use_local=yes)])
if test x$zsh_cv_decl_h_errno_use_local = xyes; then
AC_DEFINE(USE_LOCAL_H_ERRNO)
fi
dnl ---------------
dnl CHECK FUNCTIONS
dnl ---------------
dnl need to integrate this function
dnl AC_FUNC_STRFTIME
AC_CHECK_FUNCS(strftime strptime mktime timelocal \
difftime gettimeofday \
select poll \
readlink faccessx fchdir ftruncate \
fstat lstat lchown fchown fchmod \
fseeko ftello \
mkfifo _mktemp mkstemp \
waitpid wait3 \
sigaction sigblock sighold sigrelse sigsetmask sigprocmask \
killpg setpgid setpgrp tcsetpgrp tcgetattr nice \
gethostname gethostbyname2 getipnodebyname \
inet_aton inet_pton inet_ntop \
getlogin getpwent getpwnam getpwuid getgrgid getgrnam \
initgroups nis_list \
setuid seteuid setreuid setresuid setsid \
memcpy memmove strstr strerror \
getrlimit getrusage \
setlocale \
uname \
signgam \
putenv getenv setenv unsetenv xw\
brk sbrk \
pathconf sysconf \
tgetent tigetflag tigetnum tigetstr setupterm initscr \
getcchar setcchar waddwstr wget_wch win_wch use_default_colors \
pcre_compile pcre_study pcre_exec \
nl_langinfo \
erand48 open_memstream \
wctomb iconv \
grantpt unlockpt ptsname \
htons ntohs \
regcomp regexec regerror regfree)
AC_FUNC_STRCOLL
if test x$enable_cap = xyes; then
AC_CHECK_FUNCS(cap_get_proc)
fi
dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
dnl Some termcaps reportedly accept a zero buffer, but then dump core
dnl in tgetstr().
dnl Under Cygwin test program crashes but exit code is still 0. So,
dnl we test for a file that porgram should create
AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
[Define to 1 if tgetent() accepts NULL as a buffer.])
AC_CACHE_CHECK(if tgetent accepts NULL,
zsh_cv_func_tgetent_accepts_null,
[AC_TRY_RUN([
main()
{
char buf[4096];
int r1 = tgetent(buf, "vt100");
int r2 = tgetent((char*)0,"vt100");
if (r1 >= 0 && r1 == r2) {
char tbuf[1024], *u;
u = tbuf;
tgetstr("cl", &u);
creat("conftest.tgetent", 0640);
}
exit((r1 != r2) || r2 == -1);
}
],
if test -f conftest.tgetent; then
zsh_cv_func_tgetent_accepts_null=yes
else
zsh_cv_func_tgetent_accepts_null=no
fi,
zsh_cv_func_tgetent_accepts_null=no,
zsh_cv_func_tgetent_accepts_null=no)])
if test x$zsh_cv_func_tgetent_accepts_null = xyes; then
AC_DEFINE(TGETENT_ACCEPTS_NULL)
fi
AC_CACHE_CHECK(if tgetent returns 0 on success,
zsh_cv_func_tgetent_zero_success,
[AC_TRY_RUN([
main()
{
char buf[4096];
int r1 = tgetent(buf, "!@#$%^&*");
int r2 = tgetent(buf, "vt100");
if (r1 < 0 && r2 == 0) {
char tbuf[1024], *u;
u = tbuf;
tgetstr("cl", &u);
creat("conftest.tgetent0", 0640);
}
exit(r1 == r2);
}
],
if test -f conftest.tgetent0; then
zsh_cv_func_tgetent_zero_success=yes
else
zsh_cv_func_tgetent_zero_success=no
fi,
zsh_cv_func_tgetent_zero_success=no,
zsh_cv_func_tgetent_zero_success=no)])
AH_TEMPLATE([TGETENT_SUCCESS],
[Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
if test x$zsh_cv_func_tgetent_zero_success = xyes; then
AC_DEFINE(TGETENT_SUCCESS, 0)
else
AC_DEFINE(TGETENT_SUCCESS, 1)
fi
AC_FUNC_MMAP
if test x$ac_cv_func_mmap_fixed_mapped = xyes; then
AC_CHECK_FUNCS(munmap msync)
fi
if test x$ac_cv_func_setpgrp = xyes; then
AC_FUNC_GETPGRP
else
dnl If there is no setpgrp, the test for getpgrp(void) will fail
dnl because the program will not compile. However, in that case
dnl we can be reasonably confident we are not dealing with a
dnl Berkeleyesque system, so assume getpgrp does take void.
ac_cv_func_getpgrp_void=yes
AC_DEFINE(GETPGRP_VOID)
fi
if test x$dynamic = xyes; then
AC_CHECK_FUNCS(dlopen dlerror dlsym dlclose load loadquery loadbind unload \
shl_load shl_unload shl_findsym)
fi
dnl -------------
dnl CHECK SIGNALS
dnl -------------
dnl What style of signal do you have (POSIX, BSD, or SYSV)?
AH_TEMPLATE([POSIX_SIGNALS],
[Define to 1 if you use POSIX style signal handling.])
AH_TEMPLATE([BSD_SIGNALS],
[Define to 1 if you use BSD style signal handling (and can block signals).])
AH_TEMPLATE([SYSV_SIGNALS],
[Define to 1 if you use SYS style signal handling (and can block signals).])
AH_TEMPLATE([NO_SIGNAL_BLOCKING],
[Define to 1 if you have no signal blocking at all (bummer).])
AC_MSG_CHECKING(what style of signals to use)
if test x$ac_cv_func_sigaction = xyes && test x$ac_cv_func_sigprocmask = xyes; then
signals_style=POSIX_SIGNALS
AC_DEFINE(POSIX_SIGNALS)
elif test x$ac_cv_func_sigblock = xyes && test x$ac_cv_func_sigsetmask = xyes; then
signals_style=BSD_SIGNALS
AC_DEFINE(BSD_SIGNALS)
elif test x$ac_cv_func_sighold = xyes && test x$ac_cv_func_sigrelse = xyes; then
signals_style=SYSV_SIGNALS
AC_DEFINE(SYSV_SIGNALS)
else
signals_style=NO_SIGNAL_BLOCKING
AC_DEFINE(NO_SIGNAL_BLOCKING)
fi
AC_DEFINE_UNQUOTED($signals_style)
AC_MSG_RESULT($signals_style)
dnl Where is <signal.h> located? Needed as input for signals.awk
AC_CACHE_CHECK(where signal.h is located, zsh_cv_path_signal_h,
[dnl Look at the output from the preprocessor.
dnl We should get lines of the form `# 1 "/usr/include/signal.h"'
dnl The following assumes the real definitions are in a file which
dnl contains the name `sig'; we could relax this if necessary,
dnl but then you can get a rather long list of files to test.
dnl The backslash substitution is to persuade cygwin to cough up
dnl slashes rather than doubled backslashes in the path.
echo "#include <signal.h>" > nametmp.c
sigfile_list="`$CPP nametmp.c |
sed -n -e 's/^#line[ ].*\"\(.*\)\"/\1/p' \
-e 's/^#[ ].*\"\(.*\)\"/\1/p' |
sed 's/\\\\\\\\/\//g' |
$AWK '{ if ($1 ~ /sig/) files[[$1]] = $1 }
END { for (var in files) print var }'`"
rm -f nametmp.c
if test -z "$sigfile_list"; then
dnl In case we don't get the stuff from the preprocesor, use the old
dnl list of standard places.
sigfile_list="/usr/include/sys/iso/signal_iso.h
/usr/include/bsd/sys/signal.h
/usr/include/signum.h
/usr/include/asm/signum.h
/usr/include/asm/signal.h
/usr/include/linux/signal.h
/usr/include/sys/signal.h
/usr/include/bits/signum.h
/dev/null"
fi
for SIGNAL_H in $sigfile_list
do
dnl Try to make sure it doesn't get confused by files that don't
dnl have real signal definitions in, but do #define SIG* by counting
dnl the number of signals. Maybe we could even check for e.g. SIGHUP?
nsigs=`test -f $SIGNAL_H && \
grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H | \
wc -l | sed 's/[ ]//g'`
test "x$nsigs" != x && test "$nsigs" -ge 7 && break
done
if test x$SIGNAL_H = x"/dev/null"; then
AC_MSG_ERROR(SIGNAL MACROS NOT FOUND: please report to developers)
fi
zsh_cv_path_signal_h=$SIGNAL_H
])
SIGNAL_H=$zsh_cv_path_signal_h
AC_SUBST(SIGNAL_H)dnl
dnl Where are error names located? Needed as input for errnames1.awk
AC_CACHE_CHECK(where error names are located, zsh_cv_path_errno_h,
[dnl Look at the output from the preprocessor.
dnl We should get lines of the form `# 1 "/usr/include/errno.h"'
dnl The following assumes the real definitions are in a file which
dnl contains the name `err'; we could relax this if necessary,
dnl but then you can get a rather long list of files to test.
dnl The backslash substitution is to persuade cygwin to cough up
dnl slashes rather than doubled backslashes in the path.
echo "#include <errno.h>" > nametmp.c
errfile_list="`$CPP nametmp.c |
sed -n -e 's/^#line[ ].*\"\(.*\)\"/\1/p' \
-e 's/^#[ 0-9].*\"\(.*\)\"/\1/p' |
sed 's/\\\\\\\\/\//g' |
$AWK '{ if ($1 ~ /err/) files[[$1]] = $1 }
END { for (var in files) print var }'`"
rm -f nametmp.c
for ERRNO_TRY_H in $errfile_list /dev/null
do
dnl Try to make sure it doesn't get confused by files that don't
dnl have real error definitions in. Count definitions to make sure.
dnl Definitions of error numbers have become more and more general, so
dnl make a list of files containing any definitions in and keep them all.
dnl Careful with cut and paste in the pattern: the square brackets
dnl must contain a space and a tab.
nerrs=`test -f $ERRNO_TRY_H && \
$EGREP '#[ ]*define[ ][ ]*E[0-9A-Z]*[ ]*(_HURD_ERRNO )?\(?[_A-Z0-9]' $ERRNO_TRY_H | \
wc -l | sed 's/[ ]//g'`
if test "x$nerrs" != x && test "$nerrs" -ge 1
then
ERRNO_H="$ERRNO_H $ERRNO_TRY_H"
fi
done
if test x"$ERRNO_H" = x; then
AC_MSG_ERROR(ERROR MACROS NOT FOUND: please report to developers)
fi
zsh_cv_path_errno_h="$ERRNO_H"
])
ERRNO_H="$zsh_cv_path_errno_h"
AC_SUBST(ERRNO_H)dnl
dnl Where are curses key definitions located? Need for keypad() mode.
AC_CACHE_CHECK(where curses key definitions are located, zsh_cv_path_curses_keys_h,
[dnl This is an identical trick to errno.h, except we use ncurses.h
dnl if we can.
if test x$ac_cv_header_ncurses_h = xyes; then
echo "#include <ncurses.h>" >nametmp.c
elif test x$ac_cv_header_ncurses_ncurses_h = xyes; then
echo "#include <ncurses/ncurses.h>" >nametmp.c
elif test x$ac_cv_header_ncursesw_ncurses_h = xyes; then
echo "#include <ncursesw/ncurses.h>" >nametmp.c
elif test x$ac_cv_header_curses_h = xyes; then
echo "#include <curses.h>" >nametmp.c
else
echo >nametmp.c
fi
curses_list="`$CPP nametmp.c |
sed -n -e 's/^#line[ ].*\"\(.*\)\"/\1/p' \
-e 's/^#[ 0-9].*\"\(.*\)\"/\1/p' |
sed 's/\\\\\\\\/\//g' |
$AWK '{ if ($1 ~ /\.h/) files[[$1]] = $1 }
END { for (var in files) print var }'`"
rm -f nametmp.c
for CURSES_TRY_H in $curses_list /dev/null
do
nkeys=`test -f $CURSES_TRY_H && \
$EGREP '#[ ]*define[ ][ ]*KEY_' $CURSES_TRY_H | \
wc -l | sed 's/[ ]//g'`
if test "x$nkeys" != x && test "$nkeys" -ge 10
then
CURSES_KEYS_H=$CURSES_TRY_H
break
fi
done
zsh_cv_path_curses_keys_h="$CURSES_KEYS_H"
])
CURSES_KEYS_H="$zsh_cv_path_curses_keys_h"
AC_SUBST(CURSES_KEYS_H)dnl
dnl -----------------------------------------------------
dnl Look for the file containing the RLIMIT_* definitions
dnl -----------------------------------------------------
dnl CALL FOR MORE (FEWER?) LOCATIONS: I've just copied the signal checking.
AC_CACHE_CHECK(where the RLIMIT macros are located,zsh_cv_path_rlimit_h,
[dnl Look at the output from the preprocessor.
dnl Copied from the search for the signal names above.
echo "#include <sys/resource.h>" >restmp.c
resourcefile_list="`$CPP restmp.c |
sed -n -e 's/^#line[ ].*\"\(.*\)\"/\1/p' \
-e 's/^#[ ].*\"\(.*\)\"/\1/p' |
sed 's/\\\\\\\\/\//g' |
$AWK '{ if ($1 ~ /resource/) files[[$1]] = $1 }
END { for (var in files) print var }'`"
rm -f restmp.c
if test -z "$resourcefile_list"; then
dnl No list: look at standard places.
resourcefile_list="/usr/include/bsd/sys/resource.h
/usr/include/asm/resource.h
/usr/include/linux/resource.h
/usr/include/sys/resource.h
/usr/include/bits/resource.h
/usr/include/resourcebits.h"
fi
for RESOURCE_H in $resourcefile_list /dev/null;
do
test -f $RESOURCE_H && \
grep '#[ ]*define[ ][ ]*RLIMIT_[A-Z]*[ ]*[0-9A-Z][0-9]*' $RESOURCE_H > /dev/null && \
break
done
zsh_cv_path_rlimit_h=$RESOURCE_H
if test x$RESOURCE_H = x"/dev/null" && test x$ac_cv_func_getrlimit = xyes; then
AC_MSG_WARN(RLIMIT MACROS NOT FOUND: please report to developers)
fi])
RLIMITS_INC_H=$zsh_cv_path_rlimit_h
if test "$RLIMITS_INC_H" = "/dev/null"; then
RLIMITS_INC_H=''
fi
dnl rlimits.h only appears in dependencies if we are actually using it.
dnl We are using it any time we have getrlimit, though if the macros were
dnl not found we simply awk through /dev/null and fail to find them.
dnl Thus, limit won't work, but at least the shell will compile.
AC_SUBST(RLIMITS_INC_H)dnl
dnl ------------------
dnl rlimit type checks
dnl ------------------
AH_TEMPLATE([RLIM_T_IS_QUAD_T],
[Define to 1 if struct rlimit uses quad_t.])
AH_TEMPLATE([RLIM_T_IS_LONG_LONG],
[Define to 1 if struct rlimit uses long long])
AH_TEMPLATE([RLIM_T_IS_UNSIGNED],
[Define to 1 if struct rlimit uses unsigned.])
AH_TEMPLATE([rlim_t],
[Define to the type used in struct rlimit.])
DEFAULT_RLIM_T=long
AC_CACHE_CHECK(if rlim_t is longer than a long,
zsh_cv_rlim_t_is_longer,
[AC_TRY_RUN([
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <sys/resource.h>
main(){struct rlimit r;exit(sizeof(r.rlim_cur) <= sizeof(long));}],
zsh_cv_rlim_t_is_longer=yes,
zsh_cv_rlim_t_is_longer=no,
zsh_cv_rlim_t_is_longer=yes)])
if test x$zsh_cv_rlim_t_is_longer = xyes; then
AC_CACHE_CHECK(if rlim_t is a quad,
zsh_cv_rlim_t_is_quad_t,
[AC_TRY_RUN([
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <stdio.h>
#include <sys/resource.h>
main() {
struct rlimit r;
char buf[20];
r.rlim_cur = 0;
sprintf(buf, "%qd", r.rlim_cur);
exit(strcmp(buf, "0"));
}],
zsh_cv_rlim_t_is_quad_t=yes,
zsh_cv_rlim_t_is_quad_t=no,
zsh_cv_rlim_t_is_quad_t=no)])
if test x$zsh_cv_rlim_t_is_quad_t = xyes; then
AC_DEFINE(RLIM_T_IS_QUAD_T)
DEFAULT_RLIM_T=quad_t
else
AC_DEFINE(RLIM_T_IS_LONG_LONG)
DEFAULT_RLIM_T='long long'
fi
else
AC_CACHE_CHECK(if the rlim_t is unsigned,
zsh_cv_type_rlim_t_is_unsigned,
[AC_TRY_RUN([
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <sys/resource.h>
main(){struct rlimit r;r.rlim_cur=-1;exit(r.rlim_cur<0);}],
zsh_cv_type_rlim_t_is_unsigned=yes,
zsh_cv_type_rlim_t_is_unsigned=no,
zsh_cv_type_rlim_t_is_unsigned=no)])
if test x$zsh_cv_type_rlim_t_is_unsigned = xyes; then
AC_DEFINE(RLIM_T_IS_UNSIGNED)
DEFAULT_RLIM_T="unsigned $DEFAULT_RLIM_T"
fi
fi
AC_CACHE_CHECK(for rlim_t, zsh_cv_type_rlim_t,
[AC_TRY_COMPILE([
#include <sys/types.h>
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <sys/resource.h>],
[rlim_t l;],
zsh_cv_type_rlim_t=yes,
zsh_cv_type_rlim_t=no)])
if test x$zsh_cv_type_rlim_t = xno; then
AC_DEFINE_UNQUOTED(rlim_t, $DEFAULT_RLIM_T)
fi
dnl On some systems the RLIMIT_* don't evaluate to integers at compile time
dnl (they may be enums). In this case we are not able to do preprocessor
dnl comparisons and need our tests to determine what values exist and
dnl if there are clashing definitions.
zsh_LIMIT_PRESENT(RLIMIT_AIO_MEM)
zsh_LIMIT_PRESENT(RLIMIT_AIO_OPS)
zsh_LIMIT_PRESENT(RLIMIT_AS)
zsh_LIMIT_PRESENT(RLIMIT_LOCKS)
zsh_LIMIT_PRESENT(RLIMIT_MEMLOCK)
zsh_LIMIT_PRESENT(RLIMIT_NPROC)
zsh_LIMIT_PRESENT(RLIMIT_NOFILE)
zsh_LIMIT_PRESENT(RLIMIT_PTHREAD)
zsh_LIMIT_PRESENT(RLIMIT_RSS)
zsh_LIMIT_PRESENT(RLIMIT_SBSIZE)
zsh_LIMIT_PRESENT(RLIMIT_TCACHE)
zsh_LIMIT_PRESENT(RLIMIT_VMEM)
zsh_LIMIT_PRESENT(RLIMIT_SIGPENDING)
zsh_LIMIT_PRESENT(RLIMIT_MSGQUEUE)
zsh_LIMIT_PRESENT(RLIMIT_NICE)
zsh_LIMIT_PRESENT(RLIMIT_RTPRIO)
AH_TEMPLATE([RLIMIT_VMEM_IS_RSS],
[Define to 1 if RLIMIT_VMEM and RLIMIT_RSS both exist and are equal.])
AC_CACHE_CHECK(if RLIMIT_VMEM and RLIMIT_RSS are the same,
zsh_cv_rlimit_vmem_is_rss,
[AC_TRY_RUN([
#include <sys/types.h>
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <sys/resource.h>
int main()
{
int ret = 1;
#if defined(HAVE_RLIMIT_VMEM) && defined(HAVE_RLIMIT_RSS)
if (RLIMIT_RSS == RLIMIT_VMEM) ret = 0;
#endif
return ret;
}],
zsh_cv_rlimit_vmem_is_rss=yes,
zsh_cv_rlimit_vmem_is_rss=no,
zsh_cv_rlimit_vmem_is_rss=no)])
if test x$zsh_cv_rlimit_vmem_is_rss = xyes; then
AC_DEFINE(RLIMIT_VMEM_IS_RSS)
fi
AH_TEMPLATE([RLIMIT_VMEM_IS_AS],
[Define to 1 if RLIMIT_VMEM and RLIMIT_AS both exist and are equal.])
AC_CACHE_CHECK(if RLIMIT_VMEM and RLIMIT_AS are the same,
zsh_cv_rlimit_vmem_is_as,
[AC_TRY_RUN([
#include <sys/types.h>
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <sys/resource.h>
int main()
{
int ret = 1;
#if defined(HAVE_RLIMIT_VMEM) && defined(HAVE_RLIMIT_AS)
if (RLIMIT_AS == RLIMIT_VMEM) ret = 0;
#endif
return ret;
}],
zsh_cv_rlimit_vmem_is_as=yes,
zsh_cv_rlimit_vmem_is_as=no,
zsh_cv_rlimit_vmem_is_as=no)])
if test x$zsh_cv_rlimit_vmem_is_as = xyes; then
AC_DEFINE(RLIMIT_VMEM_IS_AS)
fi
AH_TEMPLATE([RLIMIT_RSS_IS_AS],
[Define to 1 if RLIMIT_RSS and RLIMIT_AS both exist and are equal.])
AC_CACHE_CHECK(if RLIMIT_RSS and RLIMIT_AS are the same,
zsh_cv_rlimit_rss_is_as,
[AC_TRY_RUN([
#include <sys/types.h>
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <sys/resource.h>
int main()
{
int ret = 1;
#if defined(HAVE_RLIMIT_RSS) && defined(HAVE_RLIMIT_AS)
if (RLIMIT_AS == RLIMIT_RSS) ret = 0;
#endif
return ret;
}],
zsh_cv_rlimit_rss_is_as=yes,
zsh_cv_rlimit_rss_is_as=no,
zsh_cv_rlimit_rss_is_as=no)])
if test x$zsh_cv_rlimit_rss_is_as = xyes; then
AC_DEFINE(RLIMIT_RSS_IS_AS)
fi
dnl --------------------------------------------
dnl Check for members of struct rusage
dnl --------------------------------------------
if test x$ac_cv_func_getrusage = xyes; then
AC_CHECK_MEMBERS([struct rusage.ru_maxrss,
struct rusage.ru_ixrss,
struct rusage.ru_idrss,
struct rusage.ru_isrss,
struct rusage.ru_minflt,
struct rusage.ru_majflt,
struct rusage.ru_nswap,
struct rusage.ru_inblock,
struct rusage.ru_oublock,
struct rusage.ru_msgsnd,
struct rusage.ru_msgrcv,
struct rusage.ru_nsignals,
struct rusage.ru_nvcsw,
struct rusage.ru_nivcsw],,,
[#include <sys/types.h>
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <sys/resource.h>])
fi
dnl --------------------------------------------
dnl CHECK FOR DEFAULT PATH (used for command -p)
dnl --------------------------------------------
AC_CACHE_VAL(zsh_cv_cs_path,
[if getconf _CS_PATH >/dev/null 2>&1; then
zsh_cv_cs_path=`getconf _CS_PATH`
elif getconf CS_PATH >/dev/null 2>&1; then
zsh_cv_cs_path=`getconf CS_PATH`
else
zsh_cv_cs_path="/bin:/usr/bin"
fi])
AC_DEFINE_UNQUOTED(DEFAULT_PATH, "$zsh_cv_cs_path",
[The default path; used when running commands with command -p])
dnl ----------------------------
dnl CHECK FOR /dev/fd FILESYSTEM
dnl ----------------------------
dnl FreeBSD 5 only supports /dev/fd/0 to /dev/fd/2 without mounting
dnl a special file system. As zsh needs arbitrary /dev/fd (typically
dnl >10) for its own use, we need to make sure higher fd's are available.
dnl Since we're using the shell, we're restricted to 0 to 9 but 3 should
dnl be good enough.
AH_TEMPLATE([PATH_DEV_FD],
[Define to the path of the /dev/fd filesystem.])
AC_CACHE_CHECK(for /dev/fd filesystem, zsh_cv_sys_path_dev_fd,
[for zsh_cv_sys_path_dev_fd in /proc/self/fd /dev/fd no; do
test x`echo ok|(exec 3<&0; cat $zsh_cv_sys_path_dev_fd/3 2>/dev/null;)` = xok && break
done])
if test x$zsh_cv_sys_path_dev_fd != xno; then
AC_DEFINE_UNQUOTED(PATH_DEV_FD, "$zsh_cv_sys_path_dev_fd")
fi
dnl ---------------------------------
dnl CHECK FOR RFS SUPERROOT DIRECTORY
dnl ---------------------------------
AC_CACHE_CHECK(for RFS superroot directory, zsh_cv_sys_superroot,
[test -d /../.LOCALROOT && zsh_cv_sys_superroot=yes || zsh_cv_sys_superroot=no])
AH_TEMPLATE([HAVE_SUPERROOT],
[Define to 1 if you have RFS superroot directory.])
if test x$zsh_cv_sys_superroot = xyes; then
AC_DEFINE(HAVE_SUPERROOT)
fi
dnl CHECK FOR SYSTEMS REQUIRING GETCWD
AC_CACHE_CHECK(whether we should use the native getcwd,
zsh_cv_use_getcwd,
[case "${host_cpu}-${host_vendor}-${host_os}" in
*QNX*) zsh_cv_use_getcwd=yes ;;
*) zsh_cv_use_getcwd=no ;;
esac])
AH_TEMPLATE([USE_GETCWD],
[Define to 1 if you need to use the native getcwd.])
if test x$zsh_cv_use_getcwd = xyes; then
AC_DEFINE(USE_GETCWD)
fi
dnl -------------
dnl CHECK FOR NIS
dnl -------------
AH_TEMPLATE([HAVE_NIS],
[Define to 1 if you have NIS.])
AC_CACHE_CHECK(for NIS, zsh_cv_sys_nis,
[test -f /usr/bin/ypcat && /usr/bin/ypcat passwd.byname > /dev/null 2>&1 && \
zsh_cv_sys_nis=yes || zsh_cv_sys_nis=no])
if test x$zsh_cv_sys_nis = xyes; then
AC_DEFINE(HAVE_NIS)
dnl Some systems (Solaris 2.x, Linux Redhat 5.x) require
dnl libnsl (Network Services Library) to find yp_all
AC_SEARCH_LIBS(yp_all, nsl)
fi
dnl -----------------
dnl CHECK FOR NISPLUS
dnl -----------------
AH_TEMPLATE([HAVE_NIS_PLUS],
[Define to 1 if you have NISPLUS.])
AC_CACHE_CHECK(for NIS+, zsh_cv_sys_nis_plus,
[test x$ac_cv_func_nis_list = xyes && test -f /usr/bin/nisls && \
/usr/bin/nisls > /dev/null 2>&1 && \
zsh_cv_sys_nis_plus=yes || zsh_cv_sys_nis_plus=no])
if test x$zsh_cv_sys_nis_plus = xyes; then
AC_DEFINE(HAVE_NIS_PLUS)
fi
dnl ----------------------------------------
dnl CHECK FOR LOCATION OF {U,W}TMP{,X} FILES
dnl ----------------------------------------
zsh_PATH_UTMP(utmp)
zsh_PATH_UTMP(wtmp)
zsh_PATH_UTMP(utmpx)
zsh_PATH_UTMP(wtmpx)
dnl -------------------
dnl brk/sbrk PROTOTYPES
dnl -------------------
AC_CACHE_CHECK(for brk() prototype in <unistd.h>,
zsh_cv_header_unistd_h_brk_proto,
[AC_TRY_COMPILE([#include <unistd.h>
double brk();], [int i;],
zsh_cv_header_unistd_h_brk_proto=no, zsh_cv_header_unistd_h_brk_proto=yes)])
AH_TEMPLATE([HAVE_BRK_PROTO],
[Define to 1 if there is a prototype defined for brk() on your system.])
if test x$zsh_cv_header_unistd_h_brk_proto = xyes; then
AC_DEFINE(HAVE_BRK_PROTO)
fi
AC_CACHE_CHECK(for sbrk() prototype in <unistd.h>,
zsh_cv_header_unistd_h_sbrk_proto,
[AC_TRY_COMPILE([#include <unistd.h>
double sbrk();], [int i;],
zsh_cv_header_unistd_h_sbrk_proto=no, zsh_cv_header_unistd_h_sbrk_proto=yes)])
AH_TEMPLATE([HAVE_SBRK_PROTO],
[Define to 1 if there is a prototype defined for sbrk() on your system.])
if test x$zsh_cv_header_unistd_h_sbrk_proto = xyes; then
AC_DEFINE(HAVE_SBRK_PROTO)
fi
dnl -----------------------
dnl mknod prototype for OSF
dnl -----------------------
AH_TEMPLATE([HAVE_MKNOD_PROTO],
[Define to 1 if there is a prototype defined for mknod() on your system.])
if test "$ac_cv_prog_cc_stdc" != no; then
AC_CACHE_CHECK(for mknod prototype in <sys/stat.h>,
zsh_cv_header_sys_stat_h_mknod_proto,
[AC_TRY_COMPILE([#include <sys/stat.h>
int mknod(double x);], [int i;],
zsh_cv_header_sys_stat_h_mknod_proto=no,
zsh_cv_header_sys_stat_h_mknod_proto=yes)])
if test x$zsh_cv_header_sys_stat_h_mknod_proto = xyes; then
AC_DEFINE(HAVE_MKNOD_PROTO)
fi
fi
dnl ----------------------------------------
dnl presence and location of ioctl prototype
dnl ----------------------------------------
AC_CACHE_CHECK(for ioctl prototype in <unistd.h> or <termios.h>,
zsh_cv_header_unistd_h_termios_h_ioctl_proto,
[AC_TRY_COMPILE([
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_TERMIOS_H
# include <termios.h>
#endif
double ioctl();], [int i;],
zsh_cv_header_unistd_h_termios_h_ioctl_proto=no,
zsh_cv_header_unistd_h_termios_h_ioctl_proto=yes)])
if test x$zsh_cv_header_unistd_h_termios_h_ioctl_proto = xno; then
AC_CACHE_CHECK(for ioctl prototype in <sys/ioctl.h>,
zsh_cv_header_sys_ioctl_h_ioctl_proto,
[AC_TRY_COMPILE([#include <sys/ioctl.h>
double ioctl();], [int i;],
zsh_cv_header_sys_ioctl_h_ioctl_proto=no,
zsh_cv_header_sys_ioctl_h_ioctl_proto=yes)])
else
zsh_cv_header_sys_ioctl_h_ioctl_proto=no
fi
AH_TEMPLATE([HAVE_IOCTL_PROTO],
[Define to 1 if there is a prototype defined for ioctl() on your system.])
if test x$zsh_cv_header_unistd_h_termios_h_ioctl_proto = xyes || \
test x$zsh_cv_header_sys_ioctl_h_ioctl_proto = xyes; then
AC_DEFINE(HAVE_IOCTL_PROTO)
fi
AH_TEMPLATE([IOCTL_IN_SYS_IOCTL],
[Define to 1 if we must include <sys/ioctl.h> to get a prototype for ioctl().])
if test x$zsh_cv_header_sys_ioctl_h_ioctl_proto = xyes; then
AC_DEFINE(IOCTL_IN_SYS_IOCTL)
fi
dnl -------------------
dnl select() defined in <sys/socket.h>, ie BeOS R4.51
dnl -------------------
AH_TEMPLATE([SELECT_IN_SYS_SOCKET_H],
[Define to 1 if select() is defined in <sys/socket.h>, ie BeOS R4.51])
if test x$ac_cv_header_sys_select_h != xyes; then
AC_CACHE_CHECK(for select() in <sys/socket.h>,
zsh_cv_header_socket_h_select_proto,
[AC_TRY_COMPILE([#include <sys/socket.h>], [fd_set fd;],
zsh_cv_header_socket_h_select_proto=yes,
zsh_cv_header_socket_h_select_proto=no)])
if test x$zsh_cv_header_socket_h_select_proto = xyes; then
AC_DEFINE(SELECT_IN_SYS_SOCKET_H)
fi
fi
dnl -----------
dnl named FIFOs
dnl -----------
AC_CACHE_CHECK(if named FIFOs work,
zsh_cv_sys_fifo,
[if test "$host_os" = cygwin; then
zsh_cv_sys_fifo=no
else
AC_TRY_RUN([
#include <fcntl.h>
#include <signal.h>
main()
{
char c;
int fd;
int pid, ret;
unlink("/tmp/fifo$$");
#ifdef HAVE_MKFIFO
if(mkfifo("/tmp/fifo$$", 0600) < 0)
#else
if(mknod("/tmp/fifo$$", 0010600, 0) < 0)
#endif
exit(1);
pid = fork();
if(pid < 0)
exit(1);
if(pid) {
fd = open("/tmp/fifo$$", O_RDONLY);
exit(fd < 0 || read(fd, &c, 1) != 1 || c != 'x');
}
fd = open("/tmp/fifo$$", O_WRONLY);
ret = (fd < 0 || write(fd, "x", 1) < 1);
unlink("/tmp/fifo$$");
exit(ret);
}
],
zsh_cv_sys_fifo=yes,
zsh_cv_sys_fifo=no,
zsh_cv_sys_fifo=yes)
fi])
AH_TEMPLATE([HAVE_FIFOS],
[Define to 1 if system has working FIFOs.])
if test x$zsh_cv_sys_fifo = xyes; then
AC_DEFINE(HAVE_FIFOS)
fi
dnl ---------------------
dnl echo style of /bin/sh
dnl ---------------------
AC_CACHE_CHECK(if echo in /bin/sh interprets escape sequences,
zsh_cv_prog_sh_echo_escape,
[if test "`/bin/sh -c \"echo '\\n'\"`" = "\\n"; then
zsh_cv_prog_sh_echo_escape=no
else
zsh_cv_prog_sh_echo_escape=yes
fi])
AH_TEMPLATE([SH_USE_BSD_ECHO],
[Define to 1 if /bin/sh does not interpret \ escape sequences.])
if test x$zsh_cv_prog_sh_echo_escape = xno; then
AC_DEFINE(SH_USE_BSD_ECHO)
fi
dnl -----------
dnl test for whether link() works
dnl for instance, BeOS R4.51 doesn't support hard links yet
dnl -----------
AC_CACHE_CHECK(if link() works,
zsh_cv_sys_link,
[AC_TRY_RUN([
#include <unistd.h>
#include <fcntl.h>
main()
{
int ret;
char *tmpfile, *newfile;
tmpfile="/tmp/zsh.linktest$$";
newfile="/tmp/zsh.linktest2$$";
unlink(tmpfile);
unlink(newfile);
if(creat(tmpfile, 0644) < 0)
exit(1);
ret = link(tmpfile, newfile);
unlink(tmpfile);
unlink(newfile);
exit(ret<0);
}
],
zsh_cv_sys_link=yes,
zsh_cv_sys_link=no,
zsh_cv_sys_link=yes)])
AH_TEMPLATE([HAVE_LINK],
[Define to 1 if system has working link().])
if test x$zsh_cv_sys_link = xyes; then
AC_DEFINE(HAVE_LINK)
fi
dnl -----------
dnl test for whether kill(pid, 0) where pid doesn't exit
dnl should set errno to ESRCH, but some like BeOS R4.51 set to EINVAL
dnl -----------
AC_CACHE_CHECK(if kill(pid, 0) returns ESRCH correctly,
zsh_cv_sys_killesrch,
[AC_TRY_RUN([
#include <unistd.h>
#include <signal.h>
#include <errno.h>
main()
{
int pid = (getpid() + 10000) & 0xffffff;
while (pid && (kill(pid, 0) == 0 || errno != ESRCH)) pid >>= 1;
exit(errno!=ESRCH);
}
],
zsh_cv_sys_killesrch=yes,
zsh_cv_sys_killesrch=no,
zsh_cv_sys_killesrch=yes)])
AH_TEMPLATE([BROKEN_KILL_ESRCH],
[Define to 1 if kill(pid, 0) doesn't return ESRCH, ie BeOS R4.51.])
if test x$zsh_cv_sys_killesrch = xno; then
AC_DEFINE(BROKEN_KILL_ESRCH)
fi
dnl -----------
dnl if POSIX, test for working sigsuspend().
dnl for instance, BeOS R4.51 is broken.
dnl -----------
AH_TEMPLATE([BROKEN_POSIX_SIGSUSPEND],
Define to 1 if sigsuspend() is broken, ie BeOS R4.51.])
if test x$signals_style = xPOSIX_SIGNALS; then
AC_CACHE_CHECK(if POSIX sigsuspend() works,
zsh_cv_sys_sigsuspend,
[AC_TRY_RUN([
#include <signal.h>
#include <unistd.h>
int child=0;
void handler(sig)
int sig;
{if(sig==SIGCHLD) child=1;}
main() {
struct sigaction act;
sigset_t set;
int pid, ret;
act.sa_handler = &handler;
sigfillset(&act.sa_mask);
act.sa_flags = 0;
sigaction(SIGCHLD, &act, 0);
sigfillset(&set);
sigprocmask(SIG_SETMASK, &set, 0);
pid=fork();
if(pid==0) return 0;
if(pid>0) {
sigemptyset(&set);
ret=sigsuspend(&set);
exit(child==0);
}
}
],
zsh_cv_sys_sigsuspend=yes,
zsh_cv_sys_sigsuspend=no,
zsh_cv_sys_sigsuspend=yes)])
if test x$zsh_cv_sys_sigsuspend = xno; then
AC_DEFINE(BROKEN_POSIX_SIGSUSPEND)
fi
fi
dnl -----------
dnl if found tcsetpgrp, test to see if it actually works
dnl for instance, BeOS R4.51 does not support it yet
dnl -----------
AH_TEMPLATE([BROKEN_TCSETPGRP],
[Define to 1 if tcsetpgrp() doesn't work, ie BeOS R4.51.])
AC_ARG_WITH(tcsetpgrp,
AC_HELP_STRING([--with-tcsetpgrp], [assumes that tcsetpgrp() exists and works correctly]),[
case "x$withval" in
xyes) zsh_working_tcsetpgrp=yes;;
xno) zsh_working_tcsetpgrp=no;;
*) AC_ERROR([please use --with-tcsetpgrp=yes or --with-tcsetpgrp=no]);;
esac],[zsh_working_tcsetpgrp=check])
if test "x$ac_cv_func_tcsetpgrp" = xyes; then
case "x$zsh_working_tcsetpgrp" in
xcheck)
trap "" TTOU > /dev/null 2>&1 || :
AC_CACHE_CHECK(if tcsetpgrp() actually works,
zsh_cv_sys_tcsetpgrp,
[AC_TRY_RUN([
#include <sys/types.h>
#include <unistd.h>
#include <fcntl.h>
main() {
int fd;
int ret;
fd=open("/dev/tty", O_RDWR);
if (fd < 0) exit(2);
ret=tcsetpgrp(fd, tcgetpgrp(fd));
if (ret < 0) exit(1);
exit(0);
}
],
zsh_cv_sys_tcsetpgrp=yes, [
case $? in
1) zsh_cv_sys_tcsetpgrp=no;;
2) zsh_cv_sys_tcsetpgrp=notty;;
*) zsh_cv_sys_tcsetpgrp=error;;
esac
], zsh_cv_sys_tcsetpgrp=yes)])
case "x$zsh_cv_sys_tcsetpgrp" in
xno) AC_DEFINE(BROKEN_TCSETPGRP);;
xyes) :;;
xnotty) AC_MSG_ERROR([no controlling tty
Try running configure with --with-tcsetpgrp or --without-tcsetpgrp]);;
*) AC_MSG_ERROR([unexpected return status]);;
esac
trap - TTOU > /dev/null 2>&1 || :
;;
xyes) :;;
xno) AC_DEFINE(BROKEN_TCSETPGRP);;
*) AC_MSG_ERROR([unexpected value zsh_working_tcsetpgrp=$zsh_working_tcsetpgrp]);;
esac
fi
dnl -----------
dnl test for faked getpwnam() entry, ie a single entry returned for any username
dnl for instance, BeOS R4.51 is not multiuser yet, and fakes getpwnam()
dnl test by looking up two usernames that shouldn't succeed, and compare entry
dnl -----------
AH_TEMPLATE([GETPWNAM_FAKED],
[Define to 1 if getpwnam() is faked, ie BeOS R4.51.])
if test x$ac_cv_func_getpwnam = xyes; then
AC_CACHE_CHECK(if getpwnam() is faked,
zsh_cv_sys_getpwnam_faked,
[AC_TRY_RUN([
#include <pwd.h>
main() {
struct passwd *pw1, *pw2;
char buf[1024], name[1024];
sprintf(buf, "%d:%d", getpid(), rand());
pw1=getpwnam(buf);
if (pw1) strcpy(name, pw1->pw_name);
sprintf(buf, "%d:%d", rand(), getpid());
pw2=getpwnam(buf);
exit(pw1!=0 && pw2!=0 && !strcmp(name, pw2->pw_name));
}
],
zsh_cv_sys_getpwnam_faked=no,
zsh_cv_sys_getpwnam_faked=yes,
zsh_cv_sys_getpwnam_faked=no)])
if test x$zsh_cv_sys_getpwnam_faked = xyes; then
AC_DEFINE(GETPWNAM_FAKED)
fi
fi
dnl ---------------
dnl check for the type of third argument of accept
dnl ---------------
zsh_CHECK_SOCKLEN_T
dnl ---------------
dnl Check for pty multiplexer for use in pty module.
dnl We need to open it read/write, so make sure it is writeable.
dnl Yet another test which won't work when cross-compiling.
dnl ---------------
AC_CACHE_CHECK(if your system has /dev/ptmx,
ac_cv_have_dev_ptmx,
[if test -w /dev/ptmx; then
ac_cv_have_dev_ptmx=yes
else
ac_cv_have_dev_ptmx=no
fi])
dnl --------
dnl Check if the ptmx functions are usable.
dnl We need to be able to find the prototypes, which may
dnl require non-POSIX source definitions. So test to see
dnl if ptsname is correctly recognised as returning a char *.
dnl We do this by making sure a program where ptsname() is declared
dnl as returning int does *not* compile.
dnl On Linux we need the XOPEN extensions. The easiest way to get
dnl these is by defining _GNU_SOURCE.
dnl -------
AH_TEMPLATE([USE_DEV_PTMX],
[Define to 1 if all the kit for using /dev/ptmx for ptys is available.])
if test x$ac_cv_have_dev_ptmx = xyes && \
test x$ac_cv_func_grantpt = xyes && \
test x$ac_cv_func_unlockpt = xyes && \
test x$ac_cv_func_ptsname = xyes; then
AC_CACHE_CHECK([if /dev/ptmx is usable],
ac_cv_use_dev_ptmx,
[AC_TRY_COMPILE([#ifdef __linux
#define _GNU_SOURCE 1
#endif
#include <stdlib.h>
int ptsname();], ,
ac_cv_use_dev_ptmx=no,
ac_cv_use_dev_ptmx=yes)])
if test x$ac_cv_use_dev_ptmx = xyes; then
AC_DEFINE(USE_DEV_PTMX)
fi
fi
dnl -----------------
dnl multibyte support
dnl -----------------
AC_ARG_ENABLE(multibyte,
AC_HELP_STRING([--enable-multibyte], [support multibyte characters]),
[zsh_cv_c_unicode_support=$enableval],
[AC_CACHE_VAL(zsh_cv_c_unicode_support,
AC_MSG_NOTICE([checking for functions supporting multibyte characters])
[zfuncs_absent=
for zfunc in iswalnum iswcntrl iswdigit iswgraph iswlower iswprint \
iswpunct iswspace iswupper iswxdigit mbrlen mbrtowc towupper towlower \
wcschr wcscpy wcslen wcsncmp wcsncpy wcrtomb wcwidth wmemchr wmemcmp \
wmemcpy wmemmove wmemset; do
AC_CHECK_FUNC($zfunc,
[:], [zfuncs_absent="$zfuncs_absent $zfunc"])
done
if test x"$zfuncs_absent" = x; then
AC_MSG_NOTICE([all functions found, multibyte support enabled])
zsh_cv_c_unicode_support=yes
else
AC_MSG_NOTICE([missing functions, multibyte support disabled])
zsh_cv_c_unicode_support=no
fi
])
])
AH_TEMPLATE([MULTIBYTE_SUPPORT],
[Define to 1 if you want support for multibyte character sets.])
if test x$zsh_cv_c_unicode_support = xyes; then
AC_DEFINE(MULTIBYTE_SUPPORT)
fi
dnl
dnl static user lookup
dnl
AC_ARG_ENABLE(dynamic-nss,
AC_HELP_STRING([--disable-dynamic-nss], [do not call
functions that will require dynamic NSS
modules]),
[zsh_cv_c_dynamic_nss=$enableval],
[])
AH_TEMPLATE([DISABLE_DYNAMIC_NSS],
[Define to 1 if you want to avoid calling functions that will require
dynamic NSS modules.])
if test x$zsh_cv_c_dynamic_nss = xno; then
AC_DEFINE(DISABLE_DYNAMIC_NSS)
fi
dnl ---------------
dnl dynamic loading
dnl ---------------
AH_TEMPLATE([HPUXDYNAMIC],
[Define to 1 if you want to use dynamically loaded modules on HPUX 10.])
L=N
INSTLIB="install.bin-\$(L)"
UNINSTLIB="uninstall.bin-\$(L)"
LINKMODS=NOLINKMODS
MOD_EXPORT=
MOD_IMPORT_VARIABLE=
MOD_IMPORT_FUNCTION=
aixdynamic=no
hpuxdynamic=no
if test "$ac_cv_func_load" = yes &&
test "$ac_cv_func_unload" = yes &&
test "$ac_cv_func_loadbind" = yes &&
test "$ac_cv_func_loadquery" = yes; then
dnl Force AIXDYNAMIC even on newer versions that have dl family
if test "x$dynamic" = xyes; then
aixdynamic=yes
fi
elif test "$ac_cv_func_dlopen" != yes ||
test "$ac_cv_func_dlsym" != yes ||
test "$ac_cv_func_dlerror" != yes; then
if test "$ac_cv_func_shl_load" != yes ||
test "$ac_cv_func_shl_unload" != yes ||
test "$ac_cv_func_shl_findsym" != yes; then
dynamic=no
elif test "x$dynamic" = xyes; then
hpuxdynamic=yes
DL_EXT="${DL_EXT=sl}"
dnl autoheader won't allow us to define anything which isn't
dnl going into a header, and we can't undefine anything, so
dnl just define this anyway and rely on the later tests to
dnl define DYNAMIC or not.
AC_DEFINE(HPUXDYNAMIC)dnl
fi
fi
test -n "$GCC" && LDARG=-Wl,
AH_TEMPLATE([DLSYM_NEEDS_UNDERSCORE],
[Define to 1 if an underscore has to be prepended to dlsym() argument.])
AH_TEMPLATE([DYNAMIC_NAME_CLASH_OK],
[Define to 1 if multiple modules defining the same symbol are OK.])
if test "x$aixdynamic" = xyes; then
DL_EXT="${DL_EXT=so}"
DLLD="${DLLD=$CC}"
zsh_cv_func_dlsym_needs_underscore=no
if test -n "$GCC"; then
DLLDFLAGS=${DLLDFLAGS=-shared}
else
DLLDFLAGS=${DLLDFLAGS=-bM:SRE}
fi
DLLDFLAGS=${DLLDFLAGS=}
EXTRA_LDFLAGS=${EXTRA_LDFLAGS=}
EXPOPT=${LDARG}-bE:
IMPOPT=${LDARG}-bI:
zsh_cv_sys_dynamic_clash_ok="${zsh_cv_sys_dynamic_clash_ok=yes}"
zsh_cv_sys_dynamic_rtld_global="${zsh_cv_sys_dynamic_rtld_global=yes}"
zsh_cv_sys_dynamic_execsyms="${zsh_cv_sys_dynamic_execsyms=yes}"
zsh_cv_sys_dynamic_strip_exe="${zsh_cv_sys_dynamic_strip_exe=yes}"
zsh_cv_sys_dynamic_strip_lib="${zsh_cv_sys_dynamic_strip_lib=yes}"
zsh_cv_shared_environ="${zsh_cv_shared_environ=yes}"
elif test "$host_os" = cygwin; then
DL_EXT="${DL_EXT=dll}"
##DLLD="${DLLD=dllwrap}"
DLLD="${DLLD=$CC}"
##DLLDFLAGS="${DLLDFLAGS=--export-all-symbols}"
DLLDFLAGS=${DLLDFLAGS=-shared -Wl,--export-all-symbols}
zsh_cv_func_dlsym_needs_underscore=no
DLLDFLAGS=${DLLDFLAGS=}
EXTRA_LDFLAGS=${EXTRA_LDFLAGS=}
zsh_cv_sys_dynamic_clash_ok="${zsh_cv_sys_dynamic_clash_ok=no}"
zsh_cv_sys_dynamic_rtld_global="${zsh_cv_sys_dynamic_rtld_global=yes}"
zsh_cv_sys_dynamic_execsyms="${zsh_cv_sys_dynamic_execsyms=no}"
zsh_cv_sys_dynamic_strip_exe="${zsh_cv_sys_dynamic_strip_exe=yes}"
zsh_cv_sys_dynamic_strip_lib="${zsh_cv_sys_dynamic_strip_lib=yes}"
#
# THAT SUCKS! and must be changed
#
zsh_cv_shared_environ="${zsh_cv_shared_environ=yes}"
LINKMODS=LINKMODS
MOD_EXPORT="__attribute__((__dllexport__))"
MOD_IMPORT_VARIABLE="__attribute__((__dllimport__))"
MOD_IMPORT_FUNCTION=
elif test "x$dynamic" = xyes; then
AC_CACHE_CHECK(if your system uses ELF binaries,
zsh_cv_sys_elf,
[AC_TRY_RUN([/* Test for whether ELF binaries are produced */
#include <fcntl.h>
#include <stdlib.h>
main(argc, argv)
int argc;
char *argv[];
{
char b[4];
int i = open(argv[0],O_RDONLY);
if(i == -1)
exit(1); /* fail */
if(read(i,b,4)==4 && b[0]==127 && b[1]=='E' && b[2]=='L' && b[3]=='F')
exit(0); /* succeed (yes, it's ELF) */
else
exit(1); /* fail */
}],
zsh_cv_sys_elf=yes,
zsh_cv_sys_elf=no,
zsh_cv_sys_elf=yes)])
# We use [0-9]* in case statements, so need to change quoting
changequote(, )
DL_EXT="${DL_EXT=so}"
if test x$zsh_cv_sys_elf = xyes; then
case "$host" in
mips-sni-sysv4*)
# Forcibly set ld to native compiler to avoid obscure GCC problems
DLLD="${DLLD=/usr/ccs/bin/cc}"
DLLDARG="${LDARG}"
;;
* )
DLLD="${DLLD=$CC}"
DLLDARG="${LDARG}"
;;
esac
else
case "$host" in
*openbsd*)
case "$host_os" in
openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*)
DLLD="${DLLD=ld}"
;;
*)
DLLD="${DLLD=$CC}"
;;
esac
DLLDARG="${LDARG}"
;;
*darwin*)
DLLD="${DLLD=$CC}"
DLLDARG=""
;;
* )
DLLD="${DLLD=ld}"
DLLDARG=""
;;
esac
fi
if test -n "$GCC"; then
case "$host_os" in
hpux*) DLLDFLAGS="${DLLDFLAGS=-shared}" ;;
darwin*) DLCFLAGS="${DLCFLAGS=-fno-common}" ;;
*) DLCFLAGS="${DLCFLAGS=-fPIC}" ;;
esac
else
case "$host_os" in
hpux*)
DLCFLAGS="${DLCFLAGS=+z}"
DLLDFLAGS="${DLLDFLAGS=-b}"
;;
sunos*) DLCFLAGS="${DLCFLAGS=-pic}" ;;
solaris*|sysv4*|esix*) DLCFLAGS="${DLCFLAGS=-KPIC}" ;;
esac
fi
case "$host_os" in
osf*) DLLDFLAGS="${DLLDFLAGS=-shared -expect_unresolved '*'}" ;;
*freebsd*|linux*|irix*|gnu*|dragonfly*) DLLDFLAGS="${DLLDFLAGS=-shared}" ;;
sunos*) DLLDFLAGS="${DLLDFLAGS=-assert nodefinitions}" ;;
sysv4*|esix*) DLLDFLAGS="${DLLDFLAGS=-G $ldflags}" ;;
netbsd*) DLLDFLAGS="${DLLDFLAGS=${DLLDARG}-x -shared --whole-archive}" ;;
aix*) DLLDFLAGS="${DLLDFLAGS=-G -bexpall -lc}" ;;
solaris*|sysv4*|esix*) DLLDFLAGS="${DLLDFLAGS=-G}" ;;
darwin*) DLLDFLAGS="${DLLDFLAGS=-bundle -flat_namespace -undefined suppress}" ;;
openbsd*)
if test x$zsh_cv_sys_elf = xyes; then
DLLDFLAGS="${DLLDFLAGS=-shared -fPIC}"
else
case "$host_os" in
openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*)
DLLDFLAGS="${DLLDFLAGS=-Bshareable}"
;;
*)
DLLDFLAGS="${DLLDFLAGS=-shared -fPIC}"
;;
esac
fi
;;
esac
case "$host" in
*-hpux*) EXTRA_LDFLAGS="${EXTRA_LDFLAGS=-Wl,-E}" ;;
*openbsd*)
if test x$zsh_cv_sys_elf = xyes; then
EXTRA_LDFLAGS="${EXTRA_LDFLAGS=-Wl,-E}"
fi
;;
mips-sni-sysv4)
#
# unfortunately, we have different compilers
# that need different flags
#
if test -n "$GCC"; then
sni_cc_version=GCC
else
sni_cc_version=`$CC -V 2>&1 | head -1`
fi
case "$sni_cc_version" in
*CDS*|GCC )
EXTRA_LDFLAGS="${EXTRA_LDFLAGS=-Wl,-Blargedynsym}"
;;
* )
EXTRA_LDFLAGS="${EXTRA_LDFLAGS=-LD-Blargedynsym}"
;;
esac
;;
esac
# Done with our shell code, so restore autotools quoting
changequote([, ])
AC_CACHE_CHECK(if we can use -rdynamic, zsh_cv_rdynamic_available,
old_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -rdynamic"
AC_TRY_LINK([], [], [zsh_cv_rdynamic_available=yes
EXTRA_LDFLAGS="${EXTRA_LDFLAGS=-rdynamic}"],
[zsh_cvs_rdynamic_available=no])
LDFLAGS="$old_LDFLAGS")
AC_CACHE_CHECK(if your dlsym() needs a leading underscore,
zsh_cv_func_dlsym_needs_underscore,
[echo failed >conftestval && cat >conftest.c <<EOM
fred () { }
EOM
AC_TRY_COMMAND($CC -c $CFLAGS $CPPFLAGS $DLCFLAGS conftest.c 1>&AC_FD_CC) &&
AC_TRY_COMMAND($DLLD $LDFLAGS $DLLDFLAGS -o conftest.$DL_EXT conftest.o 1>&AC_FD_CC) &&
AC_TRY_RUN([
#include <stdio.h>
#ifdef HPUXDYNAMIC
#include <dl.h>
#define RTLD_LAZY BIND_DEFERRED
#define RTLD_GLOBAL DYNAMIC_PATH
char *zsh_gl_sym_addr ;
#define dlopen(file,mode) (void *)shl_load((file), (mode), (long) 0)
#define dlclose(handle) shl_unload((shl_t)(handle))
#define dlsym(handle,name) (zsh_gl_sym_addr=0,shl_findsym((shl_t *)&(handle),name,TYPE_UNDEFINED,&zsh_gl_sym_addr), (void *)zsh_gl_sym_addr)
#define dlerror() 0
#else
#ifdef HAVE_DLFCN_H
#include <dlfcn.h>
#else
#include <sys/types.h>
#include <nlist.h>
#include <link.h>
#endif
#endif
#ifndef RTLD_LAZY
#define RTLD_LAZY 1
#endif
extern int fred() ;
main()
{
void * handle ;
void * symbol ;
FILE *f=fopen("conftestval", "w");
if (!f) exit(1);
handle = dlopen("./conftest.$DL_EXT", RTLD_LAZY) ;
if (handle == NULL) {
fprintf (f, "dlopen failed") ;
exit(1);
}
symbol = dlsym(handle, "fred") ;
if (symbol == NULL) {
/* try putting a leading underscore */
symbol = dlsym(handle, "_fred") ;
if (symbol == NULL) {
fprintf (f, "dlsym failed") ;
exit(1);
}
fprintf (f, "yes") ;
}
else
fprintf (f, "no") ;
exit(0);
}], zsh_cv_func_dlsym_needs_underscore=`cat conftestval`,
zsh_cv_func_dlsym_needs_underscore=failed
dynamic=no,
zsh_cv_func_dlsym_needs_underscore=no)])
if test "x$zsh_cv_func_dlsym_needs_underscore" = xyes; then
AC_DEFINE(DLSYM_NEEDS_UNDERSCORE)
elif test "x$zsh_cv_func_dlsym_needs_underscore" != xno; then
dnl Do not cache failed value
unset zsh_cv_func_dlsym_needs_underscore
fi
fi
if test "x$dynamic" = xyes; then
zsh_SHARED_VARIABLE([environ], [char **])
test "$zsh_cv_shared_environ" = yes || dynamic=no
if test "$ac_cv_func_tgetent" = yes; then
zsh_SHARED_FUNCTION([tgetent])
fi
if test "$ac_cv_func_tigetstr" = yes; then
zsh_SHARED_FUNCTION([tigetstr])
fi
fi
if test "x$dynamic" = xyes; then
zsh_SYS_DYNAMIC_CLASH
zsh_SYS_DYNAMIC_GLOBAL
RTLD_GLOBAL_OK=$zsh_cv_sys_dynamic_rtld_global
zsh_SYS_DYNAMIC_EXECSYMS
if test "$zsh_cv_sys_dynamic_execsyms" != yes; then
L=L
fi
zsh_SYS_DYNAMIC_STRIP_EXE
zsh_SYS_DYNAMIC_STRIP_LIB
if $strip_exeldflags && test "$zsh_cv_sys_dynamic_strip_exe" = yes; then
EXELDFLAGS="$EXELDFLAGS -s"
fi
if $strip_libldflags && test "$zsh_cv_sys_dynamic_strip_lib" = yes; then
LIBLDFLAGS="$LIBLDFLAGS -s"
fi
if test "$host_os" = cygwin; then
INSTLIB="install.cygwin-lib"
UNINSTLIB="uninstall.cygwin-lib"
fi
else
$strip_exeldflags && EXELDFLAGS="$EXELDFLAGS -s"
$strip_libldflags && LIBLDFLAGS="$LIBLDFLAGS -s"
RTLD_GLOBAL_OK=no
fi
AH_TEMPLATE([DYNAMIC],
[Define to 1 if you want to use dynamically loaded modules.])
if test "x$dynamic" = xyes; then
D=D
AC_DEFINE(DYNAMIC)dnl
else
D=N
fi
AH_TEMPLATE([AIXDYNAMIC],
[Define to 1 if you want to use dynamically loaded modules on AIX.])
if test "x$aixdynamic" = xyes; then
E=E
AC_DEFINE(AIXDYNAMIC)dnl
else
E=N
fi
if test "x$zsh_cv_sys_dynamic_clash_ok" = xyes; then
SHORTBOOTNAMES=yes
else
SHORTBOOTNAMES=no
fi
AC_SUBST(SHORTBOOTNAMES)
AC_SUBST(INSTLIB)dnl
AC_SUBST(UNINSTLIB)dnl
if test "$host_os" = cygwin; then
EXTRAZSHOBJS="$EXTRAZSHOBJS zsh.res.o"
fi
AC_DEFINE_UNQUOTED(DL_EXT, "$DL_EXT",
[The extension used for dynamically loaded modules.])dnl
AC_SUBST(D)dnl
AC_SUBST(DL_EXT)dnl
AC_SUBST(DLLD)dnl
AC_SUBST(DLCFLAGS)dnl
AC_SUBST(DLLDFLAGS)dnl
AC_SUBST(E)dnl
AC_SUBST(EXTRA_LDFLAGS)dnl
AC_SUBST(EXPOPT)dnl
AC_SUBST(IMPOPT)dnl
AC_SUBST(L)dnl
AC_SUBST(LINKMODS)dnl
AC_SUBST(MOD_EXPORT)dnl
AC_SUBST(MOD_IMPORT_VARIABLE)dnl
AC_SUBST(MOD_IMPORT_FUNCTION)dnl
AC_SUBST(EXTRAZSHOBJS)dnl
# Generate config.modules. We look for *.mdd files in first and second
# level subdirectories. Any existing line not containing 'auto=y' will be
# retained, provided the .mdd file itself was found.
CONFIG_MODULES=./config.modules
cat <<EOM > ${CONFIG_MODULES}.sh
srcdir="$srcdir"
dynamic="$dynamic"
CONFIG_MODULES="${CONFIG_MODULES}"
EOM
cat <<\EOM >> ${CONFIG_MODULES}.sh
echo "creating ${CONFIG_MODULES}"
userlist=" "
if test -f ${CONFIG_MODULES}; then
userlist="`sed -e '/^#/d' -e '/auto=y/d' -e 's/ .*/ /' -e 's/^name=/ /' \
${CONFIG_MODULES}`"
mv ${CONFIG_MODULES} ${CONFIG_MODULES}.old
else
# Save testing for existence each time.
echo > ${CONFIG_MODULES}.old
fi
(echo "# Edit this file to change the way modules are loaded."
echo "# The format is strict; do not break lines or add extra spaces."
echo "# Run \`make prep' if you change anything here after compiling"
echo "# (there is no need if you change this just after the first time"
echo "# you run \`configure')."
echo "#"
echo "# Values of \`link' are \`static', \`dynamic' or \`no' to compile the"
echo "# module into the shell, link it in at run time, or not use it at all."
echo "# In the final case, no attempt will be made to compile it."
echo "# Use \`static' or \`no' if you do not have dynamic loading."
echo "#"
echo "# Values of \`load' are \`yes' or \`no'; if yes, any builtins etc."
echo "# provided by the module will be autoloaded by the main shell"
echo "# (so long as \`link' is not set to \`no')."
echo "#"
echo "# Values of \`auto' are \`yes' or \`no'. configure sets the value to"
echo "# \`yes'. If you set it by hand to \`no', the line will be retained"
echo "# when the file is regenerated in future."
echo "#"
echo "# Note that the \`functions' entry extends to the end of the line."
echo "# It should not be quoted; it is used verbatim to find files to install."
echo "#"
echo "# You will need to run \`config.status --recheck' if you add a new"
echo "# module."
echo "#"
echo "# You should not change the values for the pseudo-module zsh/main,"
echo "# which is the main shell (apart from the functions entry)."
EOM
dnl The autoconf macros are only available in configure, not
dnl config.status, and only change when configure is rerun.
dnl So we need to run the autoconf tests here and store the results.
dnl We then generate config.modules, preserving any user-generated
dnl information, from config.status.
for modfile in `cd ${srcdir}; echo */*.mdd */*/*.mdd`; do
name=
link=
load=
functions=
result=
. ${srcdir}/$modfile
if test x$name != x && test x"$link" != x; then
case "$link" in
*\ *) eval "link=\`$link\`"
;;
esac
case "${load}" in
y*) load=" load=yes"
;;
*) load=" load=no"
;;
esac
if test "x$functions" != x; then
# N.B. no additional quotes
f=" functions=$functions"
else
f=
fi
case "$link" in
static) result="name=$name modfile=$modfile link=static auto=yes${load}$f"
;;
dynamic) if test x$dynamic != xno; then
result="name=$name modfile=$modfile link=dynamic\
auto=yes${load}$f"
else
result="name=$name modfile=$modfile link=no\
auto=yes load=no$f"
fi
;;
either) if test x$dynamic != xno; then
result="name=$name modfile=$modfile link=dynamic\
auto=yes${load}$f"
else
result="name=$name modfile=$modfile link=static\
auto=yes${load}$f"
fi
;;
*) result="name=$name modfile=$modfile link=no auto=yes load=no$f"
;;
esac
dnl $result is the default output for config.modules. We generate
dnl code to check if we should use this.
cat <<EOM >> ${CONFIG_MODULES}.sh
case "\$userlist" in
*" $name "*) grep "^name=$name " \${CONFIG_MODULES}.old;;
*) echo "$result";;
esac
EOM
fi
done
cat <<\EOM >> ${CONFIG_MODULES}.sh
) >${CONFIG_MODULES}
rm -f ${CONFIG_MODULES}.old
EOM
dnl AH_TOP replaces the code which used to appear at the top
dnl of acconfig.h.
AH_TOP([/***** begin user configuration section *****/
/* Define this to be the location of your password file */
#define PASSWD_FILE "/etc/passwd"
/* Define this to be the name of your NIS/YP password *
* map (if applicable) */
#define PASSWD_MAP "passwd.byname"
/* Define to 1 if you want user names to be cached */
#define CACHE_USERNAMES 1
/* Define to 1 if system supports job control */
#define JOB_CONTROL 1
/* Define this if you use "suspended" instead of "stopped" */
#define USE_SUSPENDED 1
/* The default history buffer size in lines */
#define DEFAULT_HISTSIZE 30
/* The default editor for the fc builtin */
#define DEFAULT_FCEDIT "vi"
/* The default prefix for temporary files */
#define DEFAULT_TMPPREFIX "/tmp/zsh"
/***** end of user configuration section *****/
/***** shouldn't have to change anything below here *****/
])
CLEAN_MK="${srcdir}/Config/clean.mk"
CONFIG_MK="${srcdir}/Config/config.mk"
dnl defs.mk is in the build tree, not the source tree
DEFS_MK="Config/defs.mk"
VERSION_MK="${srcdir}/Config/version.mk"
AC_SUBST_FILE(CLEAN_MK)dnl
AC_SUBST_FILE(CONFIG_MK)dnl
AC_SUBST_FILE(DEFS_MK)dnl
AC_SUBST_FILE(VERSION_MK)dnl
AC_CONFIG_FILES(Config/defs.mk Makefile Doc/Makefile Etc/Makefile \
Src/Makefile Test/Makefile)
AC_CONFIG_COMMANDS([config.modules], [. ./config.modules.sh])
AC_CONFIG_COMMANDS([stamp-h], [echo >stamp-h])
AC_OUTPUT
eval "zshbin1=${bindir}"
eval "zshbin2=${zshbin1}"
eval "zshman=${mandir}"
eval "zshinfo=${infodir}"
eval "zshfndir=${fndir}"
echo "
zsh configuration
-----------------
zsh version : ${VERSION}
host operating system : ${host_cpu}-${host_vendor}-${host_os}
source code location : ${srcdir}
compiler : ${CC}
preprocessor flags : ${CPPFLAGS}
executable compiler flags : ${CFLAGS}"
if test "$dynamic" = yes; then
echo "\
module compiler flags : ${CFLAGS} ${DLCFLAGS}"
fi
echo "\
executable linker flags : ${LDFLAGS} ${EXELDFLAGS} ${EXTRA_LDFLAGS}"
if test "$dynamic" = yes; then
echo "\
module linker flags : ${LDFLAGS} ${LIBLDFLAGS} ${DLLDFLAGS}"
fi
echo "\
library flags : ${LIBS}
installation basename : ${tzsh_name}
binary install path : ${zshbin2}
man page install path : ${zshman}
info install path : ${zshinfo}"
if test "$zshfndir" != no; then
echo "functions install path : ${zshfndir}"
fi
echo "See config.modules for installed modules and functions.
"
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