The attached patch enabled libatomic for Cygwin targets.
check-target-libatomic for i686-pc-cygwin:
Running gcc/libatomic/testsuite/libatomic.c/c.exp ...
=== libatomic Summary ===
# of expected passes 44
# of unsupported tests 5
check-target-libatomic results x86_64-unknown-cygwin:
Running gnu/gcc/libatomic/testsuite/libatomic.c/c.exp ...
=== libatomic Summary ===
# of expected passes 54
--
Yaakov Selkowitz
Associate Software Engineer, ARM
Red Hat, Inc.
2014-08-12 Yaakov Selkowitz <yselk...@redhat.com>
* configure.tgt: Add cygwin to supported targets.
Index: libatomic/configure.tgt
===================================================================
--- libatomic/configure.tgt (revision 213759)
+++ libatomic/configure.tgt (working copy)
@@ -107,7 +107,7 @@
*-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu \
| *-*-netbsd* | *-*-freebsd* | *-*-openbsd* \
| *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11* \
- | *-*-darwin* | *-*-aix*)
+ | *-*-darwin* | *-*-aix* | *-*-cygwin*)
# POSIX system. The OS is supported.
config_path="${config_path} posix"
;;
