maintMakefile

# Maintainer-only makefile segment.  This contains things that are relevant
# only if you have the full copy of the GNU make sources from the Git
# tree, not a dist copy.

# --------------------- #
# Updating everything.  #
# --------------------- #

.PHONY: update

#: update everything
update:

BUGLIST := bug-make@gnu.org

# These are related to my personal setup.
GPG_KEYID := 80CB727A20C79BB2

# SRCROOTDIR is just a handy location to keep source files in
SRCROOTDIR ?= $(HOME)/src

# Where the gnulib project has been locally cloned
GNULIBDIR ?= $(SRCROOTDIR)/gnulib

# Where to put the CVS checkout of the GNU web repository
GNUWEBDIR ?= $(SRCROOTDIR)/gnu-www

# Where to put the CVS checkout of the GNU make web repository
MAKEWEBDIR ?= $(SRCROOTDIR)/make/make-web

# Enable Perl warnings for the test suite
# PERLFLAGS := -w
# rocky: GNU Make's tests/run_make_tests.pl as distributed in 4.3 gives
# "variable used once" warnings. Rather than try to improve this Perl program
# as distributed in GNU Make, we'll squelch the warnings.
PERLFLAGS ?=

# We like mondo-warnings!
# Also force comments to be preserved.  This helps when using ccache, in
# combination with GCC 7's implicit-fallthrough warning.

# Unfortunately the Guile headers are sometimes broken.  Convince GCC
# to treat them as system headers so warnings are ignored.
GUILE_CFLAGS := $(patsubst -I%,-isystem %,$(GUILE_CFLAGS))

MAKE_MAINTAINER_MODE := -DMAKE_MAINTAINER_MODE
AM_CPPFLAGS += $(MAKE_MAINTAINER_MODE)

# I want this one but I have to wait for the const cleanup!
# -Wwrite-strings

# Find the glob source files... this might be dangerous, but we're maintainers!
globsrc := $(wildcard glob/*.c)
globhdr := $(wildcard glob/*.h)

TEMPLATES = README

all: $(TEMPLATES)

#: Create preprocessor output files--GCC specific!
%.i : %.c
	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) -E -dD -o $@ $<

#: General rule for turning a .template into a regular file.
$(TEMPLATES) : % : %.template Makefile
	rm -f $@
	sed -e 's@%VERSION%@$(MAKE_VERSION)@g' \
	    -e 's@%PACKAGE%@$(PACKAGE)@g' \
	  $< > $@
	chmod a-w $@

# Construct Makefiles by adding on dependencies, etc.
#
cvt = $(patsubst $1/%,$$($1)%,$(filter %.c,$2))
Basic.mk: Basic.mk.template .dep_segment Makefile
	rm -f $@
	sed -e 's@%MAKE_VERSION%@$(MAKE_VERSION)@g' \
	    -e 's@%make_SOURCES%@$(call cvt,src,$(make_SRCS))@g' \
	    -e 's@%loadavg_SOURCES%@$(call cvt,lib,$(loadavg_SRCS))@g' \
	    -e 's@%alloca_SOURCES%@$(call cvt,lib,$(alloca_SRCS))@g' \
	    -e 's@%glob_SOURCES%@$(call cvt,lib,$(glob_SRCS))@g' \
	  $< > $@
	echo >>$@; echo '# --------------- DEPENDENCIES' >>$@; echo '#' >>$@; \
	sed -e 's@^\([^ ]*\)\.o:@$$(OUTDIR)\1.$$(OBJEXT):@' \
	    -e 's@\([^ ]*\.[ch]\)@$$(SRCDIR)/\1@g' \
	    -e 's@$$(SRCDIR)/src/config.h@$$(OUTDIR)src/config.h@g' \
	    -e 's@$$(SRCDIR)/lib/stdlib.h@@g' \
	    -e 's@$$(SRCDIR)/lib/sys/types.h@@g' \
	    -e 's@$$(SRCDIR)/lib/unistd.h@@g' \
	  $(word 2,$^) >>$@
	chmod a-w $@

build.sh.in: build.template Makefile
	rm -f $@
	sed -e 's@%objs%@$(patsubst %.o,%.$${OBJEXT},$(filter-out remote-%,$(make_OBJECTS)))@g' \
	    -e 's@%globobjs%@$(patsubst %.c,%.$${OBJEXT},$(globsrc))@g' \
	$< > $@
	chmod a-w+x $@


# Use automake to build a dependency list file, for Makebase.mk.
#
# Automake used to have a --generate-deps flag but it's gone now, so we have
# to do it ourselves.
#
DEP_FILES := $(wildcard src/$(DEPDIR)/*.Po)
.dep_segment: Makefile.am maintMakefile $(DEP_FILES)
	rm -f $@
	(for f in src/$(DEPDIR)/*.Po; do \
	   echo ""; \
	   echo "# $$f"; \
	   sed	-e '/^[^:]*\.[ch] *:/d' \
		-e 's, /usr/[^ ]*,,g' \
		-e 's, $(srcdir)/, ,g' \
		-e '/^ *\\$$/d' \
		-e '/^ *$$/d' \
		< $$f; \
	 done) > $@

# Cleaning

GIT :=	git

.PHONY: git-clean git-very-clean

#: Clean all "ignored" files.  Leave untracked files.
git-clean:
	-$(GIT) clean -fdX

#: Clean all files that aren't stored in source control.
git-very-clean: git-clean
	-$(GIT) clean -fd


## ---------------------- ##
## Generating ChangeLog.  ##
## ---------------------- ##

# rocky: we use our own routine here:
# gl2cl-date := 2013-10-10
# gl2cl := $(GNULIBDIR)/build-aux/gitlog-to-changelog

# # Rebuild the changelog whenever a new commit is added
# ChangeLog: .check-git-HEAD
# 	if test -f '$(gl2cl)'; then \
# 	    '$(gl2cl)' --since='$(gl2cl-date)' > '$@'; \
# 	else \
# 	    echo "WARNING: $(gl2cl) is not available.  No $@ generated."; \
# 	fi

.PHONY: .check-git-HEAD
.check-git-HEAD:
	sha="`git rev-parse HEAD`"; \
	[ -f '$@' ] && [ "`cat '$@' 2>/dev/null`" = "$$sha" ] \
	    || echo "$$sha" > '$@'


## ---------------- ##
## Updating files.  ##
## ---------------- ##
RSYNC = rsync -Lrtvz
WGET = wget --passive-ftp -np -nv
ftp-gnu = ftp://ftp.gnu.org/gnu

move_if_change =  if test -r $(target) && cmp -s $(target).t $(target); then \
		    echo $(target) is unchanged; rm -f $(target).t; \
		  else \
		    mv -f $(target).t $(target); \
		  fi

# ------------------- #
# Updating PO files.  #
# ------------------- #

# NOTE: In GNU Make this is handled by the bootstrap script now. In remake, we still use this.

update: po-check

# PO archive mirrors --- Be careful; some might not be fully populated!
#   ftp://ftp.unex.es/pub/gnu-i18n/po/maint/
#   http://translation.sf.net/maint/
#   ftp://tiger.informatik.hu-berlin.de/pub/po/maint/

po_wget_flags =	--recursive --level=1 --no-directories --no-check-certificate
po_repo = https://translationproject.org/latest/$(MAKE_PACKAGE)
po_sync = translationproject.org::tp/latest/$(MAKE_PACKAGE)/

.PHONY: do-po-update po-update
do-po-update:
	tmppo="/tmp/po-$(MAKE_PACKAGE)-$(MAKE_VERSION).$$$$" \
	  && rm -rf "$$tmppo" \
	  && mkdir "$$tmppo" \
	  && $(RSYNC) $(po_sync)  "$$tmppo" \
	  && cp "$$tmppo"/*.po $(top_srcdir)/po \
	  && rm -rf "$$tmppo"
	cd po && $(MAKE) update-po
	$(MAKE) po-check

#: Pull in translation files from https://translationproject.org
po-update:
	[ -d "po" ] && $(MAKE) do-po-update

# -------------------------- #
# Updating GNU build files.  #
# -------------------------- #

# Note: this is handled by the bootstrap script now
#update: scm-update

.PHONY: scm-update
scm-update: get-build-aux/texinfo.tex get-build-aux/config.guess \
		get-build-aux/config.sub get-doc/make-stds.texi get-doc/fdl.texi

# The following pseudo table associates a local directory and a URL
# with each of the files that belongs to some other package and is
# regularly updated from the specified URL.

cvs-url = https://savannah.gnu.org/cgi-bin/viewcvs/~checkout~
git-url = https://git.savannah.gnu.org/cgit
target = $(patsubst get-%,%,$@)

config-url = $(git-url)/config.git/plain/$(patsubst get-build-aux/%,%,$@)
get-build-aux/config.guess get-build-aux/config.sub:
	@echo $(WGET) $(config-url) -O $(target) \
	  && $(WGET) $(config-url) -O $(target).t \
	  && $(move_if_change)

gnulib-url = $(git-url)/gnulib.git/plain/build-aux/$(patsubst get-build-aux/%,%,$@)
get-build-aux/texinfo.tex:
	@echo $(WGET) $(gnulib-url) -O $(target) \
	  && $(WGET) $(gnulib-url) -O $(target).t \
	  && $(move_if_change)

gnustandards-url = $(cvs-url)/gnustandards/gnustandards/$(patsubst get-doc/%,%,$@)
get-doc/make-stds.texi get-doc/fdl.texi:
	@echo $(WGET) $(gnustandards-url) -O $(target) \
	  && $(WGET) $(gnustandards-url) -O $(target).t \
	  && $(move_if_change)


# ---------------------------------- #
# Alternative configuration checks.  #
# ---------------------------------- #

CFGCHECK_CONFIGFLAGS =
CFGCHECK_BUILDFLAGS  =
CFGCHECK_MAKEFLAGS   = CFLAGS='$(AM_CFLAGS)'

checkcfg.strict-c90:  CFGCHECK_CONFIGFLAGS = CFLAGS='-std=c90 -pedantic'
checkcfg.strict-c90:  CFGCHECK_MAKEFLAGS   =

checkcfg.no-jobserver:CFGCHECK_CONFIGFLAGS = --disable-job-server
checkcfg.no-load:     CFGCHECK_CONFIGFLAGS = --disable-load
checkcfg.no-guile:    CFGCHECK_CONFIGFLAGS = --without-guile
checkcfg.no-spawn:    CFGCHECK_CONFIGFLAGS = --disable-posix-spawn
checkcfg.no-sysglob:  CFGCHECK_CONFIGFLAGS = make_cv_sys_gnu_glob=no
checkcfg.no-loadavg:  CFGCHECK_CONFIGFLAGS = ac_cv_func_getloadavg=no \
	                                     ac_cv_have_decl_getloadavg=no \
                                             gl_cv_have_raw_decl_getloadavg=no \
                                             ac_cv_lib_util_getloadavg=no \
                                             ac_cv_lib_getloadavg_getloadavg=no
checkcfg.no-sync:     CFGCHECK_CONFIGFLAGS = CPPFLAGS=-DNO_OUTPUT_SYNC
checkcfg.no-archives: CFGCHECK_CONFIGFLAGS = CPPFLAGS=-DNO_ARCHIVES

CONFIG_CHECKS := \
	checkcfg.strict-c90 \
	checkcfg.no-jobserver \
	checkcfg.no-load \
	checkcfg.no-guile \
	checkcfg.no-spawn \
	checkcfg.no-sysglob \
	checkcfg.no-loadavg \
	checkcfg.no-sync \
	checkcfg.no-archives

.PHONY: check-alt-config
check-alt-config: $(CONFIG_CHECKS)

# Trick GNU make so it doesn't run the submake as a recursive make.
NR_MAKE = $(MAKE)

# Check builds both with build.sh and with make
$(CONFIG_CHECKS): checkcfg.%: distdir
	@echo "Building $@ (output in checkcfg.$*.log)"
	exec >'checkcfg.$*.log' 2>&1; \
	   echo "Testing configure with $(CFGCHECK_CONFIGFLAGS)"; set -x; \
	   rm -rf $(distdir)/_build \
	&& mkdir $(distdir)/_build \
	&& cd $(distdir)/_build \
	&& ../configure --srcdir=.. $(CFGCHECK_CONFIGFLAGS) \
		$(AM_DISTCHECK_CONFIGURE_FLAGS) $(DISTCHECK_CONFIGURE_FLAGS)
	exec >>'checkcfg.$*.log' 2>&1; set -x; \
	   cd $(distdir)/_build \
	&& OUTDIR=_bld ../build.sh $(CFGCHECK_BUILD_FLAGS) \
	&& _bld/make $(AM_MAKEFLAGS) check-local \
	&& _bld/make $(AM_MAKEFLAGS) clean
	exec >>'checkcfg.$*.log' 2>&1; set -x; \
	   cd $(distdir)/_build \
	&& $(NR_MAKE) $(AM_MAKEFLAGS) $(CFGCHECK_MAKEFLAGS) \
	&& ./make $(AM_MAKEFLAGS) check \
	&& ./make $(AM_MAKEFLAGS) clean

# Try using Basic.mk.  I can't test this on POSIX systems because it is only
# used for non-POSIX systems; POSIX systems can just use normal
# configure/Makefile.in etc.
checkcfg.basicmk: checkcfg.% : distdir
	@echo "Building $@ (output in checkcfg.$*.log)"
	exec >'checkcfg.$*.log' 2>&1; \
	   echo "Testing Basic.mk SRCDIR=.."; set -x; \
	   rm -rf $(distdir)/_build \
	&& mkdir $(distdir)/_build \
	&& cd $(distdir)/_build \
	&& ../configure --srcdir=.. \
		$(AM_DISTCHECK_CONFIGURE_FLAGS) $(DISTCHECK_CONFIGURE_FLAGS)
	exec >>'checkcfg.$*.log' 2>&1; set -x; \
	   cd $(distdir)/_build \
	&& $(NR_MAKE) $(AM_MAKEFLAGS) -f ../Basic.mk SRCDIR=.. CFLAGS='$(AM_CFLAGS)' \
	&& ./make $(AM_MAKEFLAGS) -f ../Basic.mk SRCDIR=.. check \
	&& ./make $(AM_MAKEFLAGS) -f ../Basic.mk SRCDIR=.. clean
	exec >>'checkcfg.$*.log' 2>&1; \
	   echo "Testing Basic.mk SRCDIR=."; set -x; \
	&& rm -rf $(distdir)/_build \
	&& cd $(distdir) \
	&& ./configure \
		$(AM_DISTCHECK_CONFIGURE_FLAGS) $(DISTCHECK_CONFIGURE_FLAGS) \
	&& $(NR_MAKE) $(AM_MAKEFLAGS) -f Basic.mk CFLAGS='$(AM_CFLAGS)' \
	&& ./make $(AM_MAKEFLAGS) -f Basic.mk check \
	&& ./make $(AM_MAKEFLAGS) -f Basic.mk clean


## --------------- ##
## Sanity checks.  ##
## --------------- ##

# Before we build a distribution be sure we run our local checks
#distdir: local-check

.PHONY: local-check po-check changelog-check

# Checks that don't require Git.  Run 'changelog-check' last as
# previous test may reveal problems requiring new ChangeLog entries.

#: run checks that don't require Git.
local-check: po-check changelog-check

#: check writable-files
changelog-check:
	if head $(top_srcdir)/ChangeLog | grep 'Version $(VERSION)' >/dev/null; then \
	  :; \
	else \
	  echo "$(VERSION) not in ChangeLog" 1>&2; \
	  exit 1; \
	fi

# Verify that all source files using _() are listed in po/POTFILES.in.
# Ignore src/makeint.h; it defines _().
# FIXME: Also ignore files in lib. remake has more of these than make. Why?

#: See if translation files (*.po) need updating
po-check:
	if test -f po/POTFILES.in; then \
	  $(GREP) '^[^#]' po/POTFILES.in | sort > $@-1; \
	  find [a-z]* -name '*.[ch]' | xargs $(GREP) -l '\b_(' | $(GREP) -v src/makeint.h | $(GREP) -v lib/ | sort > $@-2; \
	  diff -u $@-1 $@-2 || exit 1; \
	  rm -f $@-1 $@-2; \
	fi

## --------------------------------------------- ##
## Submitting Coverity cov-build results to Scan ##
## --------------------------------------------- ##

# Note you must have set COVERITY_TOKEN and COVERITY_EMAIL properly
# to submit results.  COVERITY_PATH can be set to the root of the
# cov-build tools if it's not already on your PATH.

COV_BUILD_FILE := cov-build.tgz

.PHONY: cov-build cov-submit

cov-build: $(COV_BUILD_FILE)

$(COV_BUILD_FILE): $(filter %.c %.h,$(DISTFILES))
	$(MAKE) distdir
	@echo "Running Coverity cov-build"
	rm -rf '$(distdir)'/_build
	mkdir '$(distdir)'/_build
	cd '$(distdir)'/_build \
	    && ../configure --srcdir=.. \
		$(AM_DISTCHECK_CONFIGURE_FLAGS) $(DISTCHECK_CONFIGURE_FLAGS) \
		CFLAGS='$(AM_CFLAGS)'
	PATH="$${COVERITY_PATH:+$$COVERITY_PATH/bin:}$$PATH"; \
	    cd '$(distdir)'/_build \
		&& cov-build --dir cov-int ../build.sh
	rm -f '$@'
	(cd '$(distdir)'/_build && tar czf - cov-int) > '$@'

cov-submit: $(COV_BUILD_FILE)-submitted

$(COV_BUILD_FILE)-submitted: $(COV_BUILD_FILE)
	@[ -n "$(COVERITY_TOKEN)" ] || { echo 'COVERITY_TOKEN not set'; exit 1; }
	@[ -n "$(COVERITY_EMAIL)" ] || { echo 'COVERITY_EMAIL not set'; exit 1; }
	rm -f '$@'
	case '$(VERSION)' in \
	    (*.*.9*) type="daily build"; ext=".$$(date +%Y%m%d)" ;; \
	    (*)      type="release"; ext= ;; \
	esac; \
	curl --form token='$(COVERITY_TOKEN)' \
	     --form email='$(COVERITY_EMAIL)' \
	     --form file='@$<' \
	     --form version="$(VERSION)$$ext" \
	     --form description="GNU make $$type" \
	     'https://scan.coverity.com/builds?project=gmake'
	cp '$<' '$@'


#: Rebuild Makefile.in if Makefile.am file is modified.
Makefile.in: maintMakefile

# Copyright (C) 1997-2020 Free Software Foundation, Inc.
# This file is part of GNU Make.
#
# GNU Make 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 3 of the License, or (at your option) any later
# version.
#
# GNU Make 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, see <http://www.gnu.org/licenses/>.