find and use libudis86 properly in l4-sys experiment

git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@1393 8c4709b5-6ec9-48aa-a5cd-a96041d1645a

cmake/FindLibUdis86.cmake

@@ -0,0 +1,21 @@
+# - Try to find udis86 library (udis86.sourceforge.net)
+# Once done this will define
+#
+#  LIBUDIS86_FOUND - system has libudis86
+#  LIBUDIS86_INCLUDE_DIRS - the libudis86 include directory
+#  LIBUDIS86_LIBRARIES - Link these to use libudis86
+#  LIBUDIS86_DEFINITIONS - Compiler switches required for using libudis86
+
+FIND_PATH(LIBUDIS86_INCLUDE_DIRS udis86.h)
+
+FIND_LIBRARY(LIBUDIS86_LIBRARIES NAMES udis86
+	PATHS /usr/lib /usr/local/lib /opt/local/lib
+	ENV LIBRARY_PATH   # PATH and LIB will also work
+	ENV LD_LIBRARY_PATH)
+
+# handle the QUIETLY and REQUIRED arguments and set LIBUDIS86_FOUND to TRUE if 
+# all listed variables are TRUE
+INCLUDE(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(libudis86 DEFAULT_MSG LIBUDIS86_LIBRARIES LIBUDIS86_INCLUDE_DIRS)
+
+MARK_AS_ADVANCED(LIBUDIS86_INCLUDE_DIRS LIBUDIS86_LIBRARIES)

src/experiments/l4-sys/CMakeLists.txt

@@ -27,7 +27,11 @@ PROTOBUF_GENERATE_CPP(PROTO_SRCS PROTO_HDRS ${MY_PROTOS})
 
 ## Build library
 add_library(${EXPERIMENT_NAME} ${PROTO_SRCS} ${PROTO_HDRS} ${MY_CAMPAIGN_SRCS})
-target_link_libraries(${EXPERIMENT_NAME} udis86)
+
+find_package(LibUdis86 REQUIRED)
+include_directories(${LIBUDIS86_INCLUDE_DIRS})
+link_directories(${LIBUDIS86_LINK_DIRS})
+target_link_libraries(${EXPERIMENT_NAME} ${LIBUDIS86_LIBRARIES})
 
 ## This is the example's campaign server distributing experiment parameters
 add_executable(${EXPERIMENT_NAME}-server main.cc)

src/experiments/l4-sys/experiment.cc

@@ -20,6 +20,10 @@
 
 #include "l4sys.pb.h"
 
+// FIXME libudis86 test -- remove me
+#include <udis86.h>
+void foo() { ud_t x; ud_init(&x); }
+
 using namespace std;
 using namespace fail;