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bug#20364: libtool always outputs "libxml2.la seems to be moved" when ma
From: |
Jan Engelhardt |
Subject: |
bug#20364: libtool always outputs "libxml2.la seems to be moved" when making a C++ library |
Date: |
Sat, 18 Apr 2015 11:48:10 +0200 (CEST) |
User-agent: |
Alpine 2.20 (LSU 67 2015-01-07) |
Observed in libtool-2.4.2:
libtool warns about moved paths, yet, libtool was the one that added
the compiler-specific
/usr/lib64/gcc/x86_64-suse-linux/4.8/../../../../lib64 into the
command line in the first place.
/bin/sh ./libtool --tag=CXX --mode=link g++ -g -O2 -o libx.la -rpath
/usr/local/lib x.lo -lxml2
libtool: link: g++ -fPIC -DPIC -shared -nostdlib
/usr/lib64/gcc/x86_64-suse-linux/4.8/../../../../lib64/crti.o
/usr/lib64/gcc/x86_64-suse-linux/4.8/crtbeginS.o .libs/x.o -Wl,-rpath
-Wl,/usr/lib64 -Wl,-rpath -Wl,/usr/lib64 /usr/lib64/libxml2.so -ldl -lz -llzma
-L/usr/lib64/gcc/x86_64-suse-linux/4.8
-L/usr/lib64/gcc/x86_64-suse-linux/4.8/../../../../lib64 -L/lib/../lib64
-L/usr/lib/../lib64
-L/usr/lib64/gcc/x86_64-suse-linux/4.8/../../../../x86_64-suse-linux/lib
-L/usr/lib64/gcc/x86_64-suse-linux/4.8/../../.. -lstdc++ -lm -lc -lgcc_s
/usr/lib64/gcc/x86_64-suse-linux/4.8/crtendS.o
/usr/lib64/gcc/x86_64-suse-linux/4.8/../../../../lib64/crtn.o -O2
-Wl,-soname -Wl,libx.so.0 -o .libs/libx.so.0.0.0
libtool: link: (cd ".libs" && rm -f "libx.so.0" && ln -s "libx.so.0.0.0"
"libx.so.0")
libtool: link: (cd ".libs" && rm -f "libx.so" && ln -s "libx.so.0.0.0"
"libx.so")
libtool: link: ( cd ".libs" && rm -f "libx.la" && ln -s "../libx.la" "libx.la" )
/bin/sh ./libtool --tag=CXX --mode=link g++ -g -O2 -o liby.la -rpath
/usr/local/lib x.lo libx.la
libtool: link: warning:
`/usr/lib64/gcc/x86_64-suse-linux/4.8/../../../../lib64/libxml2.la' seems to be
moved
What was expected instead:
Perhaps not use -nostdlib -L/usr/lib64/... and just let CXXLD do that itself
internally.
--- configure.ac
AC_INIT([f],[0])
AM_INIT_AUTOMAKE([foreign])
LT_INIT
AC_PROG_CXX
AC_OUTPUT([Makefile])
---
--- Makefile.am
lib_LTLIBRARIES = libx.la liby.la
libx_la_SOURCES = x.cpp
libx_la_LIBADD = -lxml2
liby_la_SOURCES = x.cpp
liby_la_LIBADD = libx.la
---
--- x.cpp
// empty
---
--- /usr/lib64/libxml2.la
# libxml2.la - a libtool library file
# Generated by libtool (GNU libtool) 2.4.2
#
# Please DO NOT delete this file!
# It is necessary for linking the library.
# The name that we can dlopen(3).
dlname='libxml2.so.2'
# Names of this library.
library_names='libxml2.so.2.9.1 libxml2.so.2 libxml2.so'
# The name of the static archive.
old_library=''
# Linker flags that can not go in dependency_libs.
inherited_linker_flags=''
# Libraries that this one depends upon.
dependency_libs=' -ldl -lz -llzma -lm'
# Names of additional weak libraries provided by this library
weak_library_names=''
# Version information for libxml2.
current=11
age=9
revision=1
# Is this an already installed library?
installed=yes
# Should we warn about portability when linking against -modules?
shouldnotlink=no
# Files to dlopen/dlpreopen
dlopen=''
dlpreopen=''
# Directory that this library needs to be installed in:
libdir='/usr/lib64'
---
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