Merge pull request #763 from t-b/backport/allow-turning-shared-library-building-off

Allow turning shared library building off

Author: t-b

.travis.yml

@@ -4,11 +4,12 @@ language: cpp
 
 env:
   matrix:
-    - OS_TYPE=debian10 CMAKE_BUILD_TYPE=Release SONAR_SCANNER=OFF COVERALLS=OFF STOCK_CPPZMQ=ON
-    - OS_TYPE=debian10 CMAKE_BUILD_TYPE=Debug   SONAR_SCANNER=OFF COVERALLS=OFF STOCK_CPPZMQ=ON
-    - OS_TYPE=debian9  CMAKE_BUILD_TYPE=Debug   SONAR_SCANNER=OFF COVERALLS=OFF STOCK_CPPZMQ=ON
-    - OS_TYPE=debian8  CMAKE_BUILD_TYPE=Debug   SONAR_SCANNER=ON  COVERALLS=ON  STOCK_CPPZMQ=OFF
-    - OS_TYPE=debian7  CMAKE_BUILD_TYPE=Debug   SONAR_SCANNER=OFF COVERALLS=OFF STOCK_CPPZMQ=ON
+    - OS_TYPE=debian10 CMAKE_BUILD_TYPE=Release SONAR_SCANNER=OFF COVERALLS=OFF STOCK_CPPZMQ=ON BUILD_SHARED_LIBS=ON RUN_TESTS=ON
+    - OS_TYPE=debian10 CMAKE_BUILD_TYPE=Debug   SONAR_SCANNER=OFF COVERALLS=OFF STOCK_CPPZMQ=ON BUILD_SHARED_LIBS=ON RUN_TESTS=ON
+    - OS_TYPE=debian10 CMAKE_BUILD_TYPE=Debug   SONAR_SCANNER=OFF COVERALLS=OFF STOCK_CPPZMQ=ON BUILD_SHARED_LIBS=OFF RUN_TESTS=OFF
+    - OS_TYPE=debian9  CMAKE_BUILD_TYPE=Debug   SONAR_SCANNER=OFF COVERALLS=OFF STOCK_CPPZMQ=ON BUILD_SHARED_LIBS=ON RUN_TESTS=ON
+    - OS_TYPE=debian8  CMAKE_BUILD_TYPE=Debug   SONAR_SCANNER=ON  COVERALLS=ON  STOCK_CPPZMQ=OFF BUILD_SHARED_LIBS=ON RUN_TESTS=ON
+    - OS_TYPE=debian7  CMAKE_BUILD_TYPE=Debug   SONAR_SCANNER=OFF COVERALLS=OFF STOCK_CPPZMQ=ON BUILD_SHARED_LIBS=ON RUN_TESTS=ON
 
 notifications:
   email: false

.travis/run.sh

@@ -7,6 +7,7 @@ echo "CMAKE_BUILD_TYPE=$CMAKE_BUILD_TYPE"
 echo "OS_TYPE=$OS_TYPE"
 echo "TANGO_HOST=$TANGO_HOST"
 echo "COVERALLS=$COVERALLS"
+echo "BUILD_SHARED_LIBS=$BUILD_SHARED_LIBS"
 echo "############################"
 
 docker exec cpp_tango mkdir -p /home/tango/src/build
@@ -15,11 +16,13 @@ docker exec cpp_tango mkdir -p /home/tango/src/build
 MAKEFLAGS=${MAKEFLAGS:- -j 2}
 COVERALLS=${COVERALLS:-OFF}
 USE_PCH=${USE_PCH:-OFF}
+BUILD_SHARED_LIBS=${BUILD_SHARED_LIBS:-ON}
 COVERALLS_MODULE_PATH=/home/tango/coveralls-cmake/cmake
 
 docker exec cpp_tango cmake                                \
   -H/home/tango/src                                        \
   -B/home/tango/src/build                                  \
+  -DBUILD_SHARED_LIBS=${BUILD_SHARED_LIBS}                 \
   -DCMAKE_VERBOSE_MAKEFILE=ON                              \
   -DCPPZMQ_BASE=/home/tango                                \
   -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}                   \

.travis/test.sh

@@ -1,5 +1,11 @@
 #!/usr/bin/env bash
 
+if [ $RUN_TESTS = "OFF" ]
+then
+  echo "Skipping tests as requested"
+  exit 0
+fi
+
 TEST_COMMAND="exec ctest --output-on-failure"
 if [ $COVERALLS = "ON" ]
 then
@@ -25,4 +31,4 @@ docker exec cpp_tango /bin/sh -c 'cd /home/tango/src/build/cpp_test_suite/enviro
 if [ $? -ne "0" ]
 then
     exit -1
-fi
+fi

CMakeLists.txt

@@ -1,4 +1,7 @@
 cmake_minimum_required(VERSION 2.8.12)
+
+project(cppTango)
+
 include(CTest)
 
 #need to define the version of the library
@@ -33,7 +36,12 @@ add_subdirectory("log4tango")
 add_subdirectory("cppapi")
 
 if(BUILD_TESTING)
+  if(BUILD_SHARED_LIBS)
     add_subdirectory("cpp_test_suite")
+  else()
+    message(WARNING "Not building the tests, because that is currently supported only when BUILD_SHARED_LIBS is ON")
+    SET(BUILD_TESTING OFF)
+  endif()
 endif()
 
 if(WIN32)

INSTALL.md

@@ -28,6 +28,7 @@
 - `-DCMAKE_VERBOSE_MAKEFILE=true`
 - `-DTANGO_USE_USING_NAMESPACE=<ON|OFF>` choose `OFF` for modern builds
 - `-DBUILD_TESTING=<ON|OFF>` Build the test suite (`ON` by default)
+- `-DBUILD_SHARED_LIBS=<ON|OFF>` Build tango as shared library (`ON` by default)
 
 Typical output:
 

configure/CMakeLists.txt

@@ -214,3 +214,4 @@ include(GNUInstallDirs)
 include(configure/coveralls.cmake)
 
 option(TANGO_JPEG_MMX "Build MMX support" ON)
+option(BUILD_SHARED_LIBS "Build a shared library instead of static" ON)

configure/cmake_linux.cmake

@@ -1,35 +1,25 @@
 project(libtango)
 
-add_library(tango SHARED    $<TARGET_OBJECTS:log4tango_objects>
-                            $<TARGET_OBJECTS:client_objects>
-                            $<TARGET_OBJECTS:idl_objects>
-                            $<TARGET_OBJECTS:jpeg_objects>
-                            $<TARGET_OBJECTS:jpeg_mmx_objects>
-                            $<TARGET_OBJECTS:server_objects>)
+add_library(tango $<TARGET_OBJECTS:log4tango_objects>
+                  $<TARGET_OBJECTS:client_objects>
+                  $<TARGET_OBJECTS:idl_objects>
+                  $<TARGET_OBJECTS:jpeg_objects>
+                  $<TARGET_OBJECTS:jpeg_mmx_objects>
+                  $<TARGET_OBJECTS:server_objects>)
 target_link_libraries(tango PUBLIC ${ZMQ_PKG_LIBRARIES} ${OMNIORB_PKG_LIBRARIES} ${OMNICOS_PKG_LIBRARIES} ${OMNIDYN_PKG_LIBRARIES} ${CMAKE_DL_LIBS})
-target_compile_options(tango PRIVATE -fPIC)
 target_include_directories(tango PUBLIC ${ZMQ_PKG_INCLUDE_DIRS} ${OMNIORB_PKG_INCLUDE_DIRS} ${OMNIDYN_PKG_INCLUDE_DIRS})
-
 target_compile_options(tango PUBLIC ${ZMQ_PKG_CFLAGS_OTHER} ${OMNIORB_PKG_CFLAGS_OTHER} ${OMNICOS_PKG_CFLAGS_OTHER} ${OMNIDYN_PKG_CFLAGS_OTHER})
-target_compile_definitions(tango PUBLIC _REENTRANT)
-
-set_target_properties(tango PROPERTIES
-                      VERSION ${LIBRARY_VERSION}
-                      SOVERSION ${SO_VERSION})
-
-add_library(tango-static STATIC $<TARGET_OBJECTS:log4tango_objects>
-                                $<TARGET_OBJECTS:client_objects>
-                                $<TARGET_OBJECTS:idl_objects>
-                                $<TARGET_OBJECTS:jpeg_objects>
-                                $<TARGET_OBJECTS:jpeg_mmx_objects>
-                                $<TARGET_OBJECTS:server_objects>)
-target_link_libraries(tango-static PUBLIC ${ZMQ_PKG_LIBRARIES} ${OMNIORB_PKG_LIBRARIES} ${OMNICOS_PKG_LIBRARIES} ${OMNIDYN_PKG_LIBRARIES} ${CMAKE_DL_LIBS})
-target_include_directories(tango-static PUBLIC ${ZMQ_PKG_INCLUDE_DIRS} ${OMNIORB_PKG_INCLUDE_DIRS} ${OMNIDYN_PKG_INCLUDE_DIRS})
-target_compile_options(tango-static PUBLIC ${ZMQ_PKG_CFLAGS_OTHER} ${OMNIORB_PKG_CFLAGS_OTHER} ${OMNICOS_PKG_CFLAGS_OTHER} ${OMNIDYN_PKG_CFLAGS_OTHER})
-set_target_properties(tango-static PROPERTIES OUTPUT_NAME tango)
 
-install(TARGETS tango LIBRARY DESTINATION "${CMAKE_INSTALL_FULL_LIBDIR}")
-install(TARGETS tango-static ARCHIVE DESTINATION "${CMAKE_INSTALL_FULL_LIBDIR}")
+if(BUILD_SHARED_LIBS)
+  target_compile_options(tango PRIVATE -fPIC)
+  target_compile_definitions(tango PUBLIC _REENTRANT)
+  set_target_properties(tango PROPERTIES
+                        VERSION ${LIBRARY_VERSION}
+                        SOVERSION ${SO_VERSION})
+  install(TARGETS tango LIBRARY DESTINATION "${CMAKE_INSTALL_FULL_LIBDIR}")
+else()
+  install(TARGETS tango ARCHIVE DESTINATION "${CMAKE_INSTALL_FULL_LIBDIR}")
+endif()
 
 configure_file(tango.pc.cmake tango.pc @ONLY)
 install(FILES "${CMAKE_CURRENT_BINARY_DIR}/tango.pc"
@@ -53,6 +43,6 @@ if(CURL)
             COMMAND ${CURL} -v -T ${CPACK_PACKAGE_FILE_NAME}.deb -u$ENV{BINTRAY_USER_NAME}:$ENV{BINTRAY_API_KEY} \"https://api.bintray.com/content/tango-controls/debian/cppTango/${LIBRARY_VERSION}/pool/main/libt/${LINUX_FLAVOUR}/${CPACK_PACKAGE_FILE_NAME}.deb\;deb_distribution=${LINUX_FLAVOUR}\;deb_component=main\;deb_architecture=${CPACK_DEBIAN_PACKAGE_ARCHITECTURE}\;publish=1\;override=1\"
             WORKING_DIRECTORY ${PROJECT_BINARY_DIR}
             DEPENDS ${PROJECT_BINARY_DIR}/${CPACK_PACKAGE_FILE_NAME}.deb)
-elseif(CURL)
+else(CURL)
     message(WARNING "curl was not found deploy won't be possible")
 endif(CURL)