On 04/04/2019 23:43, Bruce Dubbs via lfs-dev wrote: > On 4/4/19 4:11 PM, Pierre Labastie via lfs-dev wrote: >> I've been testing several things for glibc in chapter 6 recently: >> >> - glibc-2.29 has introduced a hard dependency on Python 3. Previous versions >> were only dependent on perl. So I wondered whether perl was still a >> dependency. It turns out that glibc can be built without perl, but that some >> (24 exactly) tests are marked FAIL, because they run "mtrace", which is a >> perl >> script. Note that even if we do not care about those failures, perl must be >> built in chapter 5 because other packages need it: the first one I've found >> in >> our build order is "bc". >> >> - the current build method in SVN is good for preventing debug information >> from beginning with /tools. /tools is still mentioned at a few places, >> because >> the gcc libraries are statically linked, and they have been compiled without >> the option -ffile-prefix-map. This could be prevented too, but it is not >> worth >> the hassle. >> >> - while testing, I found that the current build method _uses_ the kernel API >> headers from /tools/include, while it should use the ones we have just >> installed in /usr/include (it's not a problem with debug information here, >> rather a problem with what is used for building the library). For me, this is >> rather bad, since we cannot be sure that the API headers in /tools/include >> have not been modified during chapter 5. >> >> To use the just installed kernel API headers, the switch >> "--with-headers=/usr/include" should be passed to configure. I could add that >> to the book instructions, but it seems nobody cares (maybe it was not at the >> right place, or with the right wording, but I think I've written three times >> about that, and the only return I've had was about debug information.) > > thank you for the clear explanation. Please go ahead and add the > --with-headers entry. You might want to go ahead and double check the glibc > dependencies in the appendix. >
Done at revision 11569. I've not changed the dependencies for glibc: if perl is not present, the .info documentation is not installed (just discovered that: I was not looking at that when I tested). But I have added Perl for Bc. Pierre -- http://lists.linuxfromscratch.org/listinfo/lfs-dev FAQ: http://www.linuxfromscratch.org/faq/ Unsubscribe: See the above information page
