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-rw-r--r--gcc/config/s390/s390.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/config/s390/s390.h b/gcc/config/s390/s390.h
index 85a0d1af65a..f18b97323b3 100644
--- a/gcc/config/s390/s390.h
+++ b/gcc/config/s390/s390.h
@@ -126,6 +126,7 @@ enum processor_flags
{ "arch", "%{!march=*:-march=%(VALUE)}" }, \
{ "tune", "%{!mtune=*:-mtune=%(VALUE)}" }
+#ifdef __s390__
extern const char *s390_host_detect_local_cpu (int argc, const char **argv);
# define EXTRA_SPEC_FUNCTIONS \
{ "local_cpu_detect", s390_host_detect_local_cpu },
@@ -133,6 +134,9 @@ extern const char *s390_host_detect_local_cpu (int argc, const char **argv);
# define MARCH_MTUNE_NATIVE_SPECS \
" %{march=native:%<march=native %:local_cpu_detect(arch)}" \
" %{mtune=native:%<mtune=native %:local_cpu_detect(tune)}"
+#else
+# define MARCH_MTUNE_NATIVE_SPECS ""
+#endif
/* Defaulting rules. */
#ifdef DEFAULT_TARGET_64BIT