Merge pull request #779 from TheLastRar/zlib-undo-rename

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flow 2023-01-25 11:53:51 -08:00 committed by GitHub
commit 9b7c8ea22d
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@ -392,7 +392,17 @@ if(FORCE_BUNDLED_ZLIB)
set(SKIP_INSTALL_ALL ON)
add_subdirectory(libraries/zlib EXCLUDE_FROM_ALL)
set(ZLIB_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/libraries/zlib" "${CMAKE_CURRENT_BINARY_DIR}/libraries/zlib" CACHE STRING "" FORCE)
# On OS where unistd.h exists, zlib's generated header defines `Z_HAVE_UNISTD_H`, while the included header does not.
# We cannot safely undo the rename on those systems, and they generally have packages for zlib anyway.
check_include_file(unistd.h NEED_GENERATED_ZCONF)
if (EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/libraries/zlib/zconf.h.included" AND NOT NEED_GENERATED_ZCONF)
# zlib's cmake script renames a file, dirtying the submodule, see https://github.com/madler/zlib/issues/162
message(STATUS "Undoing Rename")
message(STATUS " ${CMAKE_CURRENT_SOURCE_DIR}/libraries/zlib/zconf.h")
file(RENAME "${CMAKE_CURRENT_SOURCE_DIR}/libraries/zlib/zconf.h.included" "${CMAKE_CURRENT_SOURCE_DIR}/libraries/zlib/zconf.h")
endif()
set(ZLIB_INCLUDE_DIR "${CMAKE_CURRENT_BINARY_DIR}/libraries/zlib" "${CMAKE_CURRENT_SOURCE_DIR}/libraries/zlib" CACHE STRING "" FORCE)
set_target_properties(zlibstatic PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${ZLIB_INCLUDE_DIR}")
add_library(ZLIB::ZLIB ALIAS zlibstatic)
set(ZLIB_LIBRARY ZLIB::ZLIB CACHE STRING "zlib library name")