Refs #6475. Modify build policy to superbuild. (eProsima#41)

ArduPilot · Oct 3, 2019 · 9837d6c · 9837d6c
1 parent 9253488
commit 9837d6c
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Showing 2 changed files with 104 additions and 33 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -17,6 +17,14 @@
 ###############################################################################
 cmake_minimum_required(VERSION 3.5.0 FATAL_ERROR)
 
+###############################################################################
+# Build options
+###############################################################################
+option(UCDR_SUPERBUILD "Enable superbuild compilation." ON)
+option(UCDR_BUILD_TESTS "Build tests" OFF)
+option(UCDR_BUILD_EXAMPLES "Build examples" OFF)
+option(BUILD_SHARED_LIBS "Control shared/static library building." OFF)
+
 # Set CMAKE_BUILD_TYPE to Release by default.
 if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
     message(STATUS "Setting build type to 'Release' as none was specified.")
@@ -29,15 +37,36 @@ endif()
 ###############################################################################
 # Product information
 ###############################################################################
-cmake_policy(SET CMP0048 NEW)
-project(microcdr VERSION "1.1.0" LANGUAGES C)
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules)
+if(NOT UCDR_SUPERBUILD)
+    project(microcdr VERSION "1.1.0" LANGUAGES C)
+else()
+    project(ucdr_superbuild NONE)
+    include(${PROJECT_SOURCE_DIR}/cmake/SuperBuild.cmake)
+    return()
+endif()
 
 ###############################################################################
-# Build options
+# Config
 ###############################################################################
-option(UCDR_BUILD_TESTS "Build tests" OFF)
-option(UCDR_BUILD_EXAMPLES "Build examples" OFF)
-option(BUILD_SHARED_LIBS "Control shared/static library building." OFF)
+# Install path
+include(GNUInstallDirs)
+set(BIN_INSTALL_DIR     ${CMAKE_INSTALL_BINDIR}     CACHE PATH "Installation directory for binaries")
+set(INCLUDE_INSTALL_DIR ${CMAKE_INSTALL_INCLUDEDIR} CACHE PATH "Installation directory for C headers")
+set(LIB_INSTALL_DIR     ${CMAKE_INSTALL_LIBDIR}     CACHE PATH "Installation directory for libraries")
+set(DATA_INSTALL_DIR    ${CMAKE_INSTALL_DATADIR}    CACHE PATH "Installation directory for data")
+if(WIN32)
+    set(LICENSE_INSTALL_DIR . CACHE PATH "Installation directory for licenses")
+else()
+    set(LICENSE_INSTALL_DIR ${DATA_INSTALL_DIR}/${PROJECT_NAME} CACHE PATH "Installation directory for licenses")
+endif()
+
+set(CONFIG_BIG_ENDIANNESS OFF CACHE BOOL "Set the machine endianness to big endianness (default: little endianness).")
+if(CONFIG_BIG_ENDIANNESS)
+    set(CONFIG_MACHINE_ENDIANNESS UCDR_BIG_ENDIANNESS) #big
+else()
+    set(CONFIG_MACHINE_ENDIANNESS UCDR_LITTLE_ENDIANNESS) #little
+endif()
 
 ###############################################################################
 # Check MSVC architecture
@@ -101,33 +130,6 @@ target_include_directories(${PROJECT_NAME}
         $<INSTALL_INTERFACE:include>
     )
 
-###############################################################################
-# Config
-###############################################################################
-# Install path
-include(GNUInstallDirs)
-set(BIN_INSTALL_DIR     ${CMAKE_INSTALL_BINDIR}     CACHE PATH "Installation directory for binaries")
-set(INCLUDE_INSTALL_DIR ${CMAKE_INSTALL_INCLUDEDIR} CACHE PATH "Installation directory for C headers")
-set(LIB_INSTALL_DIR     ${CMAKE_INSTALL_LIBDIR}     CACHE PATH "Installation directory for libraries")
-set(DATA_INSTALL_DIR    ${CMAKE_INSTALL_DATADIR}    CACHE PATH "Installation directory for data")
-if(WIN32)
-    set(LICENSE_INSTALL_DIR . CACHE PATH "Installation directory for licenses")
-else()
-    set(LICENSE_INSTALL_DIR ${DATA_INSTALL_DIR}/${PROJECT_NAME} CACHE PATH "Installation directory for licenses")
-endif()
-
-# Config.h
-set(CONFIG_BIG_ENDIANNESS OFF CACHE BOOL "Set the machine endianness to big endianness (by default is little endianness)")
-if(CONFIG_BIG_ENDIANNESS)
-    set(CONFIG_MACHINE_ENDIANNESS UCDR_BIG_ENDIANNESS) #big
-else()
-    set(CONFIG_MACHINE_ENDIANNESS UCDR_LITTLE_ENDIANNESS) #little
-endif()
-
-configure_file(${PROJECT_SOURCE_DIR}/include/ucdr/config.h.in
-    ${PROJECT_BINARY_DIR}/include/ucdr/config.h
-    )
-
 ###############################################################################
 # Examples
 ###############################################################################
@@ -174,6 +176,11 @@ install(
         PATTERN "*.h"
     )
 
+# Generate config.h
+configure_file(${PROJECT_SOURCE_DIR}/include/ucdr/config.h.in
+    ${PROJECT_BINARY_DIR}/include/ucdr/config.h
+    )
+
 # Install config.h
 install(
     FILES

diff --git a/cmake/SuperBuild.cmake b/cmake/SuperBuild.cmake
@@ -0,0 +1,64 @@
+# Copyright 2019 Proyectos y Sistemas de Mantenimiento SL (eProsima).
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+include(ExternalProject)
+
+unset(_deps)
+
+if(UCDR_BUILD_TESTS)
+    unset(googletest_DIR CACHE)
+    enable_language(CXX)
+    find_package(GTest QUIET)
+    find_package(GMock QUIET)
+    if(NOT GTest_FOUND OR NOT GMock_FOUND)
+        unset(GTEST_ROOT CACHE)
+        unset(GMOCK_ROOT CACHE)
+        ExternalProject_Add(googletest
+            GIT_REPOSITORY
+                https://github.com/google/googletest.git
+            GIT_TAG
+                2fe3bd994b3189899d93f1d5a881e725e046fdc2
+            PREFIX
+                ${PROJECT_BINARY_DIR}/googletest
+            INSTALL_DIR
+                ${PROJECT_BINARY_DIR}/temp_install
+            CMAKE_ARGS
+                -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR>
+                -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
+                $<$<PLATFORM_ID:Windows>:-Dgtest_force_shared_crt:BOOL=ON>
+            BUILD_COMMAND
+                COMMAND ${CMAKE_COMMAND} --build <BINARY_DIR> --config Release --target install
+                COMMAND ${CMAKE_COMMAND} --build <BINARY_DIR> --config Debug --target install
+            INSTALL_COMMAND
+                ""
+            )
+        set(GTEST_ROOT ${PROJECT_BINARY_DIR}/temp_install CACHE PATH "" FORCE)
+        set(GMOCK_ROOT ${PROJECT_BINARY_DIR}/temp_install CACHE PATH "" FORCE)
+        list(APPEND _deps googletest)
+    endif()
+endif()
+
+# Client project.
+ExternalProject_Add(ucdr
+    SOURCE_DIR
+        ${PROJECT_SOURCE_DIR}
+    BINARY_DIR
+        ${CMAKE_CURRENT_BINARY_DIR}
+    CMAKE_CACHE_ARGS
+        -DUCDR_SUPERBUILD:BOOL=OFF
+    INSTALL_COMMAND
+        ""
+    DEPENDS
+        ${_deps}
+    )