Re: [RFC] configure script for pdfedit-core-dev detection

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On Mon, Sep 14, 2009 at 03:56:37PM +0200, Michal Hocko wrote:
> Hi,
> 
> attached you can find a simple script for pdfedit-core-dev library
> detection for configure. All you need is to add include this file and
> use the AX_PDFEDIT_CORE_DEV command. Configure will fail if detection
> fails and exports PDFEDIT_CORE_DEV_CPPFLAGS resp.
> PDFEDIT_CORE_DEV_LDFLAGS otherwise.
> 
> I have done some testing, but it would be nice if someone (Martin?)
> could look at it.
> 
> I am not sure what is the proper place for this script but if we agree
> on tools separatation to a separate module this would be the best place
> IMO. Otherwise we can add it to the download section on our web pages
> and post it to news/support mailing list.

As there was no feedback on this and I find it useful I have added this
to our CVS along with updated README about usage. I think that we can
install this file to be usable system wide (e.g. at
/usr/share/aclocal/).

What do you think?

> 
> -- 
> Michal Hocko

> # TODO doc - PDFEDIT_CORE_DEV_PATH
> # SYNOPSIS
> #
> # 	AX_PDFEDIT_CORE_DEV
> #
> # DESCRIPTION
> # 	Test for pdfedit-core-dev library from PDFedit package. This 
> # 	macro searches for pdfedit-core-dev-config script or uses the
> # 	given one (by --with-pdfedit-core-dev-config parameter) and 
> # 	uses it to get proper compiler and linker flags which are exported
> # 	as PDFEDIT_CORE_DEV_CPPFLAGS resp. PDFEDIT_CODE_DEV_LDFLAGS.
> # 	You can use --with-pdfedit-core-dev-config=no to prevent from
> # 	library detection completely.
> # 	PDFEDIT_CORE_DEV_PATH environment variable is used if it is set
> # 	for non-standard pdfedit library location (previously installed with
> # 	non standard PREFIX or libdir)
> #
> # LICENSE
> #	
> # PDFedit - free program for PDF document manipulation.
> # Copyright (C) 2006-2009  PDFedit team: Michal Hocko,
> #                                        Jozef Misutka,
> #                                        Martin Petricek
> #                   Former team members: Miroslav Jahoda
> #
> # 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; version 2 of the License.
> #
> # 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 (in doc/LICENSE.GPL); if not, write to the 
> # Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, 
> # MA  02111-1307  USA
> #
> # Project is hosted on http://sourceforge.net/projects/pdfedit
> AC_DEFUN([AX_PDFEDIT_CORE_DEV],
> [
> 	AC_ARG_WITH([pdfedit-core-dev-config],
> 		AS_HELP_STRING([--with-pdfedit-core-dev-config@<:@=special-lib@:>@],
> 			[use the specific pdfedit-core-dev-config script]
> 		),
> 		[
> 		if test "$withval" = "no"; then
> 			want_pdfedit_core_dev="no"
> 		elif test "$withval" = "yes"; then
> 			want_pdfedit_core_dev="yes"
> 			ax_pdfedit_user_core_dev_config=""
> 		else
> 		{
> 			want_pdfedit_core_dev="yes"
> 			if test -x $withval; then
> 				ax_pdfedit_user_core_dev_config="$withval"
> 				AC_MSG_NOTICE(Using provided $ax_pdfedit_user_core_dev_config configuration script for pdfedit-core-dev)
> 			else
> 				AC_MSG_ERROR(--with-pdfedit-core-dev-config expected executable file)
> 			fi
> 		}
> 		fi
> 		],
> 		[want_pdfedit_core_dev="yes"]
> 	)
> 
> 	if test "x$want_pdfedit_core_dev" = "xyes"; 
> 	then
> 		AC_REQUIRE([AC_PROG_CC])
> 		export want_pdfedit_core_dev
> 
> 		CPPFLAGS_SAVED="$CPPFLAGS"
> 		LDFLAGS_SAVED="$LDFLAGS"
> 		config="pdfedit-core-dev-config"
> 		ax_pdfedit_core_dev_config="$ax_pdfedit_user_core_dev_config"
> 		if test -z "$ax_pdfedit_core_dev_config"
> 		then
> 			for i in  $PDFEDIT_CORE_DEV_PATH/bin/$config $exec_prefix/$config /usr/bin/$config /usr/local/bin/$config
> 			do
> 				if test -x "$i"
> 				then
> 					ax_pdfedit_core_dev_config="$i"
> 					break;
> 				fi
> 			done
> 		fi
> 
> 		if test -z "$ax_pdfedit_core_dev_config"
> 		then
> 			AC_MSG_ERROR($config not found)
> 		fi
> 
> 		PDFEDIT_CORE_DEV_CPPFLAGS="`$ax_pdfedit_core_dev_config --cflags`"
> 		CPPFLAGS="$CPPFLAGS $PDFEDIT_CORE_DEV_CPPFLAGS"
> 		export CPPFLAGS
> 		PDFEDIT_CODE_DEV_LDFLAGS="`$ax_pdfedit_core_dev_config --libs`"
> 		LDFLAGS="$LDFLAGS $PDFEDIT_CODE_DEV_LDFLAGS"
> 		export LDFLAGS
> 		AC_CACHE_CHECK([whether pdfedit-core-dev library is available],
> 			ax_cv_pdfedit_core_dev,
> 			[AC_LANG_PUSH(C++)
> 				AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[@%:@include <kernel/pdfedit-core-dev.h>]],
> 					[[pdfedit_core_dev_init(); return 0;]]),
> 					ax_cv_pdfedit_core_dev=yes, ax_cv_pdfedit_core_dev=no)
> 			 AC_LANG_POP([C++])
> 			]
> 		)
> 		if test "$ax_cv_pdfedit_core_dev" = "no"
> 		then
> 			AC_MSG_ERROR(Not able to link with pdfedit-core-dev library)
> 		fi
> 		ax_pdfedit_version="`$ax_pdfedit_core_dev_config --version`"
> 		AC_MSG_NOTICE(pdfedit-core-dev with $ax_pdfedit_version found)
> 		CPPFLAGS="$CPPFLAGS_SAVED"
> 		LDFLAGS="$LDFLAGS_SAVED"
> 		AC_SUBST(PDFEDIT_CORE_DEV_CPPFLAGS)
> 		AC_SUBST(PDFEDIT_CODE_DEV_LDFLAGS)
> 	else
> 		AC_MSG_NOTICE(Not using pdfedit-core-dev)
> 	fi
> ]
> )

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-- 
Michal Hocko