Date: Sat, 18 Jan 2020 00:14:47 -0500 From: Rich Felker <dalias@...c.org> To: musl@...ts.openwall.com Subject: Re: Absolute symlink breaks cross compilation On Sat, Jan 18, 2020 at 02:24:49AM +0300, Андрей Аладьев wrote: > Hello. Gentoo users find that it is not possible to cross compile musl. See > here https://bugs.gentoo.org/645626 more details. > > I am sending to you proposed patch that is related to upstream. Please keep > all installed symlinks relative. Thank you. > diff --git a/Makefile b/Makefile > index bd8f5c38..81bf33d5 100644 > --- a/Makefile > +++ b/Makefile > @@ -209,7 +209,7 @@ $(DESTDIR)$(includedir)/%: $(srcdir)/include/% > $(INSTALL) -D -m 644 $< $@ > > $(DESTDIR)$(LDSO_PATHNAME): $(DESTDIR)$(libdir)/libc.so > - $(INSTALL) -D -l $(libdir)/libc.so $@ || true > + $(INSTALL) -D -l $$(realpath --no-symlinks --relative-to=$$(dirname $@) $(DESTDIR)$(libdir)/libc.so) $@ || true > > install-libs: $(ALL_LIBS:lib/%=$(DESTDIR)$(libdir)/%) $(if $(SHARED_LIBS),$(DESTDIR)$(LDSO_PATHNAME),) > I don't understand what you mean by it "breaks cross compilation". The ldso link produced is not used for compiling anything; it's only used for executing programs, which you don't do when cross compiling musl or cross compiling applications against it. The link is setup to be installed on the $host, not to be used on the $build where it's not needed. Could you could explain what specifically you're trying to do that's not working as desired? Rich
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