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-rw-r--r--gcc/ggc-page.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/ggc-page.c b/gcc/ggc-page.c
index 9b352913eb4..2da99db9cf8 100644
--- a/gcc/ggc-page.c
+++ b/gcc/ggc-page.c
@@ -50,7 +50,7 @@ along with GCC; see the file COPYING3. If not see
#define USING_MALLOC_PAGE_GROUPS
#endif
-#if defined(HAVE_MADVISE) && defined(MADV_DONTNEED)
+#if defined(HAVE_MADVISE) && defined(MADV_DONTNEED) && defined(USING_MMAP)
# define USING_MADVISE
#endif