| | 1 | # Having a separate GNUmakefile lets me `include' the dynamically |
| | 2 | # generated rules created via Makefile.maint as well as Makefile.maint itself. |
| | 3 | # This makefile is used only if you run GNU Make. |
| | 4 | # It is necessary if you want to build targets usually of interest |
| | 5 | # only to the maintainer. |
| | 6 | |
| | 7 | # Copyright (C) 2001, 2003, 2006-2007 Free Software Foundation, Inc. |
| | 8 | # |
| | 9 | # This program is free software: you can redistribute it and/or modify |
| | 10 | # it under the terms of the GNU General Public License as published by |
| | 11 | # the Free Software Foundation, either version 3 of the License, or |
| | 12 | # (at your option) any later version. |
| | 13 | |
| | 14 | # This program is distributed in the hope that it will be useful, |
| | 15 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| | 16 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| | 17 | # GNU General Public License for more details. |
| | 18 | |
| | 19 | # You should have received a copy of the GNU General Public License |
| | 20 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| | 21 | |
| | 22 | # Systems where /bin/sh is not the default shell need this. The $(shell) |
| | 23 | # command below won't work with e.g. stock DOS/Windows shells. |
| | 24 | ifeq ($(wildcard /bin/s[h]),/bin/sh) |
| | 25 | SHELL = /bin/sh |
| | 26 | else |
| | 27 | # will be used only with the next shell-test line, then overwritten |
| | 28 | # by a configured-in value |
| | 29 | SHELL = sh |
| | 30 | endif |
| | 31 | |
| | 32 | have-Makefile := $(shell test -f Makefile && echo yes) |
| | 33 | |
| | 34 | # If the user runs GNU make but has not yet run ./configure, |
| | 35 | # give them a diagnostic. |
| | 36 | ifeq ($(have-Makefile),yes) |
| | 37 | |
| | 38 | # Make tar archive easier to reproduce. |
| | 39 | export TAR_OPTIONS = --owner=0 --group=0 --numeric-owner |
| | 40 | |
| | 41 | include Makefile |
| | 42 | |
| | 43 | # Ensure that $(VERSION) is up to date for dist-related targets, but not |
| | 44 | # for others: rerunning autoconf and recompiling everything isn't cheap. |
| | 45 | ifeq (0,$(MAKELEVEL)) |
| | 46 | _is-dist-target = $(filter dist% alpha beta major,$(MAKECMDGOALS)) |
| | 47 | ifneq (,$(_is-dist-target)) |
| | 48 | _curr-ver := $(shell build-aux/git-version-gen 0 .version) |
| | 49 | ifneq ($(_curr-ver),$(VERSION)) |
| | 50 | $(info INFO: rerunning autoconf for new version string: $(_curr-ver)) |
| | 51 | dummy := $(shell rm -rf autom4te.cache; $(AUTOCONF)) |
| | 52 | endif |
| | 53 | endif |
| | 54 | endif |
| | 55 | |
| | 56 | include $(srcdir)/Makefile.cfg |
| | 57 | include $(srcdir)/Makefile.maint |
| | 58 | |
| | 59 | else |
| | 60 | |
| | 61 | all: |
| | 62 | @echo There seems to be no Makefile in this directory. 1>&2 |
| | 63 | @echo "You must run ./configure before running \`make'." 1>&2 |
| | 64 | @exit 1 |
| | 65 | |
| | 66 | endif |
| | 67 | |
| | 68 | # Tell version 3.79 and up of GNU make to not build goals in this |
| | 69 | # directory in parallel. This is necessary in case someone tries to |
| | 70 | # build multiple targets on one command line. |
| | 71 | .NOTPARALLEL: |
projects / bison.git / blame_incremental