From f9b71c86098c16436c3a51d8706f52f720ef008d Mon Sep 17 00:00:00 2001
From: Christoph Junghans <junghans@lanl.gov>
Date: Fri, 2 Sep 2016 15:54:49 -0600
Subject: [PATCH] cmake: support multilib

---
 CMakeLists.txt         | 26 ++++++++++++++++----------
 runtime/CMakeLists.txt |  8 ++++----
 2 files changed, 20 insertions(+), 14 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 726e8e4..181a2bd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,12 +20,18 @@ project(Legion)
 #------------------------------------------------------------------------------#
 # Some boilerplate to setup nice output directories
 #------------------------------------------------------------------------------#
+
+#for multilib distros
+if (NOT DEFINED LIB)
+  set(LIB "lib")
+endif(NOT DEFINED LIB)
+
 list(INSERT CMAKE_MODULE_PATH 0 "${Legion_SOURCE_DIR}/cmake")
 if(NOT CMAKE_ARCHIVE_OUTPUT_DIRECTORY)
-  set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${Legion_BINARY_DIR}/lib)
+  set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${Legion_BINARY_DIR}/${LIB})
 endif()
 if(NOT CMAKE_LIBRARY_OUTPUT_DIRECTORY)
-  set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${Legion_BINARY_DIR}/lib)
+  set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${Legion_BINARY_DIR}/${LIB})
 endif()
 if(NOT CMAKE_RUNTIME_OUTPUT_DIRECTORY)
   set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${Legion_BINARY_DIR}/bin)
@@ -50,7 +56,7 @@ option(Legion_USE_HWLOC "Use hwloc for topology awareness" OFF)
 if(Legion_USE_HWLOC)
   find_package(HWLOC REQUIRED)
   install(FILES ${Legion_SOURCE_DIR}/cmake/FindHWLOC.cmake
-    DESTINATION lib/cmake/Legion
+    DESTINATION ${LIB}/cmake/Legion
   )
 endif()
 
@@ -69,7 +75,7 @@ if(Legion_USE_GASNet)
   mark_as_advanced(GASNet_CONDUIT)
   find_package(GASNet REQUIRED)
   install(FILES ${Legion_SOURCE_DIR}/cmake/FindGASNet.cmake
-    DESTINATION lib/cmake/Legion
+    DESTINATION ${LIB}/cmake/Legion
   )
 endif()
 
@@ -81,7 +87,7 @@ if(Legion_USE_LLVM)
   set(Legion_LLVM_COMPONENTS irreader jit mcjit x86)
   find_package(LLVM REQUIRED COMPONENTS ${Legion_LLVM_COMPONENTS})
   install(FILES ${Legion_SOURCE_DIR}/cmake/FindLLVM.cmake
-    DESTINATION lib/cmake/Legion
+    DESTINATION ${LIB}/cmake/Legion
   )
 endif()
 
@@ -97,10 +103,10 @@ if(Legion_USE_CUDA)
   endif()
   find_package(CUDA REQUIRED)
   install(FILES ${Legion_SOURCE_DIR}/cmake/FindCUDA.cmake
-    DESTINATION lib/cmake/Legion
+    DESTINATION ${LIB}/cmake/Legion
   )
   install(FILES ${Legion_SOURCE_DIR}/cmake/newcmake/FindCUDA.cmake
-    DESTINATION lib/cmake/Legion/newcmake
+    DESTINATION ${LIB}/cmake/Legion/newcmake
   )
 endif()
 
@@ -128,7 +134,7 @@ export(EXPORT LegionTargets
 install(EXPORT LegionTargets
   NAMESPACE Legion::
   FILE LegionTargets.cmake
-  DESTINATION lib/cmake/Legion
+  DESTINATION ${LIB}/cmake/Legion
 )
 
 configure_file(
@@ -137,7 +143,7 @@ configure_file(
   @ONLY
 )
 install(FILES ${Legion_BINARY_DIR}/LegionConfigCommon.cmake
-  DESTINATION lib/cmake/Legion
+  DESTINATION ${LIB}/cmake/Legion
 )
 
 configure_file(
@@ -147,7 +153,7 @@ configure_file(
 )
 
 install(FILES cmake/LegionConfig-install.cmake
-  DESTINATION lib/cmake/Legion
+  DESTINATION ${LIB}/cmake/Legion
   RENAME LegionConfig.cmake
 )
 
diff --git a/runtime/CMakeLists.txt b/runtime/CMakeLists.txt
index e21e141..91f6a03 100644
--- a/runtime/CMakeLists.txt
+++ b/runtime/CMakeLists.txt
@@ -176,8 +176,8 @@ target_include_directories(LowLevelRuntime
 )
 
 install(TARGETS LowLevelRuntime EXPORT LegionTargets
-  LIBRARY DESTINATION lib
-  ARCHIVE DESTINATION lib
+  LIBRARY DESTINATION ${LIB}
+  ARCHIVE DESTINATION ${LIB}
   RUNTIME DESTINATION bin
 )
 
@@ -244,8 +244,8 @@ target_include_directories(HighLevelRuntime
 )
 
 install(TARGETS HighLevelRuntime EXPORT LegionTargets
-  LIBRARY DESTINATION lib
-  ARCHIVE DESTINATION lib
+  LIBRARY DESTINATION ${LIB}
+  ARCHIVE DESTINATION ${LIB}
   RUNTIME DESTINATION bin
 )
 
-- 
2.7.3