makefile

# These targets are those you might want to override at install time
INSTALLPROG=install
INSTALLROOT=
INSTALLARGS=
PREFIX=/usr/local
BINDIR=bin
BINPERM=0755
# Might use: MANDIR=share/man
MANDIR=man
MANSECTDIR=man1
MANPERM=0644
PERL5BIN=`sh ./find-perl58.sh`
SED=sed
CHMOD=chmod
RM=rm

# These you probably don't want to adjust
SCRIPTNAME=sieve-connect
MANPAGE=sieve-connect.1
SCRIPTSRC=sieve-connect.pre.pl
SCRIPTDIST=sieve-connect.pl
TARPREFIX=sieve-connect
DISTFILES=$(SCRIPTDIST) $(MANPAGE) ChangeLog Makefile README.md LICENSE TODO find-perl58.sh
GPG=gpg
PGPSIGNKEY=0x4D1E900E14C1CC04

# ======================================================================
# Targets for builders/installers

all: $(SCRIPTNAME)

install: all install-bin install-man

install-bin: $(SCRIPTNAME)
	$(INSTALLPROG) -m $(BINPERM) $(INSTALLARGS) $(SCRIPTNAME) $(INSTALLROOT)$(PREFIX)/$(BINDIR)/./

# making the man-page is dependent upon files not distributed, so they're
# regenerated, so we don't list it as a dependency here -- instead we
# assume that the maintainer created it for us (as a tarball depenency)
install-man:
	$(INSTALLPROG) -m $(MANPERM) $(INSTALLARGS) $(MANPAGE) $(INSTALLROOT)$(PREFIX)/$(MANDIR)/$(MANSECTDIR)/./

bin $(SCRIPTNAME): $(SCRIPTDIST)
	$(SED) <"$(SCRIPTDIST)" >"$(SCRIPTNAME)" "1s:/.*:$(PERL5BIN):"
	$(CHMOD) +x "$(SCRIPTNAME)"

clean:
	$(RM) -f "./$(SCRIPTNAME)"

# This target is for GNU make but being defined here does not prevent BSD make
# from using this file (the target won't work on BSD, but that's okay).
# Where BSD lets you `make -V VARNAME` to print the value of a variable instead
# of building a target, this gives GNU make a target `print-VARNAME` to print
# the value.  I have so missed this when using GNU make.
#
# This rule comes from a comment on
#   <http://blog.jgc.org/2015/04/the-one-line-you-should-add-to-every.html>
# where the commenter provided the shell meta-character-safe version.
print-%: ; @echo '$(subst ','\'',$*=$($*))'

# ======================================================================
# Targets after here are for distributors

METAFILES= repo-generate .git/HEAD

dist: tarball pgpsig

# The presence of SCRIPTSRC and git rules breaks install from outside the git
# repository; we fix it by just ripping out the distributors section from the
# tarball Makefile.  So "makefile" in git and for use when making a release.
# "Makefile" for distribution.  BSD make prefers "makefile" to "Makefile", so
# we can still use distributor targets when both are present.
Makefile: makefile
	sed '/Targets after here are for distributors/,$$d' < makefile > Makefile

$(SCRIPTDIST): $(SCRIPTSRC) versionfile
	@echo "embedding version number into distribution form of script"
	./repo-generate versionfilter $(SCRIPTSRC) $(SCRIPTDIST)

# This can use non-portable commands, so shove into subdir
tarball: $(DISTFILES) versionfile $(METAFILES)
	@echo "checking copyright years up to date ..."
	./repo-generate copyright $(SCRIPTSRC) LICENSE
	pax -w -s ",^,$(TARPREFIX)-`cat versionfile`/," $(DISTFILES) > $(TARPREFIX)-`cat versionfile`.tar
	bzip2 -9 $(TARPREFIX)-`cat versionfile`.tar

pgpsig: tarball versionfile
	$(GPG) -a --detach-sign --default-key $(PGPSIGNKEY) $(TARPREFIX)-`cat versionfile`.tar.bz2

man $(MANPAGE): $(SCRIPTDIST) datefile versionfile
	pod2man -n "$(SCRIPTNAME)" -c '' -d "`cat datefile`" -r "`cat versionfile`" "$(SCRIPTDIST)" >"$(MANPAGE)"

# filter is against spammers (see README)
ChangeLog: $(METAFILES)
	./repo-generate changelog > ChangeLog

datefile versionfile: $(METAFILES)
	./repo-generate version > versionfile
	./repo-generate date > datefile

distclean: clean
	$(RM) -f "./$(MANPAGE)" ./ChangeLog ./versionfile ./datefile ./$(SCRIPTDIST) ./Makefile