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| author |   Pierre Pfister <ppfister@cisco.com> | 2018-08-20 14:59:45 +0200 |
|---|---|---|
| committer |   Damjan Marion <dmarion@me.com> | 2018-08-20 14:43:01 +0000 |
| commit | 0af1852eed2f4f893878e2b1656e6a7819ea0c41 (patch) | |
| tree | 933016f19d4126c60f4896209a3f7f90a7bf9763 | |
| parent | 2ddfe7524001270654c2027378b05f10e527eb5c (diff) | |
Detect support for memfd_create at compilation
Compilation was failing on systems without memfd_create.
This uses check_c_source_compiles to check whether the memfd_create
function is available on the system.
Credits to Damjan for his help troubleshooting.
Change-Id: I136d9504d7978e3a09438d0d76b2de1042702b2c
Signed-off-by: Pierre Pfister <ppfister@cisco.com>
| -rw-r--r-- | src/CMakeLists.txt | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt index 790d6a20477..84971c77ac6 100644 --- a/src/CMakeLists.txt +++ b/src/CMakeLists.txt @@ -118,7 +118,20 @@ find_package(Threads REQUIRED) find_package(OpenSSL REQUIRED) include_directories(${OPENSSL_INCLUDE_DIR}) -add_definitions(-DHAVE_MEMFD_CREATE -DVPP_API_TEST_BUILTIN=1) +add_definitions(-DVPP_API_TEST_BUILTIN=1) + +############################################################################## +# 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() ############################################################################## # API |