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|
#!/bin/bash
# ===========================================================================
#
# PUBLIC DOMAIN NOTICE
# National Center for Biotechnology Information
#
# This software/database is a "United States Government Work" under the
# terms of the United States Copyright Act. It was written as part of
# the author's official duties as a United States Government employee and
# thus cannot be copyrighted. This software/database is freely available
# to the public for use. The National Library of Medicine and the U.S.
# Government have not placed any restriction on its use or reproduction.
#
# Although all reasonable efforts have been taken to ensure the accuracy
# and reliability of the software and data, the NLM and the U.S.
# Government do not and cannot warrant the performance or results that
# may be obtained by using this software or data. The NLM and the U.S.
# Government disclaim all warranties, express or implied, including
# warranties of performance, merchantability or fitness for any particular
# purpose.
#
# Please cite the author in any work or product based on this material.
#
# ===========================================================================
# ===========================================================================
# input library types, and their handling
#
# normal linkage
# -l : find shared or static
# -s : require static
# -d : ignore - will be dynamically loaded
#
# static linkage
# -l : require static
# -s : require static
# -d : require static
# ===========================================================================
# script name
SELF_NAME="$(basename $0)"
BUILD_DIR="$(dirname $0)"
# parameters and common functions
source "${0%exe.sh}cmn.sh"
# discover tool chain
case "$LD" in
cc)
source "${0%exe.sh}cc.sh"
;;
gcc)
source "${0%sun.exe.sh}linux.gcc.sh"
;;
*)
echo "$SELF_NAME: unrecognized ld tool - '$LD'"
exit 5
esac
# EXE_CMD was started in tool-specific source
CMD="$EXE_CMD $LDFLAGS"
# if building a static executable against dynamic libraries
# the main application will substitute for name lookup
if [ $STATIC -eq 1 ] && [ $DYLD -eq 1 ]
then
# CMD="$CMD $LD_EXPORT_GLOBAL $LD_MULTIPLE_DEFS"
CMD="$CMD $LD_EXPORT_GLOBAL"
fi
# tack on object files
CMD="$CMD $OBJS"
# list of static libraries used to create executable
SLIBS=''
# initial dependency upon Makefile and vers file
DEPS="$SRCDIR/Makefile $VERSFILE"
if [ "$LIBS" != "" ]
then
# tack on paths
DIRS="$LDIRS:$XDIRS"
while [ "$DIRS" != "" ]
do
DIR="${DIRS%%:*}"
[ "$DIR" != "" ] && CMD="$CMD -L$DIR"
DIRS="${DIRS#$DIR}"
DIRS="${DIRS#:}"
done
# update LD_LIBRARY_PATH
unset LD_LIBRARY_PATH
export LD_LIBRARY_PATH="$LDIRS:$XDIRS"
# tack on libraries, finding as we go
for LIB in $LIBS
do
# strip off switch
LIBNAME="${LIB#-[lsd]}"
# look at linkage
case "$LIB" in
-ldl|-ddl)
# always load libdl as shared library
load-ref-symbols
load-dynamic
CMD="$CMD -ldl"
;;
-l*)
# normal or dynamic linkage
FOUND=0
if [ $STATIC -eq 0 ]
then
find-lib $LIBNAME.so $LDIRS
if [ "$LIBPATH" != "" ]
then
# found it
FOUND=1
# load dynamic
load-dynamic
CMD="$CMD -l$LIBNAME"
fi
fi
# try static only
if [ $FOUND -eq 0 ]
then
find-lib $LIBNAME.a $LDIRS
if [ "$LIBPATH" != "" ]
then
# found it
FOUND=1
# add it to dependencies
DEPS="$DEPS $LIBPATH"
SLIBS="$SLIBS $(dirname $LIBPATH)/lib$LIBNAME.a"
# load static
load-static
[ $STATIC -eq 1 ] && load-all-symbols
CMD="$CMD -l$LIBNAME"
fi
fi
# not found within our directories
if [ $FOUND -eq 0 ]
then
# do not need to load all symbols for external libs
[ $STATIC -eq 1 ] && load-ref-symbols
if [ $STATICSYSLIBS -eq 1 ]
then
case "$LIBNAME" in
z|bz2)
# set load to static
load-static
;;
*)
# set load to dynamic
load-dynamic
;;
esac
else
# set load to normal
load-dynamic
fi
CMD="$CMD -l$LIBNAME"
fi
;;
-s*)
# force static load
FOUND=0
find-lib $LIBNAME.a $LDIRS
if [ "$LIBPATH" != "" ]
then
# found it
FOUND=1
# add it to dependencies
DEPS="$DEPS $LIBPATH"
SLIBS="$SLIBS $(dirname $LIBPATH)/lib$LIBNAME.a"
# load static
load-static
[ $STATIC -eq 1 ] && load-all-symbols
CMD="$CMD -l$LIBNAME"
fi
# not found within our directories
if [ $FOUND -eq 0 ]
then
# do not need to load all symbols for external libs
[ $STATIC -eq 1 ] && load-ref-symbols
if [ $STATIC -eq 1 ] || [ $STATICSYSLIBS -eq 1 ]
then
# set load to static
load-static
else
# special case for libs we have in "ext"
# that are sometimes requested as static
case "$LIBNAME" in
z|bz2)
# set load to dynamic
load-dynamic
;;
*)
load-static
;;
esac
fi
CMD="$CMD -l$LIBNAME"
fi
;;
-d*)
FOUND=0
if [ $STATIC -eq 1 ]
then
find-lib $LIBNAME.a $LDIRS
if [ "$LIBPATH" != "" ]
then
# found it
FOUND=1
# add it to dependencies
DEPS="$DEPS $LIBPATH"
SLIBS="$SLIBS $(dirname $LIBPATH)/lib$LIBNAME.a"
# load static
load-static
load-all-symbols
CMD="$CMD -l$LIBNAME"
fi
# not found within our directories
if [ $FOUND -eq 0 ]
then
load-static
load-all-symbols
CMD="$CMD -l$LIBNAME"
fi
fi
;;
esac
done
fi
# return to normal
load-ref-symbols
load-dynamic
# add in pthreads
if [ $THREADS -ne 0 ]
then
CMD="$CMD -lpthread"
fi
# produce shared library
echo $CMD
$CMD || exit $?
# produce dependencies
if [ "$DEPFILE" != "" ]
then
echo "$TARG: $DEPS" > "$DEPFILE"
fi
|
