.gitignore, Makefile: Add targets to create distribution tarballs

Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>

1 files changed, 43 insertions, 4 deletions

diff --git a/Makefile b/Makefile
index 33d52c0..9f72e7f 100644
--- a/Makefile
+++ b/Makefile
@@ -4,10 +4,13 @@ MAKEFLAGS += --no-print-directory
 MAKEFLAGS += --warn-undefined-variables
 
 
-package := grepc
+package     := grepc
+DISTVERSION := $(shell git describe 2>/dev/null)
+DISTNAME    := $(package)-$(DISTVERSION)
 
 
 srcdir      := .
+builddir    := tmp
 DESTDIR     :=
 prefix      := /usr/local
 exec_prefix := $(prefix)
@@ -33,13 +36,15 @@ BINDIRS      := $(sort $(shell find $(BINDIR) -type d))
 DOCDIRS      := $(sort $(shell find $(DOCDIR) -type d))
 MANDIRS      := $(sort $(shell find $(MANDIR) -type d))
 
+_DIRS        := $(sort $(builddir))
+
 _bindirs     := $(patsubst $(srcdir)/%,$(_exec_prefix)/%,$(BINDIRS))
 _docdirs     := $(patsubst $(srcdir)/%,$(_prefix)/%,$(DOCDIRS))
 _mandirs     := $(patsubst $(srcdir)/%,$(_prefix)/%,$(MANDIRS))
 
-_dirs      := $(sort $(_bindir) $(_docdir) $(_mandir))
-_alldirs   := $(sort $(_bindirs) $(_docdirs) $(_mandirs))
-_subdirs   := $(filter-out $(_dirs),$(_alldirs))
+_dirs        := $(sort $(_bindir) $(_docdir) $(_mandir))
+_alldirs     := $(sort $(_bindirs) $(_docdirs) $(_mandirs))
+_subdirs     := $(filter-out $(_dirs),$(_alldirs))
 
 
 BIN      := $(sort $(shell find $(BINDIR) -type f))
@@ -61,6 +66,7 @@ INSTALL         := install
 INSTALL_DIR     := $(INSTALL) -d
 INSTALL_PROGRAM := $(INSTALL)
 INSTALL_DATA    := $(INSTALL) -m 644
+MKDIR           := mkdir -p
 RM              := rm
 
 
@@ -70,6 +76,11 @@ installdirs := $(foreach x,$(modules),installdirs-$(x))
 uninstall   := $(addprefix un,$(install))
 
 
+DISTFILE    := $(builddir)/$(DISTNAME).tar
+compression := gz xz
+dist        := $(foreach x,$(compression),dist-$(x))
+
+
 .PHONY: all
 all:
 
@@ -77,6 +88,9 @@ all:
 .PHONY: install     $(install)
 .PHONY: installdirs $(installdirs)
 .PHONY: uninstall   $(uninstall)
+.PHONY: dist        $(dist)
+.PHONY: dist-tar
+.PHONY: clean
 
 
 .SECONDEXPANSION:
@@ -87,6 +101,9 @@ installdirs:    $(installdirs)
 $(installdirs): installdirs-%: $$(_%dirs)
 uninstall:      $(uninstall)
 $(uninstall):   uninstall-%:   $$(_%_rm)
+dist:           $(dist)
+$(dist):        dist-%:        $(DISTFILE).%
+dist-tar:       $(DISTFILE)
 
 
 $(_prog): $(_exec_prefix)/%: $(srcdir)/% Makefile | $$(@D)
@@ -97,6 +114,20 @@ $(_data): $(_prefix)/%: $(srcdir)/% Makefile | $$(@D)
 	$(info INSTALL	$@)
 	$(INSTALL_DATA) -T $< $@
 
+$(DISTFILE): $(shell git ls-files 2>/dev/null) Makefile | $$(@D)
+	$(info TAR	$@)
+	tar cf $@ -T /dev/null
+	git ls-files \
+	| xargs tar rf $@
+
+$(DISTFILE).gz: %.gz: % Makefile
+	$(info GZIP	$@)
+	gzip -knf $<
+
+$(DISTFILE).xz: %.xz: % Makefile
+	$(info XZ	$@)
+	xz -kf $<
+
 $(_subdirs): | $$(@D)
 	$(info INSTALL	$@/)
 	$(INSTALL_DIR) $@
@@ -105,10 +136,18 @@ $(_dirs):
 	$(info INSTALL	$@/)
 	$(INSTALL_DIR) $@
 
+$(_DIRS):
+	$(info MKDIR	$@/)
+	$(MKDIR) $@
+
 %-rm:
 	$(info RM	$*)
 	$(RM) $*
 
+clean:
+	$(info RM -rf	$(builddir))
+	$(RM) -rf $(builddir)
+
 
 V :=
 $(V).SILENT: