add CMake options for shared libs, tests, examples

torbjoernk · torbjoernk · commit eaa0cacd0657 · 2012-11-03T22:03:04.000+01:00
Add options to CMake to enable build of cpp-netlib as shared libraries.
New options are:
  BUILD_SHARED_LIBS (default OFF)
  BUILD_TESTS (default ON)
  BUILD_EXAMPLES (default ON)

As the current (CMakeLists-)setup of the tests and examples does not
work with a shared cpp-netlib build, those get not build then.

Specify with `cmake -D&lt;OPTION&gt;=&lt;ON|OFF&gt;`
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -7,12 +7,30 @@
 cmake_minimum_required(VERSION 2.8)
 project(CPP-NETLIB)
 
+option(BUILD_SHARED_LIBS "Build cpp-netlib as shared libraries." OFF)
+option(BUILD_TESTS "Build the unit tests." ON)
+option(BUILD_EXAMPLES "Build the examples using cpp-netlib." ON)
+
 set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR})
 find_package( ICU )
 
-set(Boost_USE_STATIC_LIBS ON)
+if(BUILD_SHARED_LIBS)
+  set(Boost_USE_STATIC_LIBS OFF)
+  # TODO/NOTE:
+  # the unit tests and examples won't compile with the current setup and
+  # shared libraries yet
+  set(BUILD_TESTS OFF)
+  set(BUILD_EXAMPLES OFF)
+else()
+  set(Boost_USE_STATIC_LIBS ON)
+endif()
 set(Boost_USE_MULTITHREADED ON)
-find_package( Boost 1.45.0 REQUIRED unit_test_framework system regex date_time thread chrono filesystem program_options )
+if(BUILD_TESTS)
+  set(Boost_COMPONENTS unit_test_framework system regex date_time thread chrono filesystem program_options )
+else()
+  set(Boost_COMPONENTS system regex date_time thread chrono filesystem program_options )
+endif()
+find_package( Boost 1.45.0 REQUIRED ${Boost_COMPONENTS} )
 find_package( OpenSSL )
 find_package( Threads )
 set(CMAKE_VERBOSE_MAKEFILE true)
@@ -51,13 +69,27 @@ if (Boost_FOUND)
       add_definitions(-D_WIN32_WINNT=0x0501)
     endif(WIN32)
     include_directories(${Boost_INCLUDE_DIRS})
-    enable_testing()
+    if(BUILD_TESTS)
+      enable_testing()
+    endif()
     add_subdirectory(libs/network/src)
-    add_subdirectory(libs/network/test)
-    if (NOT MSVC)
-      add_subdirectory(libs/mime/test)
-    endif(NOT MSVC)
-    add_subdirectory(libs/network/example)
+    if(BUILD_TESTS)
+      enable_testing()
+      add_subdirectory(libs/network/test)
+      if (NOT MSVC)
+        add_subdirectory(libs/mime/test)
+      endif(NOT MSVC)
+    endif()
+    if(BUILD_EXAMPLES)
+      add_subdirectory(libs/network/example)
+    endif()
 endif(Boost_FOUND)
 
-enable_testing()
+if(BUILD_TESTS)
+  enable_testing()
+endif()
+
+message(STATUS "Options selected:")
+message(STATUS "  BUILD_SHARED_LIBS: ${BUILD_SHARED_LIBS}\t(Build cpp-netlib as shared libraries: OFF, ON)")
+message(STATUS "  BUILD_TESTS:       ${BUILD_TESTS}\t(Build the unit tests: ON, OFF)")
+message(STATUS "  BUILD_EXAMPLES:    ${BUILD_EXAMPLES}\t(Build the examples using cpp-netlib: ON, OFF)")
