simplify the complicated removal of dependency sources

add hex file generation

tools/export/cmake/CMakeLists.txt.tmpl

@@ -30,7 +30,7 @@ SET(CMAKE_CXX_FLAGS "{{cxx_flags}}  -include mbed_config.h")
 SET(CMAKE_ASM_FLAGS "{{asm_flags}}  -include mbed_config.h")
 SET(CMAKE_CXX_LINK_FLAGS "{{ld_flags}}")
 {% if pp -%}
-SET(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_INK_FLAGS} {{link_script_option}} ${CMAKE_BINARY_DIR}/{{name}}.link_script.ld ${LD_SYS_LIBS}")
+SET(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_LINK_FLAGS} ${LD_SYS_LIBS} {{link_script_option}} ${CMAKE_BINARY_DIR}/{{name}}.link_script.ld")
 {%- endif %}
 
 ADD_DEFINITIONS(
@@ -48,21 +48,26 @@ ADD_LIBRARY({{libname}} STATIC
 {% endfor %}
 
 # executable {{name}}
-ADD_EXECUTABLE({{name}}.elf
+ADD_EXECUTABLE({{name}}
   {% for src in sources %}{{src}}
   {% endfor %})
-TARGET_LINK_LIBRARIES({{name}}.elf
-  {% for libname in dependencies %}{{libname}}
+TARGET_LINK_LIBRARIES({{name}}
+  {% for libname in dependencies.keys()|sort(reverse=true) %}{{libname}}
   {% endfor %})
 
 {% if pp -%}
-add_custom_command(TARGET {{name}}.elf PRE_LINK
+add_custom_command(TARGET {{name}} PRE_LINK
                    COMMAND "{{pp}}" {{pp_flags}} {{linker_script}} -o ${CMAKE_CURRENT_BINARY_DIR}/{{name}}.link_script.ld
                    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
                    BYPRODUCTS "${CMAKE_CURRENT_BINARY_DIR}/{{name}}.link_script.ld"
                    )
 {%- endif %}
 
+add_custom_command(TARGET {{name}} POST_BUILD
+                   COMMAND ${ELF2BIN} -O ihex $<TARGET_FILE:{{name}}> $<TARGET_FILE:{{name}}>.hex
+                  )
+
+
 ##########################################################################
 # mbed-cli specific targets
 ##########################################################################

tools/export/cmake/__init__.py

@@ -73,10 +73,9 @@ class CMake(Exporter):
         depSources = {k: v for k, v in depSources.items() if len(v) != 0}
 
         # remove all source files that ended up being part of one of the dependencies
-        # we flatten the list of source files from all dependencies and
-        # then only add file to srcs if its not in that list
-        # (basically srcs = allSourcefiles - flatten(depSources.values())
-        srcs = [f for f in allSourceFiles if f not in [item for sublist in depSources.values() for item in sublist]]
+        srcs = allSourceFiles
+        for dep in depSources.values():
+            srcs.difference_update(dep)
 
         # additional libraries
         libraries = [self.prepare_lib(basename(lib)) for lib in self.resources.libraries]
@@ -85,7 +84,7 @@ class CMake(Exporter):
         ctx = {
             'name': self.project_name,
             'target': self.target,
-            'sources': srcs,
+            'sources': sorted(srcs),
             'dependencies': depSources,
             'libraries': libraries,
             'ld_sys_libs': sys_libs,