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AR# 390

GEN_SCH8 5.x: Can't open shared lib /tools/idea/lib/libC.sl


Keywords: gen_sch8, library, error, fails

Urgency: Standard

General Description:

Gen_sch8 may issue the following error message:

Can't open shared lib /tools/idea/lib/libC.sl


If this occurs, make sure the LD_LIBRARY_PATH and PATH variables are set as

setenv LD_LIBRARY_PATH $MGC_HOME/shared/lib:$MGC_HOME/lib
(Add /user/openwin/lib for SPARC)

setenv PATH ...:$LCA/com/sparc:$LCA/bin/sparc:...
(Substitute "hppa" for "sparc" if appropriate)

If you are using HP-UX version 10.x or above, set the following in lieu of

setenv SHLIB_PATH $MGC_HOME/shared/lib:$MGC_HOME/lib

The key to understanding what the problem is here is the message "Can't
open shared lib /tools/idea..." Gen_sch8 is a dynamically linked program,
and when it is linked, all references through environment variables (e.g.,
$MGC_HOME and $LD_LIBRARY_PATH/$SHLIB_PATH) get resolved to hard pathnames
(e.g., /tools/idea). When gen_sch8 is run at a user's installation, the
odds are that his or her network will not be configured exactly like
Xilinx's, hence any references to /tools/idea will not be resolvable,
yielding error messages like the one above.

For Gen_sch8 or any program which references any Mentor shared runtime
libraries to work properly, the LD_LIBRARY_PATH/SHLIB_PATH variable must be
set to include the hard pathname to them. This can be done easily, simply
by sourcing the Mentor set_mgc_env script found in $MGC_HOME/bin prior to
running Gen_sch8 in the same shell. In order to make this operation
transparent, we include a Gen_sch8 Bourne shell script in $LCA/com/hppa
which sources set_mgc_env prior to invoking the Gen_sch8 program found in
$LCA/bin/hppa. This will always work fine as long as $LCA/com/hppa appears
ahead of $LCA/bin/hppa in your path. This is why the "com" directory must
also be listed before the "bin" directory in your executable path.
AR# 390
日期 10/01/2008
状态 Archive
Type 综合文章