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Diffstat (limited to 'gcc/config/rs6000/aix43.h')
-rw-r--r--gcc/config/rs6000/aix43.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/config/rs6000/aix43.h b/gcc/config/rs6000/aix43.h
index 3822c0a..d700a44 100644
--- a/gcc/config/rs6000/aix43.h
+++ b/gcc/config/rs6000/aix43.h
@@ -105,6 +105,7 @@ do { \
#undef CPP_SPEC
#define CPP_SPEC "%{posix: -D_POSIX_SOURCE}\
+ %{ansi: -D_ANSI_C_SOURCE}\
%{maix64: -D__64BIT__ -D_ARCH_PPC}\
%{mpe: -I/usr/lpp/ppe.poe/include}\
%{mthreads: -D_THREAD_SAFE}\