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-rw-r--r--gcc/config/rs6000/aix.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/config/rs6000/aix.h b/gcc/config/rs6000/aix.h
index 67f83ae180d..6f91c57f764 100644
--- a/gcc/config/rs6000/aix.h
+++ b/gcc/config/rs6000/aix.h
@@ -109,6 +109,8 @@
#define CPP_SPEC "%{posix: -D_POSIX_SOURCE}\
%{ansi: -D_ANSI_C_SOURCE}"
+#define CC1_SPEC "%(cc1_cpu)"
+
#undef ASM_DEFAULT_SPEC
#define ASM_DEFAULT_SPEC ""