kc3-lang/automake/t/remake-subdir-long-time.sh

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• Hash : 7df8b28c
  Author :
  Date : 2012-12-31T18:18:37
  

  maint: update copyright year for 2013 (in branch maint)
  
  Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
  

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• t/remake-subdir-long-time.sh

• #! /bin/sh
  # Copyright (C) 2011-2013 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 remake rules from subdirectories do not hang or cycle
  # endlessly, even with build systems that takes several seconds to
  # rebuild the Makefiles.
  # This test tries to ensure a long-enough rebuild time by introducing
  # an explicit delay in the build process.
  # Suggestion by Ralf Wildenhues.
  
  . test-init.sh
  
  cat > configure.ac <<END
  AC_INIT([$me], [1.0])
  AM_INIT_AUTOMAKE([foreign -Wall -Werror])
  AC_CONFIG_FILES([Makefile sub/Makefile])
  AC_SUBST([MAGIC], [magic])
  AC_OUTPUT
  END
  
  echo SUBDIRS = sub > Makefile.am
  mkdir sub
  : > sub/Makefile.am
  
  # Both aclocal and automake are expected to run one and just one time.
  # Create and use wrappers that will verify that.
  
  ocwd=$(pwd) || fatal_ "cannot get current working directory"
  
  mkdir bin
  
  cat > bin/automake <<END
  #!/bin/sh
  set -e
  PATH='$PATH'; export PATH
  sentinel='$ocwd/automake-has-run'
  if test -f "\$sentinel"; then
    echo "Automake has been run more than one time" >&2
    exit 1
  else
    echo automake has run > "\$sentinel"
  fi
  $sleep; $sleep;
  exec $AUTOMAKE \${1+"\$@"}
  END
  chmod a+x bin/automake
  
  cat > bin/aclocal <<END
  #!/bin/sh
  set -e
  PATH='$PATH'; export PATH
  sentinel='$ocwd/aclocal-has-run'
  if test -f "\$sentinel"; then
    echo "Aclocal has been run more than one time" >&2
    exit 1
  else
    echo aclocal has run > "\$sentinel"
  fi
  $sleep; $sleep;
  exec $ACLOCAL \${1+"\$@"}
  END
  chmod a+x bin/aclocal
  
  # Just to be sure.
  cp bin/automake bin/automake-$APIVERSION
  cp bin/aclocal bin/aclocal-$APIVERSION
  
  PATH=$ocwd/bin$PATH_SEPARATOR$PATH; export PATH
  
  AUTOMAKE=automake ACLOCAL=aclocal; export AUTOMAKE ACLOCAL
  
  $ACLOCAL  # Should use or just-defined wrapper.
  $AUTOMAKE # Likewise.
  $AUTOCONF
  
  # Sanity check: the wrappers have been used.
  test -f automake-has-run
  test -f aclocal-has-run
  rm -f automake-has-run aclocal-has-run
  
  ./configure
  # Sanity check: Makefile doesn't get updated uselessly.
  ACLOCAL=false AUTOMAKE=false AUTOCONF=false $MAKE -e
  
  $sleep
  sed "s|magic|magic2|" configure.ac > t
  mv -f t configure.ac
  
  cd sub
  AUTOMAKE="$AUTOMAKE" ACLOCAL="$ACLOCAL" $MAKE -e Makefile
  cd ..
  
  # For debugging.
  ls -l . sub
  grep -i magic configure Makefile.in Makefile sub/Makefile.in sub/Makefile
  # Sanity checks.
  $FGREP magic2 configure
  $FGREP magic2 Makefile
  $FGREP magic2 sub/Makefile
  
  :
  

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