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https://issues.apache.org/jira/browse/MINIFICPP-555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16549349#comment-16549349
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Andrew Christianson commented on MINIFICPP-555:
-----------------------------------------------
CMAKE_TOOLCHAIN_FILE does not encompass all vars that would need to be passed
through (including CMAKE_TOOLCHAIN_FILE itself).
> Pass through CMake args from build environment to external projects
> -------------------------------------------------------------------
>
> Key: MINIFICPP-555
> URL: https://issues.apache.org/jira/browse/MINIFICPP-555
> Project: NiFi MiNiFi C++
> Issue Type: Improvement
> Reporter: Andrew Christianson
> Assignee: Andrew Christianson
> Priority: Major
>
> When the build environment is customized, and especially in cross-compilation
> build environments, many CMake env vars are set which need to be, but are not
> by default, passed to external project builds. Vars include:
>
> {code:java}
> set(PASSTHROUGH_CMAKE_ARGS -DANDROID_ABI=${ANDROID_ABI}
> -DANDROID_PLATFORM=${ANDROID_PLATFORM}
> -DANDROID_STL=${ANDROID_STL}
> -DCMAKE_LIBRARY_OUTPUT_DIRECTORY=${CMAKE_LIBRARY_OUTPUT_DIRECTORY}
> -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
> -DANDROID_NDK=${ANDROID_NDK}
> -DCMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS}
> -DCMAKE_TOOLCHAIN_FILE=${CMAKE_TOOLCHAIN_FILE}
> -DCMAKE_MAKE_PROGRAM=${CMAKE_MAKE_PROGRAM}
> -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
> -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
> -DCMAKE_FIND_ROOT_PATH=${CMAKE_FIND_ROOT_PATH}
> -DCMAKE_FIND_ROOT_PATH_MODE_PROGRAM=${CMAKE_FIND_ROOT_PATH_MODE_PROGRAM}
> -DCMAKE_FIND_ROOT_PATH_MODE_LIBRARY=${CMAKE_FIND_ROOT_PATH_MODE_LIBRARY}
> -DCMAKE_FIND_ROOT_PATH_MODE_INCLUDE=${CMAKE_FIND_ROOT_PATH_MODE_INCLUDE}
> -DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX}
> -G${CMAKE_GENERATOR})
> {code}
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