Ninja musl LLVM build

build.ninja

lcc = llc
ld  = ld.lld

src=..
SYS = /root/src/musl/root
GCCPATH = /usr/lib64/gcc/x86_64-slackware-linux/9.3.0

llcflags = -march=x86-64 -relocation-model=pic -filetype=obj
ldflags = -s $SYS/lib/crt1.o -static -nostdlib --lto-O3 -sysroot $SYS -L $SYS/lib -L $GCCPATH
ldlibflags = -lgcc -lc -lm -ldl -lpthread

clangflags=-static -emit-llvm -std=c11 -nodefaultlibs --sysroot $SYS -isystem $SYS/include -funsigned-char -flto
cvariables=-D_GNU_SOURCE -DCONFIG_VERSION=\"2020-09-06\" -DCONFIG_BIGNUM

rule lcc
  command = $lcc $llcflags $in -o $out

rule link
  command = $ld $ldflags $ldlibflags $in -o $out

rule cc
  command = clang $clangflags $cvariables -c $in -o $out

rule llink
  command = llvm-link -v -o $out $in

rule exe
  command = clang -lm -ldl -pthread $in libquickjs.llvm.o -o $out

build quickjs.bc: cc $src/quickjs.c
build quickjs-libc.bc: cc $src/quickjs-libc.c
build cutils.bc: cc $src/cutils.c

build libregexp.bc: cc $src/libregexp.c
build libunicode.bc: cc $src/libunicode.c
build libbf.bc: cc $src/libbf.c

build libquickjs.bc: llink quickjs.bc quickjs-libc.bc cutils.bc libregexp.bc libunicode.bc libbf.bc
build libquickjs.llvm.o: lcc libquickjs.bc

build main.bc: cc ../main.c
build main.o: lcc main.bc

build main: link main.o libquickjs.llvm.o