Replace gcc with

Author: U-KITSUNE\ross

Makefile

@@ -10,7 +10,7 @@ PREFIX ?= /usr/local
 BINDIR ?= $(PREFIX)/bin
 MANDIR ?= $(PREFIX)/share/man
 
-SYS := $(shell gcc -dumpmachine)
+SYS := $(shell $(CXX) -dumpmachine)
 CYGWIN := $(findstring cygwin,$(SYS))
 MINGW32 := $(findstring mingw32,$(SYS))