solaris-atomic.patch

diff --git a/configure.in b/configure.in
index 599775b..84f10af 100644
--- a/configure.in
+++ b/configure.in
@@ -980,7 +980,7 @@ AC_CHECK_HEADERS(limits.h sys/file.h sys/ioctl.h sys/sysca
                 syscall.h pwd.h grp.h a.out.h utime.h direct.h sys/resource.h
                 sys/mkdev.h sys/utime.h float.h ieeefp.h \
                 ucontext.h intrinsics.h langinfo.h locale.h sys/sendfile.h ti
-                net/socket.h sys/socket.h process.h sys/prctl.h)
+                net/socket.h sys/socket.h process.h sys/prctl.h atomic.h)
 
 dnl check for large file stuff
 mv confdefs.h confdefs1.h
diff --git a/ruby_atomic.h b/ruby_atomic.h
index 135a8c7..4a53e60 100644
--- a/ruby_atomic.h
+++ b/ruby_atomic.h
@@ -64,7 +64,7 @@ rb_w32_atomic_or(volatile rb_atomic_t *var, rb_atomic_t val)
 #  define ATOMIC_SIZE_EXCHANGE(var, val) InterlockedExchange((LONG *)&(var), 
 # endif
 
-#elif defined(__sun)
+#elif defined(__sun) && defined(HAVE_ATOMIC_H)
 #include <atomic.h>
 typedef unsigned int rb_atomic_t;

line 8 seems to be truncated.