diff options
Diffstat (limited to 'sp/src/thirdparty/protobuf-2.3.0/m4/stl_hash.m4')
| -rw-r--r-- | sp/src/thirdparty/protobuf-2.3.0/m4/stl_hash.m4 | 120 |
1 files changed, 60 insertions, 60 deletions
diff --git a/sp/src/thirdparty/protobuf-2.3.0/m4/stl_hash.m4 b/sp/src/thirdparty/protobuf-2.3.0/m4/stl_hash.m4 index 81371e85..08813c99 100644 --- a/sp/src/thirdparty/protobuf-2.3.0/m4/stl_hash.m4 +++ b/sp/src/thirdparty/protobuf-2.3.0/m4/stl_hash.m4 @@ -1,60 +1,60 @@ -# We check two things: where the include file is for hash_map, and
-# what namespace hash_map lives in within that include file. We
-# include AC_TRY_COMPILE for all the combinations we've seen in the
-# wild. We define one of HAVE_HASH_MAP or HAVE_EXT_HASH_MAP depending
-# on location, and HASH_NAMESPACE to be the namespace hash_map is
-# defined in.
-#
-# Ideally we'd use AC_CACHE_CHECK, but that only lets us store one value
-# at a time, and we need to store two (filename and namespace).
-# prints messages itself, so we have to do the message-printing ourselves
-# via AC_MSG_CHECKING + AC_MSG_RESULT. (TODO(csilvers): can we cache?)
-
-AC_DEFUN([AC_CXX_STL_HASH],
- [AC_MSG_CHECKING(the location of hash_map)
- AC_LANG_SAVE
- AC_LANG_CPLUSPLUS
- ac_cv_cxx_hash_map_header=""
- ac_cv_cxx_hash_map_class=""
- for location in [tr1/unordered_map ext/hash_map hash_map]; do
- for namespace in [std::tr1 __gnu_cxx "" std stdext]; do
- for name in [unordered_map hash_map]; do
-
- if test -z "$ac_cv_cxx_hash_map_header"; then
-
- # On OSX 1.5 / GCC 4.0.1 (the standard compiler on that platform),
- # calling find() on a const unordered_map does not compile. So, we
- # include a call to find() in our test to detect this broken
- # implementation and avoid using it. Note that ext/hash_map works
- # fine on this platform, so we'll end up using that.
- AC_TRY_COMPILE([#include <$location>],
- [const ${namespace}::$name<int, int> t;
- t.find(1);],
- [ac_cv_cxx_hash_map_header="<$location>";
- ac_cv_cxx_hash_namespace="$namespace";
- ac_cv_cxx_hash_map_class="$name";])
- fi
- done
- done
- done
- ac_cv_cxx_hash_set_header=`echo "$ac_cv_cxx_hash_map_header" | sed s/map/set/`;
- ac_cv_cxx_hash_set_class=`echo "$ac_cv_cxx_hash_map_class" | sed s/map/set/`;
- if test -n "$ac_cv_cxx_hash_map_header"; then
- AC_DEFINE(HAVE_HASH_MAP, 1, [define if the compiler has hash_map])
- AC_DEFINE(HAVE_HASH_SET, 1, [define if the compiler has hash_set])
- AC_DEFINE_UNQUOTED(HASH_MAP_H,$ac_cv_cxx_hash_map_header,
- [the location of <hash_map>])
- AC_DEFINE_UNQUOTED(HASH_SET_H,$ac_cv_cxx_hash_set_header,
- [the location of <hash_set>])
- AC_DEFINE_UNQUOTED(HASH_MAP_CLASS,$ac_cv_cxx_hash_map_class,
- [the name of <hash_set>])
- AC_DEFINE_UNQUOTED(HASH_SET_CLASS,$ac_cv_cxx_hash_set_class,
- [the name of <hash_set>])
- AC_DEFINE_UNQUOTED(HASH_NAMESPACE,$ac_cv_cxx_hash_namespace,
- [the namespace of hash_map/hash_set])
- AC_MSG_RESULT([$ac_cv_cxx_hash_map_header])
- else
- AC_MSG_RESULT()
- AC_MSG_WARN([could not find an STL hash_map])
- fi
-])
+# We check two things: where the include file is for hash_map, and +# what namespace hash_map lives in within that include file. We +# include AC_TRY_COMPILE for all the combinations we've seen in the +# wild. We define one of HAVE_HASH_MAP or HAVE_EXT_HASH_MAP depending +# on location, and HASH_NAMESPACE to be the namespace hash_map is +# defined in. +# +# Ideally we'd use AC_CACHE_CHECK, but that only lets us store one value +# at a time, and we need to store two (filename and namespace). +# prints messages itself, so we have to do the message-printing ourselves +# via AC_MSG_CHECKING + AC_MSG_RESULT. (TODO(csilvers): can we cache?) + +AC_DEFUN([AC_CXX_STL_HASH], + [AC_MSG_CHECKING(the location of hash_map) + AC_LANG_SAVE + AC_LANG_CPLUSPLUS + ac_cv_cxx_hash_map_header="" + ac_cv_cxx_hash_map_class="" + for location in [tr1/unordered_map ext/hash_map hash_map]; do + for namespace in [std::tr1 __gnu_cxx "" std stdext]; do + for name in [unordered_map hash_map]; do + + if test -z "$ac_cv_cxx_hash_map_header"; then + + # On OSX 1.5 / GCC 4.0.1 (the standard compiler on that platform), + # calling find() on a const unordered_map does not compile. So, we + # include a call to find() in our test to detect this broken + # implementation and avoid using it. Note that ext/hash_map works + # fine on this platform, so we'll end up using that. + AC_TRY_COMPILE([#include <$location>], + [const ${namespace}::$name<int, int> t; + t.find(1);], + [ac_cv_cxx_hash_map_header="<$location>"; + ac_cv_cxx_hash_namespace="$namespace"; + ac_cv_cxx_hash_map_class="$name";]) + fi + done + done + done + ac_cv_cxx_hash_set_header=`echo "$ac_cv_cxx_hash_map_header" | sed s/map/set/`; + ac_cv_cxx_hash_set_class=`echo "$ac_cv_cxx_hash_map_class" | sed s/map/set/`; + if test -n "$ac_cv_cxx_hash_map_header"; then + AC_DEFINE(HAVE_HASH_MAP, 1, [define if the compiler has hash_map]) + AC_DEFINE(HAVE_HASH_SET, 1, [define if the compiler has hash_set]) + AC_DEFINE_UNQUOTED(HASH_MAP_H,$ac_cv_cxx_hash_map_header, + [the location of <hash_map>]) + AC_DEFINE_UNQUOTED(HASH_SET_H,$ac_cv_cxx_hash_set_header, + [the location of <hash_set>]) + AC_DEFINE_UNQUOTED(HASH_MAP_CLASS,$ac_cv_cxx_hash_map_class, + [the name of <hash_set>]) + AC_DEFINE_UNQUOTED(HASH_SET_CLASS,$ac_cv_cxx_hash_set_class, + [the name of <hash_set>]) + AC_DEFINE_UNQUOTED(HASH_NAMESPACE,$ac_cv_cxx_hash_namespace, + [the namespace of hash_map/hash_set]) + AC_MSG_RESULT([$ac_cv_cxx_hash_map_header]) + else + AC_MSG_RESULT() + AC_MSG_WARN([could not find an STL hash_map]) + fi +]) |