(1) there is a library
(2) there is an executable that does not, itself, link against that library
In this case, notinst_deplibs is empty, and when the wrapper script is loaded by libtool during ./libtool mode=install, there is a check for "is notinst_deplibs empty". In this case, it is, so libtool reports an error.
I don't think it is wrong to have a wrapper script for an exe that *technically* doesn't need it. But instead of checking for notinst_deplib nonempty as a proxy for "did wrapper script get sourced into my environment properly" a different var should be used.
For more info, see
http://www.cygwin.com/ml/cygwin/2004-10/msg01321.html
and
http://www.cygwin.com/ml/cygwin/2004-10/msg01347.html
Attached patch (by Peter Ekberg) has no regressions on cygwin.
-- Chuck
2004-10-30 Peter Ekberg <spam.protected>
* config/ltmain.m4sh (func_mode_install): set new variable 'generated_by_libtool_version' in wrapper script when libtool_install_magic. When verifying that wrapper script was properly sourced, check that generated_by_libtool_version is nonempty, instead of notinst_deplibs.
Index: config/ltmain.m4sh =================================================================== RCS file: /cvsroot/libtool/libtool/config/ltmain.m4sh,v retrieving revision 1.1.2.12 diff -u -r1.1.2.12 ltmain.m4sh --- config/ltmain.m4sh 20 Oct 2004 08:41:34 -0000 1.1.2.12 +++ config/ltmain.m4sh 30 Oct 2004 18:35:50 -0000 @@ -1957,7 +1967,7 @@ esac # Check the variables that should have been set. - test -z "$notinst_deplibs" && \ + test -z "$generated_by_libtool_version" && \ func_fatal_error "invalid libtool wrapper script \`$wrapper'" finalize=yes @@ -5993,7 +6004,8 @@ # This environment variable determines our operation mode. if test \"\$libtool_install_magic\" = \"$magic\"; then - # install mode needs the following variable: + # install mode needs the following variables: + generated_by_libtool_version='$macro_version' notinst_deplibs='$notinst_deplibs' else # When we are sourced in execute mode, \$file and \$ECHO are already set.
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