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8298424: Remove redundant FOUND_CORES variable in build-performance.m4

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Reviewed-by: erikj, tsteele
This commit is contained in:
Amit Kumar 2023-01-30 14:33:28 +00:00 committed by Tyler Steele
parent ebb84ad70d
commit 476f58adc1
1 changed files with 5 additions and 11 deletions
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16
make/autoconf/build-performance.m4
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@ -26,8 +26,7 @@
AC_DEFUN([BPERF_CHECK_CORES],
[
AC_MSG_CHECKING([for number of cores])
NUM_CORES=1
FOUND_CORES=no
NUM_CORES=0
if test -f /proc/cpuinfo; then
# Looks like a Linux (or cygwin) system
@ -35,30 +34,25 @@ AC_DEFUN([BPERF_CHECK_CORES],
if test "$NUM_CORES" -eq "0"; then
NUM_CORES=`cat /proc/cpuinfo | grep -c ^CPU`
fi
if test "$NUM_CORES" -ne "0"; then
FOUND_CORES=yes
fi
elif test -x /usr/sbin/sysctl; then
# Looks like a MacOSX system
NUM_CORES=`/usr/sbin/sysctl -n hw.ncpu`
FOUND_CORES=yes
elif test "x$OPENJDK_BUILD_OS" = xaix ; then
NUM_LCPU=`lparstat -m 2> /dev/null | $GREP -o "lcpu=[[0-9]]*" | $CUT -d "=" -f 2`
if test -n "$NUM_LCPU"; then
NUM_CORES=$NUM_LCPU
FOUND_CORES=yes
fi
elif test -n "$NUMBER_OF_PROCESSORS"; then
# On windows, look in the env
NUM_CORES=$NUMBER_OF_PROCESSORS
FOUND_CORES=yes
fi
if test "x$FOUND_CORES" = xyes; then
AC_MSG_RESULT([$NUM_CORES])
else
if test "$NUM_CORES" -eq "0"; then
NUM_CORES=1
AC_MSG_RESULT([could not detect number of cores, defaulting to 1])
AC_MSG_WARN([This will disable all parallelism from build!])
else
AC_MSG_RESULT([$NUM_CORES])
fi
])