X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fconfigure.in;h=47977cc3569116a293060ebe467a01320b2e6be8;hb=7a7e17d4db28fac1ca4bc333d60cbeb8dbc530d6;hp=88b11e93ab43acdb29208d8100915bf0c61683cc;hpb=aa9dc61dce4b6f2f937a96562accb4be3606a094;p=fs%2Flustre-release.git

diff --git a/lustre/configure.in b/lustre/configure.in
index 88b11e9..47977cc 100644
--- a/lustre/configure.in
+++ b/lustre/configure.in
@@ -31,14 +31,6 @@ AC_ARG_ENABLE([tests],
 	[],[enable_tests='yes'])
 AC_MSG_RESULT([$enable_tests])
 
-AC_MSG_CHECKING([whether to build Lustre library])
-AC_ARG_ENABLE([liblustre],
-	AC_HELP_STRING([--disable-liblustre],
-			[disable building of Lustre library]),
-	[],[enable_liblustre='yes'])
-AC_MSG_RESULT([$enable_liblustre])
-AM_CONDITIONAL(LIBLUSTRE, test x$enable_liblustre = xyes)
-
 # specify wether to build doc or not
 AC_MSG_CHECKING([whether to build docs])
 AC_ARG_ENABLE(doc,
@@ -113,11 +105,43 @@ AC_ARG_WITH([sysio],
 			[set path to libsysio source (default=../libsysio)]),
 	[
 		SYSIO=$with_sysio
+		SYSIO_PATH=$SYSIO
 	],[
 		SYSIO='$(top_srcdir)/../libsysio'
+		SYSIO_PATH='../libsysio'
 	])
-AC_MSG_RESULT([$SYSIO])
-AC_SUBST(SYSIO)
+AC_MSG_RESULT([$SYSIO_PATH])
+
+AC_MSG_CHECKING([libsysio exists and ready for use])
+
+if test -r $SYSIO_PATH/src/libsysio.a; then
+	valid_libsysio=yes
+	AC_MSG_RESULT([yes])
+	AC_SUBST(SYSIO)
+else
+	valid_libsysio=no
+	AC_MSG_RESULT([no])
+fi
+
+AC_MSG_CHECKING([whether to build Lustre library])
+AC_ARG_ENABLE([liblustre],
+	AC_HELP_STRING([--disable-liblustre],
+			[disable building of Lustre library]),
+	[],[enable_liblustre='yes'])
+
+if test x$valid_libsysio != xyes; then
+	enable_liblustre=no
+	AC_MSG_RESULT([$enable_liblustre])
+	
+	echo "Nevertheless liblustre was enabled for build, \
+no valid libsysio is found and liblustre building will be \
+disabled. Make sure that valid libsysio exists and built \
+at $SYSIO_PATH."
+else
+	AC_MSG_RESULT([$enable_liblustre])
+fi
+
+AM_CONDITIONAL(LIBLUSTRE, test x$enable_liblustre = xyes)
 
 #build mpi-tests 
 AC_MSG_CHECKING([whether to build mpitests])