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| author | Norbert Thiebaud <nthiebaud@gmail.com> | 2011-08-19 18:29:07 -0500 |
|---|---|---|
| committer | Norbert Thiebaud <nthiebaud@gmail.com> | 2011-08-19 18:29:07 -0500 |
| commit | d64bbd6bf8d41604e3f14f911f2169f4295e4d99 (patch) | |
| tree | d937d231126f8f7edea0734be6c2ce8f2f4e9347 /configure.in | |
| parent | 3c880648fb99b0f7d276dd2ef1eaf99127a85c46 (diff) | |
detect gmake 3.81 and limit to -j1 unless num-cpu is explicitly set
Diffstat (limited to 'configure.in')
| -rwxr-xr-x | configure.in | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/configure.in b/configure.in index cbd835c7e2eb..536ca8ba5e27 100755 --- a/configure.in +++ b/configure.in @@ -2443,8 +2443,12 @@ fi AC_MSG_CHECKING([the GNU make version]) _make_version=`$GNUMAKE --version | grep GNU | grep -v GPL | $SED -e 's@^[[^0-9]]*@@' -e 's@ .*@@' -e 's@,.*@@'`; _make_longver=`echo $_make_version | $AWK -F. '{ print \$1*10000+\$2*100+\$3 }'` -if test "$_make_longver" -ge "038100" ; then +if test "$_make_longver" -ge "038200" ; then AC_MSG_RESULT([$GNUMAKE $_make_version]) + +elif test "$_make_longver" -ge "038100" ; then + AC_MSG_RESULT([$GNUMAKE $_make_version]) + no_parallelism_make="YES" else AC_MSG_ERROR([failed ($GNUMAKE version >= 3.81 needed]) fi @@ -9080,7 +9084,7 @@ AC_MSG_RESULT([$BUILD_MAX_JOBS]) AC_SUBST(BUILD_MAX_JOBS) # ===================================================================== -# determine the parallelism for tail_build +# determine the parallelism for gnu make # ===================================================================== AC_MSG_CHECKING([for maximum parallelism for gmake]) if test $BUILD_MAX_JOBS -gt $BUILD_NCPUS ; then @@ -9088,8 +9092,28 @@ if test $BUILD_MAX_JOBS -gt $BUILD_NCPUS ; then else GMAKE_PARALLELISM="$BUILD_NCPUS" fi -AC_MSG_RESULT([$GMAKE_PARALLELISM]) +GMAKE_MODULE_PARALLELISM="$BUILD_NCPUS" +if test "$no_parallelism_make" = "YES" ; then + if test -z "$with_num_cpus"; then + GMAKE_PARALLELISM="1"; + if test $GMAKE_MODULE_PARALLELISM -gt 1 ; then + AC_MSG_WARN([gmake 3.81 crashes with parallelism > 1, reducing it to 1. upgrade to 3.82 to avoid this.]) + if test -z "$with_num_cpus"; then + echo "gmake 3.81 crashes with parallelism > 1, reducing it to 1. upgrade to 3.82 to avoid this." >> warn + fi + GMAKE_MODULE_PARALLELISM="1" + fi + else + GMAKE_PARALLELISM="$BUILD_NCPUS"; + echo "make 3.81 is prone to crashes with parallelism > 1. Since --with-num-cpu was explicitely given, it is honored, but do not complain when make segfault on you." >> warn + fi +fi + +# GMAKE_PARALLELISM is used in tail_build +# GMAKE_MODULE_PARALLELISM is used when building individual gbuildified module +AC_MSG_RESULT([per module:$GMAKE_MODULE_PARALLELISM, for tail_build:$GMAKE_PARALLELISM]) AC_SUBST(GMAKE_PARALLELISM) +AC_SUBST(GMAKE_MODULE_PARALLELISM) dnl =================================================================== dnl Setting up the environment. |