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Merge branch 'bugfix/cmake_convert_whitespace_v4.0' into 'release/v4.0'

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cmake: Minor convert_to_cmake.py fixes (v4.0)

See merge request espressif/esp-idf!7876
This commit is contained in:
Angus Gratton 2020-03-09 06:55:19 +08:00
parent 3d887cfff7 3d0ecfdc70
commit 376703bf05
2 changed files with 17 additions and 5 deletions
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2
docs/en/api-guides/build-system.rst
View file

@ -1422,6 +1422,8 @@ The tool will convert the project Makefile and any component ``component.mk`` fi
It does so by running ``make`` to expand the ESP-IDF build system variables which are set by the build, and then producing equivalent CMakelists files to set the same variables.
.. important:: When the conversion tool converts a ``component.mk`` file, it doesn't determine what other components that component depends on. This information needs to be added manually by editing the new component ``CMakeLists.txt`` file and adding ``REQUIRES`` and/or ``PRIV_REQUIRES`` clauses. Otherwise, source files in the component will fail to compile as headers from other components are not found. See :ref:`component requirements`.
The conversion tool is not capable of dealing with complex Makefile logic or unusual targets. These will need to be converted by hand.
No Longer Available in CMake

20
tools/cmake/convert_to_cmake.py
View file

@ -78,14 +78,14 @@ def get_component_variables(project_path, component_path):
return None
srcs = []
for obj in make_vars["COMPONENT_OBJS"].split(" "):
for obj in make_vars["COMPONENT_OBJS"].split():
src = find_src(obj)
if src is not None:
srcs.append(src)
make_vars["COMPONENT_SRCS"] = " ".join(srcs)
else:
component_srcs = list()
for component_srcdir in make_vars.get("COMPONENT_SRCDIRS", ".").split(" "):
for component_srcdir in make_vars.get("COMPONENT_SRCDIRS", ".").split():
component_srcdir_path = os.path.abspath(os.path.join(component_path, component_srcdir))
srcs = list()
@ -114,7 +114,9 @@ def convert_project(project_path):
if "PROJECT_NAME" not in project_vars:
raise RuntimeError("PROJECT_NAME does not appear to be defined in IDF project Makefile at %s" % project_path)
component_paths = project_vars["COMPONENT_PATHS"].split(" ")
component_paths = project_vars["COMPONENT_PATHS"].split()
converted_components = 0
# Convert components as needed
for p in component_paths:
@ -122,7 +124,7 @@ def convert_project(project_path):
cmd = ["cygpath", "-w", p]
p = subprocess.check_output(cmd).strip()
convert_component(project_path, p)
converted_components += convert_component(project_path, p)
project_name = project_vars["PROJECT_NAME"]
@ -143,6 +145,13 @@ include($ENV{IDF_PATH}/tools/cmake/project.cmake)
print("Converted project %s" % project_cmakelists)
if converted_components > 0:
print("Note: Newly created component CMakeLists.txt do not have any REQUIRES or PRIV_REQUIRES "
"lists to declare their component requirements. Builds may fail to include other "
"components' header files. If so requirements need to be added to the components' "
"CMakeLists.txt files. See the 'Component Requirements' section of the "
"Build System docs for more details.")
def convert_component(project_path, component_path):
if debug:
@ -150,7 +159,7 @@ def convert_component(project_path, component_path):
cmakelists_path = os.path.join(component_path, "CMakeLists.txt")
if os.path.exists(cmakelists_path):
print("Skipping already-converted component %s..." % cmakelists_path)
return
return 0
v = get_component_variables(project_path, component_path)
# Look up all the variables before we start writing the file, so it's not
@ -173,6 +182,7 @@ def convert_component(project_path, component_path):
f.write("target_compile_options(${COMPONENT_LIB} PRIVATE %s)\n" % cflags)
print("Converted %s" % cmakelists_path)
return 1
def main():