Fix some issues with the MinGW build.

Fixes #58.

Makefile.am

@@ -34,6 +34,7 @@ endif MAC
 
 if MINGW
 nodist_hyperrogue_SOURCES = hyper.res
+hyperrogue_CPPFLAGS += -march=native -DWINDOWS
 windres_prefix = ${host_cpu}-w64-mingw32-
 endif MINGW
 

Makefile.simple

@@ -94,6 +94,7 @@ endif
 ifeq (${TOOLCHAIN},mingw)
   CXXFLAGS_EARLY += -std=c++11 -march=native
   CXXFLAGS_EARLY += -W -Wall -Wextra -Werror
+  CXXFLAGS_EARLY += -Wno-unused-parameter
 endif
 
 

pattern2.cpp

@@ -1525,7 +1525,7 @@ namespace patterns {
 #if CAP_TEXTURE
 #define REMAP_TEXTURE texture::config.remap()
 #else
-#define REMAP_TEXTURE
+#define REMAP_TEXTURE (void)0
 #endif
   
   void showPattern() {