FindZLIB: Find debug and release variants separately

Provide each variant in ZLIB_LIBRARIES and ZLIB::ZLIB imported location
properties when one is found, while maintaining support for manually
setting the library via ZLIB_LIBRARY.
This commit is contained in:
Michael Scott 2015-09-01 20:41:27 +01:00 committed by Brad King
parent 72c11e5902
commit 11097f5231
2 changed files with 45 additions and 5 deletions

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@ -0,0 +1,5 @@
FindZLIB-per-config
-------------------
* The :module:`FindZLIB` module learned to search separately for
debug and release variants.

View File

@ -74,14 +74,28 @@ set(_ZLIB_SEARCH_NORMAL
)
list(APPEND _ZLIB_SEARCHES _ZLIB_SEARCH_NORMAL)
set(ZLIB_NAMES z zlib zdll zlib1 zlibd zlibd1)
set(ZLIB_NAMES z zlib zdll zlib1)
set(ZLIB_NAMES_DEBUG zlibd zlibd1)
# Try each search configuration.
foreach(search ${_ZLIB_SEARCHES})
find_path(ZLIB_INCLUDE_DIR NAMES zlib.h ${${search}} PATH_SUFFIXES include)
find_library(ZLIB_LIBRARY NAMES ${ZLIB_NAMES} ${${search}} PATH_SUFFIXES lib)
find_path(ZLIB_INCLUDE_DIR NAMES zlib.h ${${search}} PATH_SUFFIXES include)
endforeach()
# Allow ZLIB_LIBRARY to be set manually, as the location of the zlib library
if(NOT ZLIB_LIBRARY)
foreach(search ${_ZLIB_SEARCHES})
find_library(ZLIB_LIBRARY_RELEASE NAMES ${ZLIB_NAMES} ${${search}} PATH_SUFFIXES lib)
find_library(ZLIB_LIBRARY_DEBUG NAMES ${ZLIB_NAMES_DEBUG} ${${search}} PATH_SUFFIXES lib)
endforeach()
include(${CMAKE_CURRENT_LIST_DIR}/SelectLibraryConfigurations.cmake)
select_library_configurations(ZLIB)
endif()
unset(ZLIB_NAMES)
unset(ZLIB_NAMES_DEBUG)
mark_as_advanced(ZLIB_LIBRARY ZLIB_INCLUDE_DIR)
if(ZLIB_INCLUDE_DIR AND EXISTS "${ZLIB_INCLUDE_DIR}/zlib.h")
@ -112,12 +126,33 @@ FIND_PACKAGE_HANDLE_STANDARD_ARGS(ZLIB REQUIRED_VARS ZLIB_LIBRARY ZLIB_INCLUDE_D
if(ZLIB_FOUND)
set(ZLIB_INCLUDE_DIRS ${ZLIB_INCLUDE_DIR})
set(ZLIB_LIBRARIES ${ZLIB_LIBRARY})
if(NOT ZLIB_LIBRARIES)
set(ZLIB_LIBRARIES ${ZLIB_LIBRARY})
endif()
if(NOT TARGET ZLIB::ZLIB)
add_library(ZLIB::ZLIB UNKNOWN IMPORTED)
set_target_properties(ZLIB::ZLIB PROPERTIES
IMPORTED_LOCATION "${ZLIB_LIBRARY}"
INTERFACE_INCLUDE_DIRECTORIES "${ZLIB_INCLUDE_DIRS}")
if(ZLIB_LIBRARY_RELEASE)
set_property(TARGET ZLIB::ZLIB APPEND PROPERTY
IMPORTED_CONFIGURATIONS RELEASE)
set_target_properties(ZLIB::ZLIB PROPERTIES
IMPORTED_LOCATION_RELEASE "${ZLIB_LIBRARY_RELEASE}")
endif()
if(ZLIB_LIBRARY_DEBUG)
set_property(TARGET ZLIB::ZLIB APPEND PROPERTY
IMPORTED_CONFIGURATIONS DEBUG)
set_target_properties(ZLIB::ZLIB PROPERTIES
IMPORTED_LOCATION_DEBUG "${ZLIB_LIBRARY_DEBUG}")
endif()
if(NOT ZLIB_LIBRARY_RELEASE AND NOT ZLIB_LIBRARY_DEBUG)
set_property(TARGET ZLIB::ZLIB APPEND PROPERTY
IMPORTED_LOCATION "${ZLIB_LIBRARY}")
endif()
endif()
endif()