Simple implementation of the 'dist' rule

This is for better compatibility with automake-generated makefiles.
It generates a distribution tar file.

NEWS

@@ -0,0 +1,7 @@
+v0.1            This is the first official release of make-it-quick.
+
+    This alpha-quality version provides most of the basic functions I
+    think are useful to develop C / C++ software on Linux and macOS. This
+    was not extensively tested on any other platform at this point,
+    although some effort was made to ensure it would not be gratuitously
+    broken.

config.gnu.mk

@@ -39,6 +39,26 @@ UNINSTALL_DIR=	/bin/rmdir > /dev/null 2>&1
 UNINSTALL_OK=	|| true
 CAT=		cat /dev/null
 
+# Tarball generation
+GEN_TARBALL=	mkdir $(MIQ_TARNAME) &&				\
+		tar cf - AUTHORS NEWS $(shell git ls-files)  |	\
+		(cd $(MIQ_TARNAME); tar xf - ) &&		\
+		tar cfj $@ $(MIQ_TARNAME) &&			\
+		rm -rf $(MIQ_TARNAME)
+
+GEN_AUTHORS=	(echo "This software was brought to you by:";	\
+	         echo "" ;					\
+		 git log --format='%aN <%aE>' | sort -u |	\
+		 sed -e 's/^/- /g';				\
+		 echo ""; 					\
+		 echo "Thank you!")
+GEN_NEWS=	grep '^$(shell git tag -l)' $@ || 		\
+		(touch $@;					\
+		  (git tag -l $(shell git describe) -n999 ;	\
+		  echo "";					\
+		  cat $@)					\
+		  > $@.latest && mv $@.latest $@)
+
 
 #------------------------------------------------------------------------------
 #  Compilation flags

config.mk

@@ -61,8 +61,9 @@ NOT_PARALLEL?=  .NOTPARALLEL
 # Git revision for the current code
 GIT_REVISION:=  $(shell git rev-parse --short HEAD 2> /dev/null || echo "unknown")
 
-# Product version defaults to package version
-PRODUCTS_VERSION?=$(PACKAGE_VERSION)
+# Extract defaults for package name and version if not set
+PACKAGE_NAME?=$(firstword $(PRODUCTS) $(notdir $(shell pwd)))
+PACKAGE_VERSION?=$(shell (git describe --always --match 'v[0-9].*' | sed -e 's/^v//') || echo unknown)
 
 # Package installation directory
 PACKAGE_DIR?=$(PACKAGE_NAME:%=%/)

rules.mk

@@ -161,6 +161,9 @@ MIQ_INDEX:=     1
 MIQ_COUNT:=     $(words $(MIQ_SOURCES))
 MIQ_PROFOUT:=	$(subst $(EXE_EXT),,$(MIQ_OUTEXE))_prof_$(GIT_REVISION).vsp
 
+MIQ_TARNAME=	$(PACKAGE_NAME)-$(PACKAGE_VERSION)
+MIQ_TARBALL=	$(MIQ_TARNAME).tar.bz2
+
 ifeq (3.80,$(firstword $(sort $(MAKE_VERSION) 3.80)))
 MIQ_ORDERONLY=|
 endif
@@ -192,8 +195,16 @@ clean: $(SUBDIRS:%=%.clean) $(VARIANTS:%=%.variant-clean)
 %.variant-clean:
 	$(PRINT_COMMAND) $(MIQ_RECURSE) VARIANT=$* VARIANTS= clean $(COLORIZE)
 
+dist:	$(MIQ_TARBALL)
+$(MIQ_TARBALL): AUTHORS NEWS
+	$(PRINT_GENERATE) $(GEN_TARBALL)
+AUTHORS: .ALWAYS
+	$(PRINT_GENERATE) $(GEN_AUTHORS) > $@
+NEWS: .ALWAYS
+	$(PRINT_GENERATE) $(GEN_NEWS)
+
 distclean nuke: clean
-	-$(PRINT_CLEAN) rm -rf $(MIQ_OUTPRODS) $(OBJFILES) $(LOGS)
+	-$(PRINT_CLEAN) rm -rf $(MIQ_OUTPRODS) $(OBJFILES) $(LOGS) $(MIQ_TARBALL)
 
 help:
 	@$(ECHO) "Available targets:"