diff options
Diffstat (limited to 'meta/recipes-support/boost/boost.inc')
| -rw-r--r-- | meta/recipes-support/boost/boost.inc | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/meta/recipes-support/boost/boost.inc b/meta/recipes-support/boost/boost.inc index a1c35c7b95..87bac23340 100644 --- a/meta/recipes-support/boost/boost.inc +++ b/meta/recipes-support/boost/boost.inc @@ -102,8 +102,22 @@ BJAM_TOOLS = "-sTOOLS=gcc \ '--layout=system' \ " -#use PARALLEL_MAKE to speed up the build -BJAM_OPTS = '${PARALLEL_MAKE} \ +# use PARALLEL_MAKE to speed up the build, but limit it by -j 64, greater paralelism causes bjam to segfault or to ignore -j +# https://svn.boost.org/trac/boost/ticket/7634 +def get_boost_parallel_make(bb, d): + pm = d.getVar('PARALLEL_MAKE', True) + if pm: + # people are usually using "-jN" or "-j N", but let it work with something else appended to it + import re + pm_prefix = re.search("\D+", pm) + pm_val = re.search("\d+", pm) + if pm_prefix is None or pm_val is None: + bb.error("Unable to analyse format of PARALLEL_MAKE variable: %s" % pm) + pm_nval = min(64, int(pm_val.group(0))) + return pm_prefix.group(0) + str(pm_nval) + pm[pm_val.end():] + +BOOST_PARALLEL_MAKE = "${@get_boost_parallel_make(bb, d)}" +BJAM_OPTS = '${BOOST_PARALLEL_MAKE} \ ${BJAM_TOOLS} \ -sBOOST_BUILD_USER_CONFIG=${S}/tools/build/v2/user-config.jam \ --builddir=${S}/${TARGET_SYS} \ |