FreeRDP/cmake/JsonDetect.cmake

52 lines
1.6 KiB
CMake

include(CMakeDependentOption)
option(WITH_JSON_DISABLED "Build without any JSON support" OFF)
CMAKE_DEPENDENT_OPTION(WITH_CJSON_REQUIRED "Build with cJSON (fail if not found)" OFF "NOT WITH_JSON_DISABLED" OFF)
CMAKE_DEPENDENT_OPTION(WITH_JSONC_REQUIRED "Build with JSON-C (fail if not found)" OFF "NOT WITH_JSON_DISABLED" OFF)
if (NOT WITH_JSON_DISABLED)
find_package(cJSON)
# Fallback detection:
# older ubuntu releases did not ship CMake or pkg-config files
# for cJSON. Be optimistic and try pkg-config and as last resort
# try manual detection
if (NOT CJSON_FOUND)
find_package(PkgConfig)
if (PKG_CONFIG_FOUND)
pkg_check_modules(CJSON libcjson)
endif()
if (NOT CJSON_FOUND)
find_path(CJSON_INCLUDE_DIRS
NAMES cjson/cJSON.h
)
find_library(CJSON_LIBRARIES
NAMES cjson
)
if (NOT "${CJSON_LIBRARIES}" STREQUAL "CJSON_LIBRARIES-NOTFOUND" AND NOT "${CJSON_INCLUDE_DIRS}" STREQUAL "CJSON_INCLUDE_DIRS-NOTFOUND")
set(CJSON_FOUND ON)
endif()
endif()
endif()
if (WITH_CJSON_REQUIRED)
if (NOT CJSON_FOUND)
message(FATAL_ERROR "cJSON was requested but not found")
endif()
endif()
if (WITH_JSONC_REQUIRED)
find_package(JSONC REQUIRED)
else()
find_package(JSONC)
endif()
if (NOT JSONC_FOUND AND NOT CJSON_FOUND)
set(WITH_WINPR_JSON OFF CACHE INTERNAL "internal")
message("compiling without JSON support. Install cJSON or json-c to enable")
endif()
else()
set(WITH_WINPR_JSON OFF CACHE INTERNAL "internal")
message("forced compile without JSON support. Set -DWITH_JSON_DISABLED=OFF to enable compile time detection")
endif()