1 files changed, 3 insertions, 0 deletions
diff --git a/e_os2.h b/e_os2.h
index 45551d1eb6..3d61afeb50 100644
--- a/e_os2.h
+++ b/e_os2.h
@@ -174,6 +174,9 @@ extern "C" {
 #  define OPENSSL_SYS_MACOSX_RHAPSODY
 #  define OPENSSL_SYS_MACOSX
 # endif
+# ifdef OPENSSL_SYSNAME_SUNOS
+#  define OPENSSL_SYS_SUNOS
+#endif
 # if defined(_CRAY) || defined(OPENSSL_SYSNAME_CRAY)
 #  define OPENSSL_SYS_CRAY
 # endif