From 97d5f0f52c54f7bb5edc60f32bf7d4e2b1faa200 Mon Sep 17 00:00:00 2001
From: Philip Rideout <philiprideout@gmail.com>
Date: Wed, 28 Nov 2018 20:54:54 -0800
Subject: [PATCH] Fix libshader build for Windows.

---
 shaders/CMakeLists.txt | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/shaders/CMakeLists.txt b/shaders/CMakeLists.txt
index 92f32816bf..d19ff96519 100644
--- a/shaders/CMakeLists.txt
+++ b/shaders/CMakeLists.txt
@@ -64,8 +64,13 @@ if (DEFINED RESGEN_FLAGS)
     set_source_files_properties(${RESGEN_SOURCE} PROPERTIES COMPILE_FLAGS ${RESGEN_FLAGS})
 endif()
 
+# WIN32 seems to require at least one C file, so create an empty one.
+set(DUMMY_SRC "${RESOURCE_DIR}/dummy.c")
+add_custom_command(OUTPUT ${DUMMY_SRC}
+        COMMAND echo "//" > ${DUMMY_SRC})
+
 # ==================================================================================================
 # Include and target definitions
 # ==================================================================================================
-add_library(${TARGET} STATIC ${RESGEN_SOURCE})
+add_library(${TARGET} STATIC ${DUMMY_SRC} ${RESGEN_SOURCE})
 target_include_directories(${TARGET} PUBLIC ${CMAKE_CURRENT_BINARY_DIR})