CMAKE_MINIMUM_REQUIRED(VERSION 3.0.2)

SET(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR})

PROJECT(json-schema CXX)
SET(CMAKE_CXX_STANDARD 11)

INCLUDE(FindPkgConfig)
INCLUDE(GNUInstallDirs)

SET(PACKAGE "json-schema")
SET(PACKAGE_NAME ${PACKAGE})
SET(PACKAGE_VERSION_MAJOR "1")
SET(PACKAGE_VERSION_MINOR "3")
SET(VERSION "${PACKAGE_VERSION_MAJOR}.${PACKAGE_VERSION_MINOR}")
SET(PACKAGE_VERSION ${VERSION})
SET(JSON_SCHEMA_VERSION ${PACKAGE_VERSION})
SET(JSON_SCHEMA_VERSION_MAJOR ${PACKAGE_VERSION_MAJOR})
SET(JSON_SCHEMA_VERSION_MINOR ${PACKAGE_VERSION_MINOR})
SET(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")

SET(ARCHIVE_NAME ${PACKAGE_NAME}-${PACKAGE_VERSION})
ADD_CUSTOM_TARGET(dist
  COMMAND git config tar.tar.xz.command "xz -c"
  COMMAND git archive --prefix=${ARCHIVE_NAME}/ -o ${ARCHIVE_NAME}.tar.gz HEAD
  COMMAND git archive --prefix=${ARCHIVE_NAME}/ -o ${ARCHIVE_NAME}.tar.xz HEAD
  WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
  )
ADD_CUSTOM_TARGET(distcheck
  COMMAND chmod -R u+w ${ARCHIVE_NAME} ${ARCHIVE_NAME}-build ${ARCHIVE_NAME}-dest 2>/dev/null || true
  COMMAND rm -rf ${ARCHIVE_NAME} ${ARCHIVE_NAME}-build ${ARCHIVE_NAME}-dest
  COMMAND cmake -E tar xf ${ARCHIVE_NAME}.tar.gz
  COMMAND chmod -R u-w ${ARCHIVE_NAME}
  COMMAND mkdir ${ARCHIVE_NAME}-build
  COMMAND mkdir ${ARCHIVE_NAME}-dest
  COMMAND cd ${ARCHIVE_NAME}-build && cmake -DCMAKE_INSTALL_PREFIX=../${ARCHIVE_NAME}-dest ../${ARCHIVE_NAME}
  COMMAND cd ${ARCHIVE_NAME}-build && make -j4
  COMMAND cd ${ARCHIVE_NAME}-build && make test
  COMMAND cd ${ARCHIVE_NAME}-build && make install
  #  COMMAND cd ${ARCHIVE_NAME}-build && make uninstall
  #  COMMAND if [ `find ${ARCHIVE_NAME}-dest ! -type d | wc -l` -ne 0 ]; then echo leftover files in ${ARCHIVE_NAME}-dest; false; fi
  COMMAND cd ${ARCHIVE_NAME}-build && make clean
  COMMAND chmod -R u+w ${ARCHIVE_NAME} ${ARCHIVE_NAME}-build ${ARCHIVE_NAME}-dest
  COMMAND rm -rf ${ARCHIVE_NAME} ${ARCHIVE_NAME}-build ${ARCHIVE_NAME}-dest
  COMMAND echo "${ARCHIVE_NAME}.tar.gz is ready for distribution."
  WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
  )
ADD_DEPENDENCIES(distcheck dist)

PKG_CHECK_MODULES(JSONCPP REQUIRED jsoncpp)
PKG_CHECK_MODULES(PCRECPP REQUIRED libpcrecpp)

OPTION(BUILD_SHARED_LIBS "Build shared libraries" OFF)

# Testing
ENABLE_TESTING()

ADD_SUBDIRECTORY(json)
ADD_SUBDIRECTORY(src)
ADD_SUBDIRECTORY(test)

FUNCTION(JOIN LISTNAME OUTPUT)
  SET(_TMP_STR "")
  FOREACH(VAL ${${LISTNAME}})
    SET(_TMP_STR "${_TMP_STR} ${VAL}")
  ENDFOREACH(VAL ${${LISTNAME}})
  SET(${OUTPUT} "${_TMP_STR}" PARENT_SCOPE)
ENDFUNCTION()

# pkgconfig file
SET(prefix ${CMAKE_INSTALL_PREFIX})
SET(exec_prefix \${prefix})
SET(bindir \${exec_prefix}/${CMAKE_INSTALL_BINDIR})
SET(libdir \${exec_prefix}/${CMAKE_INSTALL_LIBDIR})
SET(includedir \${prefix}/${CMAKE_INSTALL_INCLUDEDIR})
SET(LIBS_LIST ${JSONCPP_LDFLAGS} ${PCRECPP_LDFLAGS})
JOIN(LIBS_LIST LIBS)
IF(CMAKE_SYSTEM_NAME MATCHES BSD)
  SET(PKG_CONFIG_RPATH "-Wl,-R\${libdir}")
ENDIF(CMAKE_SYSTEM_NAME MATCHES BSD)
CONFIGURE_FILE(json-schema.pc.in json-schema.pc @ONLY)
INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/json-schema.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)

# for tests
SET(srcdir ${CMAKE_CURRENT_SOURCE_DIR}/test)
SET(abs_srcdir ${CMAKE_CURRENT_SOURCE_DIR}/test)
SET(top_builddir ${CMAKE_BINARY_DIR})

CONFIGURE_FILE(test/runtest.in ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/runtest @ONLY)
FILE(COPY ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/runtest
  DESTINATION ${CMAKE_BINARY_DIR}/test
  FILE_PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
  )
