Index: trunk/psLib/configure.ac
===================================================================
--- trunk/psLib/configure.ac	(revision 3218)
+++ trunk/psLib/configure.ac	(revision 3219)
@@ -7,5 +7,5 @@
 
 dnl Setup CFLAGS with project-particulars
-CFLAGS="${CFLAGS=} -std=c99"
+CFLAGS="${CFLAGS=} -std=c99 -D_GNU_SOURCE"
 SUBDIR="etc src test" dnl don't include 'swig', as it is optional
 AH_VERBATIM([_GNU_SOURCE], 
@@ -20,11 +20,10 @@
 
 dnl handle debug building
-AC_ARG_ENABLE(debug,
-  [AC_HELP_STRING([--enable-debug],[enable debug information])],
-  [AC_MSG_RESULT(debug information enabled)
-   AC_DEFINE(DEBUG,[], [debug information requested])
-   CFLAGS="${CFLAGS=} -O0 -g"],
-  [AC_MSG_RESULT(debug information disabled)
-   CFLAGS="${CFLAGS=} -O "]
+AC_ARG_ENABLE(optimize,
+  [AC_HELP_STRING([--enable-optimize],[enable compiler optimization])],
+  [AC_MSG_RESULT(compile optimization enabled)
+   CFLAGS="${CFLAGS=} -O2"],
+  [AC_MSG_RESULT([compile optimization disabled])
+   CFLAGS="${CFLAGS=} -O0 -g"]
 )
 
@@ -36,6 +35,4 @@
 AC_PROG_INSTALL
 AC_PROG_LIBTOOL
-AC_CHECK_FUNC(strtoll)
-AC_CHECK_FUNC(strtoull)
 
 AC_PREFIX_DEFAULT([`pwd`])
@@ -138,7 +135,7 @@
 dnl ---------------- PERLPREFIX option -------------------
   AC_ARG_WITH(perlprefix,
-    [AC_HELP_STRING([--with-perlprefix=DIR],[Specify prefix of Perl Module's installation.])],
+    [AC_HELP_STRING([--with-perlprefix=DIR],[Specify prefix of Perl Module's installation. (default=PREFIX)])],
     [PERL_PREFIX="$withval"],
-    [PERL_PREFIX=""])
+    [PERL_PREFIX="$prefix"])
     AC_SUBST(PERL_PREFIX,$PERL_PREFIX)
 fi
@@ -153,7 +150,7 @@
 
 CFLAGS="${CFLAGS=} -Wall -Werror"
-CFLAGS="${CFLAGS=}  -DCONFIG_FILE=\\"$sysconfdir/pslib/psTime.config\\""
-CFLAGS="${CFLAGS=}  -DXML_CONFIG_FILE=\\"$sysconfdir/pslib/psTime.xml\\""
-CFLAGS="${CFLAGS=}  -DUTC_DAT_FILE=\\"$datadir/pslib/tai_utc.dat\\""
+CFLAGS="${CFLAGS=}  -DCONFIG_FILE=\\\"$sysconfdir/pslib/psTime.config\\\""
+CFLAGS="${CFLAGS=}  -DXML_CONFIG_FILE=\\\"$sysconfdir/pslib/psTime.xml\\\""
+CFLAGS="${CFLAGS=}  -DUTC_DAT_FILE=\\\"$datadir/pslib/tai_utc.dat\\\""