12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788 |
- #! /bin/sh
- # Copyright (C) 2012-2017 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/>.
- # Test that automatic determination of the linker works well with
- # conditional use of languages in a single program.
- # This currently doesn't truly work, but we have an easy workaround
- # at least, that is tested here.
- # See automake bug#11089.
- required='cc c++'
- . test-init.sh
- cat >> configure.ac << 'END'
- AC_PROG_CC
- AC_PROG_CXX
- AM_CONDITIONAL([HAVE_CXX], [test $have_cxx = yes])
- AC_OUTPUT
- END
- cat > Makefile.am << 'END'
- bin_PROGRAMS = foo
- if HAVE_CXX
- foo_SOURCES = more.c++
- else
- foo_SOURCES = less.c
- endif
- ## FIXME: ideally, this workaround shouldn't be needed.
- if HAVE_CXX
- foo_LINK = $(CXXLINK)
- else
- foo_LINK = $(LINK)
- endif
- END
- $ACLOCAL
- $AUTOMAKE
- $AUTOCONF
- rm -f *.c++
- cat > less.c <<'END'
- /* Valid C but deliberately invalid C++ */
- main ()
- {
- int new = 0;
- return new;
- }
- END
- ./configure have_cxx=no
- run_make CXX=false
- # Sanity check.
- rm -f foo foo.exe
- run_make CC=false && fatal_ '"make CC=false" succeeded unexpectedly'
- $MAKE distclean
- rm -f *.c
- cat > more.c++ <<'END'
- /* Valid C++ but deliberately invalid C */
- using namespace std;
- int main (void)
- {
- return 0;
- }
- END
- ./configure have_cxx=yes
- run_make CC=false
- # Sanity check.
- rm -f foo foo.exe
- run_make CXX=false && fatal_ '"make CXX=false" succeeded unexpectedly'
- :
|