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path: root/macros/gnome-objc-checks.m4
blob: ac8bdf5ca5d37b7a450708eae2164ef0f0ca1fbe (plain) (tree)
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AC_DEFUN([GNOME_CHECK_OBJC],
[
dnl Look for an ObjC compiler.
dnl FIXME: extend list of possible names of ObjC compilers.
    AC_CHECK_PROGS(OBJC, $OBJC gcc, "")


    oLIBS=$LIBS
    LIBS="$LIBS $PTHREAD_LIB"
    AC_SUBST(PTHREAD_LIB)
    AC_CHECK_FUNC(sched_yield,,[
      AC_CHECK_LIB(posix4,sched_yield,PTHREAD_LIB="$PTHREAD_LIB -lposix4")])
    LIBS=$oLIBS

    AC_CACHE_CHECK([if Objective C compiler ($OBJC) works],
               ac_cv_prog_objc_works, [
    if test -n "$OBJC"; then
   cat > conftest.m <<EOF
#include <objc/Object.h>
@interface myRandomObj : Object
{
}
@end
@implementation myRandomObj
@end
int main () {
  /* No, you are not seeing double.  Remember that square brackets
     are the autoconf m4 quotes.  */
  id myid = [[myRandomObj alloc]];
  [[myid free]];
  return 0;
}
EOF

       $OBJC -o conftest $LDFLAGS conftest.m -lobjc $PTHREAD_LIB 1>&AC_FD_CC 2>&1
       result=$?
       rm -f conftest*

       if test $result -eq 0; then
          ac_cv_prog_objc_works=yes
       fi
    else
       ac_cv_prog_objc_works=no
    fi
    ])

    AM_CONDITIONAL(OBJECTIVE_C, test x$ac_cv_prog_objc_works = xyes)
])

AC_DEFUN([GNOME_INIT_OBJC],
[
        AC_MSG_CHECKING(Loading obGnomeConf.sh values)
    if test -e $gnome_prefix/obGnomeConf.sh; then
        . $gnome_prefix/obGnomeConf.sh
        AC_MSG_RESULT(found)
    else
        AC_MSG_ERROR(Could not find the obGnomeConf.sh file that is generated by gnome-objc install)
    fi
    AC_SUBST(OBGNOME_LIBS)
    AC_SUBST(OBGTK_LIBS)
])