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118 lines
4.3 KiB
Makefile
118 lines
4.3 KiB
Makefile
# Build Emacs from a fresh tarball or version-control checkout.
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# Copyright (C) 2011-2020 Free Software Foundation, Inc.
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#
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# This file is part of GNU Emacs.
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#
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# GNU Emacs 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
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# GNU Emacs is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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#
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# written by Paul Eggert
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# This GNUmakefile is for GNU Make. It is for convenience, so that
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# one can run 'make' in an unconfigured source tree. In such a tree,
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# this file causes GNU Make to first create a standard configuration
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# with the default options, and then reinvokes itself on the
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# newly-built Makefile. If the source tree is already configured,
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# this file defers to the existing Makefile.
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# If you want non-default build options, or if you want to build in an
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# out-of-source tree, you should run 'configure' before running 'make'.
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# But run 'autogen.sh' first, if the source was checked out directly
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# from the repository.
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# Display help.
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ifeq (help,$(filter help,$(MAKECMDGOALS)))
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help:
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@echo "NOTE: This is a brief summary of some common make targets."
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@echo "For more detailed information, please read the files INSTALL,"
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@echo "INSTALL.REPO, Makefile or visit this URL:"
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@echo "https://www.gnu.org/prep/standards/html_node/Standard-Targets.html"
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@echo ""
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@echo "make all -- compile and build Emacs"
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@echo "make install -- install Emacs"
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@echo "make TAGS -- update tags tables"
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@echo "make clean -- delete built files but preserve configuration"
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@echo "make mostlyclean -- like 'make clean', but leave those files that"
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@echo " usually do not need to be recompiled"
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@echo "make distclean -- delete all build and configuration files,"
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@echo " leave only files included in source distribution"
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@echo "make maintainer-clean -- delete almost everything that can be regenerated"
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@echo "make bootstrap -- delete all compiled files to force a new bootstrap"
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@echo " from a clean slate, then build in the normal way"
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@echo "make uninstall -- remove files installed by 'make install'"
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@echo "make check -- run the Emacs test suite"
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@echo "make docs -- generate Emacs documentation in info format"
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@echo "make html -- generate documentation in html format"
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@echo "make ps -- generate documentation in ps format"
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@echo "make pdf -- generate documentation in pdf format "
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@exit
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.PHONY: help
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else
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# If a Makefile already exists, just use it.
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ifeq ($(wildcard Makefile),Makefile)
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include Makefile
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else
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# If cleaning and Makefile does not exist, don't bother creating it.
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# The source tree is already clean, or is in a weird state that
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# requires expert attention.
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ifeq ($(filter-out %clean,$(or $(MAKECMDGOALS),default)),)
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$(MAKECMDGOALS):
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@echo >&2 'No Makefile; skipping $@.'
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else
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# No Makefile, and not cleaning.
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# If 'configure' does not exist, Emacs must have been checked
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# out directly from the repository; run ./autogen.sh.
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# Once 'configure' exists, run it.
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# Finally, run the actual 'make'.
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ORDINARY_GOALS = $(filter-out configure Makefile bootstrap,$(MAKECMDGOALS))
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default $(ORDINARY_GOALS): Makefile
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$(MAKE) -f Makefile $(MAKECMDGOALS)
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# Execute in sequence, so that multiple user goals don't conflict.
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.NOTPARALLEL:
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configure:
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@echo >&2 'There seems to be no "configure" file in this directory.'
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@echo >&2 Running ./autogen.sh ...
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./autogen.sh
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@echo >&2 '"configure" file built.'
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Makefile: configure
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@echo >&2 'There seems to be no Makefile in this directory.'
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@echo >&2 'Running ./configure ...'
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./configure
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@echo >&2 'Makefile built.'
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# 'make bootstrap' in a fresh checkout needn't run 'configure' twice.
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bootstrap: Makefile
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$(MAKE) -f Makefile all
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.PHONY: bootstrap default $(ORDINARY_GOALS)
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endif
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endif
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endif
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