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Added M4 samples

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Matěj Týč
2015-08-27 15:37:32 +02:00
parent aa701c6766
commit 16e22b3b77
3 changed files with 361 additions and 0 deletions
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samples/M4/ax_ruby_devel.m4 Normal file
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# ===========================================================================
# http://www.gnu.org/software/autoconf-archive/ax_ruby_devel.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_RUBY_DEVEL([version])
#
# DESCRIPTION
#
# This macro checks for Ruby and tries to get the include path to
# 'ruby.h'. It provides the $(RUBY_CPPFLAGS) and $(RUBY_LDFLAGS) output
# variables. It also exports $(RUBY_EXTRA_LIBS) for embedding Ruby in your
# code.
#
# You can search for some particular version of Ruby by passing a
# parameter to this macro, for example "1.8.6".
#
# LICENSE
#
# Copyright (c) 2008 Rafal Rzepecki <divided.mind@gmail.com>
# Copyright (c) 2008 Sebastian Huber <sebastian-huber@web.de>
# Copyright (c) 2008 Alan W. Irwin
# Copyright (c) 2008 Rafael Laboissiere <rafael@laboissiere.net>
# Copyright (c) 2008 Andrew Collier
# Copyright (c) 2008 Matteo Settenvini <matteo@member.fsf.org>
# Copyright (c) 2008 Horst Knorr <hk_classes@knoda.org>
#
# 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 3 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.
#serial 11
AC_DEFUN([AX_RUBY_DEVEL],[
AC_REQUIRE([AX_WITH_RUBY])
AS_IF([test -n "$1"], [AX_PROG_RUBY_VERSION([$1])])
#
# Check if you have mkmf, else fail
#
AC_MSG_CHECKING([for the mkmf Ruby package])
ac_mkmf_result=`$RUBY -rmkmf -e ";" 2>&1`
if test -z "$ac_mkmf_result"; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
AC_MSG_ERROR([cannot import Ruby module "mkmf".
Please check your Ruby installation. The error was:
$ac_mkmf_result])
fi
#
# Check for Ruby include path
#
AC_MSG_CHECKING([for Ruby include path])
if test -z "$RUBY_CPPFLAGS"; then
ruby_path=`$RUBY -rmkmf -e 'print Config::CONFIG[["archdir"]]'`
if test -n "${ruby_path}"; then
ruby_path="-I$ruby_path"
fi
RUBY_CPPFLAGS=$ruby_path
fi
AC_MSG_RESULT([$RUBY_CPPFLAGS])
AC_SUBST([RUBY_CPPFLAGS])
#
# Check for Ruby library path
#
AC_MSG_CHECKING([for Ruby library path])
if test -z "$RUBY_LDFLAGS"; then
RUBY_LDFLAGS=`$RUBY -rmkmf -e 'print Config::CONFIG[["LIBRUBYARG_SHARED"]]'`
fi
AC_MSG_RESULT([$RUBY_LDFLAGS])
AC_SUBST([RUBY_LDFLAGS])
#
# Check for site packages
#
AC_MSG_CHECKING([for Ruby site-packages path])
if test -z "$RUBY_SITE_PKG"; then
RUBY_SITE_PKG=`$RUBY -rmkmf -e 'print Config::CONFIG[["sitearchdir"]]'`
fi
AC_MSG_RESULT([$RUBY_SITE_PKG])
AC_SUBST([RUBY_SITE_PKG])
#
# libraries which must be linked in when embedding
#
AC_MSG_CHECKING(ruby extra libraries)
if test -z "$RUBY_EXTRA_LIBS"; then
RUBY_EXTRA_LIBS=`$RUBY -rmkmf -e 'print Config::CONFIG[["SOLIBS"]]'`
fi
AC_MSG_RESULT([$RUBY_EXTRA_LIBS])
AC_SUBST(RUBY_EXTRA_LIBS)
#
# linking flags needed when embedding
# (is it even needed for Ruby?)
#
# AC_MSG_CHECKING(ruby extra linking flags)
# if test -z "$RUBY_EXTRA_LDFLAGS"; then
# RUBY_EXTRA_LDFLAGS=`$RUBY -rmkmf -e 'print Config::CONFIG[["LINKFORSHARED"]]'`
# fi
# AC_MSG_RESULT([$RUBY_EXTRA_LDFLAGS])
# AC_SUBST(RUBY_EXTRA_LDFLAGS)
# this flags breaks ruby.h, and is sometimes defined by KDE m4 macros
CFLAGS="`echo "$CFLAGS" | sed -e 's/-std=iso9899:1990//g;'`"
#
# final check to see if everything compiles alright
#
AC_MSG_CHECKING([consistency of all components of ruby development environment])
AC_LANG_PUSH([C])
# save current global flags
ac_save_LIBS="$LIBS"
LIBS="$ac_save_LIBS $RUBY_LDFLAGS"
ac_save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$ac_save_CPPFLAGS $RUBY_CPPFLAGS"
AC_TRY_LINK([
#include <ruby.h>
],[
ruby_init();
],[rubyexists=yes],[rubyexists=no])
AC_MSG_RESULT([$rubyexists])
if test ! "$rubyexists" = "yes"; then
AC_MSG_ERROR([
Could not link test program to Ruby. Maybe the main Ruby library has been
installed in some non-standard library path. If so, pass it to configure,
via the LDFLAGS environment variable.
Example: ./configure LDFLAGS="-L/usr/non-standard-path/ruby/lib"
============================================================================
ERROR!
You probably have to install the development version of the Ruby package
for your distribution. The exact name of this package varies among them.
============================================================================
])
RUBY_VERSION=""
fi
AC_LANG_POP
# turn back to default flags
CPPFLAGS="$ac_save_CPPFLAGS"
LIBS="$ac_save_LIBS"
#
# all done!
#
])