From 51227853127e9ed6a6c2a9329f5ca7a3240bbd68 Mon Sep 17 00:00:00 2001
From: Joakim Soderberg <joakim.soderberg@gmail.com>
Date: Tue, 14 Jan 2014 12:59:48 +0000
Subject: [PATCH] Make it easy to do add_subdirectory from a parent CMake
 project.

---
 CMakeLists.txt      | 6 ++++++
 lib/libwebsockets.h | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 515938551..6763e4a13 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -752,6 +752,7 @@ export(PACKAGE libwebsockets)
 set(LWS__INCLUDE_DIRS 
     "${PROJECT_SOURCE_DIR}/lib"
     "${PROJECT_BINARY_DIR}")
+set(LIBWEBSOCKETS_INCLUDE_DIRS ${LWS__INCLUDE_DIRS} CACHE PATH "Libwebsockets include directories")
 configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfig.cmake.in
                 ${PROJECT_BINARY_DIR}/LibwebsocketsConfig.cmake 
                 @ONLY)
@@ -849,5 +850,10 @@ message(" LWS_WITH_LATENCY = ${LWS_WITH_LATENCY}")
 message(" LWS_WITHOUT_DAEMONIZE = ${LWS_WITHOUT_DAEMONIZE}")
 message("---------------------------------------------------------------------")
 
+# These will be available to parent projects including libwebsockets using add_subdirectory()
+set(LIBWEBSOCKETS_LIBRARIES websocket websockets_shared CACHE STRING "Libwebsocket libraries")
+set(LIBWEBSOCKETS_LIBRARIES_STATIC websocket CACHE STRING "Libwebsocket static library")
+set(LIBWEBSOCKETS_LIBRARIES_SHARED websockets_shared CACHE STRING "Libwebsocket shared library")
+
 # This must always be last!
 include(CPack)
diff --git a/lib/libwebsockets.h b/lib/libwebsockets.h
index 16f294fd2..25e04aba1 100644
--- a/lib/libwebsockets.h
+++ b/lib/libwebsockets.h
@@ -65,7 +65,9 @@ typedef SSIZE_T ssize_t;
 #else // NOT WIN32
 
 /* to get ppoll() */
+#ifndef __USE_GNU
 #define __USE_GNU
+#endif
 #include <poll.h>
 #include <unistd.h>