minetest/cmake/Modules/FindJson.cmake
ShadowNinja 93fcab952b Clean up and tweak build system
* Combine client and server man pages.
  * Update unit test options and available databases in man page.
  * Add `--worldname` to man page.
  * Fix a bunch of places where `"Minetest"` was used directly instead of `PROJECT_NAME`.
  * Disable server build by default on all operating systems.
  * Make `ENABLE_FREETYPE` not fail if FreeType isn't found.
  * Enable LevelDB, Redis, and FreeType detection by default.
  * Remove the `VERSION_PATCH_ORIG` hack.
  * Add option to search for and use system JSONCPP.
  * Remove broken LuaJIT version detection.
  * Rename `DISABLE_LUAJIT` to `ENABLE_LUAJIT`.
  * Rename `minetest_*` variables in `version.{h,cpp}` to `g_*`.
  * Clean up style of CMake files.
2015-03-27 15:00:48 -04:00

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922 B
CMake

# Look for JSONCPP if asked to.
# We use a bundled version by default because some distros ship versions of
# JSONCPP that cause segfaults and other memory errors when we link with them.
# See https://github.com/minetest/minetest/issues/1793
mark_as_advanced(JSON_LIBRARY JSON_INCLUDE_DIR)
option(ENABLE_SYSTEM_JSONCPP "Enable using a system-wide JSONCPP. May cause segfaults and other memory errors!" FALSE)
if(ENABLE_SYSTEM_JSONCPP)
find_library(JSON_LIBRARY NAMES jsoncpp)
find_path(JSON_INCLUDE_DIR json/features.h)
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(JSONCPP DEFAULT_MSG JSON_LIBRARY JSON_INCLUDE_DIR)
if(JSONCPP_FOUND)
message(STATUS "Using system JSONCPP library.")
endif()
endif()
if(NOT JSONCPP_FOUND)
message(STATUS "Using bundled JSONCPP library.")
set(JSON_INCLUDE_DIR ${PROJECT_SOURCE_DIR}/json)
set(JSON_LIBRARY jsoncpp)
add_subdirectory(json)
endif()