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Don't assume -j is a solo 'make' argument.

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Paul Eggert 2003-10-09 20:23:53 +00:00
parent 87f8817fdc
commit 132dcb2111
2 changed files with 17 additions and 8 deletions
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8
ChangeLog
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@ -1,3 +1,9 @@
2003-10-09 Paul Eggert <eggert@twinsun.com>
* lib/Autom4te/XFile.pm: Don't assume -j is solo.
Issue a more-informative diagnostic.
Problems reported by Eric Sunshine.
2003-10-08 Steven G. Johnson <stevenj@alum.mit.edu>
* lib/autoconf/fortran.m4 (_AC_PROG_FC_V_OUTPUT): Omit quoted
@ -714,7 +720,7 @@
White spaces cleanup.
2003-05-22 Jim Meyering <jim@meyering.net>
and Paul Eggert <eggert@twinsun.com>
Paul Eggert <eggert@twinsun.com>
* lib/autoconf/c.m4 (_AC_PROG_CXX_EXIT_DECLARATION):
Remove `#include <stdlib.h>' from the list; we should never

9
lib/Autom4te/XFile.pm
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@ -223,12 +223,15 @@ sub lock
# perl was not built with -Ud_flock. Normally, this problem is harmless,
# so ignore the ENOLCK errors that are reported in that situation,
# However, if the invoker is using "make -j", the problem is not harmless,
# so report it in that case. Admittedly this is a bit of a hack.
# so report it in that case, by inspecting MAKEFLAGS and looking for
# any arguments indicating that the invoker used -j.
# Admittedly this is a bit of a hack.
if (!flock ($fh, $mode)
&& (!$!{ENOLCK} || " $ENV{'MAKEFLAGS'}" =~ / (-j|--jobs)/))
&& (!$!{ENOLCK}
|| " -$ENV{'MAKEFLAGS'}" =~ / (-[BdeikrRsSw]*j|---?jobs)/))
{
my $file = $fh->name;
fatal "cannot lock $file with mode $mode: $!";
fatal "cannot lock $file with mode $mode (perhaps you are running make -j on a lame NFS client?): $!";
}
}