Makefile.maint

# maintainer -*-Makefile-*-

SHELL = /bin/sh
MAKE = make

ACLOCAL = aclocal
AUTOMAKE = automake
AUTOCONF = autoconf
AUTOHEADER = autoheader
CP = cp
RM = rm -f

# ==================== Easily regeneratable files ====================

.PHONY : all
all : aclocal.m4 configures check-configures config-h-in Makefile-ins force
	cd avcall && $(MAKE) -f Makefile.maint all
	cd vacall && $(MAKE) -f Makefile.maint all
	cd trampoline && $(MAKE) -f Makefile.maint all
	cd callback && $(MAKE) -f Makefile.maint all


# Files originating from GNU libtool.

# It is important to get ltmain.sh and libtool.m4 from the same version of
# libtool. Don't rely on what's installed in /usr/share or similar.

.PHONY : libtool-imported-files
libtool-imported-files : force
	test -n "$(LIBTOOL_RELEASE)" || { echo "Variable LIBTOOL_RELEASE not set." 1>&2; exit 1; }
	test -f "$(LIBTOOL_RELEASE)" || { echo "File $(LIBTOOL_RELEASE) does not exist." 1>&2; exit 1; }
	rm -rf libtool.tmp
	mkdir libtool.tmp
	gzip -d -c < "$(LIBTOOL_RELEASE)" | (cd libtool.tmp && tar -xf -)
	test -d build-aux || mkdir build-aux
	for destfile in m4/libtool.m4 m4/ltoptions.m4 m4/ltsugar.m4 m4/ltversion.m4 m4/lt~obsolete.m4 build-aux/ltmain.sh; do \
	  name=`echo $$destfile | sed -e 's|^.*/||'`; \
	  srcfile=`find libtool.tmp -name $$name -print | sed 1q`; \
	  if test -n "$$srcfile"; then \
	    if test -f $$destfile && cmp "$$srcfile" $$destfile > /dev/null; then \
	      : ; \
	    else \
	      mv "$$srcfile" $$destfile; \
	    fi; \
	  else \
	    echo "File $(LIBTOOL_RELEASE) does not contain the expected files of a libtool release." 1>&2; \
	    exit 1; \
	  fi; \
	done
	rm -rf libtool.tmp
	chmod u+w build-aux/ltmain.sh
	patch build-aux/ltmain.sh < libtool-patches/libtool-allow-static.diff
	chmod u+w build-aux/ltmain.sh m4/libtool.m4

.PHONY : libtool-clean
libtool-clean : force
	$(RM) m4/libtool.m4 build-aux/ltmain.sh


# Files brought in by gnulib-tool.

GNULIB_MODULES = \
  ansi-c++-opt \
  host-cpu-c-abi \
  nocrash \
  stdint-h \
  stdnoreturn-h \
  libffcall-imports

gnulib-m4/gnulib-cache.m4 :
	if test -n "$$GNULIB_TOOL"; then \
	  $$GNULIB_TOOL \
	    --local-dir=gnulib-local \
	    --source-base=gnulib-lib --m4-base=gnulib-m4 --aux-dir=build-aux \
	    --gpl=2 --libtool --conditional-dependencies --no-changelog \
	    --import $(GNULIB_MODULES); \
	fi

GNULIB_FILES = \
  m4/mmap-anon.m4

.PHONY : gnulib-imported-files
gnulib-imported-files : force
	if test -n "$$GNULIB_TOOL"; then \
	  for file in $(GNULIB_FILES); do \
	    $$GNULIB_TOOL --copy-file $$file || exit $$?; \
	  done; \
	fi
# Get up-to-date versions of files imported from https://git.savannah.gnu.org/gitweb/?p=automake.git;a=tree;f=lib via gnulib.
	if test -n "$$GNULIB_TOOL"; then \
	  for file in ar-lib compile install-sh; do \
	    $$GNULIB_TOOL --copy-file build-aux/$$file || exit $$?; \
	    chmod a+x build-aux/$$file || exit $$?; \
	  done; \
	fi
# Get up-to-date versions of files imported from https://git.savannah.gnu.org/gitweb/?p=config.git;a=tree via gnulib.
	if test -n "$$GNULIB_TOOL"; then \
	  for file in config.guess config.sub; do \
	    $$GNULIB_TOOL --copy-file build-aux/$$file || exit $$?; \
	    chmod a+x build-aux/$$file || exit $$?; \
	  done; \
	fi
# Get up-to-date version of INSTALL.generic.
	if test -n "$$GNULIB_TOOL"; then \
	  $$GNULIB_TOOL --copy-file doc/INSTALL.UTF-8 INSTALL.generic || exit $$?; \
	fi

.PHONY : gnulib-clean
gnulib-clean : force
# Move gnulib-m4/gnulib-cache.m4 away, so that the target 'gnulib-m4/gnulib-cache.m4' will actually do something.
	if test -f gnulib-m4/gnulib-cache.m4; then \
	  mv gnulib-m4/gnulib-cache.m4 gnulib-m4/gnulib-cache.m4~; \
	fi
# No need to remove the stale files. gnulib-tool does this itself, thanks to gnulib-m4/gnulib-comp.m4.
#	rm -rf gnulib-m4


# Files generated by GNU Autoconf and GNU Automake.

AUTOCONF_CACHE = autom4te.cache

ALL_CONFIGURE = configure
ALL_CONFIGURE_AC = configure.ac

aclocal.m4 : $(ALL_CONFIGURE_AC) $(wildcard m4/*.m4) $(wildcard gnulib-m4/*.m4)
	$(ACLOCAL) --output=aclocal.m4

.PHONY : configures
configures : $(ALL_CONFIGURE)

AUTOCONF_FILES = aclocal.m4 $(wildcard m4/*.m4) $(wildcard gnulib-m4/*.m4)

configure : configure.ac $(AUTOCONF_FILES)
	$(AUTOCONF) && rm -rf autom4te.cache

.PHONY : check-configures
check-configures : $(ALL_CONFIGURE)
	set -e; for f in $(ALL_CONFIGURE); do bash -x -n $$f; done


ALL_CONFIG_H_IN = config.h.in

.PHONY : config-h-in
config-h-in : $(ALL_CONFIG_H_IN)

config.h.in : configure.ac $(AUTOCONF_FILES)
	srcdir=`pwd`; $(AUTOHEADER) --include="$$srcdir" && rm -rf autom4te.cache


ALL_MAKEFILE_IN_FROM_AM = gnulib-lib/Makefile.in

.PHONY: Makefile-ins
Makefile-ins : $(ALL_MAKEFILE_IN_FROM_AM)

gnulib-lib/Makefile.in : gnulib-lib/Makefile.am configure.ac $(AUTOCONF_FILES)
	: "Make sure we get new versions of files brought in by automake."
	(cd build-aux && rm -f depcomp missing)
	$(AUTOMAKE) --add-missing --copy && rm -rf autom4te.cache


# ==================== Cleanup ====================

.PHONY : totally-clean
totally-clean : force
	cd avcall && $(MAKE) -f Makefile.maint totally-clean
	cd vacall && $(MAKE) -f Makefile.maint totally-clean
	cd trampoline && $(MAKE) -f Makefile.maint totally-clean
	cd callback && $(MAKE) -f Makefile.maint totally-clean
	rm -f $(ALL_CONFIGURE) $(ALL_CONFIG_H_IN)
	rm -f aclocal.m4
	rm -rf `find . -name $(AUTOCONF_CACHE) -print`


force :