SecBSD's official ports repository

x11/rxvt-unicode/patches/patch-configure_ac

@@ -0,0 +1,33 @@
+Don't use gcc specific flags, because it causes various undefined
+reference errors with ports-gcc>=6 when -lsupc++ is used. We could
+use libesupc++ but there is not much incentive to do so.
+
+Index: configure.ac
+--- configure.ac.orig
++++ configure.ac
+@@ -28,25 +28,6 @@ AC_USE_SYSTEM_EXTENSIONS
+ AC_LANG(C++)
+ 
+ LINKER="$CXX"
+-dnl check whether we can link with gcc -lsupc++
+-if test x$GCC = xyes && test x$GXX = xyes; then
+-   dnl FreeBSD (at least up to 5.3) has a broken GCC, workaround it
+-   AC_MSG_CHECKING([for working libsupc++])
+-   save_CXX="$CXX"
+-   save_LIBS="$LIBS"
+-   CXX="$CC"
+-   LIBS="$LIBS -lsupc++"
+-   AC_LINK_IFELSE(
+-      [AC_LANG_PROGRAM([struct test { }; void f() try { throw new test; } catch (...) { throw; }],[])],
+-      [AC_MSG_RESULT(ok)
+-       LINKER="$CC"],
+-      [
+-         AC_MSG_RESULT([no, making everything bigger and slower])
+-         LIBS="$save_LIBS"
+-      ]
+-   )
+-   CXX="$save_CXX"
+-fi
+ AC_SUBST(LINKER,[$LINKER])
+ 
+ dnl# --------------------------------------------------------------------------