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Date: Sat, 21 Nov 2015 02:05:33 +0100
From: Szabolcs Nagy <nsz@...t70.net>
To: musl@...ts.openwall.com
Subject: Re: Support for out-of-tree build
* Petr Hosek <phosek@...omium.org> [2015-11-19 00:22:09 +0000]:
> +$(ALL_LIBS): | lib/
> +$(ALL_TOOLS): | tools/
> +$(CRT_LIBS:lib/%=$(objdir)/crt/%): | $(objdir)/crt/
> +$(OBJS) $(LOBJS): | $(sort $(dir $(OBJS)))
> +$(GENH): | $(objdir)/include/bits/
> +$(GENH_INT): | $(objdir)/src/internal/
> +
> +SRC_DIRS = $(sort $(dir $(ALL_LIBS) $(ALL_TOOLS) $(OBJS) $(GENH) $(GENH_INT)) $(addprefix $(objdir)/, crt/ include/))
> +
> +$(SRC_DIRS):
> + mkdir -p $@
> +
...
> +$(objdir)/include/bits/alltypes.h: $(srcdir)/arch/$(ARCH)/bits/alltypes.h.in $(srcdir)/include/alltypes.h.in $(srcdir)/tools/mkalltypes.sed $(objdir)/include/bits
this needs a / at the end otherwise make 4.1 fails with
make: *** No rule to make target 'obj/include/bits', needed by 'obj/include/bits/alltypes.h'. Stop.
> + sed -f $(srcdir)/tools/mkalltypes.sed $(srcdir)/arch/$(ARCH)/bits/alltypes.h.in $(srcdir)/include/alltypes.h.in > $@
>
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