--- qsampler/trunk/configure.ac	2016/10/11 15:56:18	3004
+++ qsampler/trunk/configure.ac	2016/10/17 16:23:15	3014
@@ -1,5 +1,5 @@
 # Process this file with autoconf to produce a configure script.
-AC_INIT(Qsampler, 0.4.1.7, rncbc@rncbc.org, qsampler)
+AC_INIT(Qsampler, 0.4.1.8, rncbc@rncbc.org, qsampler)
 
 AC_CONFIG_SRCDIR(src/qsampler.cpp)
 AC_CONFIG_HEADERS(src/config.h)
@@ -9,6 +9,10 @@
 ac_version=$(echo $PACKAGE_VERSION | sed -r 's/^([0-9|\.]+).*$/\1/')
 AC_SUBST(ac_version)
 
+# Build date and time.
+AC_CACHE_VAL([ac_cv_build_date], [ac_cv_build_date=$(date +"%b %d %Y %H:%M %z")])
+AC_DEFINE_UNQUOTED(CONFIG_BUILD_DATE, ["$ac_cv_build_date"], [Build date and time.])
+
 # Set default installation prefix.
 AC_PREFIX_DEFAULT(/usr/local)
 if test "x$prefix" = "xNONE"; then
@@ -131,7 +135,7 @@
 PKG_PROG_PKG_CONFIG
 
 # Check for proper flags.
-ac_arch=`uname -m`
+ac_arch=$(uname -m)
 
 # Check for install paths and alternatives...
 ac_libdirs="lib"
@@ -180,7 +184,7 @@
 fi
 
 # Check for proper Qt4/5 major version.
-ac_qt_version_major=`$ac_qmake -query QT_VERSION | cut -d. -f1`
+ac_qt_version_major=$($ac_qmake -query QT_VERSION | cut -d. -f1)
 if test "x$ac_qt4" = "xyes"; then
    if test "x$ac_qt_version_major" != "x4"; then
       AC_MSG_ERROR([qmake-qt4 $ac_errmsg (qt4-devel)])
@@ -191,7 +195,7 @@
    fi
 fi
 
-ac_qt_install_bins=`$ac_qmake -query QT_INSTALL_BINS`
+ac_qt_install_bins=$($ac_qmake -query QT_INSTALL_BINS)
 if test -d $ac_qt_install_bins; then
    ac_path="$ac_qt_install_bins:$ac_path"
 fi
@@ -205,14 +209,14 @@
 
 AC_SUBST(ac_qmake)
 
-ac_qt_install_headers=`$ac_qmake -query QT_INSTALL_HEADERS`
+ac_qt_install_headers=$($ac_qmake -query QT_INSTALL_HEADERS)
 if test -d $ac_qt_install_headers; then
    CFLAGS="-I$ac_qt_install_headers $CFLAGS "
    CPPFLAGS="-I$ac_qt_install_headers $CPPFLAGS"
    ac_incpath="$ac_qt_install_headers $ac_incpath"
 fi
 
-ac_qt_install_libs=`$ac_qmake -query QT_INSTALL_LIBS`
+ac_qt_install_libs=$($ac_qmake -query QT_INSTALL_LIBS)
 if test -d $ac_qt_install_libs; then
    LIBS="-L$ac_qt_install_libs $LIBS"
    ac_libs="-L$ac_qt_install_libs $ac_libs"
@@ -486,7 +490,7 @@
 # Output summary message
 
 echo
-echo "  $PACKAGE_NAME $PACKAGE_VERSION"
+echo "  $PACKAGE_NAME $PACKAGE_VERSION  ($ac_cv_build_date)"
 echo
 echo "  Build target . . . . . . . . . . . . . . . . . . .: $ac_debug"
 echo