From 09e1d8748f9321bae39811e0f51683d330098cf0 Mon Sep 17 00:00:00 2001
From: Andy Fiddaman <omnios@citrus-it.co.uk>
Date: Tue, 31 Aug 2021 21:40:48 +0000
Subject: libstdc++ must use thread-local errno
---
libstdc++-v3/configure | 6 ++++++
libstdc++-v3/configure.ac | 5 +++++
2 files changed, 11 insertions(+)
diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure
index 21abaeb07788..b6fc2d463061 100755
--- a/libstdc++-v3/configure
+++ b/libstdc++-v3/configure
@@ -55103,6 +55103,12 @@ done
tmake_file="${tmake_file_}"
+case "${target}" in *-*-solaris2*)
+ EXTRA_CFLAGS="$EXTRA_CFLAGS -D_TS_ERRNO"
+ EXTRA_CXX_FLAGS="$EXTRA_CXX_FLAGS -D_TS_ERRNO"
+esac
+
+
# Add CET specific flags if Intel CET is enabled.
# Check whether --enable-cet was given.
if test "${enable_cet+set}" = set; then :
diff --git a/libstdc++-v3/configure.ac b/libstdc++-v3/configure.ac
index 37396bd6ebbe..d6079dcd4a4b 100644
--- a/libstdc++-v3/configure.ac
+++ b/libstdc++-v3/configure.ac
@@ -655,6 +655,11 @@ done
tmake_file="${tmake_file_}"
AC_SUBST(tmake_file)
+case "${target}" in *-*-solaris2*)
+ EXTRA_CFLAGS="$EXTRA_CFLAGS -D_TS_ERRNO"
+ EXTRA_CXX_FLAGS="$EXTRA_CXX_FLAGS -D_TS_ERRNO"
+esac
+
# Add CET specific flags if Intel CET is enabled.
GCC_CET_FLAGS(CET_FLAGS)
EXTRA_CXX_FLAGS="$EXTRA_CXX_FLAGS $CET_FLAGS"