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cmake: Account for IDF_PATH case mismatches on case insensitive filesystems

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Angus Gratton 2019-09-18 17:54:10 +10:00 committed by Angus Gratton
parent c27fd32fbe
commit 36ba5bc5ee
1 changed files with 9 additions and 4 deletions
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11
tools/cmake/idf.cmake
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@ -1,19 +1,24 @@
get_property(__idf_env_set GLOBAL PROPERTY __IDF_ENV_SET)
if(NOT __idf_env_set)
# Infer an IDF_PATH relative to the tools/cmake directory
get_filename_component(_idf_path "${CMAKE_CURRENT_LIST_DIR}/../.." ABSOLUTE)
get_filename_component(_idf_path "${CMAKE_CURRENT_LIST_DIR}/../.." REALPATH)
file(TO_CMAKE_PATH "${_idf_path}" _idf_path)
# Get the path set in environment
set(idf_path $ENV{IDF_PATH})
file(TO_CMAKE_PATH "${idf_path}" idf_path)
# Environment IDF_PATH should match the inferred IDF_PATH. If not, warn the user.
# (Note: REALPATH is needed in both above steps to account for case on case
# insensitive filesystems, or relative paths)
if(idf_path)
get_filename_component(idf_path "${idf_path}" REALPATH)
file(TO_CMAKE_PATH "${idf_path}" idf_path)
if(NOT idf_path STREQUAL _idf_path)
message(WARNING "IDF_PATH environment variable is different from inferred IDF_PATH.
Check if your project's top-level CMakeLists.txt includes the right
CMake files. Environment IDF_PATH will be used for the build.")
CMake files. Environment IDF_PATH will be used for the build:
${idf_path}")
endif()
else()
message(WARNING "IDF_PATH environment variable not found. Setting IDF_PATH to '${_idf_path}'.")