mirror of
https://github.com/blender/blender
synced 2026-10-25 03:07:01 +03:00
48c15c655a
Functions scope their variables, macros don't. Use functions for better variable hygiene, with `PARENT_SCOPE` where output variables need to propagate. This avoids the need to `unset(...)` every local variable which is easy to forget - leaking variables into the callers scope. Macros that must remain (flag modification, `find_package` forwarding, paired state, caller-scope `return()`) are annotated with the reason in their doc-strings.
93 lines
2.7 KiB
CMake
93 lines
2.7 KiB
CMake
# SPDX-FileCopyrightText: 2017-2023 Blender Authors
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#
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# SPDX-License-Identifier: GPL-2.0-or-later
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set(FFTW_EXTRA_ARGS "")
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function(fftw_build FFTW_POSTFIX)
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if(WIN32)
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if("${FFTW_POSTFIX}" STREQUAL "float")
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set(FFTW_EXTRA_ARGS -DENABLE_FLOAT=ON)
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endif()
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ExternalProject_Add(external_fftw3_${FFTW_POSTFIX}
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URL file://${PACKAGE_DIR}/${FFTW_FILE}
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DOWNLOAD_DIR ${DOWNLOAD_DIR}
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URL_HASH ${FFTW_HASH_TYPE}=${FFTW_HASH}
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PREFIX ${BUILD_DIR}/fftw3
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CMAKE_ARGS
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-DCMAKE_INSTALL_PREFIX=${LIBDIR}/fftw3
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-DENABLE_THREADS=ON
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-DWITH_COMBINED_THREADS=OFF
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-DBUILD_SHARED_LIBS=OFF
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-DBUILD_TESTS=OFF
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${FFTW_EXTRA_ARGS}
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INSTALL_DIR ${LIBDIR}/fftw3
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)
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else()
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set(FFTW_EXTRA_ARGS --enable-static --enable-threads)
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set(FFTW_INSTALL install)
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ExternalProject_Add(external_fftw3_${FFTW_POSTFIX}
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URL file://${PACKAGE_DIR}/${FFTW_FILE}
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DOWNLOAD_DIR ${DOWNLOAD_DIR}
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URL_HASH ${FFTW_HASH_TYPE}=${FFTW_HASH}
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PREFIX ${BUILD_DIR}/fftw3
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CONFIGURE_COMMAND ${CONFIGURE_ENV} &&
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cd ${BUILD_DIR}/fftw3/src/external_fftw3_${FFTW_POSTFIX}/ &&
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${CONFIGURE_COMMAND} ${FFTW_EXTRA_ARGS} ${ARGN} --prefix=${mingw_LIBDIR}/fftw3
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BUILD_COMMAND ${CONFIGURE_ENV} &&
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cd ${BUILD_DIR}/fftw3/src/external_fftw3_${FFTW_POSTFIX}/ &&
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make -j${MAKE_THREADS}
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INSTALL_COMMAND ${CONFIGURE_ENV} &&
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cd ${BUILD_DIR}/fftw3/src/external_fftw3_${FFTW_POSTFIX}/ &&
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make ${FFTW_INSTALL}
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INSTALL_DIR ${LIBDIR}/fftw3
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)
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endif()
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endfunction()
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fftw_build(double)
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fftw_build(float --enable-float)
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if(WIN32)
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if(BUILD_MODE STREQUAL Release)
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ExternalProject_Add_Step(external_fftw3_double after_install
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COMMAND ${CMAKE_COMMAND} -E copy
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${LIBDIR}/fftw3/lib/fftw3.lib
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${HARVEST_TARGET}/fftw3/lib/fftw3.lib
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COMMAND ${CMAKE_COMMAND} -E copy
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${LIBDIR}/fftw3/include/fftw3.h
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${HARVEST_TARGET}/fftw3/include/fftw3.h
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COMMAND ${CMAKE_COMMAND} -E copy
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${LIBDIR}/fftw3/lib/fftw3_threads.lib
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${HARVEST_TARGET}/fftw3/lib/fftw3_threads.lib
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DEPENDEES install
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)
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ExternalProject_Add_Step(external_fftw3_float after_install
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COMMAND ${CMAKE_COMMAND} -E copy
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${LIBDIR}/fftw3/lib/fftw3f.lib
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${HARVEST_TARGET}/fftw3/lib/fftw3f.lib
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COMMAND ${CMAKE_COMMAND} -E copy
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${LIBDIR}/fftw3/lib/fftw3f_threads.lib
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${HARVEST_TARGET}/fftw3/lib/fftw3f_threads.lib
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DEPENDEES install
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)
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endif()
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endif()
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add_custom_target(external_fftw)
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add_dependencies(
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external_fftw
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external_fftw3_double
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external_fftw3_float)
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if(NOT WIN32)
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harvest(external_fftw3 fftw3/include fftw3/include "*.h")
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harvest(external_fftw3 fftw3/lib fftw3/lib "*.a")
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endif()
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