bindir ?= ./bin

CFLAGS := -nostdlib -static -fuse-ld=lld -fno-stack-protector

CLANG_WNO := -Wno-incompatible-library-redeclaration
GCC_WNO := -Wno-builtin-declaration-mismatch

MIPS_CFLAGS := --target=mips-linux-gnu -fno-pic
MIPSEL_CFLAGS := --target=mipsel-linux-gnu -fno-pic
X86_64_CFLAGS := --target=x86_64-linux-gnu

AARCH64_CFLAGS := --target=aarch64-linux-gnu

all: buildtest

clean: 
	rm $(bindir)/*

$(bindir)/:
	mkdir -p ${bindir}

headers := sys.h int.h
buildtest: $(bindir)/bldtst $(bindir)/bldtst_llvm $(bindir)/bldtst_x64 $(bindir)/bldtst_aarch64 $(bindir)/bldtst_mips $(bindir)/bldtst_mipsel


.PHONY: all clean buildtest


${bindir}/bldtst: buildtest.c $(headers) arch/* | $(bindir)/
	gcc $(CFLAGS) $(GCC_WNO) -o $@ buildtest.c arch/*.c

${bindir}/bldtst_llvm: $(headers) buildtest.c arch/* | $(bindir)/
	clang $(CFLAGS) $(CLANG_WNO) -o $@ buildtest.c arch/*.c

${bindir}/bldtst_x64: $(headers) buildtest.c arch/x86_64.c arch/generic.h | $(bindir)/
	clang $(X86_64_CFLAGS) $(CFLAGS) $(CLANG_WNO) -o $@ buildtest.c arch/x86_64.c

${bindir}/bldtst_aarch64: $(headers) buildtest.c arch/aarch64.c arch/generic.h | $(bindir)/
	clang $(AARCH64_CFLAGS) $(CFLAGS) $(CLANG_WNO) -o $@ buildtest.c arch/aarch64.c

${bindir}/bldtst_mips: $(headers) buildtest.c arch/mips.c arch/generic.h | $(bindir)/
	clang $(MIPS_CFLAGS) $(CFLAGS) $(CLANG_WNO) -o $@ buildtest.c arch/mips.c

${bindir}/bldtst_mipsel: $(headers) buildtest.c arch/mips.c arch/generic.h | $(bindir)/
	clang $(MIPSEL_CFLAGS) $(CFLAGS) $(CLANG_WNO) -o $@ buildtest.c arch/mips.c