--- qsampler/trunk/configure.ac	2014/01/24 16:34:11	2511
+++ qsampler/trunk/configure.ac	2014/06/16 19:31:33	2642
@@ -1,5 +1,5 @@
 # Process this file with autoconf to produce a configure script.
-AC_INIT(Qsampler, 0.2.3.1, rncbc@rncbc.org, qsampler)
+AC_INIT(Qsampler, 0.2.3.9, rncbc@rncbc.org, qsampler)
 
 AC_CONFIG_SRCDIR(src/qsampler.cpp)
 AC_CONFIG_HEADERS(src/config.h)
@@ -62,7 +62,11 @@
 
 
 # Standard installation base dirs.
-ac_with_paths="/usr /usr/local"
+if test "$cross_compiling" = yes; then
+  ac_with_paths=""
+else
+  ac_with_paths="/usr /usr/local"
+fi
 
 # Set for alternate Qt installation dir.
 AC_ARG_WITH(qt,
@@ -79,6 +83,12 @@
   AC_HELP_STRING([--with-libgig=PATH], [use alternate libgig install path]),
   [ac_with_paths="$ac_with_paths $withval"])
 
+
+# Honor user specified flags.
+ac_cflags=$CFLAGS
+ac_ldflags=$LDFLAGS
+
+
 # Checks for programs.
 AC_PROG_CC
 AC_PROG_CPP
@@ -90,6 +100,7 @@
 AC_LANG_C
 AC_LANG_CPLUSPLUS
 
+PKG_PROG_PKG_CONFIG
 
 # Check for proper flags.
 ac_arch=`uname -m`
@@ -343,29 +354,15 @@
 
 # Check for optional libraries.
 if test "x$ac_libgig" = "xyes"; then
-   AC_CHECK_LIB(gig, main, [ac_libgig="yes"], [ac_libgig="no"])
+   PKG_CHECK_MODULES(LIBGIG, gig >= 3.3.0, [ac_libgig="yes"], [ac_libgig="no"])
+   AC_SUBST(LIBGIG_CFLAGS)
+   AC_SUBST(LIBGIG_LIBS)
+   ac_cflags="$ac_cflags $LIBGIG_CFLAGS"
+   ac_libs="$ac_libs $LIBGIG_LIBS"
    if test "x$ac_libgig" = "xyes"; then
       AC_DEFINE(CONFIG_LIBGIG, 1, [Define if libgig is available.])
-      ac_libs="$ac_libs -lgig"
-      AC_MSG_CHECKING([for gig::File::SetAutoLoad() method in libgig])
-      AC_LANG_SAVE
-      AC_LANG_CPLUSPLUS
-      CXXFLAGS="$ac_libs"
-      AC_TRY_COMPILE([
-#include <stdlib.h>
-#include <gig.h>
-      ],[
-    gig::File file;
-    file.SetAutoLoad(false);
-      ],
-      have_libgig_setautoload="yes",
-      have_libgig_setautoload="no"
-      )
-      AC_LANG_RESTORE
-      AC_MSG_RESULT([$have_libgig_setautoload])
-      if test "x$have_libgig_setautoload" = "xyes"; then
-          AC_DEFINE(HAVE_LIBGIG_SETAUTOLOAD, 1, [Define if libgig provides gig::File::SetAutoLoad() method.])
-      fi
+      AC_DEFINE(HAVE_LIBGIG_SETAUTOLOAD, 1, [Define if libgig provides gig::File::SetAutoLoad() method.])
+      have_libgig_setautoload="yes"
    fi
 fi
 
@@ -387,6 +384,8 @@
 
 AC_SUBST(ac_libs)
 AC_SUBST(ac_incpath)
+AC_SUBST(ac_cflags)
+AC_SUBST(ac_ldflags)
 
 # Checks for header files.
 AC_HEADER_STDC