fix linux build

CMakeLists.txt

@@ -29,7 +29,7 @@ if(MSVC)
 	set_property(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY VS_STARTUP_PROJECT bspguy)
 
 else()
-    set(CMAKE_CXX_FLAGS "-Wall")
+    set(CMAKE_CXX_FLAGS "-Wall -std=c++11")
     set(CMAKE_CXX_FLAGS_DEBUG "-g -O0")
     set(CMAKE_CXX_FLAGS_RELEASE "-Os -fno-exceptions -w -Wfatal-errors")
 endif()

src/Bsp.h

@@ -4,6 +4,7 @@
 #include "Entity.h"
 #include "bsplimits.h"
 #include "rad.h"
+#include <string.h>
 
 #define BSP_MODEL_BYTES 64 // size of a BSP model in bytes
 

src/Wad.cpp

@@ -2,8 +2,11 @@
 #include "util.h"
 #include <iostream>
 #include <fstream>
+#include <string.h>
 
-#define strcasecmp _stricmp
+#ifdef WIN32
+	#define strcasecmp _stricmp
+#endif
 
 Wad::Wad(void)
 {

src/Wad.h

@@ -13,24 +13,6 @@ typedef unsigned int uint;
 struct COLOR3
 {
 	unsigned char r, g, b;
-
-	COLOR3 lerp(COLOR3& other, float frac) {
-		COLOR3 ret;
-
-		int r = round((float)this->r + ((float)other.r - (float)this->r) * frac);
-		int g = round((float)this->g + ((float)other.g - (float)this->g) * frac);
-		int b = round((float)this->b + ((float)other.b - (float)this->b) * frac);
-
-		CLAMP(r, 0, 255);
-		CLAMP(g, 0, 255);
-		CLAMP(b, 0, 255);
-
-		ret.r = r;
-		ret.g = g;
-		ret.b = b;
-
-		return ret;
-	}
 };
 
 struct WADHEADER

src/util.cpp

@@ -4,6 +4,7 @@
 #include <string>
 #include <algorithm>
 #include <cctype>
+#include <string.h>
 
 bool fileExists(const string& fileName)
 {
@@ -119,8 +120,8 @@ void print_color(int colors)
 		printf("\x1B[0m");
 		return;
 	}
-	char* mode = colors & PRINT_BRIGHT ? "1" : "0";
-	char* color = "37";
+	const char* mode = colors & PRINT_BRIGHT ? "1" : "0";
+	const char* color = "37";
 	switch (colors & ~PRINT_BRIGHT)
 	{
 	case PRINT_RED:								color = "31"; break;

src/util.h

@@ -4,6 +4,7 @@
 #include <vector>
 #include <iostream>
 #include <fstream>
+#include <cmath>
 
 #define PRINT_BLUE		1
 #define PRINT_GREEN		2