zoneminder/cmake/Modules/FindFmt.cmake

101 lines
3.4 KiB
CMake

# FindFmt
# -------
# Finds the Fmt library
#
# This will define the following variables::
#
# FMT_FOUND - system has Fmt
# FMT_INCLUDE_DIRS - the Fmt include directory
# FMT_LIBRARIES - the Fmt libraries
#
# and the following imported targets::
#
# Fmt::Fmt - The Fmt library
if(ENABLE_INTERNAL_FMT)
include(ExternalProject)
file(STRINGS ${CMAKE_SOURCE_DIR}/tools/depends/target/libfmt/Makefile VER REGEX "^[ ]*VERSION[ ]*=.+$")
string(REGEX REPLACE "^[ ]*VERSION[ ]*=[ ]*" "" FMT_VERSION "${VER}")
# allow user to override the download URL with a local tarball
# needed for offline build envs
if(FMT_URL)
get_filename_component(FMT_URL "${FMT_URL}" ABSOLUTE)
else()
set(FMT_URL http://mirrors.kodi.tv/build-deps/sources/fmt-${FMT_VERSION}.tar.gz)
endif()
if(VERBOSE)
message(STATUS "FMT_URL: ${FMT_URL}")
endif()
if(APPLE)
set(EXTRA_ARGS "-DCMAKE_OSX_ARCHITECTURES=${CMAKE_OSX_ARCHITECTURES}")
endif()
set(FMT_LIBRARY ${CMAKE_BINARY_DIR}/${CORE_BUILD_DIR}/lib/libfmt.a)
set(FMT_INCLUDE_DIR ${CMAKE_BINARY_DIR}/${CORE_BUILD_DIR}/include)
externalproject_add(fmt
URL ${FMT_URL}
DOWNLOAD_DIR ${CMAKE_BINARY_DIR}/${CORE_BUILD_DIR}/download
PREFIX ${CORE_BUILD_DIR}/fmt
CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${CMAKE_BINARY_DIR}/${CORE_BUILD_DIR}
-DCMAKE_CXX_EXTENSIONS=${CMAKE_CXX_EXTENSIONS}
-DCMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD}
-DCMAKE_TOOLCHAIN_FILE=${CMAKE_TOOLCHAIN_FILE}
-DCMAKE_INSTALL_LIBDIR=lib
-DFMT_DOC=OFF
-DFMT_TEST=OFF
"${EXTRA_ARGS}"
BUILD_BYPRODUCTS ${FMT_LIBRARY})
set_target_properties(fmt PROPERTIES FOLDER "External Projects")
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Fmt
REQUIRED_VARS FMT_LIBRARY FMT_INCLUDE_DIR
VERSION_VAR FMT_VERSION)
set(FMT_LIBRARIES ${FMT_LIBRARY})
set(FMT_INCLUDE_DIRS ${FMT_INCLUDE_DIR})
else()
find_package(FMT 6.1.2 CONFIG REQUIRED QUIET)
if(PKG_CONFIG_FOUND)
pkg_check_modules(PC_FMT libfmt QUIET)
if(PC_FMT_VERSION AND NOT FMT_VERSION)
set(FMT_VERSION ${PC_FMT_VERSION})
endif()
endif()
find_path(FMT_INCLUDE_DIR NAMES fmt/format.h
PATHS ${PC_FMT_INCLUDEDIR})
find_library(FMT_LIBRARY_RELEASE NAMES fmt
PATHS ${PC_FMT_LIBDIR})
find_library(FMT_LIBRARY_DEBUG NAMES fmtd
PATHS ${PC_FMT_LIBDIR})
include(SelectLibraryConfigurations)
select_library_configurations(FMT)
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Fmt
REQUIRED_VARS FMT_LIBRARY FMT_INCLUDE_DIR FMT_VERSION
VERSION_VAR FMT_VERSION)
if(FMT_FOUND)
set(FMT_LIBRARIES ${FMT_LIBRARY})
set(FMT_INCLUDE_DIRS ${FMT_INCLUDE_DIR})
if(NOT TARGET fmt)
add_library(fmt UNKNOWN IMPORTED)
set_target_properties(fmt PROPERTIES
IMPORTED_LOCATION "${FMT_LIBRARY}"
INTERFACE_INCLUDE_DIRECTORIES "${FMT_INCLUDE_DIR}")
endif()
endif()
endif()
mark_as_advanced(FMT_INCLUDE_DIR FMT_LIBRARY)