From 4f6595ed08de893f98c700d1edef3557db1ddaab Mon Sep 17 00:00:00 2001
From: Stephen Birarda <commit@birarda.com>
Date: Tue, 5 Jan 2016 11:43:49 -0800
Subject: [PATCH] fix makefiles build on OS X

---
 cmake/externals/faceshift/CMakeLists.txt | 23 +++++++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

diff --git a/cmake/externals/faceshift/CMakeLists.txt b/cmake/externals/faceshift/CMakeLists.txt
index b18b861912..14e6851c77 100644
--- a/cmake/externals/faceshift/CMakeLists.txt
+++ b/cmake/externals/faceshift/CMakeLists.txt
@@ -21,10 +21,25 @@ ExternalProject_Get_Property(${EXTERNAL_NAME} INSTALL_DIR)
 string(TOUPPER ${EXTERNAL_NAME} EXTERNAL_NAME_UPPER)
 set(${EXTERNAL_NAME_UPPER}_INCLUDE_DIRS ${INSTALL_DIR}/include CACHE FILEPATH "Path to Faceshift include directory")
 
+set(LIBRARY_DEBUG_PATH "lib/Debug")
+set(LIBRARY_RELEASE_PATH "lib/Release")
+
 if (WIN32)
-    set(${EXTERNAL_NAME_UPPER}_LIBRARY_DEBUG ${INSTALL_DIR}/lib/Debug/faceshift.lib CACHE FILEPATH "Faceshift libraries")
-    set(${EXTERNAL_NAME_UPPER}_LIBRARY_RELEASE ${INSTALL_DIR}/lib/Release/faceshift.lib CACHE FILEPATH "Faceshift libraries")
+  set(LIBRARY_PREFIX "")
+  set(LIBRARY_EXT "lib")
 elseif (APPLE)
-    set(${EXTERNAL_NAME_UPPER}_LIBRARY_DEBUG ${INSTALL_DIR}/lib/Debug/libfaceshift.a CACHE FILEPATH "Faceshift libraries")
-    set(${EXTERNAL_NAME_UPPER}_LIBRARY_RELEASE ${INSTALL_DIR}/lib/Release/libfaceshift.a CACHE FILEPATH "Faceshift libraries")
+  set(LIBRARY_EXT "a")
+
+  if (CMAKE_GENERATOR STREQUAL "Unix Makefiles")
+    set(LIBRARY_PREFIX "lib")
+    set(LIBRARY_DEBUG_PATH "build")
+    set(LIBRARY_RELEASE_PATH "build")
+  else ()
+    set(LIBRARY_PREFIX "")
+  endif ()
 endif()
+
+set(${EXTERNAL_NAME_UPPER}_LIBRARY_DEBUG
+  ${INSTALL_DIR}/${LIBRARY_DEBUG_PATH}/${LIBRARY_PREFIX}faceshift.${LIBRARY_EXT} CACHE FILEPATH "Faceshift libraries")
+set(${EXTERNAL_NAME_UPPER}_LIBRARY_RELEASE
+${INSTALL_DIR}/${LIBRARY_RELEASE_PATH}/${LIBRARY_PREFIX}faceshift.${LIBRARY_EXT} CACHE FILEPATH "Faceshift libraries")