зеркало из https://github.com/mozilla/gecko-dev.git
Detect gcc c++0x headers brokenness and don't use -std=gnu++0x then. r=bsmedberg
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98e5ce2261
Коммит
f9a70a4291
50
configure.in
50
configure.in
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@ -2961,11 +2961,43 @@ else
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AC_MSG_RESULT(no)
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fi
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dnl ========================================================
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dnl C++ rtti
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dnl Should be smarter and check that the compiler does indeed have rtti
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dnl ========================================================
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MOZ_ARG_ENABLE_BOOL(cpp-rtti,
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[ --enable-cpp-rtti Enable C++ RTTI ],
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[ _MOZ_USE_RTTI=1 ],
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[ _MOZ_USE_RTTI= ])
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if test "$_MOZ_USE_RTTI"; then
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_MOZ_RTTI_FLAGS=$_MOZ_RTTI_FLAGS_ON
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else
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_MOZ_RTTI_FLAGS=$_MOZ_RTTI_FLAGS_OFF
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fi
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AC_SUBST(_MOZ_RTTI_FLAGS_ON)
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dnl Check whether we can use gcc's c++0x mode
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AC_LANG_CPLUSPLUS
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if test "$GNU_CXX"; then
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_SAVE_CXXFLAGS=$CXXFLAGS
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CXXFLAGS="$CXXFLAGS -std=gnu++0x"
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if test -z "$_MOZ_USE_RTTI"; then
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CXXFLAGS="$CXXFLAGS $_MOZ_RTTI_FLAGS"
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AC_CACHE_CHECK(for gcc c++0x headers bug without rtti,
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ac_cv_cxx0x_headers_bug,
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[AC_TRY_COMPILE([#include <memory>], [],
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ac_cv_cxx0x_headers_bug="no",
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ac_cv_cxx0x_headers_bug="yes")])
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CXXFLAGS="$_SAVE_CXXFLAGS"
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if test "$ac_cv_cxx0x_headers_bug" = "no"; then
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CXXFLAGS="$CXXFLAGS -std=gnu++0x"
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fi
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fi
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fi
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dnl Check for usable char16_t (2 bytes, unsigned)
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@ -7929,24 +7961,6 @@ if test "$ac_nscap_nonconst_opeq_bug" = "yes" ; then
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fi
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fi # SKIP_COMPILER_CHECKS
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dnl ========================================================
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dnl C++ rtti
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dnl Should be smarter and check that the compiler does indeed have rtti
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dnl ========================================================
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MOZ_ARG_ENABLE_BOOL(cpp-rtti,
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[ --enable-cpp-rtti Enable C++ RTTI ],
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[ _MOZ_USE_RTTI=1 ],
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[ _MOZ_USE_RTTI= ])
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if test "$_MOZ_USE_RTTI"; then
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_MOZ_RTTI_FLAGS=$_MOZ_RTTI_FLAGS_ON
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else
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_MOZ_RTTI_FLAGS=$_MOZ_RTTI_FLAGS_OFF
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fi
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AC_SUBST(_MOZ_RTTI_FLAGS_ON)
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dnl ========================================================
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dnl C++ exceptions (g++/VC/irix6/Sun only - for now)
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dnl Should be smarter and check that the compiler does indeed have exceptions
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