michael@0: dnl This Source Code Form is subject to the terms of the Mozilla Public
michael@0: dnl License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0: dnl file, You can obtain one at http://mozilla.org/MPL/2.0/.
michael@0: 
michael@0: dnl Check if the compiler is gcc and has pr39608. If so
michael@0: dnl disable vrp.
michael@0: 
michael@0: AC_DEFUN([MOZ_GCC_PR39608],
michael@0: [
michael@0: AC_MSG_CHECKING(for gcc pr39608)
michael@0: ac_have_gcc_pr39608="yes"
michael@0: AC_LANG_SAVE
michael@0: AC_LANG_CPLUSPLUS
michael@0: 
michael@0: AC_TRY_COMPILE([
michael@0: typedef void (*FuncType)();
michael@0: template<FuncType Impl>
michael@0: void f();
michael@0: template<typename T> class C {
michael@0:   typedef C<T> ThisC;
michael@0:   template<int g()>
michael@0:   static void h() {
michael@0:     f<ThisC::h<g> >();
michael@0:   }
michael@0: };
michael@0: ], true,
michael@0:    ac_have_gcc_pr39608="no",
michael@0:    true)
michael@0: 
michael@0: AC_LANG_RESTORE
michael@0: 
michael@0: AC_MSG_RESULT($ac_have_gcc_pr39608)
michael@0: if test "$ac_have_gcc_pr39608" = "yes"; then
michael@0:    echo This compiler would fail to build firefox, please upgrade.
michael@0:    exit 1
michael@0: fi
michael@0: ])