Re: libtool and gcj

[Albert Chin]

On Fri, Mar 01, 2002 at 06:58:08AM -0800, Anthony Green wrote:
> On Fri, 2002-03-01 at 00:19, Per Bothner wrote:
> > Of course the real fix involves fixing ltmain.sh, but that goes
> > beyond my ability to peer into the bowels of libtool.
> 
> The other bad thing I should mention is the test to see if gcj can use
> both -c and -o.  This test is failing for some unknown reason, causing
> bad problems for my project.   I don't think libtool should even perform
> this test.  gcj is known to always handle -c and -o.

Try the patch below and let me know if it works. Note this removes
-DPIC completely (even for C, C++).

-- 
albert chin (address@hidden)

-- snip snip
Index: libtool.m4
===================================================================
RCS file: /cvsroot/libtool/libtool/libtool.m4,v
retrieving revision 1.248
diff -u -3 -p -r1.248 libtool.m4
--- libtool.m4  7 Feb 2002 19:54:36 -0000       1.248
+++ libtool.m4  1 Mar 2002 17:31:17 -0000
@@ -832,8 +832,8 @@ AC_CACHE_CHECK([if $compiler supports -c
                   CFLAGS="$CFLAGS -o out/conftest2.$ac_objext"],
          [$1],[CXX],[save_CXXFLAGS="$CXXFLAGS"
                   CXXFLAGS="$CXXFLAGS -o out/conftest2.$ac_objext"],
-         [$1],[GCJ],[save_GCJFLAGS="$GCJFLAGS"
-                  GCJFLAGS="$GCJFLAGS -o out/conftest2.$ac_objext"])
+         [$1],[GCJ],[save_CFLAGS="$CFLAGS"
+                  CFLAGS="$GCJFLAGS -o out/conftest2.$ac_objext"])
    echo "$lt_simple_compile_test_code" > conftest.$ac_ext
 
    # According to Tom Tromey, Ian Lance Taylor reported there are C compilers
@@ -856,7 +856,7 @@ AC_CACHE_CHECK([if $compiler supports -c
    fi
    ifelse([$1],[],[CFLAGS="$save_CFLAGS"],
          [$1],[CXX],[CXXFLAGS="$save_CXXFLAGS"],
-         [$1],[GCJ],[GCJFLAGS="$save_GCJFLAGS"])
+         [$1],[GCJ],[CFLAGS="$save_CFLAGS"])
    chmod u+w .
    $rm conftest* out/*
    rmdir out
@@ -3155,7 +3158,7 @@ objext=o
 _LT_AC_TAGVAR(objext, $1)=$objext
 
 # Code to be used in simple compile tests
-lt_simple_compile_test_code="class foo {}"
+lt_simple_compile_test_code="class foo {};"
 
 # Code to be used in simple link tests
 lt_simple_link_test_code='public class conftest { public static void 
main(String[] argv) {}; }'
@@ -4294,7 +4297,7 @@ AC_MSG_RESULT([$_LT_AC_TAGVAR(lt_prog_co
 if test -n "$_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)"; then
   AC_LIBTOOL_COMPILER_OPTION([if $compiler PIC flag 
$_LT_AC_TAGVAR(lt_prog_compiler_pic, $1) works],
     _LT_AC_TAGVAR(lt_prog_compiler_pic_works, $1),
-    [$_LT_AC_TAGVAR(lt_prog_compiler_pic, $1) -DPIC], [],
+    [$_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)], [],
     [case $_LT_AC_TAGVAR(lt_prog_compiler_pic, $1) in
      "" | " "*) ;;
      *) _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=" 
$_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)" ;;
@@ -4302,15 +4305,6 @@ if test -n "$_LT_AC_TAGVAR(lt_prog_compi
     [_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=
      _LT_AC_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no])
 fi
-case "$host_os" in
-  # For platforms which do not support PIC, -DPIC is meaningless:
-  *djgpp*)
-    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=
-    ;;
-  *)
-    _LT_AC_TAGVAR(lt_prog_compiler_pic, 
$1)="$_LT_AC_TAGVAR(lt_prog_compiler_pic, $1) -DPIC"
-    ;;
-esac
 ])