# aclocal.m4 - Local additions to Autoconf macros.

# Copyright (C) 1995 - 2006 Michael Riepe

#

# This library is free software; you can redistribute it and/or

# modify it under the terms of the GNU Library General Public

# License as published by the Free Software Foundation; either

# version 2 of the License, or (at your option) any later version.

#

# This library 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

# Library General Public License for more details.

#

# You should have received a copy of the GNU Library General Public

# License along with this library; if not, write to the Free Software

# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

# @(#) $Id: aclocal.m4,v 1.27 2007/09/07 12:07:59 michael Exp $

AC_PREREQ(2.13)

dnl mr_PACKAGE(package-name)

AC_DEFUN(mr_PACKAGE, [changequote(<<, >>)dnl

  changequote([, ])dnl

  PACKAGE=$1

  VERSION=`cat $srcdir/VERSION`

  AC_SUBST(PACKAGE)

  AC_SUBST(VERSION)

  AC_ARG_ENABLE(maintainer-mode,

    [  --enable-maintainer-mode

                          enable maintainer-specific make rules (default: auto)],

    [mr_enable_maintainer_mode="$enableval"],

    [case :${I_AM_THE_MAINTAINER_OF}: in

      *:$1:*) mr_enable_maintainer_mode=yes;;

      *) mr_enable_maintainer_mode=no;;

    esac])

  if test x"$mr_enable_maintainer_mode" = x"yes"; then

    MAINT=

  else

    MAINT='maintainer-only-'

  fi

  AC_SUBST(MAINT)

])

AC_DEFUN(mr_ENABLE_NLS, [

  AC_PROVIDE([$0])

  # Needed for `make dist' even if NLS is disabled.

  GMOFILES=

  MSGFILES=

  POFILES=

  for mr_lang in $ALL_LINGUAS; do

    GMOFILES="$GMOFILES $mr_lang.gmo"

    MSGFILES="$MSGFILES $mr_lang.msg"

    POFILES="$POFILES $mr_lang.po"

  done

  AC_SUBST(GMOFILES)

  AC_SUBST(MSGFILES)

  AC_SUBST(POFILES)

  AC_MSG_CHECKING([whether NLS is requested])

  AC_ARG_ENABLE(nls,

    [  --enable-nls            use Native Language Support (default: yes)],

    [mr_enable_nls="$enableval"],

    [mr_enable_nls=yes])

  AC_MSG_RESULT($mr_enable_nls)

  CATOBJEXT=

  INSTOBJEXT=

  localedir=

  if test "$mr_enable_nls" = yes; then

    mr_PATH=`echo ":$PATH" | sed -e 's,:[^:]*openwin[^:]*,,g' -e 's,^:,,'`

    AC_CACHE_CHECK([for dgettext],

      mr_cv_func_dgettext, [

	AC_TRY_LINK([#include <libintl.h>],

	  [char *s = dgettext("", ""); return 0],

	  [mr_cv_func_dgettext=yes],

	  [mr_cv_func_dgettext=no])

    ])

    if test "$mr_cv_func_dgettext" = yes; then

      AC_PATH_PROG(MSGFMT, msgfmt, no, $mr_PATH)

      if test "$MSGFMT" != no; then

	AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT, $mr_PATH)

	AC_PATH_PROG(XGETTEXT, xgettext, xgettext, $mr_PATH)

	AC_PATH_PROG(MSGMERGE, msgmerge, msgmerge, $mr_PATH)

	AC_CACHE_CHECK([for GNU gettext],

	  mr_cv_gnu_gettext, [

	    AC_TRY_LINK([],

	      [extern int _nl_msg_cat_cntr; return _nl_msg_cat_cntr],

	      [mr_cv_gnu_gettext=yes],

	      [mr_cv_gnu_gettext=no])

	])

	if test "$mr_cv_gnu_gettext" = yes; then

	  AC_CACHE_CHECK([for losing catgets-based GNU gettext],

	    mr_cv_catgets_based_gettext, [

	      AC_TRY_LINK([],

		[extern int _msg_tbl_length; return _msg_tbl_length],

		[mr_cv_catgets_based_gettext=yes],

		[mr_cv_catgets_based_gettext=no])

	  ])

	  if test "$mr_cv_catgets_based_gettext" = yes; then

	    # This loses completely. Turn it off and use catgets.

	    LIBS=`echo $LIBS | sed 's,-lintl,,g'`

	    mr_cv_func_dgettext=no

	  else

	    # Is there a better test for this case?

	    AC_CACHE_CHECK([for pure GNU gettext],

	      mr_cv_pure_gnu_gettext, [

		AC_TRY_LINK([],

		  [extern int gettext(); return gettext()],

		  [mr_cv_pure_gnu_gettext=yes],

		  [mr_cv_pure_gnu_gettext=no])

	    ])

	    if test "$mr_cv_pure_gnu_gettext" = yes; then

	      CATOBJEXT=.gmo

	      localedir='$(prefix)/share/locale'

	    else

	      CATOBJEXT=.mo

	      localedir='$(prefix)/lib/locale'

	    fi

	    INSTOBJEXT=.mo

	  fi

	else

	  # System provided gettext

	  CATOBJEXT=.mo

	  INSTOBJEXT=.mo

	  localedir='$(prefix)/lib/locale'

	fi

      else

	# Gettext but no msgfmt. Try catgets.

	mr_cv_func_dgettext=no

      fi

    fi

    if test "$mr_cv_func_dgettext" = yes; then

      AC_DEFINE(HAVE_DGETTEXT)

    else

      AC_CACHE_CHECK([for catgets], mr_cv_func_catgets, [

	AC_TRY_LINK([#include <nl_types.h>],

	  [catgets(catopen("",0),0,0,"");return 0;],

	  [mr_cv_func_catgets=yes],

	  [mr_cv_func_catgets=no])

      ])

      if test "$mr_cv_func_catgets" = yes; then

	AC_PATH_PROG(GENCAT, gencat, no, $mr_PATH)

	if test "$GENCAT" != no; then

	  AC_DEFINE(HAVE_CATGETS)

	  AC_PATH_PROG(GMSGFMT, [gmsgfmt msgfmt], msgfmt, $mr_PATH)

	  AC_PATH_PROG(XGETTEXT, xgettext, xgettext, $mr_PATH)

	  CATOBJEXT=.cat

	  INSTOBJEXT=.cat

	  localedir='$(prefix)/lib/locale'

	fi

      else

	AC_MSG_WARN([no NLS support, disabled])

	mr_enable_nls=no

      fi

    fi

  fi

  AC_SUBST(CATOBJEXT)

  AC_SUBST(INSTOBJEXT)

  AC_SUBST(localedir)

  POSUB=

  CATALOGS=

  if test "$mr_enable_nls" = yes; then

    AC_MSG_CHECKING([for catalogs to be installed])

    mr_linguas=

    for mr_lang in ${LINGUAS=$ALL_LINGUAS}; do

      case " $ALL_LINGUAS " in

	*" $mr_lang "*)

	  mr_linguas="$mr_linguas$mr_lang "

	  CATALOGS="$CATALOGS $mr_lang$CATOBJEXT"

	  ;;

      esac

    done

    AC_MSG_RESULT($mr_linguas)

    POSUB=po

  fi

  AC_SUBST(CATALOGS)

  AC_SUBST(POSUB)

])

AC_DEFUN(mr_TARGET_ELF, [

  AC_PROVIDE([$0])

  AC_CACHE_CHECK([for native ELF system],

    mr_cv_target_elf,

    [AC_TRY_RUN(changequote(<<, >>)dnl

<<#include <stdio.h>

int

main(int argc, char **argv) {

  char buf[BUFSIZ];

  FILE *fp;

  int n;

  if ((fp = fopen(*argv, "r")) == NULL) {

    exit(1);

  }

  n = fread(buf, 1, sizeof(buf), fp);

  if (n >= 52

   && buf[0] == '\177'

   && buf[1] == 'E'

   && buf[2] == 'L'

   && buf[3] == 'F') {

    exit(0);

  }

  exit(1);

}>>, changequote([, ])dnl

      mr_cv_target_elf=yes,

      mr_cv_target_elf=no,

      mr_cv_target_elf=no)])])

AC_DEFUN(mr_ENABLE_SHARED, [

  AC_PROVIDE([$0])

  PICFLAGS=

  SHLIB_SFX=

  SHLINK_SFX=

  SONAME_SFX=

  LINK_SHLIB=

  INSTALL_SHLIB=

  DEPSHLIBS=

  AC_MSG_CHECKING([whether to build a shared library])

  AC_ARG_ENABLE(shared,

    [  --enable-shared         build shared library (default: yes)],

    [mr_enable_shared="$enableval"],

    [mr_enable_shared=yes])

  AC_MSG_RESULT($mr_enable_shared)

  if test "$mr_enable_shared" = yes; then

    AC_MSG_CHECKING([whether GNU naming conventions are requested])

    AC_ARG_ENABLE(gnu-names,

      [  --enable-gnu-names      use GNU library naming conventions (default: no)],

      [mr_enable_gnu_names="$enableval"],

      [mr_enable_gnu_names=no])

    AC_MSG_RESULT($mr_enable_gnu_names)

    AC_REQUIRE([AC_CANONICAL_HOST])

    AC_REQUIRE([AC_PROG_CC])

    AC_PATH_PROG(LD, ld, ld)

    case "$host" in

      *-linux*|*-gnu*)

	if test "$GCC" = yes; then

	  mr_TARGET_ELF

	  if test "$mr_cv_target_elf" = yes; then

	    PICFLAGS='-fPIC -DPIC'

	    if test "$mr_enable_gnu_names" = yes

	    then SHLIB_SFX='-$(VERSION).so'

	    else SHLIB_SFX='.so.$(VERSION)'

	    fi

	    SHLINK_SFX='.so'

	    SONAME_SFX='.so.$(MAJOR)'

	    LINK_SHLIB='$(CC) -shared -Wl,-soname,$(SONAME)'

	    INSTALL_SHLIB='$(INSTALL_PROGRAM)'

	    DEPSHLIBS='-lc'

	  else

	    AC_MSG_WARN([shared libraries not supported for $host])

	    mr_enable_shared=no

	  fi

	elif ${CC} -V 2>&1 | grep 'Intel(R) C++ Compiler' >/dev/null 2>&1; then

	  AC_MSG_WARN([Use --disable-shared if $CC fails to build the shared library])

	  PICFLAGS='-fPIC -DPIC'

	  if test "$mr_enable_gnu_names" = yes

	  then SHLIB_SFX='-$(VERSION).so'

	  else SHLIB_SFX='.so.$(VERSION)'

	  fi

	  SHLINK_SFX='.so'

	  SONAME_SFX='.so.$(MAJOR)'

	  LINK_SHLIB='$(CC) -shared -Wl,-soname,$(SONAME)'

	  INSTALL_SHLIB='$(INSTALL_PROGRAM)'

	  DEPSHLIBS='-lc'

	else

	  AC_MSG_WARN([GNU CC required for building shared libraries])

	  mr_enable_shared=no

	fi

	;;

      i386-pc-nto-qnx*)

	mr_TARGET_ELF

	if test "$mr_cv_target_elf" = yes; then

	  PICFLAGS='-fPIC -DPIC'

	  if test "$mr_enable_gnu_names" = yes

	  then SHLIB_SFX='-$(VERSION).so'

	  else SHLIB_SFX='.so.$(VERSION)'

	  fi

	  SHLINK_SFX='.so'

	  SONAME_SFX='.so.$(MAJOR)'

	  LINK_SHLIB='$(CC) -shared -Wl,-soname,$(SONAME)'

	  INSTALL_SHLIB='$(INSTALL_PROGRAM)'

	  DEPSHLIBS='-lc'

	else

	  AC_MSG_WARN([shared libraries not supported for $host])

	  mr_enable_shared=no

	fi

	;;

      sparc-sun-solaris2*)

	if test "$GCC" = yes; then

	  PICFLAGS='-fPIC -DPIC'

	else

	  PICFLAGS='-K PIC -DPIC'

	fi

	if test "$mr_enable_gnu_names" = yes

	then SHLIB_SFX='-$(MAJOR).so'

	else SHLIB_SFX='.so.$(MAJOR)'

	fi

	SONAME_SFX='.so.$(MAJOR)'

	SHLINK_SFX='.so'

	LINK_SHLIB='$(LD) -G -z text -h $(SONAME)'

	INSTALL_SHLIB='$(INSTALL_PROGRAM)'

	;;

      *)

	AC_MSG_WARN([shared libraries not supported for $host])

	mr_enable_shared=no

	;;

    esac

  else

    mr_enable_shared=no

  fi

  AC_SUBST(PICFLAGS)

  AC_SUBST(SHLIB_SFX)

  AC_SUBST(SHLINK_SFX)

  AC_SUBST(SONAME_SFX)

  AC_SUBST(LINK_SHLIB)

  AC_SUBST(INSTALL_SHLIB)

  AC_SUBST(DEPSHLIBS)

  DO_SHLIB="$mr_enable_shared"

  AC_SUBST(DO_SHLIB)

])

AC_DEFUN(mr_ENABLE_DEBUG, [

  AC_PROVIDE([$0])

  AC_ARG_ENABLE(debug,

    [  --enable-debug          include extra debugging code (default: no)],

    [mr_enable_debug="$enableval"],

    [mr_enable_debug=no])

  if test "$mr_enable_debug" = yes; then

    AC_DEFINE(ENABLE_DEBUG)

  fi

])

# vi: set ts=8 sw=2 :