# gpg4win.m4.in - Installer for GnuPG 4 Windows Makefile.   -*- makefile -*-
# Copyright (C) 2005 g10 Code GmbH
# 
# This file is part of GPG4Win.
# 
# GPG4Win is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# 
# GPG4Win is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA


# No servicable parts below this line :)


# These paths must be absolute, as we switch directories pretty often.
root := $(shell pwd)/playground
bdir := $(root)/build
idir := $(root)/install
ipdir := $(root)/install/pkgs
tsdir := $(shell pwd)/${top_srcdir}
pdir := $(shell pwd)/${top_srcdir}/patches


# The playground area is our scratch area, where we unpack, build and
# install the packages.
stamps/stamp-directories:
	$(MKDIR) stamps
	$(MKDIR) playground
	$(MKDIR) $(bdir)
	$(MKDIR) $(idir)
	$(MKDIR) $(ipdir)
	touch $(bdir)/versioninfo.txt
	touch stamps/stamp-directories


# Frob the name $1 by converting all '-' and '+' characters to '_'.
define FROB_macro
$(subst +,_,$(subst -,_,$(1)))
endef

# Get the variable $(1) (which may contain '-' and '+' characters).
define GETVAR
$($(call FROB_macro,$(1)))
endef

# Set a couple of common variables.
define SETVARS
	pkg="$(call GETVAR,gpg4win_pkg_$(1))";				\
	pkg_version="$(1)-$(call GETVAR,gpg4win_pkg_$(1)_version)";	\
	pkgsdir="$(bdir)/$$$${pkg_version}";				\
	pkgbdir="$(bdir)/$$$${pkg_version}-build";			\
	pkgpdir="$(pdir)/$$$${pkg_version}";				\
	pkgidir="$(ipdir)/$$$${pkg_version}";				\
	pkg_dev="$(call GETVAR,gpg4win_pkg_$(1)_dev)";			\
	pkg_version_dev="$(1)-dev-$(call GETVAR,gpg4win_pkg_$(1)_version)"; \
	pkgidir_dev="$(ipdir)/$$$${pkg_version_dev}";			\
	pkgcfg="$(call GETVAR,gpg4win_pkg_$(1)_configure)";		\
	pkgmkargs="$(call GETVAR,gpg4win_pkg_$(1)_make_args)";          \
	pkgmkargs_inst="$(call GETVAR,gpg4win_pkg_$(1)_make_args_inst)";\
	export PKG_CONFIG="$(tsdir)/src/pkg-config";			\
	export PKG_CONFIG_PATH="$(idir)/lib/pkgconfig";			\
	export SYSROOT="$(idir)";					\
	export CONFIG_SITE="$(tsdir)/src/config.site"
endef

# Support macro.  Record version number of file $(1).
define VERSIONINFO_macro
         $(SHA1SUM) "$(1)" >> "$(bdir)/versioninfo.txt" 
endef

# Support macro.  Unpack the archive $(1).
define DEFLATE_macro
	case "$(1)" in			\
          */gnupg2-2.*.tar.bz2)          \
            $(TAR) -xj --transform='s,^gnupg-,gnupg2-,' -f "$(1)" ;; \
	  *.tar.gz | *.tgz)		\
	    $(TAR) xzf "$(1)" ;;	\
	  *.tar.bz2 | *.tbz2 | *.tbz)	\
	    $(TAR) xjf "$(1)" ;;	\
	  *.zip)			\
	    $(UNZIP) -o "$(1)" ;;		\
	esac
endef

# Support macro.  Strip all exe files below $(1).
define STRIP_macro
	if test -z '$(DEBUG)'; then			\
	  (cd $(1);					\
	   for f in `find . -name \*.exe -o -name \*.dll`; do		\
	   echo Calling $(STRIP) "$$$${pkg_version}/$$$${f}"; \
	   $(STRIP) "$$$${f}"; done);			\
	fi
endef


# Template for source packages.

define SPKG_template

stamps/stamp-$(1)-00-unpack: stamps/stamp-directories 
	(cd $(bdir);					\
	 $(call SETVARS,$(1));				\
	 $(call VERSIONINFO_macro,$$$${pkg});           \
	 $(call DEFLATE_macro,$$$${pkg}))
	touch stamps/stamp-$(1)-00-unpack

stamps/stamp-$(1)-01-patch: stamps/stamp-$(1)-00-unpack
	(shopt -s nullglob;				\
	 $(call SETVARS,$(1));				\
	 for pfile in "$$$${pkgpdir}"/*.patch ; do	\
	   (cd "$$$${pkgsdir}"; "$$$${pfile}")		\
	 done)
	touch stamps/stamp-$(1)-01-patch

stamps/stamp-$(1)-02-configure: stamps/stamp-$(1)-01-patch
	($(call SETVARS,$(1));				\
	 mkdir "$$$${pkgbdir}";				\
	  cd "$$$${pkgbdir}";				\
	 "$$$${pkgsdir}/configure"			\
		--prefix="$$$${pkgidir}"		\
		--host=$(host_cpu)-$(host_os)		\
		--build=$(build_cpu)-$(build_os)	\
		$$$${pkgcfg} CFLAGS=-mms-bitfields)
	touch stamps/stamp-$(1)-02-configure

stamps/stamp-$(1)-03-make: stamps/stamp-$(1)-02-configure
	($(call SETVARS,$(1));				\
	  cd "$$$${pkgbdir}";				\
	  $(MAKE) $(AM_MAKEFLAGS) $$$${pkgmkargs})
	touch stamps/stamp-$(1)-03-make

# Note that post_install must come last because it may be empty and
# "; ;" is a syntax error.
stamps/stamp-$(1)-04-install: stamps/stamp-$(1)-03-make
	($(call SETVARS,$(1));				\
	  cd "$$$${pkgbdir}";				\
	  $(MAKE) $(AM_MAKEFLAGS) $$$${pkgmkargs_inst} install; \
	  $(call STRIP_macro,"$$$${pkgidir}"); \
	  $(call gpg4win_pkg_$(call FROB_macro,$(1))_post_install))
	touch stamps/stamp-$(1)-04-install

stamps/stamp-$(1)-05-stow: stamps/stamp-$(1)-04-install
	($(call SETVARS,$(1));				\
	 cd $(ipdir);					\
	 $(STOW) "$$$${pkg_version}")
	touch stamps/stamp-$(1)-05-stow

stamps/stamp-final-$(1): stamps/stamp-$(1)-05-stow
	touch stamps/stamp-final-$(1)

.PHONY : clean-$(1)
clean-$(1):
	($(call SETVARS,$(1));				\
	 (cd $(ipdir) &&				\
	  ($(STOW) -D "$$$${pkg_version}";		\
	   rm -fR "$$$${pkg_version}"));		\
	 rm -fR "$$$${pkgsdir}" "$$$${pkgbdir}")
	rm -f stamps/stamp-final-$(1) stamps/stamp-$(1)-*

endef


# Template for source packages using only make and no build
# directory.

define MPKG_template

stamps/stamp-$(1)-00-unpack: stamps/stamp-directories 
	(cd $(bdir);					\
	 $(call SETVARS,$(1));				\
	 $(call VERSIONINFO_macro,$$$${pkg});           \
	 $(call DEFLATE_macro,$$$${pkg}))
	touch stamps/stamp-$(1)-00-unpack

stamps/stamp-$(1)-01-patch: stamps/stamp-$(1)-00-unpack
	(shopt -s nullglob;				\
	 $(call SETVARS,$(1));				\
	 for pfile in "$$$${pkgpdir}"/*.patch ; do	\
	   (cd "$$$${pkgsdir}"; "$$$${pfile}")		\
	 done)
	touch stamps/stamp-$(1)-01-patch

stamps/stamp-$(1)-03-make: stamps/stamp-$(1)-01-patch
	($(call SETVARS,$(1));				\
	  cd "$$$${pkgsdir}";				\
	  $(MAKE) $(AM_MAKEFLAGS) $$$${pkgmkargs})
	touch stamps/stamp-$(1)-03-make

stamps/stamp-$(1)-04-install: stamps/stamp-$(1)-03-make
	($(call SETVARS,$(1));				\
	  cd "$$$${pkgsdir}";				\
	  $(MAKE) $(AM_MAKEFLAGS) $$$${pkgmkargs_inst} install; \
	  $(call STRIP_macro,"$$$${pkgidir}"))
	touch stamps/stamp-$(1)-04-install

stamps/stamp-$(1)-05-stow: stamps/stamp-$(1)-04-install
	($(call SETVARS,$(1));				\
	 cd $(ipdir);					\
	 $(STOW) "$$$${pkg_version}")
	touch stamps/stamp-$(1)-05-stow

stamps/stamp-final-$(1): stamps/stamp-$(1)-05-stow
	touch stamps/stamp-final-$(1)

.PHONY : clean-$(1)
clean-$(1):
	($(call SETVARS,$(1));				\
	 (cd $(ipdir) &&				\
	  ($(STOW) -D "$$$${pkg_version}";		\
	   rm -fR "$$$${pkg_version}"));		\
	 rm -fR "$$$${pkgsdir}"
	rm -f stamps/stamp-final-$(1) stamps/stamp-$(1)-*

endef



# Template for binary packages.

define BPKG_template

stamps/stamp-$(1)-00-install: stamps/stamp-directories 
	($(call SETVARS,$(1));				\
	 $(MKDIR) "$$$${pkgidir}";			\
	 cd $$$${pkgidir};				\
	 $(call VERSIONINFO_macro,$$$${pkg});           \
	 $(call DEFLATE_macro,$$$${pkg}))
	touch stamps/stamp-$(1)-00-install

# Note that post_install must come last because it may be empty and
# "; ;" is a syntax error.
stamps/stamp-$(1)-01-install-dev: stamps/stamp-$(1)-00-install
	($(call SETVARS,$(1));				\
	 $(MKDIR) "$$$${pkgidir_dev}";			\
	 (cd $$$${pkgidir_dev};				\
          $(call VERSIONINFO_macro,$$$${pkg_dev});      \
	  $(call DEFLATE_macro,$$$${pkg_dev}));		\
	 $(call gpg4win_pkg_$(call FROB_macro,$(1))_post_install))
	touch stamps/stamp-$(1)-01-install-dev

stamps/stamp-$(1)-02-stow: stamps/stamp-$(1)-01-install-dev
	($(call SETVARS,$(1));				\
	 cd $(ipdir);					\
	 $(STOW) "$$$${pkg_version}")
	touch stamps/stamp-$(1)-02-stow

stamps/stamp-$(1)-03-stow-dev: stamps/stamp-$(1)-02-stow
	($(call SETVARS,$(1));				\
	 cd $(ipdir);					\
	 $(STOW) "$$$${pkg_version_dev}")
	touch stamps/stamp-$(1)-03-stow-dev

stamps/stamp-final-$(1): stamps/stamp-$(1)-03-stow-dev
	touch stamps/stamp-final-$(1)

.PHONY : clean-$(1)
clean-$(1):
	($(call SETVARS,$(1));				\
	 cd $(ipdir) &&					\
	 ($(STOW) -D "$$$${pkg_version}";		\
	   rm -fR "$$$${pkg_version}"))
	rm -f stamps/stamp-final-$(1) stamps/stamp-$(1)-*

endef


# Template for source packages.

define IPKG_template

stamps/stamp-final-$(1): stamps/stamp-directories 
	touch stamps/stamp-final-$(1)
endef


# Insert the template for each source package.
$(foreach spkg, $(gpg4win_spkgs), $(eval $(call SPKG_template,$(spkg))))

# Insert the template for each make only source package.
$(foreach mpkg, $(gpg4win_mpkgs), $(eval $(call MPKG_template,$(mpkg))))

# Insert the template for each binary package.
$(foreach bpkg, $(gpg4win_bpkgs), $(eval $(call BPKG_template,$(bpkg))))

# Insert the template for each internal package.
$(foreach ipkg, $(gpg4win_ipkgs), $(eval $(call IPKG_template,$(ipkg))))

stamps/stamp-final: stamps/stamp-directories
stamps/stamp-final: $(addprefix stamps/stamp-final-,$(gpg4win_build_list))
	touch stamps/stamp-final

all-gpg4win: stamps/stamp-final

# Just to check if we catched all stamps.
clean-stamps:
	$(RM) -fR $(stamps)

clean-gpg4win:
	$(RM) -fR playground stamps

.PHONY : all-gpg4win clean-stamps clean-gpg4win