$OpenBSD: patch-CMakeLists_txt,v 1.1.1.1 2017/11/05 22:06:29 bentley Exp $

Index: CMakeLists.txt
--- CMakeLists.txt.orig
+++ CMakeLists.txt
@@ -134,6 +134,8 @@ if(NOT OPENGL_LIBRARIES)
 endif()
 
 find_package(SDL2)
+include_directories(${X11BASE}/include)
+include_directories(${LOCALBASE}/lib/libzip/include)
 include(FindThreads)
 
 if(APPLE)
@@ -234,7 +236,6 @@ if(NOT MSVC)
 		if (NOT ${CMAKE_C_COMPILER_ID} STREQUAL "Intel" AND NOT ${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang")
 			add_definitions(-Wno-psabi)
 		endif()
-		add_definitions(-D_XOPEN_SOURCE=700)
 		add_definitions(-D_XOPEN_SOURCE_EXTENDED -D__BSD_VISIBLE=1)
 		add_definitions(-D_LARGEFILE64_SOURCE=1 -D_FILE_OFFSET_BITS=64)
 	elseif(ANDROID)
@@ -520,6 +521,7 @@ endif()
 find_package(LibZip)
 if(LIBZIP_FOUND)
 	add_definitions(-DSHARED_LIBZIP)
+	include_directories(${LIBZIP_INCLUDE_DIRS})
 else()
 	add_library(libzip STATIC
 		ext/native/ext/libzip/zip.h
