Rename AC_ prefixes to AX_ (only in names of aa macros!).

1 files changed, 72 insertions, 0 deletions

diff --git a/m4/ax_cxx_header_pre_stdcxx.m4 b/m4/ax_cxx_header_pre_stdcxx.m4
new file mode 100644
index 0000000..e4b3b62
--- /dev/null
+++ b/m4/ax_cxx_header_pre_stdcxx.m4
@@ -0,0 +1,72 @@
+# ===========================================================================
+#    http://www.nongnu.org/autoconf-archive/ax_cxx_header_pre_stdcxx.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+#   AX_CXX_HEADER_PRE_STDCXX
+#
+# DESCRIPTION
+#
+#   Check whether pre-ISO-C++ headers exist.
+#
+# LICENSE
+#
+#   Copyright (c) 2008 Benjamin Kosnik <bkoz@redhat.com>
+#
+#   Copying and distribution of this file, with or without modification, are
+#   permitted in any medium without royalty provided the copyright notice
+#   and this notice are preserved.
+
+AC_DEFUN([AX_CXX_HEADER_PRE_STDCXX], [
+  AC_CACHE_CHECK(for pre-ISO C++ include files,
+  ac_cv_cxx_pre_stdcxx,
+  [AC_LANG_SAVE
+  AC_LANG_CPLUSPLUS
+  ac_save_CXXFLAGS="$CXXFLAGS"
+  CXXFLAGS="$CXXFLAGS -Wno-deprecated"
+
+  # Omit defalloc.h, as compilation with newer compilers is problematic.
+  AC_TRY_COMPILE([
+  #include <new.h>
+  #include <iterator.h>
+  #include <alloc.h>
+  #include <set.h>
+  #include <hashtable.h>
+  #include <hash_set.h>
+  #include <fstream.h>
+  #include <tempbuf.h>
+  #include <istream.h>
+  #include <bvector.h>
+  #include <stack.h>
+  #include <rope.h>
+  #include <complex.h>
+  #include <ostream.h>
+  #include <heap.h>
+  #include <iostream.h>
+  #include <function.h>
+  #include <multimap.h>
+  #include <pair.h>
+  #include <stream.h>
+  #include <iomanip.h>
+  #include <slist.h>
+  #include <tree.h>
+  #include <vector.h>
+  #include <deque.h>
+  #include <multiset.h>
+  #include <list.h>
+  #include <map.h>
+  #include <algobase.h>
+  #include <hash_map.h>
+  #include <algo.h>
+  #include <queue.h>
+  #include <streambuf.h>
+  ],,
+  ac_cv_cxx_pre_stdcxx=yes, ac_cv_cxx_pre_stdcxx=no)
+  CXXFLAGS="$ac_save_CXXFLAGS"
+  AC_LANG_RESTORE
+  ])
+  if test "$ac_cv_cxx_pre_stdcxx" = yes; then
+    AC_DEFINE(PRE_STDCXX_HEADERS,,[Define if pre-ISO C++ header files are present. ])
+  fi
+])