Merge branch 'scop-grep-E'

[sysstat] / configure.in

diff --git a/configure.in b/configure.in
index efe7978010636e001dd5f1a5783f0285bcd3d24e..7a42cf9d8950c8592b32a865d999764efe66a605 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -4,7 +4,7 @@
 # Modified by Sebastien Godard (sysstat <at> orange.fr)
 
 # Initialization of $PACKAGE_VERSION and $PACKAGE_NAME variables
-AC_INIT(sysstat, 12.5.3)
+AC_INIT(sysstat, 12.5.5)
 
 # Ensure that a recent enough version of Autoconf is being used
 AC_PREREQ(2.53)
@@ -244,6 +244,7 @@ echo .
 #  --disable-stripping      do not strip object files
 #  --enable-copy-only       only copy files when installing sysstat
 #  --enable-use-crond       use standard cron daemon
+#  --enable-lto                    compile with Link Time Optimizations
 #
 # Some influential environment variables:
 #  rcdir         directory where startup scripts are installed
@@ -451,6 +452,25 @@ if test $NLS = "y" && test $LACKING_GETTEXT = "y"; then
 fi
 AC_SUBST(NLS)
 
+# Link Time Optimization
+AC_MSG_CHECKING(Link Time Optimization support)
+AC_ARG_ENABLE(lto,
+             AC_HELP_STRING([--enable-lto],
+                            [enable Link Time Optimization]),
+                            AUX_LTO=$enableval,AUX_LTO=no)
+AC_MSG_RESULT($AUX_LTO)
+LTO="n"
+if test $AUX_LTO = "yes"; then
+       AC_CHECK_PROG(GCC_AR, gcc-ar, gcc-ar)
+       if test x$GCC_AR != x"gcc-ar"; then
+               echo "WARNING: gcc-ar command not found! Disabling LTO support"
+               AUX_LTO="no"
+       else
+               LTO="y"
+       fi
+fi
+AC_SUBST(LTO)
+
 # Data history to keep by sa2
 AC_MSG_CHECKING(number of daily data files to keep)
 AC_ARG_VAR([history],[number of daily data files to keep (default value is 7)])