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-rw-r--r--generate/unix/Makefile.config5
1 files changed, 5 insertions, 0 deletions
diff --git a/generate/unix/Makefile.config b/generate/unix/Makefile.config
index 8d41399cdfb0..dd7fd756149e 100644
--- a/generate/unix/Makefile.config
+++ b/generate/unix/Makefile.config
@@ -207,6 +207,8 @@ endif
# -Wshadow\
#
+# M4 macro processor is used to build the final parser file
+#
# Bison/Flex configuration
#
# -y: act like yacc
@@ -226,6 +228,9 @@ endif
YACC= bison
YFLAGS += -y
+MACROPROC= m4
+MFLAGS= -P -I$(ASL_COMPILER)
+
LEX= flex
LFLAGS += -i -s