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authorJanne Blomqvist <jb@gcc.gnu.org>2011-02-02 10:48:24 +0200
committerJanne Blomqvist <jb@gcc.gnu.org>2011-02-02 10:48:24 +0200
commitaa8374708a2e5e47266b7e65f710506d237a38db (patch)
tree74e43d0af93ad7827a8164bfa3ba1469d9f6c579 /libgfortran/configure.ac
parente829c3213bab0c0126336b4ffdd60605874e3783 (diff)
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PR 47571 Weakref trickery for clock_gettime()
From-SVN: r169517
Diffstat (limited to 'libgfortran/configure.ac')
-rw-r--r--libgfortran/configure.ac6
1 files changed, 3 insertions, 3 deletions
diff --git a/libgfortran/configure.ac b/libgfortran/configure.ac
index ed1e2cc..8161659 100644
--- a/libgfortran/configure.ac
+++ b/libgfortran/configure.ac
@@ -486,11 +486,11 @@ AC_CHECK_LIB([m],[feenableexcept],[have_feenableexcept=yes AC_DEFINE([HAVE_FEENA
# At least for glibc, clock_gettime is in librt. But don't pull that
# in if it still doesn't give us the function we want.
-# This test is copied from libgomp.
+# This test is copied from libgomp, and modified to not link in -lrt
+# as libgfortran calls clock_gettime via a weak reference.
if test $ac_cv_func_clock_gettime = no; then
AC_CHECK_LIB(rt, clock_gettime,
- [LIBS="-lrt $LIBS"
- AC_DEFINE(HAVE_CLOCK_GETTIME, 1,
+ [AC_DEFINE(HAVE_CLOCK_GETTIME, 1,
[Define to 1 if you have the `clock_gettime' function.])])
fi