From 758ba58c81273d9075a539216f8a322935c2e434 Mon Sep 17 00:00:00 2001
From: Paul Cercueil <paul@crapouillou.net>
Date: Fri, 12 Nov 2021 16:49:21 +0000
Subject: [PATCH] CMake: Move include(CheckCSourceCompiles) before its macros
 are used

Move include(CheckCSourceCompiles) before any of the
check_c_source_compiles() macros is called.

This fixes a CMake error when compiling with WITH_NETWORK_GET_BUFFER
disabled.

Upstream-Status: Accepted [https://github.com/analogdevicesinc/libiio/commit/758ba58c81273d9075a539216f8a322935c2e434]

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
---
 CMakeLists.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7437136c8210..05b4feff233b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -296,9 +296,10 @@ if(WITH_NETWORK_BACKEND)
 	endif()
 
 	if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
+		include(CheckCSourceCompiles)
+
 		option(WITH_NETWORK_GET_BUFFER "Enable experimental zero-copy transfers" OFF)
 		if (WITH_NETWORK_GET_BUFFER)
-			include(CheckCSourceCompiles)
 			check_c_source_compiles("#define _GNU_SOURCE=1\n#include <fcntl.h>\nint main(void) { return O_TMPFILE; }"
 				HAS_O_TMPFILE)
 
-- 
2.34.1