Bug 56072 - libtool warnings from every C++ app
libtool warnings from every C++ app
Status: CLOSED RAWHIDE
Product: Red Hat Raw Hide
Classification: Retired
Component: gcc (Show other bugs)
1.0
i386 Linux
medium Severity medium
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Assigned To: Jakub Jelinek
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Depends On:
Blocks:
  Show dependency treegraph
 
Reported: 2001-11-12 10:06 EST by Bernhard Rosenkraenzer
Modified: 2008-05-01 11:38 EDT (History)
0 users

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Doc Type: Bug Fix
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Last Closed: 2001-11-12 10:38:53 EST
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Description Bernhard Rosenkraenzer 2001-11-12 10:06:44 EST
Description of Problem:
Every application using libtool and C++ gets the following warning during 
linking:
libtool: link: warning: library 
`/usr/lib/gcc-lib/i386-redhat-linux/3.1/libstdc++.la' was moved.

dependency_libs= in the file holds references to the build root:

dependency_libs=' 
-L/usr/src/redhat/BUILD/gcc-3.1-20011112/obj-i386-redhat-linux/i386-redhat-linux/libstdc++-v3/src 
-L/usr/src/redhat/BUILD/gcc-3.1-20011112/obj-i386-redhat-linux/i386-redhat-linux/libstdc++-v3/src/.libs 
-lm -lm -lm 
-L/usr/src/redhat/BUILD/gcc-3.1-20011112/obj-i386-redhat-linux/gcc 
-L/usr/lib/gcc-lib/i386-redhat-linux/3.1 
-L/usr/lib/gcc-lib/i386-redhat-linux/3.1/../../.. -lgcc -lc
-lgcc -lm -lgcc -lc -lgcc'

and libdir='/usr/lib'

points to the wrong place.

Affects libsupc++ as well.

Suggested quickfix:

perl -pi -e 
"s,^libdir=.*,libdir='/usr/lib/gcc-lib/%{_arch}-redhat-linux/%{version},;s,$RPM_BUILD_ROOT,,;" 
$RPM_BUILD_ROOT/usr/lib/gcc-lib/%{_arch}-redhat-linux/%{version}/*.la


Similarily, I think the loads of references to -lgcc should be replaced 
with just one.

Alternatively, simply remove the *.la files, libtool sucks anyway, and 
doesn't have much of a point on sane OSes. ;)

Version-Release number of selected component (if applicable):
3.1-0.7
Comment 1 Jakub Jelinek 2001-11-12 10:28:16 EST
Do you have a preprocessed testcase, please?
Comment 2 Jakub Jelinek 2001-11-12 10:30:19 EST
Oops, this was meant for different bug. Sorry.
.la files are already removed in my .spec file.
Comment 3 Bernhard Rosenkraenzer 2001-11-12 10:38:46 EST
If your comment was meant for #56073, what exactly do you need? Something 
using __attribute__ alias or something trying to link to it? I'm not familiar 
with gcc __attribute__ internals.

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