CMakeLists.txt

cmake_minimum_required(VERSION 3.10.0)

set(JSON_VERSION 0.1.0)
project(json LANGUAGES C VERSION ${JSON_VERSION})

set(CMAKE_C_STANDARD 99)

option(DEBUG_MODE OFF)
option(COMPILE_TESTS ON) # for some reason the defualt doesn't work...gotta love CMake...

if (DEBUG_MODE)
  message("Compiling in debug mode...")
  set(CMAKE_C_FLAGS "-O0 -g -Wall -Wextra -Wpedantic")
else()
  message("Compiling in release mode...")
  set(CMAKE_C_FLAGS "-O2 -Wall -Wextra -Wpedantic")
endif()

add_subdirectory(src)

if (COMPILE_TESTS)
  message("Compiling tests...")
  include(CTest)
  enable_testing()

  add_subdirectory(test)

  file(COPY test/sample_file.json DESTINATION test)
  file(COPY test/complex_file.json DESTINATION test)
endif()

unset(DEBUG_MODE)
unset(COMPILE_TESTS)

# CONFIGURATION AND INSTALL TARGETS
# TO MAKE LIBRARY DISTRIBUTABLE

include(GNUInstallDirs)
include(CMakePackageConfigHelpers)

file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/jsonConfig.cmake "# empty")

write_basic_package_version_file(
  ${CMAKE_CURRENT_BINARY_DIR}/jsonConfigVersion.cmake 
  VERSION ${JSON_VERSION}
  COMPATIBILITY SameMajorVersion)

file(GLOB JSONHEADERS include/*.h)
install(TARGETS json DESTINATION ${CMAKE_INSTALL_LIBDIR})
install(FILES ${JSONHEADERS}  DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/json)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/jsonConfig.cmake DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/json)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/jsonConfigVersion.cmake DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/json)