Comment 0 for bug 1742277

Debian commit [60fb7e6] in glibc first introduced in "debian/2.25-0experimental3-25-g60fb7e6", has the effect to create a FTBFS situation for "cross-toolchain-base" on Bionic which uses glibc 2.26.

In fact after the above commit, the patch "debian/patches/glibc/ubuntu/no-gdb-python-hooks.diff" found in cross-toolchain-base source code is no longer needed and can be safely remove as it tries to modify a piece of code already in place in glibc introduced by [60fb7e6, preventing the package to properly build with a hunk FAILED as follow :

# Launchpad buildlog : https://launchpadlibrarian.net/348143571/buildlog_ubuntu-bionic-amd64.cross-toolchain-base_19ubuntu1_BUILDING.txt.gz
...
Applying patch no-gdb-python-hooks.diff
patching file debian/rules.d/debhelper.mk
Hunk #1 FAILED at 220.
1 out of 1 hunk FAILED -- rejects in file debian/rules.d/debhelper.mk
Patch no-gdb-python-hooks.diff can be reverse-applied
debian/rules:382: recipe for target 'stamp-dir/init-glibc' failed
make: *** [stamp-dir/init-glibc] Error 1
dpkg-buildpackage: error: debian/rules build subprocess returned exit status 2
--------------------------------------------------------------------------------
Build finished at 20171205-0736

# Patch: no-gdb-python-hooks.diff
--- a/debian/rules.d/debhelper.mk
+++ b/debian/rules.d/debhelper.mk
@@ -220,6 +220,7 @@
                -e "s#RTLDDIR#$$rtlddir#g" \
                -e "s#SLIBDIR#$$slibdir#g" \
                -e "s#LIBDIR#$$libdir#g" \
+ -e "/gdb/d" \
              $$t; \
          done ; \
        done

# debian/rules.d/debhelper.mk
220 -e "s#RTLDDIR#$$rtlddir#g" \
221 -e "s#SLIBDIR#$$slibdir#g" \
222 -e "s#LIBDIR#$$libdir#g" \
223 -e "/gdb/d" \
224 $$t; \
225 done ; \
226 done

[References & Other informations]

* Debian bug:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=874491

* Debian commit:
https://anonscm.debian.org/cgit/pkg-glibc/glibc.git/commit/?id=60fb7e6

------------------------------
60fb7e6 debian/rules.d/debhelper.mk: do not install gdb python hooks for stage 1. Closes: #874491.

# git describe 60fb7e6
debian/2.25-0experimental3-25-g60fb7e6

# rmadison glibc
 glibc | 2.26-0ubuntu2 | bionic | source
------------------------------

* Ubuntu bug:
https://bugs.launchpad.net/ubuntu/+source/glibc/+bug/1715366

* Launchpad Build log:
https://launchpadlibrarian.net/348143571/buildlog_ubuntu-bionic-amd64.cross-toolchain-base_19ubuntu1_BUILDING.txt.gz