Imported GNU Classpath 0.19 + gcj-import-20051115.

       * sources.am: Regenerated.
       * Makefile.in: Likewise.
       * scripts/makemake.tcl: Use glob -nocomplain.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@107049 138bc75d-0d04-0410-961f-82ee72b054a4

2 files changed, 39 insertions, 39 deletions

diff --git a/libjava/classpath/m4/acattribute.m4 b/libjava/classpath/m4/acattribute.m4
new file mode 100644
index 00000000000..7b490d4b7cb
--- /dev/null
+++ b/libjava/classpath/m4/acattribute.m4
@@ -0,0 +1,25 @@
+dnl modified AC_C_INLINE from autoconf/c.m4
+
+AN_IDENTIFIER([attribute], [AC_C_ATTRIBUTE])
+AC_DEFUN([AC_C_ATTRIBUTE],
+[AC_CACHE_CHECK([for __attribute__], ac_cv_c_attribute,
+[
+AC_COMPILE_IFELSE([AC_LANG_SOURCE(
+[void foo(void) __attribute__ ((__noreturn__));]
+)],
+[ac_cv_c_attribute=yes],
+[ac_cv_c_attribute=no]
+)
+])
+AH_VERBATIM([attribute],
+[/* Define to `__attribute__' to nothing if it's not supported.  */
+#undef __attribute__])
+case $ac_cv_c_attribute in
+  yes) ;;
+  no)
+    cat >>confdefs.h <<_ACEOF
+#define __attribute__(x)    /* nothing */
+_ACEOF
+    ;;
+esac
+])# AC_C_ATTRIBUTE
diff --git a/libjava/classpath/m4/acinclude.m4 b/libjava/classpath/m4/acinclude.m4
index e05a2f8e7b5..e41321f89f3 100644
--- a/libjava/classpath/m4/acinclude.m4
+++ b/libjava/classpath/m4/acinclude.m4
@@ -63,48 +63,23 @@ AC_DEFUN([CLASSPATH_CHECK_GCJ],
   else
     AC_PATH_PROG(GCJ, "gcj")
   fi  
-
+  dnl Test the given GCJ, but use it as C (!) compiler to check version
   if test "x$GCJ" != x; then
-    ## GCC version 2 puts out version messages that looked like:
-    ##   2.95
-
-    ## GCC version 3 puts out version messages like:
-    ##   gcj (GCC) 3.3.3
-    ##   Copyright (C) 2003 Free Software Foundation, Inc.
-    ##   This is free software; see the source for copying conditions.  There is NO
-    ##   warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-    AC_MSG_CHECKING(gcj version)
-    ## Take the output from gcj --version and extract just the version number
-    ## into GCJ_VERSION.
-    ## (we need to do this to be compatible with both GCC 2 and GCC 3 version
-    ##  numbers)
-    ## 
-    ## First, we get rid of everything before the first number on that line.
-    ## Assume that the first number on that line is the start of the
-    ## version.
-    ##
-    ## Second, while we're at it, go ahead and get rid of the first character
-    ## that is not part of a version number (i.e., is neither a digit nor
-    ## a dot).
-    ##
-    ## Third, quit, so that we won't process the second and subsequent lines.
-    GCJ_VERSION=`$GCJ --version | sed -e 's/^@<:@^0-9@:>@*//' -e 's/@<:@^.0-9@:>@@<:@^.0-9@:>@*//' -e 'q'` 
-    GCJ_VERSION_MAJOR=`echo "$GCJ_VERSION" | cut -d '.' -f 1`
-    GCJ_VERSION_MINOR=`echo "$GCJ_VERSION" | cut -d '.' -f 2`
-
-    if expr "$GCJ_VERSION_MAJOR" \< 3 > /dev/null; then
-      GCJ=""
-    fi
-    if expr "$GCJ_VERSION_MAJOR" = 3 > /dev/null; then
-      if expr "$GCJ_VERSION_MINOR" \< 3; then
-        GCJ=""
-      fi
-    fi
-    if test "x$GCJ" != x; then
-      AC_MSG_RESULT($GCJ_VERSION)
+    AC_MSG_CHECKING([gcj version 4.0])
+    AC_LANG_PUSH([C])
+    AC_LANG_CONFTEST(
+    [[#if __GNUC__ <= 3
+    #error GCJ 4.0.0 or higher is required
+    #endif
+    ]])
+    $GCJ -E conftest.c > /dev/null
+    gcj_4_result=$?
+    if test "x$gcj_4_result" = "x0"; then
+      AC_MSG_RESULT([4.0 or higher found])
     else
-      AC_MSG_WARN($GCJ_VERSION: gcj 3.3 or higher required)
+      AC_MSG_WARN([4.0 or higher required])
     fi
+    AC_LANG_POP
   fi 
 ])