test: protect more yacc declarations against C vs. C++ linkage.
[automake.git] / t / yacc-dist-nobuild.sh
blob2cccc395b4a6d87f5fcfd6a5017f90a644920b68
1 #! /bin/sh
2 # Copyright (C) 2011-2024 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 # Check that distributed Yacc-generated parsers are not uselessly
18 # remade from an unpacked distributed tarball.
19 # See automake bug#7884.
21 required='cc yacc'
22 . test-init.sh
24 cat >> configure.ac << 'END'
25 AC_PROG_CC
26 AC_PROG_YACC
27 AC_OUTPUT
28 END
30 cat > Makefile.am << 'END'
31 AM_LFLAGS = --never-interactive
33 bin_PROGRAMS = foobar zardoz
34 foobar_SOURCES = parse.y main.c
35 zardoz_SOURCES = $(foobar_SOURCES)
36 zardoz_YFLAGS = -d
37 END
39 cat > parse.y << 'END'
41 int yylex () { return 0; }
42 void yyerror (const char *s) {}
45 foobar : 'f' 'o' 'o' 'b' 'a' 'r' {};
46 END
48 cat > main.c << 'END'
49 int main () { return 0; }
50 END
52 $ACLOCAL
53 $AUTOCONF
54 $AUTOMAKE -a
56 ./configure
57 $MAKE
59 $MAKE distdir
60 chmod -R a-w $distdir
62 mkdir bin
63 cat > bin/yacc <<'END'
64 #!/bin/sh
65 echo "$0 invoked, shouldn't happen!" >&2
66 exit 1
67 END
68 cp bin/yacc bin/bison
69 chmod a+x bin/yacc bin/bison
70 PATH=$(pwd)/bin$PATH_SEPARATOR$PATH
72 YACC=yacc BISON=bison
73 export YACC BISON
75 mkdir build
76 cd build
77 ../$distdir/configure
78 $MAKE
80 # Sanity check.
81 cd ..
82 chmod u+w $distdir
83 rm -f $distdir/parse.c
84 chmod a-w $distdir
85 mkdir build2
86 cd build2
87 ../$distdir/configure
88 run_make -e FAIL -M
89 $FGREP parse.c output