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config: use '0' for automatic number of jobs

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Also, make it the default.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
This commit is contained in:
Yann E. MORIN" 2011-10-16 13:26:26 +02:00
parent f81519065b
commit 6e00f49ab4
2 changed files with 6 additions and 7 deletions
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6
config/global/build-behave.in
View File

@ -8,15 +8,15 @@ comment "Build options hiden"
config PARALLEL_JOBS
int
prompt "Number of parallel jobs" if ! BACKEND
default 1
default 0
help
Number of jobs make will be allowed to run concurently.
Set this higher than the number of processors you have, but not too high.
A good rule of thumb is twice the number of processors you have.
Enter 1 (or 0) to have only one job at a time.
Enter 1 to have only one job at a time.
Enter -1 to set automatically based on how many processors the host has.
Enter 0 to set automatically based on how many processors the host has.
config LOAD
int

7
scripts/crosstool-NG.sh.in
View File

@ -469,9 +469,6 @@ if [ -z "${CT_RESTART}" ]; then
[ "${CT_USE_PIPES}" = "y" ] && CT_CFLAGS_FOR_HOST+=" -pipe"
CT_CFLAGS_FOR_HOST+="${CT_EXTRA_FLAGS_FOR_HOST}"
# Override the configured jobs with what's been given on the command line
[ -n "${CT_JOBS}" ] && CT_PARALLEL_JOBS="${CT_JOBS}"
# Set the shell to be used by ./configure scripts and by Makefiles (those
# that support it!).
export CONFIG_SHELL="${CT_CONFIG_SHELL}" # for ./configure
@ -479,10 +476,12 @@ if [ -z "${CT_RESTART}" ]; then
# And help make go faster
JOBSFLAGS=
# Override the configured jobs with what's been given on the command line
[ -n "${CT_JOBS}" ] && CT_PARALLEL_JOBS="${CT_JOBS}"
# Use the number of processors+1 when automatically setting the number of
# parallel jobs. Fall back to 1 if the host doesn't use GLIBC.
AUTO_JOBS=$((`getconf _NPROCESSORS_ONLN 2> /dev/null || echo 0` + 1))
[ ${CT_PARALLEL_JOBS} -eq -1 ] && JOBSFLAGS="${JOBSFLAGS} -j${AUTO_JOBS}"
[ ${CT_PARALLEL_JOBS} -eq 0 ] && JOBSFLAGS="${JOBSFLAGS} -j${AUTO_JOBS}"
[ ${CT_PARALLEL_JOBS} -gt 0 ] && JOBSFLAGS="${JOBSFLAGS} -j${CT_PARALLEL_JOBS}"
[ ${CT_LOAD} -ne 0 ] && JOBSFLAGS="${JOBSFLAGS} -l${CT_LOAD}"