fixed MinGW support

cmake/i686-w64-mingw32.toolchain

@@ -0,0 +1,11 @@
+set(CMAKE_SYSTEM_NAME Windows)
+
+set(CMAKE_C_COMPILER /usr/bin/i686-w64-mingw32-gcc)
+set(CMAKE_CXX_COMPILER /usr/bin/i686-w64-mingw32-g++)
+
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
+
+set(MINGDIR /usr/i686-w64-mingw32)

cmake/include.cmake

@@ -1,3 +1,5 @@
+if (NOT LIBSUPERDERPY_CONFIG_INCLUDED)
+
 add_definitions(-D_XOPEN_SOURCE=600)
 
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -std=c11")
@@ -10,31 +12,42 @@ endif(APPLE)
 
 set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/libsuperderpy/cmake ${PROJECT_SOURCE_DIR}/cmake)
 
-include_directories("." "libsuperderpy/src")
+include_directories("libsuperderpy/src")
 
 if(MINGW)
     # Guess MINGDIR from the value of CMAKE_C_COMPILER if it's not set.
-    if("$ENV{MINGDIR}" STREQUAL "")
+    if(NOT MINGDIR)
-	string(REGEX REPLACE "/bin/[^/]*$" "" MINGDIR "${CMAKE_C_COMPILER}")
+	if("$ENV{MINGDIR}" STREQUAL "")
-	message(STATUS "Guessed MinGW directory: ${MINGDIR}")
+	    string(REGEX REPLACE "/bin/[^/]*$" "" MINGDIR "${CMAKE_C_COMPILER}")
-    else("$ENV{MINGDIR}" STREQUAL "")
+	    message(STATUS "Guessed MinGW directory: ${MINGDIR}")
-	file(TO_CMAKE_PATH "$ENV{MINGDIR}" MINGDIR)
+	else("$ENV{MINGDIR}" STREQUAL "")
-	message(STATUS "Using MINGDIR: ${MINGDIR}")
+	    file(TO_CMAKE_PATH "$ENV{MINGDIR}" MINGDIR)
-    endif("$ENV{MINGDIR}" STREQUAL "")
+	    message(STATUS "Using MINGDIR: ${MINGDIR}")
+	endif("$ENV{MINGDIR}" STREQUAL "")
+    endif(NOT MINGDIR)
 
     # Search in MINGDIR for headers and libraries.
     set(CMAKE_PREFIX_PATH "${MINGDIR}")
 
-    set(CMAKE_C_FLAGS  "${CMAKE_C_FLAGS} -mwindows")
-
 endif(MINGW)
 
 set(CMAKE_INSTALL_RPATH "\$ORIGIN/../lib/${LIBSUPERDERPY_GAMENAME}:\$ORIGIN/gamestates:\$ORIGIN:\$ORIGIN/../lib:\$ORIGIN/lib:\$ORIGIN/bin")
 
+find_package(Allegro5 REQUIRED)
+find_package(Allegro5Font REQUIRED)
+find_package(Allegro5TTF REQUIRED)
+find_package(Allegro5Primitives REQUIRED)
+find_package(Allegro5Audio REQUIRED)
+find_package(Allegro5ACodec REQUIRED)
+find_package(Allegro5Image REQUIRED)
+find_package(Allegro5Color REQUIRED)
+if(APPLE)
+    find_package(Allegro5Main)
+endif(APPLE)
 
 MACRO(register_gamestate name)
 
-    add_library("libsuperderpy-${LIBSUPERDERPY_GAMENAME}-${name}" SHARED "${name}.c")
+    add_library("libsuperderpy-${LIBSUPERDERPY_GAMENAME}-${name}" MODULE "${name}.c")
 
     set_target_properties("libsuperderpy-${LIBSUPERDERPY_GAMENAME}-${name}" PROPERTIES PREFIX "")
 
@@ -50,8 +63,12 @@ ENDMACRO()
 
 MACRO(libsuperderpy_copy EXECUTABLE)
 
-    add_custom_command(TARGET "${EXECUTABLE}" PRE_BUILD COMMAND ${CMAKE_COMMAND} -E copy_if_different "../libsuperderpy/src/libsuperderpy.so" $<TARGET_FILE_DIR:${EXECUTABLE}>)
+    add_custom_command(TARGET "${EXECUTABLE}" PRE_BUILD COMMAND ${CMAKE_COMMAND} -E copy_if_different "../libsuperderpy/src/libsuperderpy${CMAKE_SHARED_LIBRARY_SUFFIX}" $<TARGET_FILE_DIR:${EXECUTABLE}>)
 
 ENDMACRO()
 
 include(InstallRequiredSystemLibraries)
+
+set(LIBSUPERDERPY_CONFIG_INCLUDED 1)
+
+endif (NOT LIBSUPERDERPY_CONFIG_INCLUDED)

cmake/x86_64-w64-mingw32.toolchain

@@ -0,0 +1,11 @@
+set(CMAKE_SYSTEM_NAME Windows)
+
+set(CMAKE_C_COMPILER /usr/bin/x86_64-w64-mingw32-gcc)
+set(CMAKE_CXX_COMPILER /usr/bin/x86_64-w64-mingw32-g++)
+
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
+
+set(MINGDIR /usr/x86_64-w64-mingw32)

src/CMakeLists.txt

@@ -10,25 +10,12 @@ add_definitions(-DLIBSUPERDERPY_GAMENAME_PRETTY="${LIBSUPERDERPY_GAMENAME_PRETTY
 add_definitions(-DLIBSUPERDERPY_GAMENAME="${LIBSUPERDERPY_GAMENAME}")
 add_definitions(-DLIBSUPERDERPY_INITIAL_GAMESTATE="${LIBSUPERDERPY_INITIAL_GAMESTATE}")
 
-find_package(Allegro5 REQUIRED)
-find_package(Allegro5Font REQUIRED)
-find_package(Allegro5TTF REQUIRED)
-find_package(Allegro5Primitives REQUIRED)
-find_package(Allegro5Audio REQUIRED)
-find_package(Allegro5ACodec REQUIRED)
-find_package(Allegro5Image REQUIRED)
-find_package(Allegro5Color REQUIRED)
-if(APPLE)
-    find_package(Allegro5Main)
-endif(APPLE)
-
-
 add_library("libsuperderpy" SHARED ${SRC_LIST})
 
 SET_TARGET_PROPERTIES("libsuperderpy" PROPERTIES PREFIX "")
 
 include_directories(${ALLEGRO5_INCLUDE_DIR} ${ALLEGRO5_FONT_INCLUDE_DIR} ${ALLEGRO5_TTF_INCLUDE_DIR} ${ALLEGRO5_PRIMITIVES_INCLUDE_DIR} ${ALLEGRO5_AUDIO_INCLUDE_DIR} ${ALLEGRO5_ACODEC_INCLUDE_DIR} ${ALLEGRO5_IMAGE_INCLUDE_DIR})
 
-target_link_libraries("libsuperderpy" ${ALLEGRO5_LIBRARIES} ${ALLEGRO5_FONT_LIBRARIES} ${ALLEGRO5_TTF_LIBRARIES} ${ALLEGRO5_PRIMITIVES_LIBRARIES} ${ALLEGRO5_AUDIO_LIBRARIES} ${ALLEGRO5_ACODEC_LIBRARIES} ${ALLEGRO5_IMAGE_LIBRARIES} ${ALLEGRO5_MAIN_LIBRARIES} m dl)
+target_link_libraries("libsuperderpy" ${ALLEGRO5_LIBRARIES} ${ALLEGRO5_FONT_LIBRARIES} ${ALLEGRO5_TTF_LIBRARIES} ${ALLEGRO5_PRIMITIVES_LIBRARIES} ${ALLEGRO5_AUDIO_LIBRARIES} ${ALLEGRO5_ACODEC_LIBRARIES} ${ALLEGRO5_IMAGE_LIBRARIES} m dl)
 
 install(TARGETS "libsuperderpy" DESTINATION ${LIB_INSTALL_DIR})

src/libsuperderpy.c

@@ -28,6 +28,7 @@
 #include <locale.h>
 #include <signal.h>
 #include <dlfcn.h>
+#include <unistd.h>
 #include <allegro5/allegro_primitives.h>
 #include <allegro5/allegro_acodec.h>
 #include <allegro5/allegro_ttf.h>
@@ -39,8 +40,6 @@
 #include "config.h"
 #include "libsuperderpy.h"
 
-extern int main(int, char**);
-
 void DrawGamestates(struct Game *game) {
 	al_set_target_backbuffer(game->display);
 	al_clear_to_color(al_map_rgb(0,0,0));
@@ -96,7 +95,7 @@ void ResumeGamestates(struct Game *game) {
 
 
 void derp(int sig) {
-	int __attribute__((unused)) n = write(STDERR_FILENO, "Segmentation fault\nI just don't know what went wrong!\n", 54);
+	ssize_t __attribute__((unused)) n = write(STDERR_FILENO, "Segmentation fault\nI just don't know what went wrong!\n", 54);
 	abort();
 }
 
@@ -528,11 +527,7 @@ int libsuperderpy(int argc, char **argv){
 	al_shutdown_ttf_addon();
 	al_shutdown_font_addon();
 	if (game.restart) {
-#ifdef ALLEGRO_MACOSX
+		return execv(argv[0], argv); // FIXME: on OSX there's chdir called which might break it
-		return _al_mangled_main(argc, argv);
-#else
-		return main(argc, argv);
-#endif
 	}
 	return 0;
 }

src/utils.h

@@ -28,7 +28,7 @@
 
 #ifdef ALLEGRO_WINDOWS
 #define LIBRARY_EXTENSION ".dll"
-#elseif ALLEGRO_MACOSX
+#elif ALLEGRO_MACOSX
 #define LIBRARY_EXTENTION ".dylib"
 #else
 #define LIBRARY_EXTENSION ".so"