patch-jemalloc

diff --git a/configure b/configure
index 4a8226b..e8cb69a 100755
--- a/configure
+++ b/configure
@@ -4875,6 +4875,11 @@ case "${host}" in
 
 	force_lazy_lock="1"
 	;;
+  *-*-openbsd*)
+	CFLAGS="$CFLAGS"
+	abi="elf"
+	$as_echo "#define JEMALLOC_PURGE_MADVISE_FREE  " >>confdefs.h
+	;;
   *-*-linux*)
 	CFLAGS="$CFLAGS"
 	CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
diff --git a/configure.ac b/configure.ac
index 48863a5..c031fcf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -283,6 +283,11 @@ case "${host}" in
 	AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ])
 	force_lazy_lock="1"
 	;;
+  *-*-openbsd*)
+	CFLAGS="$CFLAGS"
+	abi="elf"
+	AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ])
+	;;
   *-*-linux*)
 	CFLAGS="$CFLAGS"
 	CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"