#! /bin/sh
# Copyright (C) 2002-2023 Free Software Foundation, Inc.
#
# This program 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.
#
# 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.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
# Make sure we reuse variables whenever possible, to limit
# combinational explosion. (This test is named after the &subobjname
# sub in Automake).
. test-init.sh
cat >> configure.ac << '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"
:
