AX_GCC_INSTALL_DIR (VARIABLE)
, 

2005-01-22

Francesco Salvestrini <salvestrini@users.sourceforge.net>

GPLWithACException
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cryp.to ac-archive's C Support (released)

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.

AC_DEFUN([AX_GCC_INSTALL_DIR], [
AC_REQUIRE([AC_PROG_CC])
if test "x$GCC" = "xyes"; then
	AX_GCC_OPTION(GCC_ALL_DIRECTORIES,[-print-search-dirs],[yes],[no])
	if test x"$GCC_ALL_DIRECTORIES" = x"yes"; then
		AC_MSG_CHECKING([gcc install directory])
		ax_gcc_install_dir=`$CC -print-search-dirs | grep install | sed -e "s/^install://" | sed -e "s/\/$//"`
		AC_MSG_RESULT([$ax_gcc_install_dir])
		$1=$ax_gcc_install_dir
	else
		unset $1
	fi
else
        AC_MSG_RESULT([sorry, no gcc available])
	unset $1
fi
])