diff -rupNw source-original/DxLib.cpp source/DxLib.cpp
--- source-original/DxLib.cpp	2018-12-08 19:59:16.777579338 +0100
+++ source/DxLib.cpp	2018-12-08 02:13:39.541585079 +0100
@@ -24,7 +24,7 @@ int DxLib_Init()
 	return -1;
     }
 
-    SDL_WM_SetCaption("Syobon Action (しょぼんのアクション)",
+    SDL_WM_SetCaption("Syobon Action",
 		      NULL);
     SDL_ShowCursor(SDL_DISABLE);
 
diff -rupNw source-original/main.cpp source/main.cpp
--- source-original/main.cpp	2018-12-08 19:59:16.781579399 +0100
+++ source/main.cpp	2018-12-08 18:11:33.716589712 +0100
@@ -1,9 +1,11 @@
 #include "main.h"
+#include <unistd.h>
 
 // プログラムは WinMain から始まります
 //Changed to ansi c++ main()
 int main(int argc, char *argv[])
 {
+    chdir("file:/share/syobonaction/");
     parseArgs(argc, argv);
     if (DxLib_Init() == -1)
 	return 1;
diff -rupNw source-original/Makefile source/Makefile
--- source-original/Makefile	2018-12-08 19:59:16.777579338 +0100
+++ source/Makefile	2018-12-08 01:32:40.319685337 +0100
@@ -1,8 +1,8 @@
 SyobonAction:main.o loadg.o DxLib.o
-	gcc main.o loadg.o DxLib.o -o SyobonAction `sdl-config --libs` -lSDL_gfx -lSDL_image -lSDL_mixer -lSDL_ttf
+	${CXX} ${LDFLAGS} main.o loadg.o DxLib.o -o SyobonAction `${SDL_CONFIG} --libs` -lSDL_gfx -lSDL_image -lSDL_mixer -lpng -ljpeg -lz -lSDL -lSDL_ttf -lfreetype -lvorbisfile -lvorbis -logg
 main.o:main.cpp
-	gcc -c main.cpp
+	${CXX} ${CPPFLAGS} `${SDL_CONFIG} --cflags` -c main.cpp
 loadg.o:loadg.cpp
-	gcc -c loadg.cpp
+	${CXX} ${CPPFLAGS} `${SDL_CONFIG} --cflags` -c loadg.cpp
 DxLib.o:DxLib.cpp
-	gcc -c DxLib.cpp
+	${CXX} ${CPPFLAGS} `${SDL_CONFIG} --cflags` -c DxLib.cpp