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authorLibravatar Jeff King <peff@peff.net>2015-11-24 19:06:33 -0500
committerLibravatar Jeff King <peff@peff.net>2015-11-24 19:06:33 -0500
commita3824e7145d2f462e6b4f716baeece89868e1e38 (patch)
treed490b50cb52b62f4e121c9df045913c65c7b34e9
parentMerge branch 'maint' (diff)
parentconfigure.ac: use $LIBS not $CFLAGS when testing -lpthread (diff)
downloadtgif-a3824e7145d2f462e6b4f716baeece89868e1e38.tar.xz
Merge branch 'rc/configure-use-libs-when-checking-a-lib'
The "configure" script did not test for -lpthread correctly, which upset some linkers. * rc/configure-use-libs-when-checking-a-lib: configure.ac: use $LIBS not $CFLAGS when testing -lpthread
-rw-r--r--configure.ac8
1 files changed, 7 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index 76170ad06d..89e2590bd6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1142,7 +1142,12 @@ elif test -z "$PTHREAD_CFLAGS"; then
# would then trigger compiler warnings on every single file we compile.
for opt in "" -mt -pthread -lpthread; do
old_CFLAGS="$CFLAGS"
- CFLAGS="$opt $CFLAGS"
+ old_LIBS="$LIBS"
+ case "$opt" in
+ -l*) LIBS="$opt $LIBS" ;;
+ *) CFLAGS="$opt $CFLAGS" ;;
+ esac
+
AC_MSG_CHECKING([for POSIX Threads with '$opt'])
AC_LINK_IFELSE([PTHREADTEST_SRC],
[AC_MSG_RESULT([yes])
@@ -1154,6 +1159,7 @@ elif test -z "$PTHREAD_CFLAGS"; then
],
[AC_MSG_RESULT([no])])
CFLAGS="$old_CFLAGS"
+ LIBS="$old_LIBS"
done
if test $threads_found != yes; then
AC_CHECK_LIB([pthread], [pthread_create],