SWDEV-287830 - Remove hardcoding of /opt/rocm path from hip samples (#2391)

Change-Id: I4ffcb4d5afe329377aca63ae0a962c1dc567bfd8

samples/2_Cookbook/15_static_library/README.md

@@ -74,7 +74,8 @@ hipcc hipMain1.cpp -L. -lHipOptLibrary -o test_emit_static_hipcc_linker.out
 ```
 Using g++:
 ```
-g++ hipMain1.cpp -L. -lHipOptLibrary -L/opt/rocm/hip/lib -lamdhip64 -o test_emit_static_host_linker.out
+ROCM_PATH is the path where ROCM is installed. default path is /opt/rocm.
+g++ hipMain1.cpp -L. -lHipOptLibrary -L<ROCM_PATH>/hip/lib -lamdhip64 -o test_emit_static_host_linker.out
 ```
 
 ## Static libraries with device functions

samples/2_Cookbook/15_static_library/device_functions/CMakeLists.txt

@@ -2,8 +2,12 @@ project(static_lib)
 
 cmake_minimum_required(VERSION 3.10)
 
+if (NOT DEFINED ROCM_PATH )
+     set ( ROCM_PATH "/opt/rocm"  CACHE STRING "Default ROCM installation directory." )
+endif ()
+
 # Search for rocm in common locations
-list(APPEND CMAKE_PREFIX_PATH /opt/rocm/hip /opt/rocm)
+list(APPEND CMAKE_PREFIX_PATH ${ROCM_PATH}/hip ${ROCM_PATH})
 
 # Find hip
 find_package(hip REQUIRED)
@@ -23,7 +27,7 @@ add_library(HipDevice STATIC ${CPP_SOURCES})
 
 target_compile_options(HipDevice PRIVATE -fgpu-rdc)
 target_link_libraries(HipDevice PRIVATE -fgpu-rdc)
-target_include_directories(HipDevice PRIVATE /opt/rocm/hsa/include)
+target_include_directories(HipDevice PRIVATE ${ROCM_PATH}/hsa/include)
 
 # Create test executable that uses libHipDevice.a
 set(TEST_SOURCES ${CMAKE_SOURCE_DIR}/hipMain2.cpp)

samples/2_Cookbook/15_static_library/device_functions/Makefile

@@ -1,4 +1,5 @@
-HIP_PATH?= $(wildcard /opt/rocm/hip)
+ROCM_PATH?= $(wildcard /opt/rocm/)
+HIP_PATH?= $(wildcard $(ROCM_PATH)/hip)
 ifeq (,$(HIP_PATH))
 	HIP_PATH=../../..
 endif

samples/2_Cookbook/15_static_library/host_functions/CMakeLists.txt

@@ -2,8 +2,12 @@ project(static_lib)
 
 cmake_minimum_required(VERSION 3.10)
 
+if (NOT DEFINED ROCM_PATH )
+     set ( ROCM_PATH "/opt/rocm"  CACHE STRING "Default ROCM installation directory." )
+endif ()
+
 # Search for rocm in common locations
-list(APPEND CMAKE_PREFIX_PATH /opt/rocm/hip /opt/rocm)
+list(APPEND CMAKE_PREFIX_PATH ${ROCM_PATH}/hip ${ROCM_PATH})
 
 # Find hip
 find_package(hip REQUIRED)

samples/2_Cookbook/15_static_library/host_functions/Makefile

@@ -1,4 +1,5 @@
-HIP_PATH?= $(wildcard /opt/rocm/hip)
+ROCM_PATH?= $(wildcard /opt/rocm/)
+HIP_PATH?= $(wildcard $(ROCM_PATH)/hip)
 ifeq (,$(HIP_PATH))
 	HIP_PATH=../../..
 endif