Allow DLL creation using TCC (#2569)

* Fix Undefined Symbol `_ftelli64`

* Add files via upload

* Update raylib.h

* Update raylib.h

src/Makefile

@@ -456,7 +456,9 @@ LDFLAGS = $(CUSTOM_LDFLAGS) -L. -L$(RAYLIB_RELEASE_PATH)
 
 ifeq ($(PLATFORM),PLATFORM_DESKTOP)
     ifeq ($(PLATFORM_OS),WINDOWS)
-        LDFLAGS += -Wl,--out-implib,$(RAYLIB_RELEASE_PATH)/lib$(RAYLIB_LIB_NAME)dll.a
+    	ifneq ($(CC), tcc)
+	        LDFLAGS += -Wl,--out-implib,$(RAYLIB_RELEASE_PATH)/lib$(RAYLIB_LIB_NAME)dll.a
+	    endif
     endif
     ifeq ($(PLATFORM_OS),OSX)
         LDFLAGS += -compatibility_version $(RAYLIB_API_VERSION) -current_version $(RAYLIB_VERSION)
@@ -469,7 +471,7 @@ ifeq ($(PLATFORM),PLATFORM_DESKTOP)
     endif
 endif
 ifeq ($(PLATFORM),PLATFORM_RPI)
-    LDFLAGS += -Wl,-soname,lib$(RAYLIB_LIB_NAME).so.$(RAYLIB_API_VERSION) -L$(RPI_TOOLCHAIN_SYSROOT)/opt/vc/lib 
+    LDFLAGS += -Wl,-soname,lib$(RAYLIB_LIB_NAME).so.$(RAYLIB_API_VERSION) -L$(RPI_TOOLCHAIN_SYSROOT)/opt/vc/lib
 endif
 ifeq ($(PLATFORM),PLATFORM_DRM)
     LDFLAGS += -Wl,-soname,lib$(RAYLIB_LIB_NAME).so.$(RAYLIB_API_VERSION)
@@ -490,7 +492,11 @@ endif
 #------------------------------------------------------------------------------------------------
 ifeq ($(PLATFORM),PLATFORM_DESKTOP)
     ifeq ($(PLATFORM_OS),WINDOWS)
-        LDLIBS = -static-libgcc -lopengl32 -lgdi32 -lwinmm
+    	ifeq ($(CC), tcc)
+	        LDLIBS = -lopengl32 -lgdi32 -lwinmm -lshell32
+	    else
+	        LDLIBS = -static-libgcc -lopengl32 -lgdi32 -lwinmm
+	    endif
     endif
     ifeq ($(PLATFORM_OS),LINUX)
         LDLIBS = -lGL -lc -lm -lpthread -ldl -lrt

src/raylib.h

@@ -86,6 +86,9 @@
 // NOTE: Microsoft specifiers to tell compiler that symbols are imported/exported from a .dll
 #if defined(_WIN32)
     #if defined(BUILD_LIBTYPE_SHARED)
+        #if defined(__TINYC__)
+            #define __declspec(x) __attribute__((x))
+        #endif
         #define RLAPI __declspec(dllexport)     // We are building the library as a Win32 shared library (.dll)
     #elif defined(USE_LIBTYPE_SHARED)
         #define RLAPI __declspec(dllimport)     // We are using the library as a Win32 shared library (.dll)