From b6abc6b0fb746c23a67e568bfcfafedf96960007 Mon Sep 17 00:00:00 2001
From: Maneesh Gupta <maneesh.gupta@amd.com>
Date: Thu, 29 Sep 2016 10:29:18 +0530
Subject: [PATCH] Rebuild hip_hcc if hcc version changes

And also force rebuild of .buildInfo & .version everytime

Change-Id: I97e0d3c24fd693366a293803088014d13ca640cc


[ROCm/clr commit: 1df4c1288a7ec97307ee8cb0ca8efe9786d5ca37]
---
 projects/clr/hipamd/CMakeLists.txt | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/projects/clr/hipamd/CMakeLists.txt b/projects/clr/hipamd/CMakeLists.txt
index ddff6b6769..cd754db4d0 100644
--- a/projects/clr/hipamd/CMakeLists.txt
+++ b/projects/clr/hipamd/CMakeLists.txt
@@ -145,6 +145,9 @@ add_to_config(_buildInfo COMPILE_HIP_ATP_MARKER)
 #############################
 # Build steps
 #############################
+# Rebuild cmake cache updates .buildInfo and .version
+add_custom_target(update_build_and_version_info ALL COMMAND make rebuild_cache)
+
 # Build clang hipify if enabled
 if(BUILD_CLANG_HIPIFY)
     add_subdirectory(clang-hipify)
@@ -192,6 +195,13 @@ if(HIP_PLATFORM STREQUAL "hcc")
         add_library(hip_hcc SHARED ${SOURCE_FILES})
     endif()
 
+    # Generate hcc_version.txt
+    add_custom_target(query_hcc_version COMMAND ${HCC_HOME}/bin/hcc --version > ${PROJECT_BINARY_DIR}/hcc_version.tmp)
+    add_custom_target(check_hcc_version COMMAND ${CMAKE_COMMAND} -E copy_if_different ${PROJECT_BINARY_DIR}/hcc_version.tmp ${PROJECT_BINARY_DIR}/hcc_version.txt DEPENDS query_hcc_version)
+    set_source_files_properties(${PROJECT_BINARY_DIR}/hcc_version.txt PROPERTIES GENERATED TRUE)
+    set_source_files_properties(${SOURCE_FILES} PROPERTIES OBJECT_DEPENDS ${PROJECT_BINARY_DIR}/hcc_version.txt)
+    add_dependencies(hip_hcc check_hcc_version update_build_and_version_info)
+
     # Generate .buildInfo
     file(WRITE "${PROJECT_BINARY_DIR}/.buildInfo" ${_buildInfo})
 endif()