kc3-lang/automake/t/self-check-cc-no-c-o.sh

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• Hash : b670a66a
  Author :
  Date : 2013-01-11T18:26:03
  

  tests: can fake a compiler not grasping "-c -o" -- globally in all tests
  
  The ability to easily do so will be quite important in upcoming changes
  about C compilation handling and semantics of the 'subdir-objects'
  option.  Refer to the extensive discussion about automake bug#13378 for
  more details: <http://debbugs.gnu.org/cgi/bugreport.cgi?bug=13378>.
  
  See also commit 'v1.13.1-34-g744cd57' of 2013-01-08, "coverage: compile
  rules used "-c -o" also with losing compilers".
  
  * t/ax/cc-no-c-o.in: New, a "C compiler" that chokes when the '-c' and
  '-o' options are passed together to it on the command line.
  * Makefile.am (t/ax/cc-no-c-o): Generate this script from it.
  (noinst_SCRIPTS, CLEANFILES): Add it.
  (EXTRA_DIST): Add 't/ax/cc-no-c-o.in'.
  (check-cc-no-c-o): New target, runs the whole testsuite with 'cc-no-c-o'
  as the C compiler (bot GNU and non-GNU).
  * .gitignore: Update.
  * t/ccnoco.sh: Use the new script instead of duplicating it.
  * t/ccnoco3.sh: Likewise.
  * t/ccnoco4.sh: Likewise.
  * t/self-check-cc-no-c-o.sh: New testsuite self-check.
  * t/list-of-tests.mk: Adjust.
  
  Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
  

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• t/self-check-cc-no-c-o.sh

• #! /bin/sh
  # Copyright (C) 2012-2013 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 our fake "C compiler" that doesn't grasp the '-c' and
  # '-o' command-line options passed together, used to enhance testsuite
  # coverage.
  
  required=gcc # Our fake compiler uses gcc.
  am_create_testdir=empty
  . test-init.sh
  
  CC=$am_testaux_builddir/cc-no-c-o; export CC
  
  echo 'int main (void) { return 0; }' > foo.c
  $CC -c foo.c
  test -f foo.o || test -f foo.obj
  $CC -c -o bar.o foo.c 2>stderr && { cat stderr >&2; exit 1; }
  cat stderr >&2
  grep "both '-o' and '-c' seen on the command line" stderr
  test ! -e bar.o && test ! -e bar.obj
  
  :
  

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