Why do I receive a 'warning: libstdc++-libc6.1-2.so.3 ...' when I try to compile stand-alone code on Linux Redhat 7.0 with the MATLAB C/C++ Math LIbrary 2.1 (R12)?
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Why do I receive a 'warning: libstdc++-libc6.1-2.so.3 ...' when I try to compile stand-alone code on Linux Redhat 7.0 with the MATLAB C/C++ Math LIbrary 2.1 (R12)?
I am receiving the following error from mbuild when trying to compile a stand-alone application for Linux (Redhat 7.0):
/usr/bin/ld: warning: libstdc++-libc6.1-2.so.3, needed by
/usr/local/matlab6/extern/lib/glnx86/libmatpp.so, not found (try using
--rpath)
The "mbuild" command invokes:
g++ -Wl,--rpath-link,/usr/local/matlab6/bin/glnx86
-L/usr/local/matlab6/bin/glnx86 -o test2
<all the .o files ...>
-Wl,--rpath-link,/usr/local/matlab6/bin/glnx86
-L/usr/local/matlab6/extern/lib/glnx86
-lmatpp -lmmfile -lmatlb -lmat -lmx -lm
"ldconfig" gives the following:
libstdc++.so.2.9 -> libstdc++.so.2.9.dummy
libstdc++-libc6.2-2.so.3 -> libstdc++-3-libc6.2-2-2.10.0.so
libstdc++-libc6.1-1.so.2 -> libstdc++-2-libc6.1-1-2.9.0.so
libstdc++.so.2.8 -> libstdc++.so.2.8.0
libstdc++.so.2.7.2 -> libstdc++.so.2.7.2.8
libstdc++.so.27 -> libstdc++.so.27.1.4
And this from "rpm":
libstdc++-devel-2.96-54
compat-libstdc++-6.2-2.9.0.9
libstdc++-2.96-54
To get things to compile, I "downgraded" to libstdc++-libc6.1-2.so.3 using
the libstdc++-2.95.1_2.10.0-3-i386.rpm file. However, I am a bit perplexed
as to why the "2-2.so.3" version (as opposed to "1-2.so.3") is not used,
having a higher major revision number.
採用された回答
MathWorks Support Team
2009 年 6 月 27 日
This problem occurs because the library 'libmatlb' was not shipped with the Math library 2.1 (R12).
If you have MATLAB, you can copy the file you need (for example, libstdc++-3-libc6.2-2-2.10.0.so):
from:
$MATLAB/sys/os/glnx86
(where $MATLAB = the MATLAB root directory on your machine)
to:
$MATLAB/extern/lib/glnx86.
(where $MATLAB = the MATLAB root directory on your machine)
This has been corrected for MATLAB C/C++ Math Library 2.2 (R12.1) and later by including "libmatlb" for glnx86 in the $MATLAB/extern/lib directory.
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