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wget/GNUmakefile

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# Having a separate GNUmakefile lets me `include' the dynamically
# generated rules created via cfg.mk (package-local configuration)
# as well as maint.mk (generic maintainer rules).
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# This makefile is used only if you run GNU Make.
# It is necessary if you want to build targets usually of interest
# only to the maintainer.
# Copyright (C) 2001, 2003, 2006-2008 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
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# 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.
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# This program 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.
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# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Systems where /bin/sh is not the default shell need this. The $(shell)
# command below won't work with e.g. stock DOS/Windows shells.
ifeq ($(wildcard /bin/s[h]),/bin/sh)
SHELL = /bin/sh
else
# will be used only with the next shell-test line, then overwritten
# by a configured-in value
SHELL = sh
endif
# If the user runs GNU make but has not yet run ./configure,
# give them a diagnostic.
_have-Makefile := $(shell test -f Makefile && echo yes)
ifeq ($(_have-Makefile),yes)
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# Make tar archive easier to reproduce.
export TAR_OPTIONS = --owner=0 --group=0 --numeric-owner
include Makefile
# Some projects override e.g., _autoreconf here.
-include $(srcdir)/cfg.mk
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include $(srcdir)/maint.mk
# Allow cfg.mk to override these.
_build-aux ?= build-aux
_autoreconf ?= autoreconf
# Ensure that $(VERSION) is up to date for dist-related targets, but not
# for others: rerunning autoreconf and recompiling everything isn't cheap.
_have-git-version-gen := \
$(shell test -f $(srcdir)/$(_build-aux)/git-version-gen && echo yes)
ifeq ($(_have-git-version-gen)0,yes$(MAKELEVEL))
_is-dist-target = $(filter-out %clean, \
$(filter maintainer-% dist% alpha beta major,$(MAKECMDGOALS)))
ifneq (,$(_is-dist-target))
_curr-ver := $(shell cd $(srcdir) && ./$(_build-aux)/git-version-gen \
$(srcdir)/.tarball-version)
ifneq ($(_curr-ver),$(VERSION))
$(info INFO: running autoreconf for new version string: $(_curr-ver))
_dummy := $(shell cd $(srcdir) && rm -rf autom4te.cache .version \
&& $(_autoreconf))
endif
endif
endif
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else
.DEFAULT_GOAL := abort-due-to-no-makefile
srcdir = .
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# The package can override .DEFAULT_GOAL to run actions like autoreconf.
-include ./cfg.mk
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include ./maint.mk
ifeq ($(.DEFAULT_GOAL),abort-due-to-no-makefile)
$(MAKECMDGOALS): abort-due-to-no-makefile
endif
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abort-due-to-no-makefile:
@echo There seems to be no Makefile in this directory. 1>&2
@echo "You must run ./configure before running \`make'." 1>&2
@exit 1
endif
# Tell version 3.79 and up of GNU make to not build goals in this
# directory in parallel. This is necessary in case someone tries to
# build multiple targets on one command line.
.NOTPARALLEL: