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