| #! /bin/sh | |
| # Copyright (C) 2002 Free Software Foundation, Inc. | |
| # | |
| # This file is part of GNU Automake. | |
| # | |
| # GNU Automake 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 2, or (at your option) | |
| # any later version. | |
| # | |
| # GNU Automake 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 Automake; see the file COPYING. If not, write to | |
| # the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
| # Boston, MA 02110-1301, USA. | |
| # Make sure we reuse variables whenever possible, to limit | |
| # combinational explosion. (This test is named after the &subobjname | |
| # sub in Automake). | |
| . ./defs || exit 1 | |
| set -e | |
| cat >> configure.in << 'END' | |
| AC_PROG_CC | |
| AM_CONDITIONAL([FOO1], [some test]) | |
| AM_CONDITIONAL([FOO2], [some test]) | |
| AM_CONDITIONAL([FOO3], [some test]) | |
| AC_OUTPUT | |
| END | |
| cat > Makefile.am << 'END' | |
| noinst_PROGRAMS = c d | |
| if FOO1 | |
| A1=a1.c | |
| endif | |
| if FOO2 | |
| A2=a2.c | |
| endif | |
| if FOO3 | |
| A3=a3.c | |
| endif | |
| B=$(A1) $(A2) $(A3) | |
| c_SOURCES=$(B) | |
| d_SOURCES=$(B) | |
| END | |
| $ACLOCAL | |
| $AUTOMAKE -a | |
| # Sanity check: make sure am_c_OBJECTS and am_d_OBJECTS are used | |
| # in the Makefile. (This is an internal detail, so better make | |
| # sure we update this test if the naming changes in the future.) | |
| grep '^am_c_OBJECTS = ' Makefile.in | |
| grep '^am_d_OBJECTS = ' Makefile.in | |
| # Now the actual test. Are both values equal? | |
| cobj=`sed -n '/^am_c_OBJECTS = / { | |
| s/.* = \(.*\)$/\1/ | |
| p | |
| }' Makefile.in` | |
| dobj=`sed -n '/^am_d_OBJECTS = / { | |
| s/^.* = \(.*\)$/\1/ | |
| p | |
| }' Makefile.in` | |
| test "$cobj" = "$dobj" |