Cannot emerge (compile) libz (sys-libs/zlib-1.2.1-r2) with distcc (sys-devel/distcc-2.13-r1) - undefined reference to `errno' Reproducible: Always Steps to Reproduce: 1. forget to run distccd at first computer in list 2. emerge libz Actual Results: >>> Source unpacked. Checking for shared library support... No shared library support; try without defining CC and CFLAGS Building static library libz.a version 1.2.1 with gcc. Checking for unistd.h... No. Checking whether to use vs[n]printf() or s[n]printf()... using s[n]printf() Checking for snprintf() in stdio.h... Yes. Checking for return value of snprintf()... No. WARNING: apparently snprintf() does not return a value. zlib can build but will be open to possible string-format security vulnerabilities. Checking for errno.h... No. Checking for mmap support... No. ... gcc -O2 -mcpu=athlon -march=i686 -fomit-frame-pointer -pipe -DHAS_snprintf_void -DNO_ERRNO_H -o minigzip minigzip.o -L. libz.a libz.a(gzio.o)(.text+0x1cb): In function `gz_open': : undefined reference to `errno' libz.a(gzio.o)(.text+0x4b4): In function `get_byte': : undefined reference to `errno' libz.a(gzio.o)(.text+0x550): In function `check_header': : undefined reference to `errno' libz.a(gzio.o)(.text+0x92c): In function `gzread': : undefined reference to `errno' collect2: ld returned 1 exit status distcc[25309] ERROR: compile on localhost failed make: *** [minigzip] Error 1 make: *** Waiting for unfinished jobs.... libz.a(gzio.o)(.text+0x1cb): In function `gz_open': : undefined reference to `errno' libz.a(gzio.o)(.text+0x4b4): In function `get_byte': : undefined reference to `errno' libz.a(gzio.o)(.text+0x550): In function `check_header': : undefined reference to `errno' libz.a(gzio.o)(.text+0x92c): In function `gzread': : undefined reference to `errno' collect2: ld returned 1 exit status distcc[25308] ERROR: compile on localhost failed make: *** [example] Error 1 !!! ERROR: sys-libs/zlib-1.2.1-r2 failed. !!! Function src_compile, Line 32, Exitcode 2 !!! (no error message) Expected Results: Install zlib of course. In fact, problem is with distcc - distcc report some error about Connection refused and running locally in configure and zlib thinks it means test failed. After executing distccd at first computer in list, zlib emerged without problem. Portage 2.0.50-r8 (default-x86-2004.0, gcc-3.3.2, glibc-2.3.2-r9, 2.4.26) ================================================================= System uname: 2.4.26 i686 AMD Duron(tm) Processor Gentoo Base System version 1.4.16 distcc 2.13 i686-pc-linux-gnu (protocols 1 and 2) (default port 3632) [enabled] Autoconf: sys-devel/autoconf-2.59-r3 Automake: sys-devel/automake-1.8.3 ACCEPT_KEYWORDS="x86" AUTOCLEAN="yes" CFLAGS="-O2 -mcpu=athlon -march=i686 -fomit-frame-pointer -pipe" CHOST="i686-pc-linux-gnu" COMPILER="gcc3" CONFIG_PROTECT="/etc /usr/X11R6/lib/X11/xkb /usr/kde/2/share/config /usr/kde/3.2/share/config /usr/kde/3/share/config /usr/lib/mozilla/defaults/pref /usr/share/config /usr/share/texmf/dvipdfm/config/ /usr/share/texmf/dvips/config/ /usr/share/texmf/tex/generic/config/ /usr/share/texmf/tex/platex/config/ /usr/share/texmf/xdvi/ /var/bind /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d" CXXFLAGS="-O2 -mcpu=athlon -march=i686 -fomit-frame-pointer -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoaddcvs ccache distcc sandbox" GENTOO_MIRRORS="http://www.mirror.ac.uk/sites/www.ibiblio.org/gentoo/ http://gentoo.oregonstate.edu http://www.ibiblio.org/pub/Linux/distributions/gentoo" MAKEOPTS="-j4" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/mnt/hda04/gentoo-var-tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage" SYNC="rsync://rsync.europe.gentoo.org/gentoo-portage" USE="3dnow X Xaw3d aalib apache2 apm arts avi berkdb caps cdr crypt cups curl dga doc dvd encode esd flac foomaticdb gd gdbm gif gpm gtk gtk2 imagemagick imlib innodb ipv6 java jpeg lcms lesstif libg++ libwww mad mbox mcal memlimit mikmod mmx mng motif mozilla mpeg mysql ncurses nls oggvorbis opengl oss pam pdflib perl png python qt quicktime readline samba sdl slang snmp spell sqlite sse ssl svga tcltk tcpd tetex theora tiff truetype unicode usb vhosts videos wmf x86 xml xml2 xmms xosd xv zlib"
Do you have the same version of GCC on all of the machines being used to compile?
Yes, I have. Only localhost was used to compile, because, as I already said, I forget to run distccd on all computers in /etc/distcc/hosts. Problem is, when distcc can't connect to first computer, it write error message to stdout. And configure script from zlib take this as proof that compile failed and therefore tested feature is not available. And finnaly, when errno.h is misdetected, zlib cannot be linked. In fact, I don't know if there is some resolution possible, because all component behaves right and only combination is problem. Maybee some warning in documentation or test with warning on begin of emerge, to shorten problem-searching time. Or some -Wno-connect-problem flag for distcc.
Can you post the config.log as an attachment?
No, I can't. But I have a very good excuse. Zlib's configure did NOT create config.log or any other log file. It's not autoconf's configure, it's their own script. I already post what is reason for bug. Problem is in following lines in configure script (it's line 391 and later): if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then echo "Checking for errno.h... Yes." else echo "Checking for errno.h... No." CFLAGS="$CFLAGS -DNO_ERRNO_H" fi
Excellent. I'll send this over to base-system for patching. For now I suggest removing the "dead" hosts and compiling again (you probably have, but yeah...).
seems to be a bunch of these bad tests in the configure script ...
Created attachment 34452 [details, diff] zlib-1.2.1-configure.patch
Created attachment 34453 [details, diff] zlib-1.2.1-r2.ebuild.patch please try out these two patches and see if they fix your problem
Lisa Seelye: no. I simply resurrect that dead host :-). So testing stderr IS bug ...
I tested provided patches. It emerges and I didn't notice any sign of other problem. But all replies is "Yes", so "if true" would have same effect ... BTW, is there any possible package name between zlib-1.2.1-r2.ebuild and zlib-1.2.1-r3.ebuild ?
added to cvs i dont see a 1.2.1-r3 anywhere so i dont know what you're refering to ;)
