Implement macro for library version info #172 #45

CMakeLists.txt

@@ -5,7 +5,7 @@ project(lunasvg VERSION 2.4.0 LANGUAGES CXX C)
 set(CMAKE_CXX_STANDARD 11)
 set(CMAKE_C_STANDARD 11)
 
-option(BUILD_SHARED_LIBS "Build as a shared library" OFF)
+option(BUILD_SHARED_LIBS "Build as a shared library" ON)
 option(LUNASVG_BUILD_EXAMPLES "Build example(s)" OFF)
 
 add_library(lunasvg)
@@ -14,9 +14,9 @@ add_subdirectory(include)
 add_subdirectory(source)
 add_subdirectory(3rdparty/plutovg)
 
-if(BUILD_SHARED_LIBS)
-    target_compile_definitions(lunasvg PUBLIC LUNASVG_SHARED)
-    target_compile_definitions(lunasvg PRIVATE LUNASVG_EXPORT)
+target_compile_definitions(lunasvg PRIVATE LUNASVG_BUILD)
+if(NOT BUILD_SHARED_LIBS)
+    target_compile_definitions(lunasvg PRIVATE LUNASVG_BUILD_STATIC)
 endif()
 
 if(LUNASVG_BUILD_EXAMPLES)

include/lunasvg.h

@@ -28,16 +28,34 @@
 #include <string>
 #include <map>
 
-#if defined(_MSC_VER) && defined(LUNASVG_SHARED)
-#ifdef LUNASVG_EXPORT
-#define LUNASVG_API __declspec(dllexport)
+#if !defined(LUNASVG_BUILD_STATIC) && (defined(_WIN32) || defined(__CYGWIN__))
+#define LUNASVG_EXPORT __declspec(dllexport)
+#define LUNASVG_IMPORT __declspec(dllimport)
+#elif defined(__GNUC__) && (__GNUC__ >= 4)
+#define LUNASVG_EXPORT __attribute__((__visibility__("default")))
+#define LUNASVG_IMPORT
 #else
-#define LUNASVG_API __declspec(dllimport)
+#define LUNASVG_EXPORT
+#define LUNASVG_IMPORT
 #endif
+
+#ifdef LUNASVG_BUILD
+#define LUNASVG_API LUNASVG_EXPORT
 #else
-#define LUNASVG_API
+#define LUNASVG_API LUNASVG_IMPORT
 #endif
 
+#define LUNASVG_VERSION_MAJOR 2
+#define LUNASVG_VERSION_MINOR 4
+#define LUNASVG_VERSION_MICRO 0
+
+#define LUNASVG_VERSION_ENCODE(major, minor, micro) (((major) * 10000) + ((minor) * 100) + ((micro) * 1))
+#define LUNASVG_VERSION LUNASVG_VERSION_ENCODE(LUNASVG_VERSION_MAJOR, LUNASVG_VERSION_MINOR, LUNASVG_VERSION_MICRO)
+
+#define LUNASVG_VERSION_XSTRINGIZE(major, minor, micro) #major"."#minor"."#micro
+#define LUNASVG_VERSION_STRINGIZE(major, minor, micro) LUNASVG_VERSION_XSTRINGIZE(major, minor, micro)
+#define LUNASVG_VERSION_STRING LUNASVG_VERSION_STRINGIZE(LUNASVG_VERSION_MAJOR, LUNASVG_VERSION_MINOR, LUNASVG_VERSION_MICRO)
+
 namespace lunasvg {
 
 class Rect;