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-rw-r--r--src/cmake/memfd.cmake26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/cmake/memfd.cmake b/src/cmake/memfd.cmake
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index 00000000000..ca499c459ab
--- /dev/null
+++ b/src/cmake/memfd.cmake
@@ -0,0 +1,26 @@
+# Copyright (c) 2018 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+##############################################################################
+# Check for memfd_create headers and libs
+##############################################################################
+check_c_source_compiles("
+ #define _GNU_SOURCE
+ #include <sys/mman.h>
+ int main() { return memfd_create (\"/dev/false\", 0); }
+" HAVE_MEMFD_CREATE)
+
+if (HAVE_MEMFD_CREATE)
+ add_definitions(-DHAVE_MEMFD_CREATE)
+endif()
+