[GNUnet-SVN] [taler-exchange] branch master updated: update libgnurl detection

[gnunet]

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dold pushed a commit to branch master
in repository exchange.

The following commit(s) were added to refs/heads/master by this push:
     new ac8ccd41 update libgnurl detection
ac8ccd41 is described below

commit ac8ccd41837c5e85c5c2e1b3b388bde02cc655a7
Author: Florian Dold <address@hidden>
AuthorDate: Thu Aug 16 16:19:45 2018 +0200

    update libgnurl detection
---
 m4/libgnurl.m4 | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/m4/libgnurl.m4 b/m4/libgnurl.m4
index 69aa1660..da72e5e8 100644
--- a/m4/libgnurl.m4
+++ b/m4/libgnurl.m4
@@ -159,6 +159,22 @@ x=CURLOPT_STDERR;
 x=CURLOPT_VERBOSE;
 ])],libgnurl_cv_lib_gnurl_usable=yes,libgnurl_cv_lib_gnurl_usable=no)
 
+# BEGIN Changes from original libcurl.m4:
+# Give it a 2nd shot using 'gnurl/curl.h'
+           AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <gnurl/curl.h>],[
+/* Try and use a few common options to force a failure if we are
+   missing symbols or can't link. */
+int x;
+curl_easy_setopt(NULL,CURLOPT_URL,NULL);
+x=CURL_ERROR_SIZE;
+x=CURLOPT_WRITEFUNCTION;
+x=CURLOPT_FILE;
+x=CURLOPT_ERRORBUFFER;
+x=CURLOPT_STDERR;
+x=CURLOPT_VERBOSE;
+])],libgnurl_cv_lib_gnurl_usable=yes)
+# END Changes from original libcurl.m4:
+
            CPPFLAGS=$_libgnurl_save_cppflags
            LIBS=$_libgnurl_save_libs
            unset _libgnurl_save_cppflags

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