--- Makefile.in+orig 2007-05-16 17:44:46.000000000 -0700
+++ Makefile.in 2007-05-16 17:45:07.000000000 -0700
@@ -983,7 +983,7 @@ uninstall-info: uninstall-info-recursive
skel.c: flex.skl mkskel.sh flexint.h tables_shared.h
- sed 's/m4_/m4postproc_/g; s/m4preproc_/m4_/g' $(srcdir)/flex.skl | $(m4) -P -DFLEX_MAJOR_VERSION=`echo $(VERSION)|cut -f 1 -d .` -DFLEX_MINOR_VERSION=`echo $(VERSION)|cut -f 2 -d .` -DFLEX_SUBMINOR_VERSION=`echo $(VERSION)|cut -f 3 -d .` | sed 's/m4postproc_/m4_/g' | $(SHELL) $(srcdir)/mkskel.sh >skel.c
+ sed 's/m4_/m4postproc_/g; s/m4preproc_/m4_/g' $(srcdir)/flex.skl | $(m4) -I$(srcdir) -P -DFLEX_MAJOR_VERSION=`echo $(VERSION)|cut -f 1 -d .` -DFLEX_MINOR_VERSION=`echo $(VERSION)|cut -f 2 -d .` -DFLEX_SUBMINOR_VERSION=`echo $(VERSION)|cut -f 3 -d .` | sed 's/m4postproc_/m4_/g' | $(SHELL) $(srcdir)/mkskel.sh >skel.c