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obs-studio/cmake/finders/FindUthash.cmake
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CMake

#[=======================================================================[.rst
FindUthash
----------
FindModule for uthash and the associated library
Imported Targets
^^^^^^^^^^^^^^^^
.. versionadded:: 3.0
This module defines the :prop_tgt:`IMPORTED` target ``Uthash::Uthash``.
Result Variables
^^^^^^^^^^^^^^^^
This module sets the following variables:
``Uthash_FOUND``
True, if the library was found.
``Uthash_VERSION``
Detected version of found uthash library.
Cache variables
^^^^^^^^^^^^^^^
The following cache variables may also be set:
``Uthash_INCLUDE_DIR``
Directory containing ``uthash.h``.
#]=======================================================================]
include(FindPackageHandleStandardArgs)
find_path(Uthash_INCLUDE_DIR NAMES uthash.h PATHS /usr/include /usr/local/include DOC "uthash include directory")
if(EXISTS "${Uthash_INCLUDE_DIR}/uthash.h")
file(
STRINGS
"${Uthash_INCLUDE_DIR}/uthash.h"
_version_string
REGEX "#define[ \t]+UTHASH_VERSION[ \t]+[0-9]+\\.[0-9]+\\.[0-9]+"
)
string(
REGEX REPLACE
"#define[ \t]+UTHASH_VERSION[ \t]+([0-9]+\\.[0-9]+\\.[0-9]+)"
"\\1"
Uthash_VERSION
"${_version_string}"
)
else()
if(NOT Uthash_FIND_QUIETLY)
message(AUTHOR_WARNING "Failed to find uthash version.")
endif()
set(Uthash_VERSION 0.0.0)
endif()
if(CMAKE_HOST_SYSTEM_NAME MATCHES "Darwin|Windows")
set(Uthash_ERROR_REASON "Ensure that obs-deps is provided as part of CMAKE_PREFIX_PATH.")
elseif(CMAKE_HOST_SYSTEM_NAME MATCHES "Linux|FreeBSD")
set(Uthash_ERROR_REASON "Ensure uthash library is available in local include paths.")
endif()
find_package_handle_standard_args(
Uthash
REQUIRED_VARS Uthash_INCLUDE_DIR
VERSION_VAR Uthash_VERSION
REASON_FAILURE_MESSAGE "${Uthash_ERROR_REASON}"
)
mark_as_advanced(Uthash_INCLUDE_DIR)
unset(Uthash_ERROR_REASON)
if(Uthash_FOUND)
if(NOT TARGET Uthash::Uthash)
add_library(Uthash::Uthash INTERFACE IMPORTED)
set_target_properties(Uthash::Uthash PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${Uthash_INCLUDE_DIR}")
endif()
endif()
include(FeatureSummary)
set_package_properties(
Uthash
PROPERTIES URL "https://troydhanson.github.io/uthash" DESCRIPTION "A hash table for C structures"
)