Remove debugging; cleanup; xapian working for 3.11-dev at least.

Nightly is still failing on a macro expansion. The compiler chokes on
the result.

Disable xapian build for nightly. Fixing nightly is for another
night....

Author: rouilj

.travis.yml

@@ -68,14 +68,12 @@ before_install:
   - if [[ $TRAVIS_PYTHON_VERSION == "2."* ]]; then ./configure --prefix=$VIRTUAL_ENV --with-python --disable-documentation; fi
   # edit the configure script. distutils.sysconfig.get_config_vars('SO')
   #  doesn't work for 3.11 or newer.
-  # Change distutils.sysconfig... to just sysconfig to get valid SO.
-  - python3 -V
-  - if [[ $TRAVIS_PYTHON_VERSION == "3."* ]]; then sed -i -e '/PYTHON3_SO=/s/distutils\.//g' -e '/PYTHON3_SO=/s/"SO"/"EXT_SUFFIX"/g' configure; grep PYTHON3_SO configure; ./configure --prefix=$VIRTUAL_ENV --with-python3 --disable-documentation; fi
-  - if [[ $TRAVIS_PYTHON_VERSION == "nightly" ]]; then sed -i -e '/PYTHON3_SO=/s/distutils\.//g' -e '/PYTHON3_SO=/s/"SO"/"EXT_SUFFIX"/g' configure; grep PYTHON3_SO configure; ./configure --prefix=$VIRTUAL_ENV --with-python3 --disable-documentation; fi
+  # Change distutils.sysconfig... to just sysconfig and SO to EXT_SUFFIX
+  # to get valid value.
+  - if [[ $TRAVIS_PYTHON_VERSION == "3."* ]]; then sed -i -e '/PYTHON3_SO=/s/distutils\.//g' -e '/PYTHON3_SO=/s/"SO"/"EXT_SUFFIX"/g' configure; ./configure --prefix=$VIRTUAL_ENV --with-python3 --disable-documentation; fi
+  - if [[ $TRAVIS_PYTHON_VERSION == "nightly" ]]; then sed -i -e '/PYTHON3_SO=/s/distutils\.//g' -e '/PYTHON3_SO=/s/"SO"/"EXT_SUFFIX"/g' configure; ./configure --prefix=$VIRTUAL_ENV --with-python3 --disable-documentation; fi
   - if [[ $TRAVIS_PYTHON_VERSION == "pypy3" ]]; then sed -i -e '/PYTHON3_SO=/s/distutils\.//g' -e '/PYTHON3_SO=/s/"SO"/"EXT_SUFFIX"/g' configure; ./configure --prefix=$VIRTUAL_ENV --with-python3 --disable-documentation; fi
-  - python3 -c 'import sysconfig; s=sysconfig.get_config_var("EXT_SUFFIX"); print(s) if s else exit(1)'
-  # - case "$TRAVIS_PYTHON_VERSION" in nightly|3.11-dev) echo skipping xapian build;; *) make && make install; esac
-  - make && make install
+  - case "$TRAVIS_PYTHON_VERSION" in nightly) echo skipping xapian build;; *) make && make install; esac
 
   - PATH=$VIRTUAL_ENV/bin:$PATH