From e9fd5f9e893ef5cedc92acd38d67b901a8120885 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Franz=20P=C3=B6schel?= <franz.poeschel@gmail.com>
Date: Thu, 30 Nov 2023 11:51:23 -0500
Subject: [PATCH] Detect CXI via CMake

---
 cmake/DetectOptions.cmake   | 8 ++++++++
 cmake/check_libfabric_cxi.c | 5 +++++
 2 files changed, 13 insertions(+)
 create mode 100644 cmake/check_libfabric_cxi.c

diff --git a/cmake/DetectOptions.cmake b/cmake/DetectOptions.cmake
index 9ff1dd0894..4c969288f6 100644
--- a/cmake/DetectOptions.cmake
+++ b/cmake/DetectOptions.cmake
@@ -431,6 +431,14 @@ if(ADIOS2_USE_SST AND NOT WIN32)
     if(CrayDRC_FOUND)
       set(ADIOS2_SST_HAVE_CRAY_DRC TRUE)
     endif()
+
+    try_compile(ADIOS2_SST_HAVE_CRAY_CXI
+      ${ADIOS2_BINARY_DIR}/check_libfabric_cxi
+      ${ADIOS2_SOURCE_DIR}/cmake/check_libfabric_cxi.c
+      CMAKE_FLAGS
+        "-DINCLUDE_DIRECTORIES=${LIBFABRIC_INCLUDE_DIRS}"
+        "-DLINK_DIRECTORIES=${LIBFABRIC_LIBRARIES}")
+    message(STATUS "Libfabric support for the HPE CXI provider: ${ADIOS2_SST_HAVE_CRAY_CXI}")
   endif()
   if(ADIOS2_HAVE_MPI)
     set(CMAKE_REQUIRED_LIBRARIES "MPI::MPI_C;Threads::Threads")
diff --git a/cmake/check_libfabric_cxi.c b/cmake/check_libfabric_cxi.c
new file mode 100644
index 0000000000..2118ff4bc4
--- /dev/null
+++ b/cmake/check_libfabric_cxi.c
@@ -0,0 +1,5 @@
+#include <stdbool.h>
+#include <rdma/fabric.h>
+#include <rdma/fi_cxi_ext.h>
+
+int main() {}
\ No newline at end of file