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* [gcc/devel/ranger] libstdc++: Deal with ENOSYS == ENOTSUP
@ 2020-06-17 19:29 Aldy Hernandez
0 siblings, 0 replies; only message in thread
From: Aldy Hernandez @ 2020-06-17 19:29 UTC (permalink / raw)
To: gcc-cvs, libstdc++-cvs
https://gcc.gnu.org/g:28119fba7f1a3c96dde58905277eac4de148f210
commit 28119fba7f1a3c96dde58905277eac4de148f210
Author: Andreas Krebbel <krebbel@linux.ibm.com>
Date: Fri Mar 6 09:37:55 2020 +0100
libstdc++: Deal with ENOSYS == ENOTSUP
zTPF uses the same numeric value for ENOSYS and ENOTSUP.
libstdc++-v3/ChangeLog:
2020-03-06 Andreas Krebbel <krebbel@linux.ibm.com>
* src/c++11/system_error.cc: Omit the ENOTSUP case statement if it
would match ENOSYS.
Diff:
---
libstdc++-v3/ChangeLog | 5 +++++
libstdc++-v3/src/c++11/system_error.cc | 3 ++-
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 8c94885ff29..644a18ad39f 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,8 @@
+2020-03-06 Andreas Krebbel <krebbel@linux.ibm.com>
+
+ * src/c++11/system_error.cc: Omit the ENOTSUP case statement if it
+ would match ENOSYS.
+
2020-03-05 Jonathan Wakely <jwakely@redhat.com>
* testsuite/27_io/filesystem/operations/all.cc: Mark unused variable.
diff --git a/libstdc++-v3/src/c++11/system_error.cc b/libstdc++-v3/src/c++11/system_error.cc
index 7844afe6d2a..1f06e67feea 100644
--- a/libstdc++-v3/src/c++11/system_error.cc
+++ b/libstdc++-v3/src/c++11/system_error.cc
@@ -251,7 +251,8 @@ namespace
#ifdef ENOTSOCK
case ENOTSOCK:
#endif
-#ifdef ENOTSUP
+#if defined ENOTSUP && (!defined ENOSYS || ENOTSUP != ENOSYS)
+ // zTPF uses the same value for ENOSYS and ENOTSUP
case ENOTSUP:
#endif
#ifdef ENOTTY
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