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authorUlrich Drepper <drepper@redhat.com>2002-07-16 18:15:34 +0000
committerUlrich Drepper <drepper@redhat.com>2002-07-16 18:15:34 +0000
commit8a989129d6203edb576b9566f6511ec035203321 (patch)
tree6c59776d88aeed81a625394e29a9e6a4df5b28af /config.h.in
parentd2afebcce46f40e9d96fc48e541aa5a6d8deac9b (diff)
downloadglibc-8a989129d6203edb576b9566f6511ec035203321.tar.gz
Update.
2002-07-16 Ulrich Drepper <drepper@redhat.com> * glibcbug.in: Fix little typo. Remove STDIO. * config.h.in: Fail if __FAST_MATH__ is defined.
Diffstat (limited to 'config.h.in')
-rw-r--r--config.h.in6
1 files changed, 6 insertions, 0 deletions
diff --git a/config.h.in b/config.h.in
index 34e3547431..5bafd13a6e 100644
--- a/config.h.in
+++ b/config.h.in
@@ -2,6 +2,12 @@
# error "glibc cannot be compiled without optimization"
#endif
+/* Another evil option when it comes to compiling the C library is
+ --ffast-math since it alters the ABI. */
+#ifdef __FAST_MATH__
+# error "glibc must not be compiled with -ffast-math"
+#endif
+
/* Define if using GNU ld, with support for weak symbols in a.out,
and for symbol set and warning messages extensions in a.out and ELF.
This implies HAVE_WEAK_SYMBOLS; set by --with-gnu-ld. */