3 # By default, flex will be configured to generate 8-bit scanners only if the
4 # -8 flag is given. If you want it to always generate 8-bit scanners, add
5 # "-DDEFAULT_CSIZE=256" to CFLAGS. Note that doing so will double the size
6 # of all uncompressed scanners.
8 # Bootstrapping of lex is handled automatically.
9 # Also note that flex.skel no longer gets installed.
13 LINKS+= ${BINDIR}/lex ${BINDIR}/lex++
14 LINKS+= ${BINDIR}/lex ${BINDIR}/flex
15 LINKS+= ${BINDIR}/lex ${BINDIR}/flex++
17 FLEXDIR= ${SRCTOP}/contrib/flex
21 SRCS= buf.c ccl.c dfa.c ecs.c filter.c gen.c main.c misc.c \
22 nfa.c options.c parse.y regex.c scan.c scanflags.c \
23 scanopt.c skel.c sym.c tables.c tables_shared.c \
26 CFLAGS+= -I. -I${.CURDIR} -I${FLEXDIR} -DHAVE_CONFIG_H
28 INCSDIR= ${INCLUDEDIR}
30 MLINKS+= lex.1 flex++.1
31 MLINKS+= lex.1 lex++.1
35 NO_WMISLEADING_INDENTATION=
37 CLEANFILES= scan.c skel.c
38 GENFILES= parse.c parse.h scan.c skel.c
42 FLEX_VERSION= `awk -f ${.CURDIR}/version.awk ${.CURDIR}/config.h`
44 skel.c: config.h mkskel.sh flex.skl version.awk
45 sed 's/m4_/m4postproc_/g; s/m4preproc_/m4_/g' \
46 ${FLEXDIR}/flex.skl | \
47 m4 -I${FLEXDIR} -P ${FLEX_VERSION} | \
48 sed 's/m4postproc_/m4_/g' | \
49 sh ${FLEXDIR}/mkskel.sh > ${.TARGET}
51 bootstrap: ${GENFILES:S/^/init/g}
52 .for _f in ${GENFILES}
53 @diff -I '^#line ' -I '\$$FreeBS[D]: .*\$$' -q \
54 ${.CURDIR}/init${_f} ${_f} 2> /dev/null || { \
55 echo "Bootstrapping ${_f}" ; \
56 ${CP} ${.CURDIR}/init${_f} ${_f} ; \
62 ./${PROG} ${LFLAGS} -t ${COMPRESSION} ${FLEXDIR}/scan.l | \
63 diff -I '^#line ' -I '\$$FreeBS[D]: .*\$$' ${.CURDIR}/initscan.c -
64 @echo "Check successful"
66 .include <bsd.prog.mk>