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Viewing changes to macros/gnome-objc-checks.m4

  • Committer: Bazaar Package Importer
  • Author(s): Joe Drew
  • Date: 2002-01-13 02:13:27 UTC
  • Revision ID: james.westby@ubuntu.com-20020113021327-dukaa4n50oykvrjg
Tags: upstream-0.9.6
Import upstream version 0.9.6

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macros/gnome-objc-checks.m4
 
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AC_DEFUN([GNOME_CHECK_OBJC],
 
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[
 
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dnl Look for an ObjC compiler.
 
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dnl FIXME: extend list of possible names of ObjC compilers.
 
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  AC_CHECK_PROGS(OBJC, $OBJC egcs, "")
 
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  if test "x$OBJC" = "x" ; then
 
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    AC_CHECK_PROGS(OBJC, $OBJC egcc, "")
 
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    if test "x$OBJC" = "x" ; then
 
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      AC_CHECK_PROGS(OBJC, $OBJC gcc, "")
 
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    fi
 
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  fi
 
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  AC_REQUIRE([GNOME_PTHREAD_CHECK])
 
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  OBJC_LIBS="-lobjc $PTHREAD_LIB"
 
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  AC_CHECK_FUNC(sched_yield,,[
 
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    AC_CHECK_LIB(rt,sched_yield,
 
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      OBJC_LIBS="$OBJC_LIBS -lrt",[
 
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      AC_CHECK_LIB(posix4,sched_yield,
 
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        OBJC_LIBS="$OBJC_LIBS -lposix4",, 
 
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        $OBJC_LIBS)],
 
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      $OBJC_LIBS)])
 
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  AC_SUBST(OBJC_LIBS)
 
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  AC_CACHE_CHECK([if Objective C compiler ($OBJC) works],
 
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                 ac_cv_prog_objc_works, [
 
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    if test -n "$OBJC"; then
 
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      cat > conftest.m <<EOF
 
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#include <objc/Object.h>
 
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@interface myRandomObj : Object
 
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{
 
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}
 
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@end
 
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@implementation myRandomObj
 
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@end
 
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int main () {
 
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  /* No, you are not seeing double.  Remember that square brackets
 
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     are the autoconf m4 quotes.  */
 
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  id myid = [[myRandomObj alloc]];
 
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  [[myid free]];
 
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  return 0;
 
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}
 
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EOF
 
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      $OBJC $CFLAGS -o conftest $LDFLAGS conftest.m $OBJC_LIBS 1>&AC_FD_CC 2>&1
 
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      result=$?
 
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      rm -f conftest*
 
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      if test $result -eq 0; then
 
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        ac_cv_prog_objc_works=yes
 
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      fi
 
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    else
 
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      ac_cv_prog_objc_works=no
 
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    fi
 
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  ])
 
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  AM_CONDITIONAL(OBJECTIVE_C, test x$ac_cv_prog_objc_works = xyes)
 
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  dnl Also set the shell variable OBJECTIVE_C to "yes" or "no".
 
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  OBJECTIVE_C=$ac_cv_prog_objc_works
 
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])
 
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AC_DEFUN([GNOME_INIT_OBJC],
 
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[
 
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        AC_MSG_CHECKING(for an obGnomeConf.sh)
 
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        my_gnome_libdir=`$GNOME_CONFIG --libdir`
 
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        if test -f $my_gnome_libdir/obGnomeConf.sh; then
 
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            . $my_gnome_libdir/obGnomeConf.sh
 
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            AC_MSG_RESULT(found $my_gnome_libdir)
 
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            ac_cv_have_gnome_objc=yes
 
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        else
 
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            AC_MSG_RESULT(not found)
 
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            AC_MSG_WARN(Could not find the obGnomeConf.sh file that is generated by gnome-objc install)
 
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            ac_cv_have_gnome_objc=no
 
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        fi
 
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        dnl Add a conditional on whether or not we have gnome-objc
 
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        AM_CONDITIONAL(HAVE_GNOME_OBJC, test x$ac_cv_have_gnome_objc = xyes)
 
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        HAVE_GNOME_OBJC=$ac_cv_have_gnome_objc
 
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        AC_SUBST(OBGNOME_INCLUDEDIR)
 
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        AC_SUBST(OBGNOME_LIBS)
 
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        AC_SUBST(OBGTK_LIBS)
 
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])