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-rw-r--r--configure.ac10
1 files changed, 10 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index a00aab9..32ae02c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1452,6 +1452,7 @@ if test "x$abi" != "xpecoff" ; then
[AC_SEARCH_LIBS([pthread_create], , ,
AC_MSG_ERROR([libpthread is missing]))])
wrap_syms="${wrap_syms} pthread_create"
+ have_pthread="1"
dnl Check if we have dlsym support.
have_dlsym="1"
AC_CHECK_HEADERS([dlfcn.h],
@@ -1934,6 +1935,15 @@ if test "x${enable_zone_allocator}" = "x1" ; then
fi
dnl ============================================================================
+dnl Enable background threads if possible.
+
+if test "x${have_pthread}" = "x1" -a "x${have_dlsym}" = "x1" \
+ -a "x${je_cv_os_unfair_lock}" != "xyes" \
+ -a "x${je_cv_osspin}" != "xyes" ; then
+ AC_DEFINE([JEMALLOC_BACKGROUND_THREAD])
+fi
+
+dnl ============================================================================
dnl Check for glibc malloc hooks
JE_COMPILABLE([glibc malloc hook], [