1# gcj.m4 serial 1 (gettext-0.11.3) 2dnl Copyright (C) 2002 Free Software Foundation, Inc. 3dnl This file is free software; the Free Software Foundation 4dnl gives unlimited permission to copy and/or distribute it, 5dnl with or without modifications, as long as this notice is preserved. 6 7# Check for a Java compiler that creates executables. 8# Assigns the variables GCJ and GCJFLAGS, and set HAVE_GCJ to nonempty, 9# if found. Otherwise sets HAVE_GCJ to empty. 10 11AC_DEFUN([gt_GCJ], 12[ 13 AC_ARG_VAR([GCJ], [Java native code compiler command]) 14 AC_ARG_VAR([GCJFLAGS], [Java native code compiler flags]) 15 16 AC_MSG_CHECKING([for Java to native code compiler]) 17 # Search for the gcj command or use the one provided by the user. 18 if test -z "$GCJ"; then 19 pushdef([AC_MSG_CHECKING],[:])dnl 20 pushdef([AC_CHECKING],[:])dnl 21 pushdef([AC_MSG_RESULT],[:])dnl 22 AC_CHECK_PROGS(GCJ, [gcj], [none]) 23 popdef([AC_MSG_RESULT])dnl 24 popdef([AC_CHECKING])dnl 25 popdef([AC_MSG_CHECKING])dnl 26 fi 27 # Choose GCJFLAGS or use the one provided by the user. 28 if test "$GCJ" != none; then 29 test "${GCJFLAGS+set}" != set || GCJFLAGS="-O2 -g" 30 fi 31 # Check whether the version is ok and it can create executables. 32 ac_gcj_link="$GCJ $GCJFLAGS conftest.java --main=conftest -o conftest$ac_exeext" 33changequote(,)dnl 34 if test "$GCJ" != none \ 35 && $GCJ --version 2>/dev/null | sed -e 's,^[^0-9]*,,' -e 1q | grep '^[3-9]' >/dev/null \ 36 && ( 37 # See if libgcj.so is well installed and if exception handling works. 38 cat > conftest.java <<EOF 39public class conftest { 40 public static void main (String[] args) { 41 try { 42 java.util.ResourceBundle.getBundle("foobar"); 43 } catch (Exception e) { 44 } 45 System.exit(0); 46 } 47} 48EOF 49changequote([,])dnl 50 AC_TRY_EVAL([ac_gcj_link]) 51 error=$? 52 if test $error = 0 && test "$cross_compiling" != yes; then 53 # Run conftest and catch its exit status, but silently. 54 error=`./conftest >/dev/null 2>&1; echo $?` 55 test $error = 0 || error=1 56 rm -f core conftest.core 57 fi 58 rm -f conftest.java conftest$ac_exeext 59 exit $error 60 ); then 61 : 62 else 63 GCJ=none 64 fi 65 AC_MSG_RESULT($GCJ) 66 if test "$GCJ" != none; then 67 HAVE_GCJ=1 68 else 69 HAVE_GCJ= 70 fi 71 AC_SUBST(GCJ) 72 AC_SUBST(GCJFLAGS) 73 AC_SUBST(HAVE_GCJ) 74]) 75