From: Andreas Krebbel <krebbel@linux.ibm.com>
Date: Fri, 6 Mar 2020 08:37:55 +0000 (+0100)
Subject: libstdc++: Deal with ENOSYS == ENOTSUP
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=28119fba7f1a3c96dde58905277eac4de148f210;p=gcc.git

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 --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