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-rw-r--r--gcc/Makefile.in3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/Makefile.in b/gcc/Makefile.in
index 932ab36a5e5..fc7f2d0fdc7 100644
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -209,6 +209,9 @@ RANLIB_TEST_FOR_TARGET = \
# Dir to search for system headers. Overridden by cross-make.
SYSTEM_HEADER_DIR = /usr/include
+# Default cross SYSTEM_HEADER_DIR, to be overridden by targets.
+CROSS_SYSTEM_HEADER_DIR = $(tooldir)/sys-include
+
# Control whether to run fixproto.
STMP_FIXPROTO = stmp-fixproto