From 5f99e2159222a12a070d7a9a1edc19aa1602becc Mon Sep 17 00:00:00 2001
From: Jan200101 <sentrycraft123@gmail.com>
Date: Tue, 12 May 2020 16:08:34 +0200
Subject: [PATCH] extend cross compilation support

---
 Makefile | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/Makefile b/Makefile
index d4bd2846..5e5d3881 100644
--- a/Makefile
+++ b/Makefile
@@ -424,14 +424,15 @@ else
   LD := $(CC)
 endif
 
-CPP := cpp -P
-OBJDUMP := objdump
-OBJCOPY := objcopy
+CPP := $(CROSS)cpp -P
+OBJDUMP := $(CROSS)objdump
+OBJCOPY := $(CROSS)objcopy
 PYTHON := python3
+SDLCONFIG := $(CROSS)sdl2-config
 
 ifeq ($(WINDOWS_BUILD),1)
-CC_CHECK := $(CC) -fsyntax-only -fsigned-char $(INCLUDE_CFLAGS) -Wall -Wextra -Wno-format-security $(VERSION_CFLAGS) $(GRUCODE_CFLAGS) `$(CROSS)sdl2-config --cflags`
-CFLAGS := $(OPT_FLAGS) $(INCLUDE_CFLAGS) $(VERSION_CFLAGS) $(GRUCODE_CFLAGS) -fno-strict-aliasing -fwrapv `$(CROSS)sdl2-config --cflags`
+CC_CHECK := $(CC) -fsyntax-only -fsigned-char $(INCLUDE_CFLAGS) -Wall -Wextra -Wno-format-security $(VERSION_CFLAGS) $(GRUCODE_CFLAGS) `$(SDLCONFIG) --cflags`
+CFLAGS := $(OPT_FLAGS) $(INCLUDE_CFLAGS) $(VERSION_CFLAGS) $(GRUCODE_CFLAGS) -fno-strict-aliasing -fwrapv `$(SDLCONFIG) --cflags`
 
 else ifeq ($(TARGET_WEB),1)
 CC_CHECK := $(CC) -fsyntax-only -fsigned-char $(INCLUDE_CFLAGS) -Wall -Wextra -Wno-format-security $(VERSION_CFLAGS) $(GRUCODE_CFLAGS) -s USE_SDL=2
@@ -439,8 +440,8 @@ CFLAGS := $(OPT_FLAGS) $(INCLUDE_CFLAGS) $(VERSION_CFLAGS) $(GRUCODE_CFLAGS) -fn
 
 # Linux / Other builds below
 else
-CC_CHECK := $(CC) -fsyntax-only -fsigned-char $(INCLUDE_CFLAGS) -Wall -Wextra -Wno-format-security $(VERSION_CFLAGS) $(GRUCODE_CFLAGS) `$(CROSS)sdl2-config --cflags`
-CFLAGS := $(OPT_FLAGS) $(INCLUDE_CFLAGS) $(VERSION_CFLAGS) $(GRUCODE_CFLAGS) -fno-strict-aliasing -fwrapv `$(CROSS)sdl2-config --cflags`
+CC_CHECK := $(CC) -fsyntax-only -fsigned-char $(INCLUDE_CFLAGS) -Wall -Wextra -Wno-format-security $(VERSION_CFLAGS) $(GRUCODE_CFLAGS) `$(SDLCONFIG) --cflags`
+CFLAGS := $(OPT_FLAGS) $(INCLUDE_CFLAGS) $(VERSION_CFLAGS) $(GRUCODE_CFLAGS) -fno-strict-aliasing -fwrapv `$(SDLCONFIG) --cflags`
 endif
 
 # Check for better camera option
@@ -456,14 +457,14 @@ LDFLAGS := -lm -lGL -lSDL2 -no-pie -s TOTAL_MEMORY=20MB -g4 --source-map-base ht
 else
 
 ifeq ($(WINDOWS_BUILD),1)
-LDFLAGS := $(BITS) -march=$(TARGET_ARCH) -Llib -lpthread -lglew32 `$(CROSS)sdl2-config --static-libs` -lm -lglu32 -lsetupapi -ldinput8 -luser32 -lgdi32 -limm32 -lole32 -loleaut32 -lshell32 -lwinmm -lversion -luuid -lopengl32 -no-pie -static
+LDFLAGS := $(BITS) -march=$(TARGET_ARCH) -Llib -lpthread -lglew32 `$(SDLCONFIG) --static-libs` -lm -lglu32 -lsetupapi -ldinput8 -luser32 -lgdi32 -limm32 -lole32 -loleaut32 -lshell32 -lwinmm -lversion -luuid -lopengl32 -no-pie -static
 else
 
 # Linux / Other builds below
 ifeq ($(TARGET_RPI),1)
-LDFLAGS := $(OPT_FLAGS) -lm -lGLESv2 `$(CROSS)sdl2-config --libs` -no-pie
+LDFLAGS := $(OPT_FLAGS) -lm -lGLESv2 `$(SDLCONFIG) --libs` -no-pie
 else
-LDFLAGS := $(BITS) -march=$(TARGET_ARCH) -lm -lGL `$(CROSS)sdl2-config --libs` -no-pie -lpthread
+LDFLAGS := $(BITS) -march=$(TARGET_ARCH) -lm -lGL `$(SDLCONFIG) --libs` -no-pie -lpthread
 endif
 endif
 endif #Added for Pi ifeq