build also without logging in icecc

Look for the newly introduced logging.h header in icecc, and enable the
logging bits only when it is present.

This makes sure icemon can be built with icecc 1.0.x.

CMakeLists.txt

@@ -6,6 +6,7 @@ set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake/mod
 
 include(GNUInstallDirs)
 include(KDE4Macros-Icecream)
+include(CheckIncludeFileCXX)
 
 # version info
 set(ICEMON_VERSION_MAJOR "2")
@@ -43,6 +44,8 @@ include_directories(
     ${CMAKE_CURRENT_BINARY_DIR} # config-icemon.h
 )
 
+check_include_file_cxx(icecc/logging.h ICECC_HAVE_LOGGING_H)
+
 set(
   INSTALL_TARGETS_DEFAULT_ARGS
   RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}

config-icemon.h.cmake

@@ -1,2 +1,3 @@
 #define ICEMON_VERSION_STRING "@ICEMON_VERSION_STRING@"
+#cmakedefine ICECC_HAVE_LOGGING_H 1
 

src/icecreammonitor.cc

@@ -26,8 +26,12 @@
 #include "hostinfo.h"
 #include "statusview.h"
 
+#include <config-icemon.h>
+
 #include <icecc/comm.h>
+#ifdef ICECC_HAVE_LOGGING_H
 #include <icecc/logging.h>
+#endif
 
 #include <qdebug.h>
 
@@ -359,6 +363,7 @@ void IcecreamMonitor::setSchedulerState( bool online )
 
 void IcecreamMonitor::setupDebug()
 {
+#ifdef ICECC_HAVE_LOGGING_H
     char *env = getenv("ICECC_DEBUG");
     int debug_level = Error;
 
@@ -379,6 +384,7 @@ void IcecreamMonitor::setupDebug()
     }
 
     setup_debug(debug_level, logfile, "ICEMON");
+#endif
 }
 
 #include "icecreammonitor.moc"