File cgminer_use_system_libjansson.patch of Package cgminer

--- a/Makefile.am
+++ b/Makefile.am
@@ -1,7 +1,7 @@
 
 ACLOCAL_AMFLAGS = -I m4
 
-JANSSON_INCLUDES= -I$(top_builddir)/compat/jansson-2.5/src -I$(top_srcdir)/compat/jansson-2.5/src
+JANSSON_INCLUDES= -I/usr/include
 
 if WANT_USBUTILS
 USBUTILS_INCLUDES = -I$(top_builddir)/compat/libusb-1.0/libusb -I$(top_srcdir)/compat/libusb-1.0/libusb
@@ -16,7 +16,7 @@ EXTRA_DIST	= example.conf linux-usb-cgmi
 		  bitforce-firmware-flash.c hexdump.c ASIC-README \
 		  01-cgminer.rules
 
-SUBDIRS		= lib compat ccan
+SUBDIRS		= lib ccan
 
 INCLUDES	= $(PTHREAD_FLAGS) -fno-strict-aliasing $(JANSSON_INCLUDES) $(USBUTILS_INCLUDES)
 
--- a/configure.ac
+++ b/configure.ac
@@ -309,7 +309,7 @@ fi
 AM_CONDITIONAL([WANT_STATIC_LIBUSB], [test x$dlibusb = xno])
 
 AC_CONFIG_SUBDIRS([compat/jansson-2.5])
-JANSSON_LIBS="compat/jansson-2.5/src/.libs/libjansson.a"
+JANSSON_LIBS="-ljansson"
 
 PKG_PROG_PKG_CONFIG()