scc

simple c99 compiler
git clone git://git.simple-cc.org/scc
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gcc-scc.sh (1096B)


      1 #!/bin/sh
      2 
      3 set -e
      4 
      5 for i
      6 do
      7 	case "$i" in
      8 	-r)
      9 		root=$2
     10 		shift 2
     11 		;;
     12 	-a)
     13 		abi=$2
     14 		shift 2
     15 		;;
     16 	-s)
     17 		sys=$2
     18 		shift 2
     19 		;;
     20 	-o)
     21 		out=$2
     22 		shift 2
     23 		;;
     24 	-c)
     25 		onlycc=1;
     26 		shift
     27 		;;
     28 	-*)
     29 		echo usage: gcc-scc [-o outfile][-c][-r root][-a abi][-s sys] file
     30 		exit 1
     31 		;;
     32 	esac
     33 done
     34 
     35 sys=${sys:-`uname | tr 'A-Z' 'a-z'`}
     36 abi=${abi:-amd64}
     37 out=${out:-a.out}
     38 root=${root:-${SCCPREFIX:-`dirname $0`/..}}
     39 inc=$root/include
     40 arch_inc=$inc/bits/$abi
     41 sys_inc=$inc/bits/$sys
     42 sys_arch_inc=$inc/bits/$sys/$abi
     43 lib=$root/lib/scc/${abi}-${sys}
     44 crt=$root/lib/scc/${abi}-${sys}/crt.o
     45 obj=${1%.c}.o
     46 cc=${CROSS_COMPILE}cc
     47 ld=${CROSS_COMPILE}ld
     48 
     49 case `uname` in
     50 OpenBSD)
     51 	nopie=-no-pie
     52 	;;
     53 esac
     54 
     55 includes="-nostdinc -I$inc -I$arch_inc -I$sys_inc -I$sys_arch_inc"
     56 cflags="-std=c99 -g -w -fno-pie -fno-stack-protector -ffreestanding -static"
     57 ldflags="-g -z nodefaultlib -static -L$lib"
     58 
     59 if test ${onlycc:-0} -eq 1
     60 then
     61 	$cc $cflags $includes -c $@
     62 else
     63 	for i
     64 	do
     65 		case $i in
     66 		*.c)
     67 			$cc $cflags $includes -c $i
     68 			;;
     69 		esac
     70 	done
     71 	$ld $ldflags $nopie `echo $@ | sed 's/\.c$/.o/g'` $crt -lc -lcrt -o $out
     72 fi