LU-3382 build: clean unused link dependencies

[fs/lustre-release.git] / lustre / liblustre / genlib.sh

diff --git a/lustre/liblustre/genlib.sh b/lustre/liblustre/genlib.sh
index 52b4b88..a80ebeb 100755 (executable)
--- a/lustre/liblustre/genlib.sh
+++ b/lustre/liblustre/genlib.sh
@@ -1,55 +1,114 @@
 #!/bin/bash
+#set -xv
+set -e
 
 #
 # This script is to generate lib lustre library as a whole. It will leave
 # two files on current directory: liblustre.a and liblustre.so.
-# Integrate them into Makefile.am later
+#
+# Most concern here is the libraries linking order
+#
+# FIXME: How to do this cleanly use makefile?
 #
 
-AR=/usr/bin/ar
-LD=/usr/bin/ld
+# see http://osdir.com/ml/gmane.comp.gnu.binutils.bugs/2006-01/msg00016.php
+ppc64_CPU=`uname -p`
+if [ "x${ppc64_CPU}" = "xppc64" ]; then
+       LD="$CC -m64"
+else
+       LD=$CC
+fi
 
 CWD=`pwd`
 
 SYSIO=$1
+LIBS=$2
+LND_LIBS=$3
+PTHREAD_LIBS=$4
+CAP_LIBS=$5
+
+if [ ! -f $SYSIO/lib/libsysio.a ]; then
+  echo "ERROR: $SYSIO/lib/libsysio.a dosen't exist"
+  exit 1
+fi
+
+# do cleanup at first
+rm -f liblustre.so
 
 ALL_OBJS=
 
 build_obj_list() {
-  _objs=`$AR -t $1/$2`
+       _objs=`$AR -t $1/$2 | grep -v SYMDEF | grep -v SORTED`
   for _lib in $_objs; do
-  ALL_OBJS=$ALL_OBJS"$1/$_lib ";
+    ALL_OBJS=$ALL_OBJS"$1/$_lib ";
   done;
 }
 
+#
+# special treatment for libsysio
+#
+sysio_tmp=$CWD/sysio_tmp_`date +%s`
+rm -rf $sysio_tmp
+build_sysio_obj_list() {
+  _objs=`$AR -t $1 | grep -v SYMDEF | grep -v SORTED`
+  mkdir -p $sysio_tmp
+  cd $sysio_tmp
+  $AR -x $1
+  cd ..
+  for _lib in $_objs; do
+    ALL_OBJS=$ALL_OBJS"$sysio_tmp/$_lib ";
+  done
+}
+
 # lustre components libs
 build_obj_list . libllite.a
 build_obj_list ../lov liblov.a
 build_obj_list ../obdecho libobdecho.a
 build_obj_list ../osc libosc.a
+build_obj_list ../lmv liblmv.a
 build_obj_list ../mdc libmdc.a
-build_obj_list ../ldlm libldlm.a
+build_obj_list ../fid libfid.a
+build_obj_list ../fld libfld.a
+build_obj_list ../mgc libmgc.a
 build_obj_list ../ptlrpc libptlrpc.a
 build_obj_list ../obdclass liblustreclass.a
-build_obj_list ../lvfs liblvfs.a
 
-# portals components libs
-build_obj_list ../portals/utils libptlctl.a
-build_obj_list ../portals/unals libtcpnal.a
-build_obj_list ../portals/portals libportals.a
+# lnet components libs
+build_obj_list ../../lnet/utils libuptlctl.a
+build_obj_list ../../libcfs/libcfs libcfs.a
+build_obj_list ../../libcfs/libcfs libcfsutil.a
+if $(echo "$LND_LIBS" | grep "socklnd" >/dev/null) ; then
+       build_obj_list ../../lnet/ulnds/socklnd libsocklnd.a
+fi
+build_obj_list ../../lnet/lnet liblnet.a
 
-# libsysio components libs
-build_obj_list $SYSIO/drivers/native libsysio_native.a
-build_obj_list $SYSIO/drivers/sockets libsysio_sockets.a
-build_obj_list $SYSIO/src libsysio.a
-build_obj_list $SYSIO/dev/stdfd libsysio_stdfd.a
+# create static lib lsupport
+rm -f $CWD/liblsupport.a
+$AR -cru $CWD/liblsupport.a $ALL_OBJS
+$RANLIB $CWD/liblsupport.a
 
+# if libsysio is already in our LIBS we don't need to link against it here
+if $(echo "$LIBS" | grep -v -- "-lsysio" >/dev/null) ; then
+       build_sysio_obj_list $SYSIO/lib/libsysio.a
+fi
 
-# create static lib
+# create static lib lustre
 rm -f $CWD/liblustre.a
-$AR -r $CWD/liblustre.a $ALL_OBJS
+$AR -cru $CWD/liblustre.a $ALL_OBJS
+$RANLIB $CWD/liblustre.a
 
-# create shared lib
+# create shared lib lustre
 rm -f $CWD/liblustre.so
-$LD -shared -o $CWD/liblustre.so -init __liblustre_setup_ -fini __liblustre_cleanup_ \
-       $ALL_OBJS -lpthread
+OS=`uname`
+if test x$OS = xAIX; then
+       $LD $LDFLAGS -shared -o $CWD/liblustre.so $ALL_OBJS -lpthread -Xlinker -bnoipath ../../libsyscall.so
+else
+# using -nostdlib on Ubuntu causes errors such as:
+#./llite_lib.o: In function `liblustre_process_log':
+#/home/brian/rpm/BUILD/lustre-1.8.2.50/lustre/liblustre/llite_lib.c:234: undefined reference to `__stack_chk_fail_local'
+# due to the use of SSP
+#$LD -shared -nostdlib -o $CWD/liblustre.so $ALL_OBJS $CAP_LIBS $PTHREAD_LIBS
+       $LD $LDFLAGS -shared -o $CWD/liblustre.so $ALL_OBJS $CAP_LIBS $PTHREAD_LIBS
+fi
+
+rm -rf $sysio_tmp