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Add autoconf tests for pthreads

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Set the value of PTHREAD_LIBS to the correct flags for linking pthreads on
the current environment.

Signed-off-by: David M. Syzdek <david.syzdek@acsalaska.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
David M. Syzdek 2008-11-03 09:14:28 -09:00 committed by Junio C Hamano
parent 158629b2c9
commit 20f7a39825
2 changed files with 17 additions and 0 deletions
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1
config.mak.in
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@ -51,3 +51,4 @@ OLD_ICONV=@OLD_ICONV@
NO_DEFLATE_BOUND=@NO_DEFLATE_BOUND@
FREAD_READS_DIRECTORIES=@FREAD_READS_DIRECTORIES@
SNPRINTF_RETURNS_BOGUS=@SNPRINTF_RETURNS_BOGUS@
PTHREAD_LIBS=@PTHREAD_LIBS@

16
configure.ac
View File

@ -479,6 +479,22 @@ AC_SUBST(NO_MKDTEMP)
#
# Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link.
# Enable it on Windows. By default, symrefs are still used.
#
# Define PTHREAD_LIBS to the linker flag used for Pthread support.
AC_LANG_CONFTEST([AC_LANG_PROGRAM(
[[#include <pthread.h>]],
[[pthread_mutex_t test_mutex;]]
)])
${CC} -pthread conftest.c -o conftest.o > /dev/null 2>&1
if test $? -eq 0;then
PTHREAD_LIBS="-pthread"
else
${CC} -lpthread conftest.c -o conftest.o > /dev/null 2>&1
if test $? -eq 0;then
PTHREAD_LIBS="-lpthread"
fi
fi
AC_SUBST(PTHREAD_LIBS)
## Site configuration (override autodetection)
## --with-PACKAGE[=ARG] and --without-PACKAGE