Makefile

@@ -21,7 +21,7 @@ INC_FLAGS := $(addprefix -I,$(INC_DIRS))
 
 CPPFLAGS_ := $(INC_FLAGS) -MMD -MP
 
-CFLAGS_ = -O2 -g3 -fPIC
+CFLAGS_ = -O2 --shared -g3 -fPIC -Wall -Wextra -Wno-unused-parameter -Werror
 
 ifdef MINGW
 CFLAGS_ += -msse2
@@ -30,9 +30,9 @@ endif
 CXXFLAGS_ = -std=c++14 $(CFLAGS_)
 
 ifdef MINGW
-LDFLAGS_ = --shared -lopengl32 -lgdi32 -Wl,--subsystem,windows
+LDFLAGS_ = -lopengl32 -lgdi32 --shared -Wl,--subsystem,windows
 else
-LDFLAGS_ = --shared -ldl
+LDFLAGS_ = -lX11 -ldl --shared
 endif
 
 all: builder Build/$(TARGET_EXEC)

Source/Native/OpenGL/gl_load/gl_load.c

@@ -87,7 +87,6 @@ static void *WinGetProcAddress(const char *name)
 		#define IntGetProcAddress(name) AppleGLGetProcAddress(name)
 	#else
 		#if defined(__sgi) || defined(__sun) || defined(__unix__)
-			void* GL_GetProcAddress(const char* proc);
 			#define IntGetProcAddress(name) GL_GetProcAddress((const char*)name)
 			//#define IntGetProcAddress(name) PosixGetProcAddress((const GLubyte*)name)
 /* END OF MANUAL CHANGES, DO NOT REMOVE! */

Source/Native/OpenGL/gl_load/gl_load.h

@@ -4216,6 +4216,8 @@ int ogl_GetMinorVersion(void);
 int ogl_GetMajorVersion(void);
 int ogl_IsVersionGEQ(int majorVersion, int minorVersion);
 
+void* GL_GetProcAddress(const char* proc);
+
 #ifdef __cplusplus
 }
 #endif /*__cplusplus*/