1 files changed, 1 insertions, 4 deletions

diff --git a/src/Makefile.in b/src/Makefile.in
index 1cc94f6a732..4698ea1758b 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -76,10 +76,7 @@ relock:
 xmakefile: ymakefile config.h ../config.status
         -rm -f xmakefile xmakefile.new junk.c junk.cpp
         cp ${srcdir}/ymakefile junk.c
-        ${CPP} -I${srcdir} ${CFLAGS} junk.c > junk.cpp \
-        -DC_SWITCH_SITE="`echo ${CFLAGS}' ' \
-                          | sed -e 's/-g /C_DEBUG_SWITCH /' \
-                                -e 's/-O[0-9]* /C_OPTIMIZE_SWITCH /'`"
+        ${CPP} -I${srcdir} ${CFLAGS} junk.c > junk.cpp
         < junk.cpp                                      \
         sed     -e 's/^#.*//'                           \
                 -e 's/^[ \f\t][ \f\t]*$$//'             \