Added support for probing libcurl for CURLINFO_HTTP_CODE in cmake.

Author: WardF

CMakeLists.txt

@@ -810,6 +810,12 @@ IF(ENABLE_DAP)
   #include <curl/curl.h>
   int main() {int x = CURLOPT_CHUNK_BGN_FUNCTION;}" HAVE_CURLOPT_CHUNK_BGN_FUNCTION)
 
+  # Check to see if CURLINFO_HTTP_CODE is defined.
+  # It showed up in curl 7.10.7.
+  CHECK_C_SOURCE_COMPILES("
+  #include <curl/curl.h>
+  int main() {int x = CURLINFO_HTTP_CODE;}" HAVE_CURLINFO_HTTP_CODE)
+
 ELSE()
   SET(ENABLE_DAP2 OFF)
   SET(ENABLE_DAP4 OFF)

config.h.cmake.in

@@ -151,6 +151,9 @@ are set when opening a binary file on Windows. */
 /* Is CURLINFO_RESPONSE_CODE defined */
 #cmakedefine HAVE_CURLINFO_RESPONSE_CODE 1
 
+/* Is CURLINFO_HTTP_CODE defined */
+#cmakedefine HAVE_CURLINFO_HTTP_CODE 1
+
 /* Is CURLOPT_CHUNK_BGN_FUNCTION defined */
 #cmakedefine HAVE_CURLOPT_CHUNK_BGN_FUNCTION 1