build: update compile.sh to support bsd systems

build: switch from hardcoded gcc to default c compiler

On FreeBSD /usr used by base system, use PREFIX=/usr/local instead.
On BSD systems gnu "make" has the name "gmake".

	modified:   Makefile
	modified:   compile.sh

Signed-off-by: Oliver Pinter <op@crysys.hu>

Makefile

@@ -3,7 +3,7 @@
 
 include config.mk
 
-CC = $(CROSS)gcc
+CC ?= $(CROSS)cc
 AR ?= $(CROSS)ar
 RANLIB ?= $(CROSS)ranlib
 STRIP ?= $(CROSS)strip

compile.sh

@@ -1,4 +1,4 @@
-#! /bin/bash
+#! /usr/bin/env bash
 
 # Capstone Disassembler Engine
 # By Nguyen Anh Quynh <aquynh@gmail.com>, 2013>
@@ -6,12 +6,16 @@
 # Note: to cross-compile "nix32" on Linux, package gcc-multilib is required.
 
 function build {
-	CROSS= make clean
+	if [ ${MAKE}x = x ]; then
+		MAKE=make
+	fi
+
+	CROSS= ${MAKE} clean
 
 	if [ ${CC}x != x ]; then
-		make CC=$CC
+		${MAKE} CC=$CC
 	else
-		make
+		${MAKE}
 	fi
 }
 
@@ -19,10 +23,12 @@ case "$1" in
   "" ) build;;
   "default" ) build;;
   "nix32" ) CFLAGS=-m32 LDFLAGS=-m32 build;;
+  "bsd") MAKE=gmake PREFIX=/usr/local build;;
   "clang" ) CC=clang build;;
   "cross-win32" ) CROSS=i686-w64-mingw32- build;;
   "cross-win64" ) CROSS=x86_64-w64-mingw32- build;;
   "cygwin-mingw32" ) CROSS=i686-pc-mingw32- build;;
   "cygwin-mingw64" ) CROSS=x86_64-w64-mingw32- build;;
-  * ) echo "Usage: compile.sh [nix32|clang|cross-win32|cross-win64|cygwin-mingw32|cygwin-mingw64]"; exit 1;;
+  "gcc") CC=gcc build;;
+  * ) echo "Usage: compile.sh [nix32|bsd|clang|cross-win32|cross-win64|cygwin-mingw32|cygwin-mingw64|gcc]"; exit 1;;
 esac