rtld or lang/gcc cannot find libgcc_s.so.1
Steve Kargl
sgk at troutmask.apl.washington.edu
Tue Feb 21 18:28:50 UTC 2012
Sorry about the cross post, but I can't tell if this
a -current issue of a -ports issue. Unfortunately,
I updated my freebsd 10.0 systems and the lang/gcc
port during the same timeframe.
I have compiled my math library and several programs
with gfortran, which is installed by lang/gcc (pkg_info
shows gcc-4.6.2_1). When I try running the program
I get
troutmask:kargl[210] halfspace
/lib/libgcc_s.so.1: version GCC_4.6.0 required by /home/kargl/bin/halfspace
not foundtroutmask:kargl[211]
(Note, the annoying absense of a newline character after the error
message, which is a completely different issue.)
I see this problem on both freebsd-i386 and freebsd-amd64.
troutmask:kargl[212] ldd ~/bin/halfspace
/home/kargl/bin/halfspace:
liblapack.so.4 => /usr/local/lib/liblapack.so.4 (0x2008c3000)
libblas.so.2 => /usr/local/lib/libblas.so.2 (0x201463000)
libgfortran.so.3 => /usr/local/lib/gcc46/libgfortran.so.3 (0x20175d000)
libm.so.5 => /lib/libm.so.5 (0x201a70000)
libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x201c95000)
libquadmath.so.0 => /usr/local/lib/gcc46/libquadmath.so.0 (0x201ea2000)
libc.so.7 => /lib/libc.so.7 (0x2020d6000)
troutmask:kargl[212] ldconfig -r | grep libgcc_s
29:-lgcc_s.1 => /lib/libgcc_s.so.1
723:-lgcc_s.1 => /usr/local/lib/gcc46/libgcc_s.so.1
So, it appears that rtld is finding the wrong libgcc_s.so.1 or
the lang/gcc port is no longer providing sufficient information
for rtld to choose the correct library.
I have reverted revisions 230784, 299768, and 229508 (and
various combinitions of these revisions) from rtld-elf. The
result does not change the above error.
I can work around the problem by specifying -static during
the building of my programs. Or, I can work around the
problem by *explicitly* adding '-rpath /usr/local/lib' to the
command line, which I have never had to do.
--
Steve
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