cmake : use BUILD_SHARED_LIBS

CMakeLists.txt

@@ -14,18 +14,15 @@ endif()
 
 if (EMSCRIPTEN)
     set(GGWAVE_SUPPORT_SDL2_DEFAULT ON)
-    set(GGWAVE_LIBRARY_TYPE STATIC)
+    set(BUILD_SHARED_LIBS_DEFAULT OFF)
 else()
     set(GGWAVE_SUPPORT_SDL2_DEFAULT ON)
-    if (BUILD_SHARED_LIBS)
-        set(GGWAVE_LIBRARY_TYPE SHARED)
-    else ()
-        set(GGWAVE_LIBRARY_TYPE STATIC)
-    endif()
+    set(BUILD_SHARED_LIBS_DEFAULT ON)
 endif()
 
 # options
 
+option(BUILD_SHARED_LIBS              "ggwave: build shared libs" ${BUILD_SHARED_LIBS_DEFAULT})
 option(USE_FINDSDL2                   "ggwave: use the FindSDL2.cmake script" OFF)
 
 option(GGWAVE_ALL_WARNINGS            "ggwave: enable all compiler warnings" ON)

examples/CMakeLists.txt

@@ -37,7 +37,7 @@ add_subdirectory(third-party)
 
 # helper libraries
 
-add_library(ggwave-common ${GGWAVE_LIBRARY_TYPE}
+add_library(ggwave-common
     ggwave-common.cpp
     )
 
@@ -48,7 +48,7 @@ target_link_libraries(ggwave-common PRIVATE
 if (GGWAVE_SUPPORT_SDL2)
     # ggwave-common-sdl2
 
-    add_library(ggwave-common-sdl2 ${GGWAVE_LIBRARY_TYPE}
+    add_library(ggwave-common-sdl2
         ggwave-common-sdl2.cpp
         )
 

examples/third-party/imgui/CMakeLists.txt

@@ -12,7 +12,7 @@ else (APPLE)
     unset(ADDITIONAL_LIBRARIES)
 endif (APPLE)
 
-add_library(imgui ${GGWAVE_LIBRARY_TYPE}
+add_library(imgui
     imgui/imgui.cpp
     imgui/imgui_draw.cpp
     imgui/imgui_demo.cpp
@@ -36,7 +36,7 @@ if (GGWAVE_SUPPORT_SDL2)
         find_package(PkgConfig REQUIRED)
         pkg_search_module(SDL2 REQUIRED sdl2)
 
-        add_library(imgui-sdl2 ${GGWAVE_LIBRARY_TYPE}
+        add_library(imgui-sdl2
             imgui/examples/libs/gl3w/GL/gl3w.c
             imgui-extra/imgui_impl.cpp
             imgui-extra/imgui_impl_sdl.cpp
@@ -66,7 +66,7 @@ if (GGWAVE_SUPPORT_SDL2)
             ${ADDITIONAL_LIBRARIES}
             )
     elseif (EMSCRIPTEN)
-        add_library(imgui-sdl2 ${GGWAVE_LIBRARY_TYPE}
+        add_library(imgui-sdl2
             imgui-extra/imgui_impl.cpp
             imgui-extra/imgui_impl_sdl.cpp
             imgui-extra/imgui_impl_opengl3.cpp
@@ -83,7 +83,7 @@ if (GGWAVE_SUPPORT_SDL2)
     else()
         find_package(OpenGL REQUIRED)
 
-        add_library(imgui-sdl2 ${GGWAVE_LIBRARY_TYPE}
+        add_library(imgui-sdl2
             imgui/examples/libs/gl3w/GL/gl3w.c
             imgui-extra/imgui_impl.cpp
             imgui-extra/imgui_impl_sdl.cpp

src/CMakeLists.txt

@@ -2,7 +2,7 @@
 
 set(TARGET ggwave)
 
-add_library(${TARGET} ${GGWAVE_LIBRARY_TYPE}
+add_library(${TARGET}
     ggwave.cpp
     )
 
@@ -11,7 +11,7 @@ target_include_directories(${TARGET} PUBLIC
     ../include
     )
 
-if (GGWAVE_LIBRARY_TYPE STREQUAL "SHARED")
+if (BUILD_SHARED_LIBS)
     target_link_libraries(${TARGET} PUBLIC
         ${CMAKE_DL_LIBS}
         )