nativesdk-cmake: Adjust toolchain paths dynamically

This patch adds a flexible way to configure the CMake in SDKs. It adds
a toolchain configuration script which supports subscripts for
extensions, as for example Qt5.

(From OE-Core rev: 4143f3b0ce0d0c52f5b0babc1bb16ac0ac9610eb)

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 18 insertions, 0 deletions

diff --git a/meta/recipes-devtools/cmake/cmake/OEToolchainConfig.cmake b/meta/recipes-devtools/cmake/cmake/OEToolchainConfig.cmake
new file mode 100644
index 0000000000..60014bbf2b
--- /dev/null
+++ b/meta/recipes-devtools/cmake/cmake/OEToolchainConfig.cmake
@@ -0,0 +1,18 @@
+set( CMAKE_SYSTEM_NAME Linux )
+set( CMAKE_C_FLAGS $ENV{CFLAGS} CACHE STRING "" FORCE )
+set( CMAKE_CXX_FLAGS $ENV{CXXFLAGS}  CACHE STRING "" FORCE )
+set( CMAKE ASM_FLAGS ${CMAKE_C_FLAGS} CACHE STRING "" FORCE )
+set( CMAKE_LDFLAGS_FLAGS ${CMAKE_CXX_FLAGS} CACHE STRING "" FORCE )
+set( CMAKE_FIND_ROOT_PATH $ENV{OECORE_TARGET_SYSROOT} $ENV{OECORE_NATIVE_SYSROOT} )
+set( CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER )
+set( CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY )
+set( CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY )
+
+string(REGEX MATCH "sysroots/([a-zA-Z0-9]+)" CMAKE_SYSTEM_PROCESSOR $ENV{SDKTARGETSYSROOT})
+string(REGEX REPLACE "sysroots/" "" CMAKE_SYSTEM_PROCESSOR ${CMAKE_SYSTEM_PROCESSOR})
+
+# Include the toolchain configuration subscripts
+file( GLOB toolchain_config_files "${CMAKE_TOOLCHAIN_FILE}.d/*.cmake" )
+foreach(config ${toolchain_config_files})
+    include(${config})
+endforeach()