.gitlab/ci/ctest_build.cmake

cmake_minimum_required(VERSION 3.8)

include("${CMAKE_CURRENT_LIST_DIR}/gitlab_ci.cmake")

# Read the files from the build directory.
ctest_read_custom_files("${CTEST_BINARY_DIRECTORY}")

# Pick up from where the configure left off.
ctest_start(APPEND)

include(ProcessorCount)
ProcessorCount(nproc)
if (NOT "$ENV{CTEST_MAX_PARALLELISM}" STREQUAL "")
  if (nproc GREATER "$ENV{CTEST_MAX_PARALLELISM}")
    set(nproc "$ENV{CTEST_MAX_PARALLELISM}")
  endif ()
endif ()

if (CTEST_CMAKE_GENERATOR STREQUAL "Unix Makefiles")
  set(CTEST_BUILD_FLAGS "-j${nproc} -l${nproc}")
elseif (CTEST_CMAKE_GENERATOR MATCHES "Ninja")
  set(CTEST_BUILD_FLAGS "-l${nproc}")
endif ()

ctest_build(
  NUMBER_WARNINGS num_warnings
  RETURN_VALUE build_result)
ctest_submit(PARTS Build)

if (build_result)
  message(FATAL_ERROR
    "Failed to build")
endif ()

if ("$ENV{CTEST_NO_WARNINGS_ALLOWED}" AND num_warnings GREATER 0)
  message(FATAL_ERROR
    "Found ${num_warnings} warnings (treating as fatal).")
endif ()

if (NOT "$ENV{CMAKE_CI_NO_INSTALL}")
  ctest_build(APPEND
    TARGET install
    RETURN_VALUE install_result)

  if (install_result)
    message(FATAL_ERROR
      "Failed to install")
  endif ()
endif ()