CMake: Add libdl and demangle support

CMakeLists.txt

@@ -55,6 +55,11 @@ if (MSVC)
     find_package(Editbin REQUIRED)
 endif (MSVC)
 
+if (UNIX)
+    find_package(DL)
+    find_package(Demangle)
+endif (UNIX)
+
 find_package(SSE)
 find_package(Xaudio2)
 

cmake/FindDL.cmake

@@ -0,0 +1,20 @@
+include(CheckCXXSourceCompiles)
+set(CMAKE_REQUIRED_LIBRARIES "dl")
+
+check_cxx_source_compiles("
+    #include <dlfcn.h>
+    int main() {
+        Dl_info info;
+        return dladdr(0, &info);
+    }"
+    DL_FOUND
+)
+
+if (DL_FOUND)
+    add_compile_options(
+        -DWITH_DL
+    )
+    link_libraries(dl)
+endif (DL_FOUND)
+
+set(CMAKE_REQUIRED_LIBRARIES "")

cmake/FindDemangle.cmake

@@ -0,0 +1,18 @@
+include(CheckCXXSourceCompiles)
+set(CMAKE_REQUIRED_FLAGS "")
+
+check_cxx_source_compiles("
+    #include <cxxabi.h>
+    int main() {
+        int status = -1;
+        char *demangled = abi::__cxa_demangle(\"test\", 0, 0, &status);
+        return 0;
+    }"
+    DEMANGLE_FOUND
+)
+
+if (DEMANGLE_FOUND)
+    add_compile_options(
+        -DWITH_DEMANGLE
+    )
+endif (DEMANGLE_FOUND)