t/python-vars.sh

   1 #! /bin/sh
   2 # Copyright (C) 2011-2024 Free Software Foundation, Inc.
   3 #
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2, or (at your option)
   7 # any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  16
  17 # Check that AM_PATH_PYTHON correctly sets all the output variables
  18 # advertised in the manual, both with the GNU prefix values and the
  19 # Python sys.* prefix values.
  20
  21 required=python
  22 . test-init.sh
  23
  24 # In case the user's config.site defines pythondir or pyexecdir.
  25 CONFIG_SITE=/dev/null; export CONFIG_SITE
  26
  27 # Update the definition below if the documentation changes. The values
  28 # of the 'pythondir' and 'pyexecdir' variables vary among different
  29 # python installations, so we need more relaxed and ad-hoc checks for
  30 # them. Also, more proper "functional" checks on them should be done in
  31 # the 'python-virtualenv.sh' test.
  32 #
  33 # This version identification is duplicated in python.m4 (and the manual).
  34 PYTHON_VERSION=$($PYTHON -c 'import sys; print ("%u.%u" % sys.version_info[:2])') || exit 1
  35 PYTHON_PLATFORM=$($PYTHON -c 'import sys; print (sys.platform)') || exit 1
  36 PYTHON_EXEC_PREFIX=$($PYTHON -c 'import sys; print (sys.exec_prefix)') || exit 1
  37 PYTHON_PREFIX=$($PYTHON -c 'import sys; print (sys.prefix)') || exit 1
  38 pkgpythondir="\${pythondir}/$me"
  39 pkgpyexecdir="\${pyexecdir}/$me"
  40
  41 pyvars='PYTHON_VERSION PYTHON_PLATFORM PYTHON_PREFIX PYTHON_EXEC_PREFIX
  42         pkgpythondir pkgpyexecdir'
  43
  44 cat >> configure.ac << 'END'
  45 AC_CONFIG_FILES([vars-got pythondir pyexecdir])
  46 AM_PATH_PYTHON
  47 AC_OUTPUT
  48 END
  49
  50 cat > my.py << 'END'
  51 def my():
  52     return 1
  53 END
  54
  55 cat > Makefile.am << 'END'
  56
  57 python_PYTHON = my.py
  58
  59 EXTRA_DIST = vars-exp
  60
  61 check-local: test-in test-am
  62 .PHONY: test-in test-am
  63
  64 test-in:
  65         @echo "> doing test-in"
  66         @echo ">> contents of pythondir:"
  67         cat pythondir
  68         case `cat pythondir` in '$${PYTHON_PREFIX}'/*);; *) exit 1;; esac
  69         @echo ">> contents of pyexecdir:"
  70         cat pyexecdir
  71         case `cat pyexecdir` in '$${PYTHON_EXEC_PREFIX}'/*);; *) exit 1;; esac
  72         @echo ">> contents of vars-exp:"
  73         cat $(srcdir)/vars-exp
  74         @echo ">> contents of vars-got:"
  75         cat $(builddir)/vars-got
  76         diff $(srcdir)/vars-exp $(builddir)/vars-got
  77
  78 ## Note: this target's rules will be extended in the "for" loop below.
  79 test-am:
  80         @echo "> doing test-am"
  81         case '$(pythondir)' in '$(PYTHON_PREFIX)'/*);; *) exit 1;; esac
  82         case '$(pyexecdir)' in '$(PYTHON_EXEC_PREFIX)'/*);; *) exit 1;; esac
  83 END
  84
  85 echo @pythondir@ > pythondir.in
  86 echo @pyexecdir@ > pyexecdir.in
  87
  88 # This depends on whether we're doing GNU or Python values, per arg.
  89 setup_vars_file ()
  90 {
  91   vartype=$1
  92   : > vars-exp
  93   : > vars-got.in
  94
  95   for var in $pyvars; do
  96     if test x"$vartype" = xgnu; then
  97       # when not using Python sys.* values, PYTHON_*PREFIX will vary;
  98       # the computed value will be (something like) "/usr",
  99       # but the expected value will be "${prefix}".
 100       if test x"$var" = xPYTHON_PREFIX \
 101          || test x"$var" = xPYTHON_EXEC_PREFIX; then
 102         continue
 103       fi
 104     fi
 105     eval val=\$$var
 106     echo "var=$val  #$var"   >> vars-exp
 107     echo "var=@$var@  #$var" >> vars-got.in
 108     echo "${tab}test x'\$($var)' = x'$val' || test \"\$NO_CHECK_PYTHON_PREFIX\"" >> Makefile.am
 109   done
 110 }
 111
 112 setup_vars_file gnu
 113
 114 $ACLOCAL
 115 $AUTOMAKE --add-missing
 116
 117 # some debugging output.
 118 for var in pythondir pyexecdir $pyvars; do
 119   grep "^$var *=" Makefile.in
 120 done
 121
 122 $AUTOCONF
 123
 124 # Do GNU values.
 125 ./configure PYTHON="$PYTHON"
 126 $MAKE test-in test-am
 127 run_make distcheck
 128
 129 # Do Python values.
 130 setup_vars_file python
 131 instdir=$(pwd)/inst
 132 ./configure PYTHON="$PYTHON" --with-python-sys-prefix --prefix="$instdir"
 133 $MAKE test-in test-am
 134 #
 135 # This tries to install to $PYTHON_PREFIX, which may not be writable.
 136 # Override it to something safe, but then of course we have to skip
 137 # checking that it is what we originally set it to.
 138 run_make distcheck \
 139   PYTHON_PREFIX="$instdir" \
 140   NO_CHECK_PYTHON_PREFIX=1 \
 141   AM_DISTCHECK_CONFIGURE_FLAGS=--with-python-sys-prefix
 142
 143 :