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-rw-r--r--Makeconfig2
1 files changed, 1 insertions, 1 deletions
diff --git a/Makeconfig b/Makeconfig
index b47ccda686..c26e9c7df5 100644
--- a/Makeconfig
+++ b/Makeconfig
@@ -698,7 +698,7 @@ ifeq (yes, $(build-shared))
 # %ifdef et al based on config.h settings or other %include'd files.
 define preprocess-versions
 sed 's/#.*$$//;s/^[ 	]*%/#/' \
-| $(CC) -E -undef -I$(common-objdir) -I$(..)include \
+| $(CC) -E -undef -traditional-cpp -I$(common-objdir) -I$(..)include \
 		  -include $(common-objpfx)config.h \
 		  -x c - \
 | sed 's/#.*$$//;/^[ 	]*$$/d'