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-rw-r--r--gcc/config/i386/linux.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/config/i386/linux.h b/gcc/config/i386/linux.h
index 19580673eaa..18513a6c347 100644
--- a/gcc/config/i386/linux.h
+++ b/gcc/config/i386/linux.h
@@ -25,7 +25,7 @@
/* Specify predefined symbols in preprocessor. */
#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-Dunix -Di386 -Dlinux"
+#define CPP_PREDEFINES "-Dunix -Di386 -Dlinux -Asystem(unix) -Asystem(posix) -Acpu(i386) -Amachine(i386)"
#undef CPP_SPEC
#if TARGET_CPU_DEFAULT == 2