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# ===========================================================================
# http://autoconf-archive.cryp.to/ax_gcc_install_dir.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_GCC_INSTALL_DIR(VARIABLE)
#
# DESCRIPTION
#
# AX_GCC_INSTALL_DIR(VARIABLE) defines VARIABLE as the gcc install
# directory. The install directory will be obtained using the gcc
# -print-search-dirs option. This macro requires AX_GCC_OPTION macro.
#
# LICENSE
#
# Copyright (c) 2008 Francesco Salvestrini <salvestrini@users.sourceforge.net>
#
# 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 of the License, 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/>.
#
# As a special exception, the respective Autoconf Macro's copyright owner
# gives unlimited permission to copy, distribute and modify the configure
# scripts that are the output of Autoconf when processing the Macro. You
# need not follow the terms of the GNU General Public License when using
# or distributing such scripts, even though portions of the text of the
# Macro appear in them. The GNU General Public License (GPL) does govern
# all other use of the material that constitutes the Autoconf Macro.
#
# This special exception to the GPL applies to versions of the Autoconf
# Macro released by the Autoconf Archive. When you make and distribute a
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
AC_DEFUN([AX_GCC_INSTALL_DIR], [
AC_REQUIRE([AC_PROG_CC])
AS_IF([test "x$GCC" = "xyes"],[
AX_GCC_OPTION([-print-search-dirs],[],[],[
AC_MSG_CHECKING([gcc install directory])
ax_gcc_install_dir=`$CC -print-search-dirs | grep install | sed -e "s,^install:,," -e "s,^\s*,," -e "s,\/$,," `
AC_MSG_RESULT([$ax_gcc_install_dir])
$1=$ax_gcc_install_dir
],[
unset $1
])
],[
AC_MSG_RESULT([sorry, no gcc available])
unset $1
])
])
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