From 1f7cb7e27bac9b18834402ccff30685f69dd838c Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Thu, 6 Nov 2014 22:22:11 -0500
Subject: curl: Fix detection of headers with dependencies

Restore the check_include_file_concat functionality broken
in upstream curl.  The <net/if.h> header on older OS X versions
depends on <sys/socket.h> begin included first, for example.
---
 Utilities/cmcurl/CMake/Macros.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Utilities/cmcurl/CMake/Macros.cmake b/Utilities/cmcurl/CMake/Macros.cmake
index c770a55..0f8eb57 100644
--- a/Utilities/cmcurl/CMake/Macros.cmake
+++ b/Utilities/cmcurl/CMake/Macros.cmake
@@ -12,7 +12,7 @@ endmacro(CHECK_LIBRARY_EXISTS_CONCAT)
 
 # Check if header file exists and add it to the list.
 macro(CHECK_INCLUDE_FILE_CONCAT FILE VARIABLE)
-  check_include_file("${FILE}" ${VARIABLE})
+  check_include_files("${CURL_INCLUDES};${FILE}" ${VARIABLE})
   if(${VARIABLE})
     set(CURL_INCLUDES ${CURL_INCLUDES} ${FILE})
     set(CURL_TEST_DEFINES "${CURL_TEST_DEFINES} -D${VARIABLE}")
-- 
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