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Defeat GCC over-optimization in AC_TRY_LINK tests.

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This commit is contained in:
Bart Schaefer 2001-04-30 17:24:00 +00:00
parent 6757c3c734
commit 2e935f0186
2 changed files with 16 additions and 11 deletions
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15
ChangeLog
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@ -1,15 +1,20 @@
2001-04-30 Bart Schaefer <schaefer@zsh.org>
* 14169: configure.in: Improve some AC_TRY_LINK tests so that they
can't accidentally succeed because of a compiler that optimizes
away unreferenced variables.
2001-04-30 Sven Wischnowsky <wischnow@zsh.org>
* 14160: Completion/Base/Completer/_expand: fixelt for the test
* 14160: Completion/Base/Completer/_expand: fixlet for the test
for the suffix style; if word contains only a tilde, don't try
to expand it
2001-04-30 Andrej Borsenkow <bor@zsh.org>
* Bart: 14144 (modified): Src/Modules/stat.c
The S_IXUSR, S_IXGRP, S_IXOTH are made external variables in
Cygwin 1.3.1 and cannot be used as static array initializer
anymore.
* Bart: 14144 (modified): Src/Modules/stat.c: The S_IXUSR,
S_IXGRP, S_IXOTH are made external variables in Cygwin 1.3.1 and
cannot be used as static array initializer anymore.
2001-04-29 Bart Schaefer <schaefer@zsh.org>

12
configure.in
View File

@ -533,36 +533,36 @@ 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;],
#include <term.h>], [char **test = boolcodes; printf(*test);],
AC_DEFINE(HAVE_BOOLCODES) boolcodes=yes, boolcodes=no)
AC_MSG_RESULT($boolcodes)
AC_MSG_CHECKING(if numcodes is available)
AC_TRY_LINK([#ifdef TERM_H_NEEDS_CURSES_H
#include <curses.h>
#endif
#include <term.h>], [char **test = numcodes;],
#include <term.h>], [char **test = numcodes; printf(*test);],
AC_DEFINE(HAVE_NUMCODES) numcodes=yes, numcodes=no)
AC_MSG_RESULT($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;],
#include <term.h>], [char **test = strcodes; printf(*test);],
AC_DEFINE(HAVE_STRCODES) strcodes=yes, strcodes=no)
AC_MSG_RESULT($strcodes)
AC_MSG_CHECKING(if boolnames is available)
AC_TRY_LINK([#include <curses.h>
#include <term.h>], [char **test = boolnames;],
#include <term.h>], [char **test = boolnames; printf(*test);],
AC_DEFINE(HAVE_BOOLNAMES) boolnames=yes, boolnames=no)
AC_MSG_RESULT($boolnames)
AC_MSG_CHECKING(if numnames is available)
AC_TRY_LINK([#include <curses.h>
#include <term.h>], [char **test = numnames;],
#include <term.h>], [char **test = numnames; printf(*test);],
AC_DEFINE(HAVE_NUMNAMES) numnames=yes, numnames=no)
AC_MSG_RESULT($numnames)
AC_MSG_CHECKING(if strnames is available)
AC_TRY_LINK([#include <curses.h>
#include <term.h>], [char **test = strnames;],
#include <term.h>], [char **test = strnames; printf(*test);],
AC_DEFINE(HAVE_STRNAMES) strnames=yes, strnames=no)
AC_MSG_RESULT($strnames)