From 806d09b1143894ad66cea2c228f467e8c39a8adf Mon Sep 17 00:00:00 2001
From: Graham Madarasz <graham@lindenlab.com>
Date: Tue, 30 Apr 2013 19:50:05 -0700
Subject: Merge 3.5.1 into Materials

---
 indra/cmake/Havok.cmake | 56 ++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 55 insertions(+), 1 deletion(-)

(limited to 'indra/cmake/Havok.cmake')

diff --git a/indra/cmake/Havok.cmake b/indra/cmake/Havok.cmake
index 5c0768abfa..8b7f01d20b 100644
--- a/indra/cmake/Havok.cmake
+++ b/indra/cmake/Havok.cmake
@@ -1,6 +1,10 @@
 # -*- cmake -*-
 
+if(NOT DEFINED ${CMAKE_CURRENT_LIST_FILE}_INCLUDED)
+set(${CMAKE_CURRENT_LIST_FILE}_INCLUDED "YES")
+
 use_prebuilt_binary(havok-source)
+
 set(Havok_INCLUDE_DIRS ${LIBS_PREBUILT_DIR}/include/havok/Source)
 list(APPEND Havok_INCLUDE_DIRS ${LIBS_PREBUILT_DIR}/include/havok/Demo)
 
@@ -45,31 +49,80 @@ unset(HK_DEBUG_LIBRARIES)
 unset(HK_RELEASE_LIBRARIES)
 unset(HK_RELWITHDEBINFO_LIBRARIES)
 
+# *TODO: Figure out why we need to extract like this...
 foreach(HAVOK_LIB ${HAVOK_LIBS})
         find_library(HAVOK_DEBUG_LIB_${HAVOK_LIB}   ${HAVOK_LIB} PATHS ${HAVOK_DEBUG_LIBRARY_PATH})
         find_library(HAVOK_RELEASE_LIB_${HAVOK_LIB} ${HAVOK_LIB} PATHS ${HAVOK_RELEASE_LIBRARY_PATH})
         find_library(HAVOK_RELWITHDEBINFO_LIB_${HAVOK_LIB} ${HAVOK_LIB} PATHS ${HAVOK_RELWITHDEBINFO_LIBRARY_PATH})
         
         if(LINUX)
-            set(cmd "mkdir")
             set(debug_dir "${HAVOK_DEBUG_LIBRARY_PATH}/${HAVOK_LIB}")
             set(release_dir "${HAVOK_RELEASE_LIBRARY_PATH}/${HAVOK_LIB}")
             set(relwithdebinfo_dir "${HAVOK_RELWITHDEBINFO_LIBRARY_PATH}/${HAVOK_LIB}")
 
+    # Try to avoid extracting havok library each time we run cmake.
+    if("${havok_${HAVOK_LIB}_extracted}" STREQUAL "" AND EXISTS "${CMAKE_BINARY_DIR}/temp/havok_${HAVOK_LIB}_extracted")
+      file(READ ${CMAKE_BINARY_DIR}/temp/havok_${HAVOK_LIB}_extracted "havok_${HAVOK_LIB}_extracted")
+      if(DEBUG_PREBUILT)
+        message(STATUS "havok_${HAVOK_LIB}_extracted: \"${havok_${HAVOK_LIB}_extracted}\"")
+      endif(DEBUG_PREBUILT)
+    endif("${havok_${HAVOK_LIB}_extracted}" STREQUAL "" AND EXISTS "${CMAKE_BINARY_DIR}/temp/havok_${HAVOK_LIB}_extracted")
+
+    if(${CMAKE_BINARY_DIR}/temp/havok-source_installed IS_NEWER_THAN ${CMAKE_BINARY_DIR}/temp/havok_${HAVOK_LIB}_extracted OR NOT ${havok_${HAVOK_LIB}_extracted} EQUAL 0)
+      if(DEBUG_PREBUILT)
+        MESSAGE(STATUS "Extracting ${HAVOK_LIB}...")
+      endif(DEBUG_PREBUILT)
+      set(cmd "mkdir")
+
+      if(DEBUG_PREBUILT)
+        MESSAGE(STATUS "${cmd} ${debug_dir}")
+      endif(DEBUG_PREBUILT)
             exec_program( ${cmd} ${HAVOK_DEBUG_LIBRARY_PATH} ARGS ${debug_dir} OUTPUT_VARIABLE rv)
+
+      if(DEBUG_PREBUILT)
+        MESSAGE(STATUS "${cmd} ${release_dir}")
+      endif(DEBUG_PREBUILT)
             exec_program( ${cmd} ${HAVOK_RELEASE_LIBRARY_PATH} ARGS ${release_dir} OUTPUT_VARIABLE rv)
+
+      if(DEBUG_PREBUILT)
+        MESSAGE(STATUS "${cmd} ${relwithdebinfo_dir}")
+      endif(DEBUG_PREBUILT)
             exec_program( ${cmd} ${HAVOK_RELWITHDEBINFO_LIBRARY_PATH} ARGS ${relwithdebinfo_dir} OUTPUT_VARIABLE rv)
 
             set(cmd "ar")
             set(arg " -xv")
             set(arg "${arg} ../lib${HAVOK_LIB}.a")
+      if(DEBUG_PREBUILT)
+        MESSAGE(STATUS "cd ${debug_dir} && ${cmd} ${arg}")
+      endif(DEBUG_PREBUILT)
             exec_program( ${cmd} ${debug_dir} ARGS ${arg} OUTPUT_VARIABLE rv)
+
+      if(DEBUG_PREBUILT)
+        MESSAGE(STATUS "cd ${release_dir} && ${cmd} ${arg}")
+      endif(DEBUG_PREBUILT)
             exec_program( ${cmd} ${release_dir} ARGS ${arg} OUTPUT_VARIABLE rv)
+
+      if(DEBUG_PREBUILT)
+        MESSAGE(STATUS "cd ${relwithdebinfo_dir} && ${cmd} ${arg}")
+      endif(DEBUG_PREBUILT)
             exec_program( ${cmd} ${relwithdebinfo_dir} ARGS ${arg} OUTPUT_VARIABLE rv)
 
+      # Just assume success for now.
+      set(havok_${HAVOK_LIB}_extracted 0)
+      file(WRITE ${CMAKE_BINARY_DIR}/temp/havok_${HAVOK_LIB}_extracted "${havok_${HAVOK_LIB}_extracted}")
+
+    endif(${CMAKE_BINARY_DIR}/temp/havok-source_installed IS_NEWER_THAN ${CMAKE_BINARY_DIR}/temp/havok_${HAVOK_LIB}_extracted OR NOT ${havok_${HAVOK_LIB}_extracted} EQUAL 0)
+
             file(GLOB extracted_debug "${debug_dir}/*.o")
             file(GLOB extracted_release "${release_dir}/*.o")
             file(GLOB extracted_relwithdebinfo "${relwithdebinfo_dir}/*.o")
+
+    if(DEBUG_PREBUILT)
+      MESSAGE(STATUS "extracted_debug ${debug_dir}/*.o")
+      MESSAGE(STATUS "extracted_release ${release_dir}/*.o")
+      MESSAGE(STATUS "extracted_relwithdebinfo ${relwithdebinfo_dir}/*.o")
+    endif(DEBUG_PREBUILT)
+
             list(APPEND HK_DEBUG_LIBRARIES ${extracted_debug})
             list(APPEND HK_RELEASE_LIBRARIES ${extracted_release})
             list(APPEND HK_RELWITHDEBINFO_LIBRARIES ${extracted_relwithdebinfo})
@@ -81,3 +134,4 @@ foreach(HAVOK_LIB ${HAVOK_LIBS})
         endif (LINUX)
 endforeach(HAVOK_LIB)
 
+endif(NOT DEFINED ${CMAKE_CURRENT_LIST_FILE}_INCLUDED)
-- 
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