54 lines
1.6 KiB
Bash
Executable File
54 lines
1.6 KiB
Bash
Executable File
#!/bin/sh
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# Copyright (C) 2003 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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# Check that many conditions do not lead to combinatorial explosion.
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# (This is related to PR/352.)
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#
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# On this test, Automake 1.7.x would compute all 2**22 = 4194304
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# possible combinations of conditionals (it would do this five times,
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# to define a01_DEPENDENCIES, a02_DEPENDENCIES, a03_OBJECTS,
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# a04_OBJECTS, and to rewrite bin_PROGRAM), eating all memory, swap,
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# or cpu time it can found. Although this test won't print `FAIL' if
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# it fails, it will take long enough so it can't go unnoticed.
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. ./defs
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set -e
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echo AC_PROG_CC >>configure.in
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cat >Makefile.am <<EOF
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bin_PROGRAMS = a
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a02_LDADD =
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a03_SOURCES =
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EOF
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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
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cat >>Makefile.am <<EOF
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if C$i
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bin_PROGRAMS += a$i
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a01_LDADD = foo${i}.o
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a02_LDADD += bar${i}.o
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a03_SOURCES += baz${i}.c
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a04_SOURCES = quux${i}.c
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endif C$i
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EOF
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echo "AM_CONDITIONAL([C$i], [:])" >>configure.in
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done
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$ACLOCAL
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$AUTOMAKE
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