Ticket #9118: configure_cygwin.diff

configure

@@ -269 +269 @@
 #
 get_system_exe_extension() {
         case $1 in
-        mingw* | *os2-emx | wince)
+        mingw* | cygwin* | *os2-emx | wince)
                 _exeext=".exe"
                 ;;
         arm-riscos)
@@ -1148 +1148 @@
                 OBJS="$OBJS scummvmico.o"
                 ;;
         cygwin*)
-                echo ERROR: Cygwin building is not supported by ScummVM anymore. Consider using MinGW.
-                exit 0
+                echo WARNING: Cygwin building is not officially supported by ScummVM anymore. Consider using MinGW.
+                CC="gcc -mno-cygwin"
+                CXX="g++ -mno-cygwin"
+                DEFINES="$DEFINES -DWIN32 -D__USE_MINGW_ANSI_STDIO=0"
+                LIBS="$LIBS -lmingw32 -lwinmm"
+                OBJS="$OBJS scummvmico.o"
+                CXXFLAGS="$CXXFLAGS -mno-cygwin -I/usr/local/include"
+                LDFLAGS="$LDFLAGS -mno-cygwin -L/usr/local/lib"
                 ;;
         os2-emx*)
                 DEFINES="$DEFINES -DUNIX"
@@ -1331 +1337 @@
                         _ranlib=m68k-atari-mint-ranlib
                         _ar="m68k-atari-mint-ar cru"
                         ;;
-                *mingw32*)
+                *mingw32* | *cygwin*)
                         echo "Cross-compiling to $_host, forcing endianness, alignment and type sizes"
                         _endian=little
                         type_1_byte='char'
@@ -1574 +1580 @@
 LIBS            += -ldl
 '
                 ;;
-        *mingw32*)
+        *mingw32* | *cygwin*)
 _def_plugin='
 #define PLUGIN_PREFIX   ""
 #define PLUGIN_SUFFIX   ".dll"
@@ -1884 +1890 @@
 if test "$_fluidsynth" = yes ; then
         _def_fluidsynth='#define USE_FLUIDSYNTH'
         case $_host_os in
-                mingw*)
+                mingw* | cygwin*)
                         LIBS="$LIBS $FLUIDSYNTH_LIBS -lfluidsynth -ldsound -lwinmm"
                 ;;
                 *)
@@ -1926 +1932 @@
                                 os2-emx*)
                                         NASMFLAGS="-f aout"
                                 ;;
-                                mingw*)
+                                mingw* | cygwin*)
                                         NASMFLAGS="-f win32"
                                 ;;
                                 darwin*)
@@ -2071 +2077 @@
         case $_host_os in
         # newlib-based system include files suppress non-C89 function 
         # declarations under __STRICT_ANSI__
-        mingw* | dreamcast | wii | gamecube | psp | wince | amigaos*)
+        mingw* | cygwin* | dreamcast | wii | gamecube | psp | wince | amigaos*)
                 CXXFLAGS="$CXXFLAGS -W -Wno-unused-parameter"
                 ;;
         *)