# Makefile for authoring less.

EMAIL = [email protected]
HOMEPAGE = https://greenwoodsoftware.com/less
SHELL = /bin/sh
GIT = git
NROFF = nroff -t -man

srcdir = .
REL := $(shell sed -e '/char version/!d' -e 's/[^0-9.]*\([0-9.]*\).*/\1/' -e q ${srcdir}/version.c)

ifeq ($(USE_PYTHON),1)
       MKHELP = mkhelp.py
else
       MKHELP = mkhelp.pl
endif

SRC = \
       main.c screen.c brac.c ch.c charset.c cmdbuf.c \
       command.c cvt.c decode.c edit.c filename.c forwback.c \
       help.c ifile.c input.c jump.c line.c linenum.c \
       lsystem.c mark.c optfunc.c option.c opttbl.c os.c \
       output.c pattern.c position.c prompt.c search.c signal.c \
       tags.c ttyin.c version.c xbuf.c
DISTFILES_W = \
       defines.ds  Makefile.dsb Makefile.dsg Makefile.dsu \
       defines.o2  Makefile.o2e \
       defines.o9  Makefile.o9c Makefile.o9u \
       defines.wn  Makefile.wnm Makefile.wnb Makefile.wng \
       configure
UNICODE_FILES = \
       compose.uni fmt.uni ubin.uni wide.uni
DISTFILES = \
       ${SRC} regexp.c regexp.h \
       COPYING INSTALL LICENSE Makefile.in Makefile.aut NEWS README \
       configure.ac lesskey.c lesskey_parse.c lessecho.c scrsize.c \
       charset.h cmd.h funcs.h lglob.h less.h lesskey.h option.h \
       pckeys.h pattern.h position.h xbuf.h \
       install.sh defines.h.in mkinstalldirs \
       less.nro less.man lesskey.nro lesskey.man lessecho.nro lessecho.man \
       less.hlp \
       mkhelp.pl \
       mkhelp.py \
       mkutable $(UNICODE_FILES) \
       $(shell ${MAKE} -s -f ${srcdir}/lesstest/Makefile echo_distfiles srcdir=${srcdir}/lesstest) \
       ${DISTFILES_W}


all: help.c funcs.h $(UNICODE_FILES) ${srcdir}/configure

release: .FORCE
       @if ${srcdir}/ready_to_release -d ${srcdir}; then :; else exit 1; fi
       ${MAKE} -f Makefile.aut tagall
       ${MAKE} -f Makefile.aut all
       ${MAKE} -f Makefile.aut clean
       ${MAKE} -f Makefile.aut dist

FORCE:

help.c: less.hlp
       -mv -f ${srcdir}/help.c ${srcdir}/help.c.old
       rm -rf help.c
       ${srcdir}/${MKHELP} < less.hlp > help.c
       if cmp -s help.c help.c.old; then mv -f help.c.old help.c; fi

${srcdir}/configure ${srcdir}/defines.h.in: ${srcdir}/configure.ac ${srcdir}/Makefile.in
       cd ${srcdir}; autoheader; autoconf

funcs.h: ${SRC:%=${srcdir}/%}
       -mv -f ${srcdir}/funcs.h ${srcdir}/funcs.h.old
       grep -h '^public [^;]*$$' ${SRC:%=${srcdir}/%} | sed 's/$$/;/' >${srcdir}/funcs.h

lint:
       lint -I. ${CPPFLAGS} ${SRC}

clean:
       rm -f Makefile config.status config.log config.cache defines.h stamp-h \
               configure defines.h.in funcs.h help.c \
               less.nro less.man lesskey.nro lesskey.man lessecho.nro lessecho.man

distclean: clean
realclean: clean

REPLACE_VERSION = \
       DT=`date '+%d %h %Y'`; \
       echo "Stuffing version number ${REL} into $@"; \
       rm -f $@; \
       sed \
               -e "s;@@VERSION@@;${REL};" \
               -e "s;@@DATE@@;$$DT;" >$@

${srcdir}/less.nro: ${srcdir}/less.nro.VER ${srcdir}/version.c
       ${REPLACE_VERSION} ${srcdir}/less.nro.VER
${srcdir}/lesskey.nro: ${srcdir}/lesskey.nro.VER ${srcdir}/version.c
       ${REPLACE_VERSION} ${srcdir}/lesskey.nro.VER
${srcdir}/lessecho.nro: ${srcdir}/lessecho.nro.VER ${srcdir}/version.c
       ${REPLACE_VERSION} ${srcdir}/lessecho.nro.VER

${srcdir}/less.man: ${srcdir}/less.nro
       ${NROFF} ${srcdir}/less.nro >${srcdir}/less.man
${srcdir}/lesskey.man: ${srcdir}/lesskey.nro
       ${NROFF} ${srcdir}/lesskey.nro >${srcdir}/lesskey.man
${srcdir}/lessecho.man: ${srcdir}/lessecho.nro
       ${NROFF} ${srcdir}/lessecho.nro >${srcdir}/lessecho.man

compose.uni: unicode/UnicodeData.txt
       ./mkutable -f2 Mn Me -- unicode/UnicodeData.txt > $@
fmt.uni: unicode/UnicodeData.txt
       ./mkutable -f2 Cf -- unicode/UnicodeData.txt > $@
ubin.uni: unicode/UnicodeData.txt
       ./mkutable -f2 Cc Cs Co Zl Zp -- unicode/UnicodeData.txt > $@
wide.uni: unicode/EastAsianWidth.txt
       ./mkutable -f1 W F -- unicode/EastAsianWidth.txt > $@

unicode-check:
       rm -rf unicode-old
       mv -f unicode unicode-old
       ${MAKE} -f Makefile.aut unicode/UnicodeData.txt unicode/EastAsianWidth.txt
       @if diff -q unicode-old unicode >/dev/null; then rm -rf unicode; mv -f unicode-old unicode; echo "unicode files already up to date"; else echo "unicode files updated"; fi

unicode/UnicodeData.txt:
       mkdir -p unicode
       lftp -c 'open -u "anonymous:${EMAIL}" ftp.unicode.org ; get Public/UNIDATA/UnicodeData.txt -o $@'
       touch $@
unicode/EastAsianWidth.txt:
       mkdir -p unicode
       lftp -c 'open -u "anonymous:${EMAIL}" ftp.unicode.org ; get Public/UNIDATA/EastAsianWidth.txt -o $@'
       touch $@

distfiles: ${DISTFILES}

echo_distfiles:
       @echo $(subst .nro,.nro.VER,${DISTFILES})

dist: ${DISTFILES}
       if [ ! -d ${srcdir}/release ]; then mkdir ${srcdir}/release; fi
       @LESSREL=less-${REL} && RELDIR=release/$$LESSREL && \
       TARF=$$LESSREL-beta.tar.gz && ZIPF=$$LESSREL-beta.zip && \
       cd ${srcdir} && \
       rm -rf $$RELDIR && mkdir $$RELDIR && \
       echo "Preparing $$LESSREL" && \
       rm -rf $$LESSREL && mkdir $$LESSREL && \
       for f in ${DISTFILES}; do mkdir -p $$(dirname $$LESSREL/$$f); cp $$f $$LESSREL/$$f; done && \
       cd $$LESSREL && chmod -w * && chmod +w ${DISTFILES_W} lesstest && chmod +x configure && cd .. && \
       echo "Creating $$RELDIR/$$TARF" && \
       tar -cf - $$LESSREL | gzip -c >$$RELDIR/$$TARF && \
       echo "Signing $$RELDIR/$$TARF" && \
       gpg --detach-sign $$RELDIR/$$TARF && \
       mv $$RELDIR/$$TARF.sig $$RELDIR/$$LESSREL.sig && \
       echo "Creating $$RELDIR/$$ZIPF" && \
       zip -rq $$RELDIR/$$ZIPF $$LESSREL && \
       rm -rf $$LESSREL

tagall:
       echo "tagging v${REL}"; \
       $(GIT) tag -a -f -m "v${REL}" "v${REL}"

gnu_upload:
       @if [ -z "${REL}" ]; then echo "Please set REL=nnn"; exit 1; fi; \
       LESSREL=less-${REL} && RELDIR=release/$$LESSREL && \
       TARF=$$LESSREL.tar.gz && \
       if [ ! -s $$RELDIR/$$TARF ]; then echo "$$RELDIR/$$TARF does not exist"; exit 1; fi; \
       cd $$RELDIR && \
       gpg -b $$TARF && \
       ( echo "version: 1.2"; echo "directory: less"; echo "filename: $$TARF" ) > $$TARF.directive && \
       gpg --clearsign $$TARF.directive && \
       echo "upload ready: cd $$RELDIR; ftp ftp-upload.gnu.org; cd /incoming/ftp; put $$TARF $$TARF.sig $$TARF.directive.asc"

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