119 lines
2.9 KiB
Bash
Executable File
119 lines
2.9 KiB
Bash
Executable File
#! /bin/sh
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# Copyright (C) 2003, 2006 Free Software Foundation, Inc.
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#
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# 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
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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#
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# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
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# Make sure aclocal does not overwrite aclocal.m4 needlessly.
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# Also make sure automake --no-force does not overwrite Makefile.in needlessly.
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. ./defs || Exit 1
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set -e
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cat >> configure.in << 'END'
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SOME_DEFS
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AC_CONFIG_FILES([sub/Makefile])
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END
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mkdir sub
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: > sub/Makefile.am
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cat >> Makefile.am << 'END'
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SUBDIRS = sub
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include fragment.inc
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END
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: > fragment.inc
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mkdir m4
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echo 'AC_DEFUN([SOME_DEFS], [])' > m4/somedefs.m4
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$sleep
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$ACLOCAL -I m4
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# Automake will take aclocal.m4 to be newer if it has the same timestamp
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# as Makefile.in. Avoid the confusing by sleeping.
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$sleep
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$AUTOMAKE --no-force
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$sleep
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touch foo
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$ACLOCAL -I m4
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$AUTOMAKE --no-force
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# aclocal.m4 and Makefile.in should not have been updated, so `foo'
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# should be younger
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test `ls -1t aclocal.m4 Makefile.in sub/Makefile.in foo | sed 1q` = foo
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$sleep
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$ACLOCAL -I m4 --force
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test `ls -1t aclocal.m4 foo | sed 1q` = aclocal.m4
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# We still use --no-force for automake, but since aclocal.m4 has
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# changed all Makefile.ins should be updated.
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$sleep
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$AUTOMAKE --no-force
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test `ls -1t Makefile.in foo | sed 1q` = Makefile.in
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test `ls -1t sub/Makefile.in foo | sed 1q` = sub/Makefile.in
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touch m4/somedefs.m4
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$sleep
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touch foo
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$sleep
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$ACLOCAL -I m4
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$sleep
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$AUTOMAKE --no-force
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# aclocal.m4 should have been updated, although its contents haven't changed.
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test `ls -1t aclocal.m4 foo | sed 1q` = aclocal.m4
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test `ls -1t Makefile.in foo | sed 1q` = Makefile.in
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test `ls -1t sub/Makefile.in foo | sed 1q` = sub/Makefile.in
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touch fragment.inc
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$sleep
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touch foo
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$sleep
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$ACLOCAL -I m4
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$AUTOMAKE --no-force
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# Only ./Makefile.in should change.
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test `ls -1t aclocal.m4 foo | sed 1q` = foo
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test `ls -1t Makefile.in foo | sed 1q` = Makefile.in
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test `ls -1t sub/Makefile.in foo | sed 1q` = foo
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grep README Makefile.in && Exit 1
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: > README
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$sleep
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touch foo
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$sleep
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$AUTOMAKE --no-force
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# Even if no dependency change, the content changed.
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test `ls -1t Makefile.in foo | sed 1q` = Makefile.in
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test `ls -1t sub/Makefile.in foo | sed 1q` = foo
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grep README Makefile.in
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: > sub/Makefile.in
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$sleep
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touch foo
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$sleep
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$ACLOCAL -I m4
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$AUTOMAKE --no-force
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# Only sub/Makefile.in should change.
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test `ls -1t aclocal.m4 foo | sed 1q` = foo
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test `ls -1t Makefile.in foo | sed 1q` = foo
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test `ls -1t sub/Makefile.in foo | sed 1q` = sub/Makefile.in
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