Robert Bradshaw wrote:
Since the goal is to remove the -j flags, why not
MAKE=`echo $MAKE | sed -E "s/-j +[^ ]+|--jobs=[^ ]+//g"`
This way if any other flags were part of $MAKE they wouldn't get dropped
as well. (Not sure if Solaris can handle extended regex...but that' easy
to fix if it can't.)
- Robert
The reasons why people want make unset is not always explained. I assume it is
to stop parallel builds, but perhaps they worry about other options.
I certainly would avoid making use of an 'extended' stuff, as it simply more
likely to break on other platforms. Stick to POSIX and it wont make the efforts
of anyone else considering a port more difficult. Solaris 'sed' does not
understand -E option.
I'd like to get a port going to HP-UX. Not that I'd intend using Sage on HP-UX,
but having other systems builds code often shows up bugs. Some like the bug
using 'date +%s' were happening on Solaris, but were less obvious than on HP-UX,
so I'd never noticed the error message.
Unfortunately, mpir might be an issue with HP-UX - there is no support for
HP-UX. Hoever, GMP, python and mpfr all build fine, but mpir might make it
impossible.
Dave
On Jan 11, 2010, at 6:29 PM, Gonzalo Tornaria wrote:
On Mon, Jan 11, 2010 at 5:42 PM, William Stein <wst...@gmail.com> wrote:
Cool. Instead of suggesting people use bits of code like this in
their spkg-install's, why don't we make a single *sage sh library*
that gets used. It could start as a script
local/bin/sage-spkg-lib
that gets sourced before spkg-install gets sourced. It could contain
at least the following functions:
* unsetmake -- based on what you wrote above
* check_err -- based on what Gonzalo posted in another thread.
I think this would be much better than scattering coding snippets in
spkg-installs, since there is one place where we can fix/change
everything related to something like this.
Sounds good... Let me suggest
arg1 ()
{
echo $1
}
resetmake ()
{
MAKE=`arg1 $MAKE`
}
This avoids spawning awk altogether... (won't spawn anything if echo
is builtin as in bash)
Alternative (no echo):
setmake1 ()
{
MAKE=$1
}
resetmake ()
{
setmake1 $MAKE
}
Also, it might be a good idea to define:
sage-spkg-lib ()
{
return
}
The idea is to override the loading of the shell library so it's not
loaded more than once.
(not sure if dashes are allowed in function names, so that may not work).
Alternative:
alias sage-spkg-lib=true
(still no spawning if true is builtin)
Gonzalo
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