gnunet: work-around libmicrohttpd detection

Bug filed upstream:
https://gnunet.org/bugs/view.php?id=3805

Once fixed, this patch can be removed.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

net/gnunet/patches/013-work-around-libmicrohttpd-detection.patch

@@ -0,0 +1,68 @@
+Index: gnunet-0.10.1-svn35844/configure.ac
+===================================================================
+--- gnunet-0.10.1-svn35844.orig/configure.ac
++++ gnunet-0.10.1-svn35844/configure.ac
+@@ -854,14 +854,7 @@ AC_ARG_WITH(microhttpd,
+         AC_CHECK_HEADERS([microhttpd.h],
+ 	  AC_CHECK_DECL(MHD_OPTION_PER_IP_CONNECTION_LIMIT,
+             AC_CHECK_LIB([microhttpd], [MHD_get_fdset2],
+-              [AC_MSG_CHECKING([for libmicrohttpd >= 0.9.32])
+-              AC_RUN_IFELSE([AC_LANG_SOURCE([
+-                #include "$native_srcdir/src/include/platform.h"
+-                #include <microhttpd.h>
+-                int main () { return MHD_VERSION >= 0x0093200 ? 0 : 1; }
+-               ])], [
+-               AC_MSG_RESULT(ok)
+-               lmhd=1],[AC_MSG_RESULT(failed)],lmhd=0)]),
++              ),
+ 	    [],[#include "$native_srcdir/src/include/platform.h"
+                 #include <microhttpd.h>]),,
+             [#include "$native_srcdir/src/include/platform.h"])
+@@ -873,14 +866,7 @@ AC_ARG_WITH(microhttpd,
+ 	  AC_CHECK_DECL(MHD_OPTION_PER_IP_CONNECTION_LIMIT,
+             AC_CHECK_LIB([microhttpd], [MHD_get_fdset2],
+               EXT_LIB_PATH="-L$with_microhttpd/lib $EXT_LIB_PATH"
+-              [AC_MSG_CHECKING([for libmicrohttpd >= 0.9.32])
+-               AC_RUN_IFELSE([AC_LANG_SOURCE([
+-                #include "$native_srcdir/src/include/platform.h"
+-                #include <microhttpd.h>
+-                int main () { return MHD_VERSION >= 0x0093200 ? 0 : 1; }
+-               ])], [
+-               AC_MSG_RESULT(ok)
+-               lmhd=1],[AC_MSG_RESULT(failed)],lmhd=0)]),
++              ),
+ 	    [],[#include "$native_srcdir/src/include/platform.h"
+                 #include <microhttpd.h>]),,
+             [#include "$native_srcdir/src/include/platform.h"])
+@@ -891,19 +877,12 @@ AC_ARG_WITH(microhttpd,
+     AC_CHECK_HEADERS([microhttpd.h],
+       AC_CHECK_DECL(MHD_OPTION_PER_IP_CONNECTION_LIMIT,
+         AC_CHECK_LIB([microhttpd], [MHD_get_fdset2],
+-          [AC_MSG_CHECKING([for libmicrohttpd >= 0.9.32])
+-              AC_RUN_IFELSE([AC_LANG_SOURCE([
+-                #include "$native_srcdir/src/include/platform.h"
+-		#include <microhttpd.h>
+-                int main () { return MHD_VERSION >= 0x0093200 ? 0 : 1; }
+-               ])], [
+-               AC_MSG_RESULT(ok)
+-               lmhd=1],[AC_MSG_RESULT(failed)],lmhd=0)]),
++	),
+ 	[],[#include "$native_srcdir/src/include/platform.h"
+             #include <microhttpd.h>]),,
+        [#include "$native_srcdir/src/include/platform.h"])])
+-AM_CONDITIONAL(HAVE_MHD, test x$lmhd = x1)
+-AC_DEFINE_UNQUOTED([HAVE_MHD], $lmhd, [We have libmicrohttpd])
++AM_CONDITIONAL(HAVE_MHD, test x1 = x1)
++AC_DEFINE_UNQUOTED([HAVE_MHD], 1, [We have libmicrohttpd])
+ 
+ 
+ # restore LIBS
+@@ -1655,7 +1634,7 @@ then
+ fi
+ 
+ # MHD
+-if test "x$lmhd" != "x1"
++if test "x1" != "x1"
+ then
+  AC_MSG_NOTICE([NOTICE: libmicrohttpd not found, http transport will not be installed.])
+ fi