Libretro: support builds for windows/mac

.gitignore

@@ -9,6 +9,8 @@
 /eboot.bin
 /noods
 /noods*.so
+/noods*.dll
+/noods*.dylib
 /noods.aab
 /NooDS.app
 /NooDS.dmg

Makefile.libretro

@@ -8,10 +8,22 @@ CPPFILES := $(foreach dir,$(SRCS),$(wildcard $(dir)/*.cpp))
 HFILES := $(foreach dir,$(SRCS),$(wildcard $(dir)/*.h))
 OFILES := $(patsubst %.cpp,$(BUILD)/%.o,$(CPPFILES))
 
+ifeq ($(OS),Windows_NT)
+  ARGS += -static -DWINDOWS
+  SHARED_EXT := .dll
+else
+  ifeq ($(shell uname -s),Darwin)
+    ARGS += -DMACOS
+    SHARED_EXT := .dylib
+  else
+    SHARED_EXT := .so
+  endif
+endif
+
 all: $(NAME)
 
 $(NAME): $(OFILES)
-	g++ -shared -o $@.so $(ARGS) $^ $(LIBS)
+	g++ -shared -o $@$(SHARED_EXT) $(ARGS) $^ $(LIBS)
 
 $(BUILD)/%.o: %.cpp $(HFILES) $(BUILD)
 	g++ -c -fPIC -o $@ $(ARGS) $(INCS) $<
@@ -21,4 +33,4 @@ $(BUILD):
 
 clean:
 	rm -rf $(BUILD)
-	rm -f $(NAME).so
+	rm -f $(NAME)$(SHARED_EXT)

src/libretro/libretro.cpp

@@ -1,6 +1,7 @@
 #include <cstdarg>
 #include <algorithm>
 #include <cstring>
+#include <regex>
 
 #include <fcntl.h>
 #include <fstream>
@@ -110,10 +111,12 @@ static int32_t clampValue(int32_t value, int32_t min, int32_t max)
 
 static std::string normalizePath(std::string path, bool addSlash = false)
 {
-  std::string normalizedPath = path;
-  if (addSlash && normalizedPath.back() != '/')
-    normalizedPath += '/';
-  return normalizedPath;
+  std::string newPath = path;
+  if (addSlash && newPath.back() != '/') newPath += '/';
+#ifdef WINDOWS
+  std::replace(newPath.begin(), newPath.end(), '\\', '/');
+#endif
+  return newPath;
 }
 
 static std::string getNameFromPath(std::string path)
@@ -743,7 +746,7 @@ bool retro_load_game_special(unsigned type, const struct retro_game_info* info,
 
   for (size_t i = 0; i < info_size; i++)
   {
-    std::string path = info[i].path;
+    std::string path = normalizePath(info[i].path);
 
     if (path.find(".nds", path.length() - 4) != std::string::npos)
       ndsPath = path;