diff options
Diffstat (limited to 'autoconf/m4/cxx_bidi_iterator.m4')
| -rw-r--r-- | autoconf/m4/cxx_bidi_iterator.m4 | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/autoconf/m4/cxx_bidi_iterator.m4 b/autoconf/m4/cxx_bidi_iterator.m4 index e16976d..959d4fc 100644 --- a/autoconf/m4/cxx_bidi_iterator.m4 +++ b/autoconf/m4/cxx_bidi_iterator.m4 @@ -6,14 +6,12 @@ AC_DEFUN([AC_CXX_HAVE_BI_ITERATOR], [AC_CACHE_CHECK(whether the compiler has the bidirectional iterator, ac_cv_cxx_have_bi_iterator, [AC_REQUIRE([AC_CXX_NAMESPACES]) - AC_LANG_SAVE - AC_LANG_CPLUSPLUS - AC_TRY_COMPILE([#include <iterator> + AC_LANG_PUSH([C++]) + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <iterator> #ifdef HAVE_NAMESPACES using namespace std; -#endif],[bidirectional_iterator<int,int> t; return 0;], - ac_cv_cxx_have_bi_iterator=yes, ac_cv_cxx_have_bi_iterator=no) - AC_LANG_RESTORE +#endif]], [[bidirectional_iterator<int,int> t; return 0;]])],[ac_cv_cxx_have_bi_iterator=yes],[ac_cv_cxx_have_bi_iterator=no]) + AC_LANG_POP([C++]) ]) HAVE_BI_ITERATOR=0 if test "$ac_cv_cxx_have_bi_iterator" = yes |