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-   -   debian/rules2 runs the libstdc++-v3 testsuite against the *installed* library (http://www.linux-archive.org/debian-gcc/657852-debian-rules2-runs-libstdc-v3-testsuite-against-installed-library.html)

Ludovic Brenta 04-19-2012 11:16 PM

debian/rules2 runs the libstdc++-v3 testsuite against the *installed* library
 
This fails for me when building gnat-4.6:

make[1]: Entering directory `/home/lbrenta/src/debian/gnat-4.6-4.6.3'
rm -f test-protocol
chmod 755 /home/lbrenta/src/debian/gnat-4.6-4.6.3/src/contrib/test_summary
: # libstdc++6 built from newer gcc-4.x source, run testsuite against the installed lib
sed 's/-L[^ ]*//g' /home/lbrenta/src/debian/gnat-4.6-4.6.3/build/x86_64-linux-gnu/libstdc++-v3/scripts/testsuite_flags
> /home/lbrenta/src/debian/gnat-4.6-4.6.3/build/x86_64-linux-gnu/libstdc++-v3/scripts/testsuite_flags.installed
/bin/bash: /home/lbrenta/src/debian/gnat-4.6-4.6.3/build/x86_64-linux-gnu/libstdc++-v3/scripts/testsuite_flags.installed: No such file or directory
make[1]: *** [stamps/06-check-stamp] Error 1

In debian/rules2 I see:

ifneq ($(with_common_libs),yes)
: # libstdc++6 built from newer gcc-4.x source, run testsuite against the installed lib

sed 's/-L[^ ]*//g' $(buildlibdir)/libstdc++-v3/scripts/testsuite_flags
> $(buildlibdir)/libstdc++-v3/scripts/testsuite_flags.installed

The 'sed' line is the one that fails. I am not building libstdc++, so I
don't have the $(buildlibdir)/libstdc++-v3/ directory at all.

I can understand there is some value in running all versions of the
testsuite (from gcc-4.*) against the installed library (now built from
gcc-4.7 only) but there appears to be no place where we run the
testsuite against the *just-built* library. Is this intentional?

Also, the test "ifneq ($(with_common_libs),yes)" seems entirely wrong to
me. When with_common_libs = yes, we are not running the testsuite, even
if we build it; when with_common_libs = no, we are assuming that we just
built the libstdc++ and we run the testsuite against another version of
the library. Should the test not be, simply, "ifeq
($(with_libcxx),yes)"?

--
Ludovic Brenta.


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