test: protect more yacc declarations against C vs. C++ linkage.
[automake.git] / t / hdr-vars-defined-once.sh
blob0643bb2e51c7422e93eae56db6c5b6bff5257dd9
1 #! /bin/sh
2 # Copyright (C) 1999-2024 Free Software Foundation, Inc.
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2, or (at your option)
7 # any later version.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program. If not, see <https://www.gnu.org/licenses/>.
17 # Test to make sure header vars defined only once when including.
18 # Report from Marcus G. Daniels.
20 . test-init.sh
22 cat >> configure.ac <<END
23 AC_OUTPUT
24 END
26 cat > Makefile.am << 'END'
27 include Will_Be_Included_In_Makefile
28 test-distcommon:
29 echo ' ' $(DIST_COMMON) ' ' \
30 | grep '[ /]Will_Be_Included_In_Makefile '
31 END
33 id=0c35bbde7c95b569a
34 echo "# $id" > Will_Be_Included_In_Makefile
36 $ACLOCAL
37 $AUTOMAKE
38 test $(grep -c '^srcdir' Makefile.in) -eq 1
40 $AUTOCONF
41 ./configure
42 $MAKE test-distcommon
43 $MAKE distdir
44 grep "$id" $distdir/Will_Be_Included_In_Makefile