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Wait, isn't rpath supposed to be set automagically?
From: |
Miles Bader |
Subject: |
Wait, isn't rpath supposed to be set automagically? |
Date: |
Sun, 26 Feb 2012 23:47:11 +0900 |
I thought that as long as one used ".la" libraries, automake+libtool
was supposed to handle all the grotty stuff like rpath automatically,
adding -rpath $(libdir) if you depend on libraries installed to libdir
and libdir isn't on the system library search path. [Yeah, I also
know some people hate rpath, but ...]
But ... it doesn't seem to. Is something broken, is there an option I
should set... or?
[I guess I can add "-rpath <blahblaha>" somewhere in Makefile.am, but
I don't really want to add system-dependent stuff that libtool's
supposed to be handling; isn't that why libtool exists in the first
place?]
automake version 1.11.3, libtool version 2.4.2
Thanks,
-Miles
Example:
configure.ac:
AC_INIT([blah], [0.1], [bob])
AM_INIT_AUTOMAKE([foreign])
LT_INIT
AC_PROG_CC
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
Makefile.am:
bin_PROGRAMS = blah
lib_LTLIBRARIES = liboink.la
blah_SOURCES = blah.c
blah_LDADD = liboink.la
liboink_la_SOURCES = oink.c
blah.c:
extern void oink ();
int main () { oink (); }
oink.c:
void oink () { }
Commands:
$ autoreconf --install
...
$ ./configure
...
$ make
...
$ sudo make install
...
$ /usr/local/bin/blah
/usr/local/bin/blah: error while loading shared libraries:
liboink.so.0: cannot open shared object file: No such file or directory
$ LD_LIBRARY_PATH=/usr/local/lib /usr/local/lib/blah
$ ldd /usr/local/bin/blah
linux-vdso.so.1 => (0x00007fff247c5000)
liboink.so.0 => not found
libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6
(0x00007f5ceeb26000)
/lib64/ld-linux-x86-64.so.2 (0x00007f5ceeed1000)
$ readelf -d /usr/local/bin/blah | grep RPATH
$
--
Brain, n. An apparatus with which we think we think.
- Wait, isn't rpath supposed to be set automagically?,
Miles Bader <=
- Re: Wait, isn't rpath supposed to be set automagically?, Stefano Lattarini, 2012/02/26
- Re: Wait, isn't rpath supposed to be set automagically?, Peter Johansson, 2012/02/26
- Re: Wait, isn't rpath supposed to be set automagically?, Miles Bader, 2012/02/26
- Re: Wait, isn't rpath supposed to be set automagically?, Peter Johansson, 2012/02/26
- Re: Wait, isn't rpath supposed to be set automagically?, Miles Bader, 2012/02/26
- Re: Wait, isn't rpath supposed to be set automagically?, Bob Friesenhahn, 2012/02/26
- Re: Wait, isn't rpath supposed to be set automagically?, Miles Bader, 2012/02/26
- Re: Wait, isn't rpath supposed to be set automagically?, Russ Allbery, 2012/02/27
- Re: Wait, isn't rpath supposed to be set automagically?, Miles Bader, 2012/02/27