kc3-lang/automake/t/pkg-config-macros.sh

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• Hash : 84e12c32
  Author :
  Date : 2013-05-17T13:45:44
  

  tests: sanitize 'unset' usages
  
  In some shells (e.g., Solaris 10 /bin/ksh, or NetBSD 5.1 /bin/sh),
  "unset VAR" returns a non-zero exit status in case the VAR variable
  is already unset.  This doesn't interact well with our usage of
  "set -e" in the testsuite.  So far, we've avoided spurious failures
  by either explicitly ignoring the exit status from unset:
  
      unset VAR || :
  
  or explicitly ensuring that a variable is set, before trying to
  unset it:
  
      VAR=; unset VAR
  
  But we can do better, by aliasing the 'unset' command to a custom
  function that will take care of these details for us.  This will
  avoid us annoying spurious failures in the future, failures that
  have already bitten us too much times.  For an example, refer to
  commit 'v1.12.2-88-g5b1dae5' of 2012-08-05 (tests: avoid tons of
  spurious failures on NetBSD).
  
  * t/ax/test-lib.sh (_am_unset): New function.
  (unset): New alias to it.
  (_am_exit): Adjust comments.
  * t/ax/am-test-lib.sh: No need to temporary disable the 'errexit'
  shell flag when unsetting variables that are potentially already
  unset.
  (am_process_requirements): Adjust to remove a now-useless
  workaround related to unset.
  * t/aclocal-macrodir.tap: Likewise.
  * t/aclocal-macrodirs.tap: Likewise.
  * t/auxdir-autodetect.sh: Likewise.
  * t/ax/am-test-lib.sh: Likewise.
  * t/ax/test-lib.sh: Likewise.
  * t/check-tests-in-builddir.sh: Likewise.
  * t/dist-formats.tap: Likewise.
  * t/distcheck-configure-flags-am.sh: Likewise.
  * t/distcheck-configure-flags.sh: Likewise.
  * t/java-empty-classpath.sh: Likewise.
  * t/javaflags.sh: Likewise.
  * t/lflags.sh: Likewise.
  * t/lflags2.sh: Likewise.
  * t/lisp-flags.sh: Likewise.
  * t/lisp6.sh: Likewise.
  * t/missing-auxfile-stops-makefiles-creation.sh: Likewise.
  * t/parallel-am.sh: Likewise.
  * t/parallel-am2.sh: Likewise.
  * t/parallel-am3.sh: Likewise.
  * t/parallel-tests-log-override-recheck.sh: Likewise.
  * t/pkg-config-macros.sh: Likewise.
  * t/python-missing.sh: Likewise.
  * t/python-too-old.sh: Likewise.
  * t/python11.sh: Likewise.
  * t/self-check-dir.tap: Likewise.
  * t/self-check-report.sh: Likewise.
  * t/self-check-seq.tap: Likewise.
  * t/silent-configsite.sh: Likewise.
  * t/suffix6c.sh: Likewise.
  * t/tar-override.sh: Likewise.
  * t/tests-environment-and-log-compiler.sh: Likewise.
  * t/vala-configure.sh: Likewise.
  * t/werror3.sh: Likewise.
  * t/yflags-cmdline-override.sh: Likewise.
  * t/yflags.sh: Likewise.
  * t/yflags2.sh: Likewise.
  
  Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
  

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• t/pkg-config-macros.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/>.
  
  # Try to find the pkg-config '.m4' files and make them easily accessed
  # to the test cases requiring them.
  
  . test-init.sh
  
  echo "# Automatically generated by $me." > get.sh
  echo : >> get.sh
  
  if ver=$(pkg-config --version) && test -n "$ver"; then
     echo "printf 'pkg-config version: %s\\n' '$ver'" >> get.sh
  else
     echo "skip_all_ \"'pkg-config' not available\"" >> get.sh
  fi
  
  cat > configure.ac <<'END'
  AC_INIT([pkg], [1.0])
  PKG_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.4])
  END
  
  have_pkg_config_macros ()
  {
    $AUTOCONF && ! $FGREP PKG_CHECK_MODULES configure
  }
  
  if have_pkg_config_macros; then
    # The pkg-config macros are already available, nothing to do.
    exit 0
  fi
  
  # Usual locations where pkg.m4 *might* be installed.
  XT_ACLOCAL_PATH=/usr/local/share/aclocal:/usr/share/aclocal
  
  # Find the location of the pkg-config executable.
  oIFS=$IFS dir=
  IFS=:
  for d in $PATH; do
    IFS=$oIFS
    if test -f $d/pkg-config || test -f $d/pkg-config.exe; then
      dir=$d
      break
    fi
  done
  IFS=$oIFS
  
  # Now try to use the location of the pkg-config executable to guess
  # where the corresponding pkg.m4 might be installed.
  if test -n "$dir"; then
    # Only support standard installation layouts.
    XT_ACLOCAL_PATH=${dir%/bin}/share/aclocal:$XT_ACLOCAL_PATH
  fi
  
  XT_ACLOCAL_PATH=$XT_ACLOCAL_PATH${ACLOCAL_PATH+":$ACLOCAL_PATH"}
  
  # Try once again to fetch the pkg-config macros.
  mkdir m4
  ACLOCAL_PATH=$XT_ACLOCAL_PATH $ACLOCAL -Wno-syntax --install -I m4
  if test -f m4/pkg.m4 && have_pkg_config_macros; then
     echo "ACLOCAL_PATH='$(pwd)/m4':\$ACLOCAL_PATH" >> get.sh
     echo "export ACLOCAL_PATH" >> get.sh
     echo "sed 20q '$(pwd)/m4/pkg.m4' # For debugging." >> get.sh
  else
     echo "skip_all_ \"pkg-config m4 macros not found\"" >> get.sh
  fi
  
  unset ACLOCAL_PATH
  . ./get.sh
  
  $ACLOCAL --force -I m4 || cat >> get.sh <<'END'
  # We need to use '-Wno-syntax', since we do not want our test suite
  # to fail merely because some third-party '.m4' file is underquoted.
  ACLOCAL="$ACLOCAL -Wno-syntax"
  END
  
  # The pkg-config m4 file(s) we might fetched will be copied in the
  # 'm4' subdirectory of the test directory are going to be needed by
  # other tests, so we must not remove the test directory.
  keep_testdirs=yes
  
  :
  

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