From a47a2e5e8b7854c44f7d47f981c844b6e584bd53 Mon Sep 17 00:00:00 2001
From: Simon Lindholm <simon.lindholm10@gmail.com>
Date: Mon, 4 Jul 2022 19:27:23 +0200
Subject: [PATCH] Allow building with older GCC

---
 Makefile  | 3 ++-
 files.cpp | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index dc25bb9..9baf6a6 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,7 @@
 all: wibo
 
 CXXFLAGS = -Wall -g -m32 -std=c++2a -lstdc++ -MD
+LDFLAGS = -lstdc++fs
 
 BUILD_DIR := build
 CPP_FILES := $(wildcard *.cpp)
@@ -14,7 +15,7 @@ $(BUILD_DIR)/%.o: %.cpp | $(BUILD_DIR)
 	$(CXX) -c $(CXXFLAGS) $< -o $@
 
 wibo: $(O_FILES)
-	$(CXX) $(CXXFLAGS) $^ -o $@
+	$(CXX) $(CXXFLAGS) $^ -o $@ $(LDFLAGS)
 
 clean:
 	$(RM) -r $(BUILD_DIR) wibo
diff --git a/files.cpp b/files.cpp
index 0a574b9..c52c6d2 100644
--- a/files.cpp
+++ b/files.cpp
@@ -1,5 +1,6 @@
 #include "common.h"
 #include "files.h"
+#include <algorithm>
 
 namespace files {
 	static FILE *handleFps[0x10000];
@@ -14,7 +15,7 @@ namespace files {
 		std::replace(str.begin(), str.end(), '\\', '/');
 
 		// Remove the drive letter
-		if (str.starts_with("c:/") || str.starts_with("C:/")) {
+		if (str.rfind("c:/", 0) == 0 || str.rfind("C:/", 0) == 0) {
 			str.erase(0, 2);
 		}