| #!/bin/sh |
| # Copyright (C) 2003 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 <http://www.gnu.org/licenses/>. |
| |
| # Check that many conditions do not lead to combinatorial explosion. |
| # (This is related to PR/352.) |
| # |
| # On this test, Automake 1.7.x would compute all 2**22 = 4194304 |
| # possible combinations of conditionals (it would do this five times, |
| # to define a01_DEPENDENCIES, a02_DEPENDENCIES, a03_OBJECTS, |
| # a04_OBJECTS, and to rewrite bin_PROGRAM), eating all memory, swap, |
| # or cpu time it can found. Although this test won't print `FAIL' if |
| # it fails, it will take long enough so it can't go unnoticed. |
| |
| . ./defs |
| |
| set -e |
| |
| echo AC_PROG_CC >>configure.in |
| |
| cat >Makefile.am <<EOF |
| bin_PROGRAMS = a |
| a02_LDADD = |
| a03_SOURCES = |
| EOF |
| |
| for i in 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22; do |
| cat >>Makefile.am <<EOF |
| if C$i |
| bin_PROGRAMS += a$i |
| a01_LDADD = foo${i}.o |
| a02_LDADD += bar${i}.o |
| a03_SOURCES += baz${i}.c |
| a04_SOURCES = quux${i}.c |
| endif C$i |
| EOF |
| echo "AM_CONDITIONAL([C$i], [:])" >>configure.in |
| done |
| |
| $ACLOCAL |
| $AUTOMAKE |
