CMake: Use relative paths to list source files and directories

The absolute path is still required for listing linker
files as they are referenced from a function in the top
level CMake input source file.

Author: hugueskamba

CMakeLists.txt

@@ -5,11 +5,6 @@
 
 cmake_minimum_required(VERSION 3.19.0 FATAL_ERROR)
 
-# Using relative paths behavior
-if(POLICY CMP0076)
-    cmake_policy(SET CMP0076 NEW)
-endif()
-
 include(${MBED_CONFIG_PATH}/mbed_config.cmake)
 include(${MBED_PATH}/tools/cmake/core.cmake)
 

connectivity/cellular/CMakeLists.txt

@@ -5,14 +5,14 @@ add_subdirectory(source/framework)
 
 target_include_directories(mbed-cellular
     INTERFACE
-        ${CMAKE_CURRENT_SOURCE_DIR}
-        ${CMAKE_CURRENT_SOURCE_DIR}/include
-        ${CMAKE_CURRENT_SOURCE_DIR}/include/cellular
-        ${CMAKE_CURRENT_SOURCE_DIR}/include/cellular/framework
-        ${CMAKE_CURRENT_SOURCE_DIR}/include/cellular/framework/API
-        ${CMAKE_CURRENT_SOURCE_DIR}/include/cellular/framework/AT
-        ${CMAKE_CURRENT_SOURCE_DIR}/include/cellular/framework/common
-        ${CMAKE_CURRENT_SOURCE_DIR}/include/cellular/framework/device
+        .
+        ./include
+        ./include/cellular
+        ./include/cellular/framework
+        ./include/cellular/framework/API
+        ./include/cellular/framework/AT
+        ./include/cellular/framework/common
+        ./include/cellular/framework/device
 )
 
 target_compile_definitions(mbed-cellular

connectivity/drivers/802.15.4_RF/TARGET_Silicon_Labs/TARGET_SL_RAIL/CMakeLists.txt

@@ -3,7 +3,7 @@
 
 target_include_directories(mbed-802.15.4-rf
     INTERFACE
-        ${CMAKE_CURRENT_SOURCE_DIR}
+        .
 )
 
 target_sources(mbed-802.15.4-rf

connectivity/drivers/cellular/MultiTech/DragonflyNano/PPP/CMakeLists.txt

@@ -3,7 +3,7 @@
 
 target_include_directories(mbed-cellular
     INTERFACE
-        ${CMAKE_CURRENT_SOURCE_DIR}
+        .
 )
 
 target_sources(mbed-cellular

connectivity/drivers/cellular/QUECTEL/EC2X/CMakeLists.txt

@@ -3,7 +3,7 @@
 
 target_include_directories(mbed-cellular
     INTERFACE
-        ${CMAKE_CURRENT_SOURCE_DIR}
+        .
 )
 
 target_sources(mbed-cellular

connectivity/drivers/cellular/TELIT/ME910/CMakeLists.txt

@@ -3,7 +3,7 @@
 
 target_include_directories(mbed-cellular
     INTERFACE
-        ${CMAKE_CURRENT_SOURCE_DIR}
+        .
 )
 
 target_sources(mbed-cellular

connectivity/drivers/emac/TARGET_GD_EMAC/CMakeLists.txt

@@ -9,7 +9,7 @@ endif()
 
 target_include_directories(mbed-emac
     INTERFACE
-        ${CMAKE_CURRENT_SOURCE_DIR}
+        .
 )
 
 target_sources(mbed-emac

connectivity/drivers/emac/TARGET_RDA_EMAC/CMakeLists.txt

@@ -5,7 +5,7 @@ add_subdirectory(lwip-wifi)
 
 target_include_directories(mbed-emac
     INTERFACE
-        ${CMAKE_CURRENT_SOURCE_DIR}
+        .
 )
 
 target_sources(mbed-emac

connectivity/drivers/mbedtls/FEATURE_CRYPTOCELL310/binaries/CMakeLists.txt

@@ -11,7 +11,7 @@ function(_mbed_get_libcc_310_core)
     endif()
     target_link_libraries(mbed-mbedtls-cryptocell310
         INTERFACE
-            ${CMAKE_CURRENT_SOURCE_DIR}/${LIBCC_310_CORE}
+            ./${LIBCC_310_CORE}
     )
 endfunction()
 

connectivity/drivers/mbedtls/TARGET_NUVOTON/TARGET_NUC472/TARGET_NUMAKER_PFM_NUC472/CMakeLists.txt

@@ -3,5 +3,5 @@
 
 target_include_directories(mbed-mbedtls
     INTERFACE
-        ${CMAKE_CURRENT_SOURCE_DIR}
+        .
 )