Bugzilla Bug 43449

When I try to emerge php-cvs to test php5, there is a dependency on re2c which
doesn't compile on my system. The output is included in "Actual Results"

Reproducible: Always
Steps to Reproduce:
1. emerge re2c
2.
3.

Actual Results:  
colin@notebook colin $ sudo emerge re2c
Calculating dependencies ...done!
>>> emerge (1 of 1) dev-util/re2c-0.9.1 to /
>>> md5 src_uri ;-) re2c-0.9.1.tar.gz
>>> Unpacking source...
>>> Unpacking re2c-0.9.1.tar.gz to /var/tmp/portage/re2c-0.9.1/work
 * Applying 0.9.1-patch.gz...                                                  

                                                           [ ok ]>>> Source
unpacked.
g++ -o code.o -march=pentium4 -O3 -pipe -fomit-frame-pointer -c code.cc
g++ -o dfa.o -march=pentium4 -O3 -pipe -fomit-frame-pointer -c dfa.cc
In file included from
/usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.3/include/g++-v3/backward/iomanip.h:31,
                 from code.cc:4:
/usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.3/include/g++-v3/backward/backward_warning.h:32:2:
warning: #warning This file includes at least one deprecated or antiquated
header. Please consider using one of the 32 headers found in section 17.4.1.2
of
the C++ standard. Examples include substituting the <X> header for the <X.h>
header for C++ includes, or <sstream> instead of the deprecated header
<strstream.h>. To disable this warning use -Wno-deprecated.
In file included from
/usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.3/include/g++-v3/backward/iostream.h:31,
                 from substr.h:4,
                 from dfa.cc:5:
/usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.3/include/g++-v3/backward/backward_warning.h:32:2:
warning: #warning This file includes at least one deprecated or antiquated
header. Please consider using one of the 32 headers found in section 17.4.1.2
of
the C++ standard. Examples include substituting the <X> header for the <X.h>
header for C++ includes, or <sstream> instead of the deprecated header
<strstream.h>. To disable this warning use -Wno-deprecated.
egrep "^Version" README | sed 's/Version //' > .version
g++ -o parser.o -march=pentium4 -O3 -pipe -fomit-frame-pointer -c parser.cc
In file included from
/usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.3/include/g++-v3/backward/iostream.h:31,
                 from parser.y:4:
/usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.3/include/g++-v3/backward/backward_warning.h:32:2:
warning: #warning This file includes at least one deprecated or antiquated
header. Please consider using one of the 32 headers found in section 17.4.1.2
of
the C++ standard. Examples include substituting the <X> header for the <X.h>
header for C++ includes, or <sstream> instead of the deprecated header
<strstream.h>. To disable this warning use -Wno-deprecated.
g++ -o actions.o -march=pentium4 -O3 -pipe -fomit-frame-pointer -c actions.cc
In file included from
/usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.3/include/g++-v3/backward/iostream.h:31,
                 from actions.cc:3:
/usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.3/include/g++-v3/backward/backward_warning.h:32:2:
warning: #warning This file includes at least one deprecated or antiquated
header. Please consider using one of the 32 headers found in section 17.4.1.2
of
the C++ standard. Examples include substituting the <X> header for the <X.h>
header for C++ includes, or <sstream> instead of the deprecated header
<strstream.h>. To disable this warning use -Wno-deprecated.
re2c -s scanner.re >scanner.cc
/bin/sh: line 1: re2c: command not found
make: *** [scanner.cc] Error 127
make: *** Waiting for unfinished jobs....

!!! ERROR: dev-util/re2c-0.9.1 failed.
!!! Function src_compile, Line 28, Exitcode 2
!!! (no error message)



Expected Results:  
It should have compiled and installed re2c

colin@notebook colin $ sudo emerge info
Portage 2.0.50-r1 (default-x86-1.4, gcc-3.3.3, glibc-2.3.3_pre20040207-r0,
2.6.2-rc1-mm2)
=================================================================
System uname: 2.6.2-rc1-mm2 i686 Mobile Intel(R) Pentium(R) 4     CPU 3.20GHz
Gentoo Base System version 1.4.3.13
distcc 2.12.1 i686-pc-linux-gnu (protocols 1 and 2) (default port 3632)
[disabled]
ccache version 2.3 [enabled]
Autoconf: sys-devel/autoconf-2.59-r3
Automake: sys-devel/automake-1.8.2
ACCEPT_KEYWORDS="x86 ~x86"
AUTOCLEAN="yes"
CFLAGS="-march=pentium4 -O3 -pipe -fomit-frame-pointer"
CHOST="i686-pc-linux-gnu"
COMPILER="gcc3"
CONFIG_PROTECT="/etc /usr/X11R6/lib/X11/xkb /usr/kde/2/share/config
/usr/kde/3.1/share/config /usr/kde/3/share/config /usr/share/config
/var/qmail/control"
CONFIG_PROTECT_MASK="/etc/gconf /etc/env.d"
CXXFLAGS="-march=pentium4 -O3 -pipe -fomit-frame-pointer"
DISTDIR="/usr/portage/distfiles"
FEATURES="autoaddcvs ccache sandbox"
GENTOO_MIRRORS="ftp://mirror.pacific.net.au/linux/Gentoo
ftp://planetmirror.com/pub/gentoo ftp://203.16.234.19/pub/gentoo/
rsync://203.16.234.19/gentoo/"
MAKEOPTS="-j2"
PKGDIR="/usr/portage/packages"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY=""
SYNC="rsync://rsync.gentoo.org/gentoo-portage"
USE="X acpi alsa apache2 arts avi berkdb cdr crypt cups dga dvd dvdr encode esd
foomaticdb gdbm gif gnome gpm gtk gtk2 imlib java jpeg ldap libg++ libwww mad
mikmod motif mozilla mpeg mysql ncurses nls oggvorbis opengl oss pam pdflib
perl
png pnp postgres python quicktime readline sdl slang snmp spell ssl svga tcltk
tcpd truetype x86 xml xml2 xmms xv zlib"

Weird, as it shouldn't try to recreate the scanner.cc file.
Please post the output of 'ls /var/tmp/portage/re2c-0.9.1/work/re2c-0.9.1/'

colin@notebook colin $ sudo ls /var/tmp/portage/re2c-0.9.1/work/re2c-0.9.1/
actions.cc  basics.h   CHANGELOG  code.o  dfa.h  doc	   globals.h  main.cc	NO_WARRANTY  parser.h  parser.y  README  scanner.cc  scanner.re  substr.h  

Interesting.
Is the clock on the machine calibrated?

and by the way, this is surely not a blocker.

Also, does the scanner.re file contain anything?

Acknowledging the bug.

Okay, the problem is that re2c-0.9.1 is just too old, too broken, and doesn't
work with a modern C compiler.  I've updated the re2c-0.9.1 ebuild to add the
later gcc compiler as a blocker.

There's some work going on over at re2c.org on fixing up re2c, but they haven't
made a release.  Someone needs to talk to them, and sort something out.

Best regards,
Stu

don't mind me... i'll just lurk on this bug

i feel partially responsible for unleashing re2c in bug 22110 ;)

Created an attachment (id=29179) [details]
proposed patch to fix gcc 3.x issues

Sorry..borked on the attachment..

This fixes most of the gcc 3.x issues (just need to re-order the Makefile and touch a few headers)..  I'll have a go at the rest once I've had some sleep 8)

-Elfyn

Created an attachment (id=32143) [details]
New ebuild for 0.9.3 fron re2c.org

The new version from http://re2c.org should compile cleanly.

Lisa seems to have commited the 0.9.3 ebuild three weeks ago, and it seems to
compile cleanly on gcc 3.x (including 3.4.1 here).
Closing then.