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61da959bb4
59d5f692f removed cmake.deps/cmake/DownloadAndExtractFile.cmake and
support for USE_EXISTING_SRC_DIR. The Ubuntu nightly PPA still relies
on USE_EXISTING_SRC_DIR functionality since it can't access the network
during the build.
Supplying an empty value for ExternalProject_Add()'s URL value appears
to provide the needed mechanism to avoid re-downloading when the sources
are already present. This is undocumented behavior, though, so it may
break in the future.
Now, if USE_EXISTING_SRC_DIR is set, the ExternalProject's URL variable
is unset, preventing the download and erroring out if the source doesn't
actually exist.
25 lines
977 B
CMake
25 lines
977 B
CMake
if(MSVC)
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if(USE_EXISTING_SRC_DIR)
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unset(LIBICONV_URL)
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endif()
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ExternalProject_Add(libiconv
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URL ${LIBICONV_URL}
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URL_HASH SHA256=${LIBICONV_SHA256}
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DOWNLOAD_NO_PROGRESS TRUE
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DOWNLOAD_DIR ${DEPS_DOWNLOAD_DIR}/libiconv
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CONFIGURE_COMMAND ${CMAKE_COMMAND} -E copy
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${CMAKE_CURRENT_SOURCE_DIR}/cmake/LibiconvCMakeLists.txt
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${DEPS_BUILD_DIR}/src/libiconv/CMakeLists.txt
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COMMAND ${CMAKE_COMMAND} ${DEPS_BUILD_DIR}/src/libiconv
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-DCMAKE_INSTALL_PREFIX=${DEPS_INSTALL_DIR}
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${BUILD_TYPE_STRING}
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-DCMAKE_GENERATOR=${CMAKE_GENERATOR}
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-DCMAKE_GENERATOR_PLATFORM=${CMAKE_GENERATOR_PLATFORM}
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BUILD_COMMAND ${CMAKE_COMMAND} --build . --config $<CONFIG>
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INSTALL_COMMAND ${CMAKE_COMMAND} --build . --target install --config $<CONFIG>)
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else()
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message(FATAL_ERROR "Trying to build libiconv in an unsupported system ${CMAKE_SYSTEM_NAME}/${CMAKE_C_COMPILER_ID}")
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endif()
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list(APPEND THIRD_PARTY_DEPS libiconv)
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