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autoconf: Checks for some library functions. 

./configure script checks now for the following library functions:
 * strcasestr (NO_STRCASESTR)
 * strlcpy (NO_STRLCPY)
 * setenv (NO_SETENV)
in default C library and in libraries which have AC_CHECK_LIB done for
them.

Checks not implemented:
 * NO_MMAP  - probably only via optional features configuration
 * NO_IPV6  - what does "lack IPv6 support" mean?
 * NO_ICONV - what does "properly support iconv" mean?

Signed-off-by: Jakub Narebski <jnareb@gmail.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Jakub Narebski 2006-07-08 23:07:11 +02:00 committed by Junio C Hamano
parent eb0f255d61
commit 1bbbadbc2c
1 changed files with 12 additions and 3 deletions
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15
configure.ac
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@ -69,12 +69,21 @@ GIT_CONF_APPEND_LINE(NO_SOCKADDR_STORAGE=YesPlease),
## Checks for library functions.
## (in default C library and libraries checked by AC_CHECK_LIB)
AC_MSG_NOTICE([CHECKS for library functions])
# Define NO_STRCASESTR if you don't have strcasestr.
#
AC_CHECK_FUNC(strcasestr,[],
GIT_CONF_APPEND_LINE(NO_STRCASESTR=YesPlease))
# Define NO_STRLCPY if you don't have strlcpy.
#
AC_CHECK_FUNC(strlcpy,[],
GIT_CONF_APPEND_LINE(NO_STRLCPY=YesPlease))
# Define NO_SETENV if you don't have setenv in the C library.
#
AC_CHECK_FUNC(setenv,[],
GIT_CONF_APPEND_LINE(NO_SETENV=YesPlease))
# Define NO_MMAP if you want to avoid mmap.
#
# Define NO_IPV6 if you lack IPv6 support and getaddrinfo().