1 files changed, 32 insertions, 0 deletions

diff --git a/cmake/scripts/common/Platform.cmake b/cmake/scripts/common/Platform.cmake
new file mode 100644
index 0000000..b19b7e5
--- /dev/null
+++ b/cmake/scripts/common/Platform.cmake
@@ -0,0 +1,32 @@
+if(NOT CORE_SYSTEM_NAME)
+  string(TOLOWER ${CMAKE_SYSTEM_NAME} CORE_SYSTEM_NAME)
+endif()
+
+if(CORE_SYSTEM_NAME STREQUAL linux)
+  # Set default CORE_PLATFORM_NAME to X11
+  # This is overridden by user setting -DCORE_PLATFORM_NAME=<platform>
+  set(_DEFAULT_PLATFORM X11)
+else()
+  string(TOLOWER ${CORE_SYSTEM_NAME} _DEFAULT_PLATFORM)
+endif()
+
+#
+# Note: please do not use CORE_PLATFORM_NAME in any checks,
+# use the normalized to lower case CORE_PLATFORM_NAME_LC (see below) instead
+#
+if(NOT CORE_PLATFORM_NAME)
+  set(CORE_PLATFORM_NAME ${_DEFAULT_PLATFORM} CACHE STRING "Platform port to build")
+endif()
+unset(_DEFAULT_PLATFORM)
+string(TOLOWER ${CORE_PLATFORM_NAME} CORE_PLATFORM_NAME_LC)
+
+list(APPEND final_message "Platform: ${CORE_PLATFORM_NAME}")
+if(EXISTS ${CMAKE_SOURCE_DIR}/cmake/platform/${CORE_SYSTEM_NAME}/${CORE_PLATFORM_NAME_LC}.cmake)
+  include(${CMAKE_SOURCE_DIR}/cmake/platform/${CORE_SYSTEM_NAME}/${CORE_PLATFORM_NAME_LC}.cmake)
+else()
+  file(GLOB _platformnames RELATIVE ${CMAKE_SOURCE_DIR}/cmake/platform/${CORE_SYSTEM_NAME}/
+                                    ${CMAKE_SOURCE_DIR}/cmake/platform/${CORE_SYSTEM_NAME}/*.cmake)
+  string(REPLACE ".cmake" " " _platformnames ${_platformnames})
+  message(FATAL_ERROR "invalid CORE_PLATFORM_NAME: ${CORE_PLATFORM_NAME_LC}\nValid platforms: ${_platformnames}")
+endif()
+