Bug 196004: added a test to determine whether gcc uses GNU ld or the native

ld.  This test is useful on Solaris.  Then, use this test to provide better
support for gcc on Solaris.  We can use the right linker flags depending on
the ld that gcc uses. r=cls.

configure.in

@@ -296,6 +296,11 @@ fi
 if test "`echo | $LD -v 2>&1 | grep -c GNU`" != "0"; then
     GNU_LD=1
 fi
+if test "$GNU_CC"; then
+    if `$CC -print-prog-name=ld` -v 2>&1 | grep -c GNU >/dev/null; then
+        GCC_USE_GNU_LD=1
+    fi
+fi
 
 dnl Special win32 checks
 dnl ========================================================
@@ -1481,11 +1486,13 @@ case "$target" in
         MOZ_COMPONENTS_VERSION_SCRIPT_LDFLAGS='-Wl,--version-script -Wl,$(BUILD_TOOLS)/gnu-ld-scripts/components-version-script'
         ;;
     *-solaris*)
-        if test -z "$GNU_LD"; then
+        if test -z "$GNU_CC"; then
-         if test -z "$GNU_CC"; then
+         MOZ_COMPONENTS_VERSION_SCRIPT_LDFLAGS='-M $(BUILD_TOOLS)/gnu-ld-scripts/components-mapfile'
-          MOZ_COMPONENTS_VERSION_SCRIPT_LDFLAGS='-M $(BUILD_TOOLS)/gnu-ld-scripts/components-mapfile'
+        else
-         else
+         if test -z "$GCC_USE_GNU_LD"; then
           MOZ_COMPONENTS_VERSION_SCRIPT_LDFLAGS='-Wl,-M -Wl,$(BUILD_TOOLS)/gnu-ld-scripts/components-mapfile'
+         else
+          MOZ_COMPONENTS_VERSION_SCRIPT_LDFLAGS='-Wl,--version-script -Wl,$(BUILD_TOOLS)/gnu-ld-scripts/components-version-script'
          fi
         fi
         ;;