fix MinGW

.github/workflows/hxdos.yml

@@ -77,6 +77,10 @@ jobs:
           cp build-scripts/mingw/bin/msys.bat mingw-get/msys/1.0
           cp build-scripts/mingw/bin/runbuild.sh mingw-get/msys/1.0
           cp build-scripts/mingw/bin/gawk.exe mingw-get/msys/1.0/bin
+          vs/tool/unzip.exe $top/build-scripts/mingw/bin/d3d9.zip -d d3d9
+          cp d3d9/*.inl mingw-get/include
+          cp d3d9/*.h mingw-get/include
+          cp d3d9/*.a mingw-get/lib
       - name: Build MinGW lowend
         shell: pwsh
         run: |

build-mingw

@@ -12,6 +12,8 @@ if test -z "$top" ; then exit 1; fi
 # fix
 chmod +x vs/sdl/build-scripts/strip_fPIC.sh
 
+sed -i 's/^#define ENABLE_IM_EVENT 1$/\/\/#define ENABLE_IM_EVENT 1/g' vs/sdl/include/SDL_platform.h
+
 # prefer to compile against our own copy of SDL 1.x
 echo Compiling our internal SDL 1.x
 (cd vs/sdl && ./build-dosbox.sh) || exit 1
@@ -20,10 +22,8 @@ echo Compiling our internal SDL 1.x
 echo Compiling our internal SDLnet 1.x
 (cd vs/sdlnet && ./build-dosbox.sh) || exit 1
 
-# MinGW cannot compile SDL_net, configure goes off trying to autogen
-# prefer to compile against our own copy of SDLnet 1.x
-echo Compiling our internal SDLnet 1.x
-(cd vs/sdlnet && ./build-dosbox.sh) || exit 1
+sed -i 's/^\/\/#define ENABLE_IM_EVENT 1$/#define ENABLE_IM_EVENT 1/g' vs/sdl/include/SDL_platform.h
+(cd vs/sdl && ./build-dosbox.sh) || exit 1
 
 # NTS: MinGW provides zlib for us
 if false; then

vs/sdl/include/SDL_platform.h

@@ -106,8 +106,13 @@
 #if defined(WIN32) || defined(_WIN32)
 #undef __WIN32__
 #define __WIN32__	1
-#if !defined(__MINGW32__) || defined(__MINGW64_VERSION_MAJOR)
+#if !defined(__MINGW32__)
 #define ENABLE_IM_EVENT 1
+#else
+#include <_mingw.h>
+#if defined(__MINGW64_VERSION_MAJOR)
+#define ENABLE_IM_EVENT 1
+#endif
 #endif
 #endif