gitlab-ci: add scripts for use by CI

.gitlab/ci/configure_common.cmake

@@ -0,0 +1,3 @@
+set(CTEST_USE_LAUNCHERS "ON" CACHE STRING "")
+
+include("${CMAKE_CURRENT_LIST_DIR}/configure_sccache.cmake")

.gitlab/ci/configure_fedora31_tidy.cmake

@@ -0,0 +1,3 @@
+set(CMake_RUN_CLANG_TIDY ON CACHE BOOL "")
+
+include("${CMAKE_CURRENT_LIST_DIR}/configure_common.cmake")

.gitlab/ci/configure_sccache.cmake

@@ -0,0 +1,2 @@
+set(CMAKE_C_COMPILER_LAUNCHER "sccache" CACHE STRING "")
+set(CMAKE_CXX_COMPILER_LAUNCHER "sccache" CACHE STRING "")

.gitlab/ci/ctest_build.cmake

@@ -0,0 +1,30 @@
+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)
+
+if (CTEST_CMAKE_GENERATOR STREQUAL "Unix Makefiles")
+  include(ProcessorCount)
+  ProcessorCount(nproc)
+  set(CTEST_BUILD_FLAGS "-j${nproc}")
+endif ()
+
+ctest_build(
+  NUMBER_WARNINGS num_warnings
+  RETURN_VALUE build_result)
+ctest_submit(PARTS Build)
+
+if (build_result)
+  message(FATAL_ERROR
+    "Failed to build")
+endif ()
+
+if ("$ENV{CTEST_NO_WARNINGS_ALLOWED}" AND num_warnings GREATER 0)
+  message(FATAL_ERROR
+    "Found ${num_warnings} warnings (treating as fatal).")
+endif ()

.gitlab/ci/ctest_configure.cmake

@@ -0,0 +1,32 @@
+cmake_minimum_required(VERSION 3.8)
+
+include("${CMAKE_CURRENT_LIST_DIR}/gitlab_ci.cmake")
+
+set(cmake_args
+  -C "${CMAKE_CURRENT_LIST_DIR}/configure_$ENV{CMAKE_CONFIGURATION}.cmake")
+
+# Create an entry in CDash.
+ctest_start(Experimental TRACK "${ctest_track}")
+
+# Gather update information.
+find_package(Git)
+set(CTEST_UPDATE_VERSION_ONLY ON)
+set(CTEST_UPDATE_COMMAND "${GIT_EXECUTABLE}")
+ctest_update()
+
+# Configure the project.
+ctest_configure(
+  OPTIONS "${cmake_args}"
+  RETURN_VALUE configure_result)
+
+# Read the files from the build directory.
+ctest_read_custom_files("${CTEST_BINARY_DIRECTORY}")
+
+# We can now submit because we've configured. This is a cmb-superbuild-ism.
+ctest_submit(PARTS Update)
+ctest_submit(PARTS Configure)
+
+if (configure_result)
+  message(FATAL_ERROR
+    "Failed to configure")
+endif ()

.gitlab/ci/ctest_exclusions.cmake

@@ -0,0 +1,6 @@
+set(test_exclusions
+)
+string(REPLACE ";" "|" test_exclusions "${test_exclusions}")
+if (test_exclusions)
+  set(test_exclusions "(${test_exclusions})")
+endif ()

.gitlab/ci/ctest_test.cmake

@@ -0,0 +1,24 @@
+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)
+
+include("${CMAKE_CURRENT_LIST_DIR}/ctest_exclusions.cmake")
+ctest_test(
+  PARALLEL_LEVEL "${nproc}"
+  RETURN_VALUE test_result
+  EXCLUDE "${test_exclusions}")
+ctest_submit(PARTS Test)
+
+if (test_result)
+  message(FATAL_ERROR
+    "Failed to test")
+endif ()

.gitlab/ci/gitlab_ci.cmake

@@ -0,0 +1,46 @@
+if (NOT DEFINED "ENV{GITLAB_CI}")
+  message(FATAL_ERROR
+    "This script assumes it is being run inside of GitLab-CI")
+endif ()
+
+# Set up the source and build paths.
+set(CTEST_SOURCE_DIRECTORY "$ENV{CI_PROJECT_DIR}")
+set(CTEST_BINARY_DIRECTORY "${CTEST_SOURCE_DIRECTORY}/build")
+
+if ("$ENV{CMAKE_CONFIGURATION}" STREQUAL "")
+  message(FATAL_ERROR
+    "The CMAKE_CONFIGURATION environment variable is required to know what "
+    "cache initialization file to use.")
+endif ()
+
+# Set the build metadata.
+set(CTEST_BUILD_NAME "$ENV{CI_PROJECT_NAME}-$ENV{CMAKE_CONFIGURATION}")
+set(CTEST_SITE "gitlab-ci")
+
+# Default to Release builds.
+if (NOT "$ENV{CMAKE_BUILD_TYPE}" STREQUAL "")
+  set(CTEST_BUILD_CONFIGURATION "$ENV{CMAKE_BUILD_TYPE}")
+endif ()
+if (NOT CTEST_BUILD_CONFIGURATION)
+  set(CTEST_BUILD_CONFIGURATION "Release")
+endif ()
+
+# Default to using Ninja.
+if (NOT "$ENV{CMAKE_GENERATOR}" STREQUAL "")
+  set(CTEST_CMAKE_GENERATOR "$ENV{CMAKE_GENERATOR}")
+endif ()
+if (NOT CTEST_CMAKE_GENERATOR)
+  set(CTEST_CMAKE_GENERATOR "Ninja")
+endif ()
+
+# Determine the track to submit to.
+set(ctest_track "Experimental")
+if (NOT "$ENV{CI_MERGE_REQUEST_ID}" STREQUAL "")
+  set(ctest_track "merge-requests")
+elseif ("$ENV{CI_PROJECT_PATH}" STREQUAL "cmb/smtk")
+  if ("$ENV{CI_COMMIT_REF_NAME}" STREQUAL "master")
+    set(ctest_track "master")
+  elseif ("$ENV{CI_COMMIT_REF_NAME}" STREQUAL "release")
+    set(ctest_track "release")
+  endif ()
+endif ()