Merge pull request #14204 from multiplemonomials/cmake-exe-suffix

Set executable suffix in CMake

Author: 0xc0170

CMakeLists.txt

@@ -140,7 +140,7 @@ function(mbed_set_mbed_target_linker_script target)
         target_link_options(mbed-core
             INTERFACE
                 "-T" "${CMAKE_BINARY_DIR}/${target}.link_script.ld"
-                "-Wl,-Map=${CMAKE_BINARY_DIR}/${target}.map"
+                "-Wl,-Map=${CMAKE_BINARY_DIR}/${target}${CMAKE_EXECUTABLE_SUFFIX}.map"
         )
     elseif(MBED_TOOLCHAIN STREQUAL "ARM")
         set(CMAKE_PRE_BUILD_COMMAND COMMAND "")

tools/cmake/app.cmake

@@ -19,3 +19,7 @@ endif()
 include(${MBED_PATH}/tools/cmake/profile.cmake)
 
 enable_language(C CXX ASM)
+
+# set executable suffix (has to be done after enabling languages)
+# Note: This is nice to have, but is also required because STM32Cube will only work on files with a .elf extension
+set(CMAKE_EXECUTABLE_SUFFIX .elf)