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-rw-r--r--gcc/config/s390/s390.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/config/s390/s390.h b/gcc/config/s390/s390.h
index 5731ae9..6f7195d 100644
--- a/gcc/config/s390/s390.h
+++ b/gcc/config/s390/s390.h
@@ -302,7 +302,7 @@ extern const char *s390_host_detect_local_cpu (int argc, const char **argv);
#define DRIVER_SELF_SPECS \
MARCH_MTUNE_NATIVE_SPECS, \
"%{!m31:%{!m64:-m" S390_TARGET_BITS_STRING "}}", \
- "%{!mesa:%{!mzarch:-mzarch}}", \
+ "%{!mesa:%{!mzarch:%{m31:-mesa}%{m64:-mzarch}}}", \
"%{!march=*:-march=z900}"
/* Target machine storage layout. */