--- rxvt-unicode/configure.ac	2011/12/13 19:13:27	1.131
+++ rxvt-unicode/configure.ac	2012/01/18 19:44:09	1.136
@@ -11,8 +11,8 @@
 
 dnl RXVT version
 changequote(, )dnl
-VERSION=`sed -n -e 's/^.*[ \t]VERSION.*"\(.*\)"$/\1/p' ${srcdir}/src/version.h`
-DATE=`sed -n -e 's/^.*[ \t]DATE.*"\(.*\)"$/\1/p' ${srcdir}/src/version.h`
+VERSION=`sed -n -e 's/^.* VERSION.*"\(.*\)"$/\1/p' ${srcdir}/src/version.h`
+DATE=`sed -n -e 's/^.* DATE.*"\(.*\)"$/\1/p' ${srcdir}/src/version.h`
 changequote([, ])dnl
 AC_SUBST(VERSION)dnl
 AC_SUBST(DATE)dnl
@@ -34,6 +34,7 @@
 AC_ISC_POSIX
 AC_LANG(C++)
 
+LINKER="$CXX"
 dnl check whether we can link with gcc -lsupc++
 if test x$GCC = xyes && test x$GXX = xyes; then
    dnl FreeBSD (at least up to 5.3) has a broken GCC, workaround it
@@ -42,14 +43,13 @@
    save_LIBS="$LIBS"
    CXX="$CC"
    LIBS="$LIBS -lsupc++"
-   LINKER="$CC"
    AC_LINK_IFELSE(
       [AC_LANG_PROGRAM([struct test { }; void f() try { throw new test; } catch (...) { throw; }],[])],
-      [AC_MSG_RESULT(ok)],
+      [AC_MSG_RESULT(ok)
+       LINKER="$CC"],
       [
          AC_MSG_RESULT([no, making everything bigger and slower])
          LIBS="$save_LIBS"
-         LINKER="$save_CXX"
       ]
    )
    CXX="$save_CXX"
@@ -97,7 +97,6 @@
 support_xim=yes
 support_pixbuf=yes
 support_startup_notification=yes
-support_afterimage=yes
 support_xft=yes
 support_unicode3=no
 support_combining=yes
@@ -134,7 +133,6 @@
        support_xim=no
        support_pixbuf=no
        support_startup_notification=no
-       support_afterimage=no
        support_xft=no
        support_unicode3=no
        support_combining=no
@@ -163,7 +161,6 @@
        support_xim=yes
        support_pixbuf=yes
        support_startup_notification=yes
-       support_afterimage=yes
        support_xft=yes
        support_unicode3=yes
        support_combining=yes
@@ -175,26 +172,26 @@
     fi
   ])
 
-ASSERTIONS=no
+support_assertions=no
 AC_ARG_ENABLE(assert,
   [  --enable-assert         enable assertions],
   [if test x$enableval = xyes; then
-    ASSERTIONS=yes
+    support_assertions=yes
   fi])
-if test x$ASSERTIONS = xno; then
+if test x$support_assertions = xno; then
   AC_DEFINE(NDEBUG, 1, Disable assertions (good for debugging))
 fi
 
-WARNINGS=no
+support_warnings=no
 AC_ARG_ENABLE(warnings,
   [  --enable-warnings       turn on g++ warnings],
   [if test x$enableval = xyes; then
-    WARNINGS=yes
+    support_warnings=yes
   fi])
 if test x$GXX = xyes; then
-  if test $WARNINGS = yes; then
+  if test $support_warnings = yes; then
     save_CXXFLAGS="$CXXFLAGS"
-    CXXFLAGS="$CXXFLAGS -Wall -Wno-sign-compare -Wno-reorder -Wno-non-virtual-dtor"
+    CXXFLAGS="$CXXFLAGS -Wall -Wno-sign-compare -Wno-reorder -Wno-unused-value"
     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])], [], [CXXFLAGS="$save_CXXFLAGS"])
   else
     CXXFLAGS="$CXXFLAGS -w"
@@ -236,7 +233,7 @@
   fi])
 
 AC_ARG_ENABLE(afterimage,
-  [  --enable-afterimage     enable integration with libAfterImage for background images],
+  [  --enable-afterimage     enable integration with libAfterImage for background images (deprecated)],
   [if test x$enableval = xyes -o x$enableval = xno; then
     support_afterimage=$enableval
   fi])