This is useful to provide libstdc++-internal-only macros.
libstdc++-v3/ChangeLog:
* include/bits/version.tpl: Implement no_stdname.
* include/bits/version.def: Document no_stdname.
---
Arsen provided this patch via IRC a few days ago.
Tested x86_64-linux. Pushed to trunk.
libstdc++-v3/include/bits/version.def | 4 +++-
libstdc++-v3/include/bits/version.tpl | 6 ++++--
2 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/libstdc++-v3/include/bits/version.def
b/libstdc++-v3/include/bits/version.def
index 1468c0491b7..8569d9fa0ad 100644
--- a/libstdc++-v3/include/bits/version.def
+++ b/libstdc++-v3/include/bits/version.def
@@ -30,6 +30,7 @@ AutoGen Definitions version.tpl;
// ftms = {
// name = FTM NAME;
// [stdname = FTM STANDARD MACRO NAME;]
+// [no_stdname = true;]
// values = {
// v = VALUE FOR FTM IF MATCHING;
// [extra_cond = STRING;]
@@ -56,7 +57,8 @@ AutoGen Definitions version.tpl;
// stdname configures the name of the *standard* macro emitted, i.e. it
// replaces only the __cpp_lib_ macro in the emitted definition. Defaults to
-// __cpp_lib_${name}
+// __cpp_lib_${name}. If no_stdname exists (with any value), the stdname
+// define is not emitted.
// N.B This list needs to be in topological sort order, as later entries in
// this list can and do use the earlier entries.
diff --git a/libstdc++-v3/include/bits/version.tpl
b/libstdc++-v3/include/bits/version.tpl
index dd5f8518da1..ccda71d6bcf 100644
--- a/libstdc++-v3/include/bits/version.tpl
+++ b/libstdc++-v3/include/bits/version.tpl
@@ -143,13 +143,15 @@ h
}*/# /*{(unless (first-for?) "el")}*/if /*{(generate-cond)}*/
# define __glibcxx_/*{name}*/ /*{v}*/L
-# if defined(__glibcxx_want_all) || defined(__glibcxx_want_/*{name}*/)
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_/*{name}*/)/*{
+ IF (not (exist? "no_stdname")) }*/
# define /*{
;; Compute the name for this FTM based on stdname/name.
(if (exist? "stdname")
(get "stdname")
(format #f "__cpp_lib_~a" (get "name")))
-}*/ /*{v}*/L
+}*/ /*{v}*/L/*{
+ ENDIF no_std_name }*/
# endif
/*{ ENDFOR values
}*/# endif
--
2.49.0
