Make achives have relative directories

Author: pfultz2

share/rocmcmakebuildtools/cmake/ROCMCreatePackage.cmake

@@ -289,13 +289,6 @@ macro(rocm_create_package)
         if(${CPACK_SET_DESTDIR})
             set(CPACK_PACKAGING_INSTALL_PREFIX "")
         endif()
-    else()
-        # On Windows, CPACK_SET_DESTDIR is not supported, but we need to set
-        # CPACK_PACKAGING_INSTALL_PREFIX to ensure consistent archive structure
-        # between platforms for TGZ/ZIP generators. 
-        if(NOT DEFINED CPACK_PACKAGING_INSTALL_PREFIX)
-            set(CPACK_PACKAGING_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}")
-        endif()
     endif()
 
     rocm_get_patch_version(ROCM_VERSION_NUM)
@@ -439,6 +432,18 @@ macro(rocm_create_package)
     # Lintian Warning Fix: Enable post/pre scripts only if non empty
     rocm_check_and_configure_script_files("${PROJECT_BINARY_DIR}/debian/prerm" "${PROJECT_BINARY_DIR}/debian/postinst")
 
+    # Create a CPack project config file for generator-specific settings
+    set(_cpack_project_config "${PROJECT_BINARY_DIR}/CPackProjectConfig.cmake")
+    file(WRITE "${_cpack_project_config}" "
+    # Generator-specific configuration for consistent archive paths
+    if(CPACK_GENERATOR MATCHES \"TGZ|ZIP\")
+        # Use relative paths for archive generators (consistent across platforms)
+        set(CPACK_SET_DESTDIR OFF)
+        set(CPACK_PACKAGING_INSTALL_PREFIX \"/\")
+    endif()
+    ")
+    set(CPACK_PROJECT_CONFIG_FILE "${_cpack_project_config}")
+
     include(CPack)
     set(ROCM_PACKAGE_CREATED TRUE CACHE INTERNAL "Track whether rocm_create_package has been called.")
 endmacro()

test/pass/simple-test-package.cmake

@@ -7,5 +7,5 @@ file(GLOB TEST_PACKAGE ${BUILD_DIR}/*-tests.tar.gz)
 list(LENGTH TEST_PACKAGE NTEST_PACKAGE)
 test_expect_eq(${NTEST_PACKAGE} 1)
 test_exec(COMMAND ${CMAKE_COMMAND} -E tar t ${TEST_PACKAGE})
-test_exec(COMMAND ${CMAKE_COMMAND} -E tar x ${TEST_PACKAGE} WORKING_DIRECTORY /)
+test_exec(COMMAND ${CMAKE_COMMAND} -E tar x ${TEST_PACKAGE} WORKING_DIRECTORY ${PREFIX})
 test_expect_file(${PREFIX}/libexec/installed-tests/simple/CTestTestfile.cmake)