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-rw-r--r--gcc/Makefile.in2
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/Makefile.in b/gcc/Makefile.in
index 2122b5412fd..b14af5ac6a1 100644
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -194,6 +194,8 @@ SYSCALLS.c.X-warn = -Wno-strict-prototypes -Wno-error
# $(GCC_WARN_CFLAGS), or nothing.
WARN_CFLAGS = @warn_cflags@
+CPPFLAGS = @CPPFLAGS@
+
# These exists to be overridden by the x-* and t-* files, respectively.
X_CFLAGS =
T_CFLAGS =