URL:
<http://savannah.gnu.org/bugs/?18124>
Summary: make-3.81 isn't parallel build safe
Project: make
Submitted by: None
Submitted on: Thursday 10/26/2006 at 18:15 UTC
Severity: 3 - Normal
Item Group: Bug
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Component Version: 3.81
Operating System: POSIX-Based
Fixed Release: None
_______________________________________________________
Details:
From
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=212111
To reproduce it, after glibc build is done, in glibc build directory:
[EMAIL PROTECTED] build-x86_64-linux]$ rm -rf iconv
[EMAIL PROTECTED] build-x86_64-linux]$ make -j4 PARALLELMFLAGS=-j4 > make.log
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
mkdir /export/build/gnu/glibc-nptl-local/build-x86_64-linux/iconv
gconv_open.c: In function ‘__gconv_open’:
gconv_open.c:59: warning: ‘ptr’ may be used uninitialized in this
function
gconv_open.c: In function ‘__gconv_open’:
gconv_open.c:59: warning: ‘ptr’ may be used uninitialized in this
function
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
make[2]: warning: -jN forced in submake: disabling jobserver mode.
No rule to make target
`/export/build/gnu/glibc-nptl-local/build-x86_64-linux/iconv/charmap.o',
needed
by `others'
make[1]: *** [iconv/others] Aborted (core dumped)
make: *** [all] Error 2
[EMAIL PROTECTED] build-x86_64-linux]$
he problem is when start_job_command closes job_fds, it doesn't set
them to -1. Then the same fd is returned by opendir. Later it is used
for pipe again. From there, everything goes down hill.
This patch works for me.
_______________________________________________________
File Attachments:
-------------------------------------------------------
Date: Thursday 10/26/2006 at 18:15 UTC Name: make-3.81-job-1.patch Size:
1015B By: None
A patch
<http://savannah.gnu.org/bugs/download.php?file_id=11083>
_______________________________________________________
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