(split2) Merge branch 'cpp_master'

src/CMakeLists.txt

+if(NOT DEFINED PROJECT_NAME)
+  cmake_minimum_required(VERSION 3.7.2)
+  
+  # Project name and version
+  project(cameo VERSION 0.3.0 LANGUAGES CXX)
+endif()
+include(GNUInstallDirs)
+include(CMakePackageConfigHelpers)
+if(NOT DEFINED BUILD_SHARED_LIBS)
+  set(BUILD_SHARED_LIBS True)
+endif()
+
+# fix the RPATH for the linker
+#if(not APPLE)
+#  set(CMAKE_INSTALL_RPATH $ORIGIN)
+#endif()
+
+#------------------------------------------------------------
+# Dependencies
+#------------------------------------------------------------
+list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR})
+find_package(ZeroMQ REQUIRED) # I cannot find it
+find_package(Protobuf 3.0.0 REQUIRED)
+
+
+#------------------------------------------------------------
+# Libraries
+#------------------------------------------------------------
+
+
+#---------------
+# Files
+file(GLOB_RECURSE CAMEO_SOURCE_FILES "./cameo/*.cpp")
+file(GLOB CAMEO_PUBLIC_HEADER_FILES "./cameo/*.h")
+#message(${CAMEO_PUBLIC_HEADER_FILES})
+#message(${CAMEO_SOURCE_FILES})
+
+# this generates the Messages.pb.h and Messages.pb.cc files
+protobuf_generate_cpp(PROTO_SRCS PROTO_HDRS  ./proto/Messages.proto)
+
+add_library(cameo ${CAMEO_SOURCE_FILES} ${PROTO_SRCS})
+target_link_libraries(cameo PRIVATE zmq protobuf ${Protobuf_LIBRARIES})
+target_include_directories(cameo
+  PRIVATE ${CMAKE_CURRENT_BINARY_DIR} # this is to get protobuf messages
+  PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src/cameo/impl
+  PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/cameo>
+  PUBLIC $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
+  )
+#target_compile_features(cameo PUBLIC cxx_std_11)
+set_target_properties(cameo PROPERTIES
+  SOVERSION ${PROJECT_VERSION_MAJOR}
+  VERSION ${PROJECT_VERSION}
+  )
+
+message(${PROJECT_VERSION_MAJOR})
+message(${PROJECT_VERSION})
+#---------------
+# Library version
+write_basic_package_version_file(cameoConfigVersion.cmake
+  COMPATIBILITY SameMajorVersion
+  VERSION ${PROJECT_VERSION}
+  )
+
+
+#------------------------------------------------------------
+# Install
+#------------------------------------------------------------
+install(FILES ${CMAKE_CURRENT_BINARY_DIR}/cameoConfigVersion.cmake
+  DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake)
+
+# this is to install the headers
+install(FILES ${CAMEO_PUBLIC_HEADER_FILES}
+  DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}
+  )
+
+# in CMake 3.14 you just need #install(TARGETS cameo)
+install(TARGETS cameo
+  EXPORT cameoexport
+  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} # windows
+    COMPONENT cameo_Runtime
+  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} # dynamic
+    COMPONENT cameo_Runtime
+#    NAMELINK_COMPONENT cameo_Development #from CMake 3.12
+  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} # static
+    COMPONENT cameo_Development
+  PUBLIC_HEADER  DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+  INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+  )
+
+
+# This makes the project importable from the install directory
+# Put config file in per-project dir (name MUST match), can also
+# just go into 'cmake'.
+install(EXPORT cameoexport
+  DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake
+  FILE ${PROJECT_NAME}Config.cmake 
+  )
+# makes the project importable from the build directory
+export(TARGETS cameo FILE ${CMAKE_BINARY_DIR}/${PROJECT_NAME}Config.cmake)
+
+# the install_manifest file is created only after the installation....
+#install(FILES ${CMAKE_CURRENT_BINARY_DIR}/install_manifest.txt
+#  DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake
+#  RENAME cameo_install_manifest.txt
+#  )