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-rw-r--r--gcc/config/t-svr43
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/config/t-svr4 b/gcc/config/t-svr4
index e6be0c3b0c8..52c9b28fc9a 100644
--- a/gcc/config/t-svr4
+++ b/gcc/config/t-svr4
@@ -6,3 +6,6 @@
CRTSTUFF_T_CFLAGS = -fPIC
TARGET_LIBGCC2_CFLAGS = -fPIC
+
+# See all the declarations.
+FIXPROTO_DEFINES = -D_XOPEN_SOURCE