diff options
| author | Stephan Bergmann <sbergman@redhat.com> | 2015-06-19 15:21:27 +0200 |
|---|---|---|
| committer | Stephan Bergmann <sbergman@redhat.com> | 2015-06-19 15:25:53 +0200 |
| commit | 0032fc0385679d15992fb1a2e8dc0ff1c228c911 (patch) | |
| tree | db496b855533e0810fa9a18b85b62d8cd395eca4 /configure.ac | |
| parent | a38f8c2228f15611136ad6a4b69d77e167a2b781 (diff) | |
Fix check for broken standard library
The compiler's __GNUC__ etc. need not match the libstdc++ version used (esp.
when using Clang as compiler), and libstdc++'s __GLIBCXX__ macro doesn't inrease
monotonically with version numbers, so resort to a configure check.
Change-Id: I06de6b68324169863f6f5c31ae5d855e8b04cd6b
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 6a30d8ac4735..4afc1d413b31 100644 --- a/configure.ac +++ b/configure.ac @@ -12764,6 +12764,27 @@ if test "$build_os" = "cygwin"; then AC_SUBST(ILIB) fi +AC_MSG_CHECKING( + [whether C++11 use of const_iterator in standard containers is broken]) +save_CXXFLAGS=$CXXFLAGS +CXXFLAGS="$CXXFLAGS $CXXFLAGS_CXX11" +AC_LANG_PUSH([C++]) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ + #include <list> + ]],[[ + std::list<int> l; + l.erase(l.cbegin()); + ]])], + [broken=no], [broken=yes]) +AC_LANG_POP([C++]) +LIBS=$save_LIBS +CXXFLAGS=$save_CXXFLAGS +AC_MSG_RESULT([$broken]) +if test "$broken" = yes; then + AC_DEFINE([HAVE_BROKEN_CONST_ITERATORS]) +fi + + AC_MSG_CHECKING([whether $CXX has broken static initializer_list support]) if test "$CROSS_COMPILING" = "TRUE"; then broken='assuming not (cross-compiling)' |