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-rw-r--r--libstdc++-v3/configure.ac3
1 files changed, 3 insertions, 0 deletions
diff --git a/libstdc++-v3/configure.ac b/libstdc++-v3/configure.ac
index eb2fe85..8f85307 100644
--- a/libstdc++-v3/configure.ac
+++ b/libstdc++-v3/configure.ac
@@ -174,6 +174,9 @@ AC_CHECK_HEADERS(sys/sysinfo.h)
GLIBCXX_CHECK_GET_NPROCS
AC_CHECK_HEADERS(unistd.h)
GLIBCXX_CHECK_SC_NPROCESSORS_ONLN
+GLIBCXX_CHECK_SC_NPROC_ONLN
+GLIBCXX_CHECK_PTHREADS_NUM_PROCESSORS_NP
+GLIBCXX_CHECK_SYSCTL_HW_NCPU
# Check for available headers.
AC_CHECK_HEADERS([endian.h execinfo.h float.h fp.h ieeefp.h inttypes.h \