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comparison: build/autoconf/gcc-pr39608.m4
build/autoconf/gcc-pr39608.m4
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:47459ce70489 |
|---|---|
| 1 dnl This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 dnl License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 dnl file, You can obtain one at http://mozilla.org/MPL/2.0/. | |
| 4 | |
| 5 dnl Check if the compiler is gcc and has pr39608. If so | |
| 6 dnl disable vrp. | |
| 7 | |
| 8 AC_DEFUN([MOZ_GCC_PR39608], | |
| 9 [ | |
| 10 AC_MSG_CHECKING(for gcc pr39608) | |
| 11 ac_have_gcc_pr39608="yes" | |
| 12 AC_LANG_SAVE | |
| 13 AC_LANG_CPLUSPLUS | |
| 14 | |
| 15 AC_TRY_COMPILE([ | |
| 16 typedef void (*FuncType)(); | |
| 17 template<FuncType Impl> | |
| 18 void f(); | |
| 19 template<typename T> class C { | |
| 20 typedef C<T> ThisC; | |
| 21 template<int g()> | |
| 22 static void h() { | |
| 23 f<ThisC::h<g> >(); | |
| 24 } | |
| 25 }; | |
| 26 ], true, | |
| 27 ac_have_gcc_pr39608="no", | |
| 28 true) | |
| 29 | |
| 30 AC_LANG_RESTORE | |
| 31 | |
| 32 AC_MSG_RESULT($ac_have_gcc_pr39608) | |
| 33 if test "$ac_have_gcc_pr39608" = "yes"; then | |
| 34 echo This compiler would fail to build firefox, please upgrade. | |
| 35 exit 1 | |
| 36 fi | |
| 37 ]) |
