diff options
Diffstat (limited to 'scripts')
| -rwxr-xr-x | scripts/ac_config_iraf_pkg | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/scripts/ac_config_iraf_pkg b/scripts/ac_config_iraf_pkg index ceb0ea1..8011797 100755 --- a/scripts/ac_config_iraf_pkg +++ b/scripts/ac_config_iraf_pkg @@ -61,15 +61,27 @@ fi # Create any new file with the expected permissions: umask 022 +# Both the LSB and MacOS define Python in /usr/bin as standard, avoiding any +# dependence on the state of the installation. This does not always exist on +# some OSs like Ubuntu, however, so try a couple of other known possibilities +# and default to whatever "python" is found in the PATH if even those fail. +for PYTHON in /usr/bin/python /usr/bin/python2 /usr/bin/python3 python; do + [ -x "$PYTHON" ] && break +done +if [ "$PYTHON" = "python" ]; then + if ! $PYTHON -c "pass"; then + echo "ERROR: cannot execute python (for IRAF package $name)" >&2 + exit 1 + fi +fi + # The Python script for updating extern.pkg must be invoked as follows because # (if directly executable) conda insists on changing its interpreter path to # one in the env that may not exist, since IRAF packages do not require python # :-(. The conda build docs also explicitly disallow post-install scripts from -# depending on other packages. Both the LSB and MacOS define Python in /usr/bin -# as standard, avoiding any dependence on the state of the installation. +# depending on other packages. -if ! /usr/bin/python "$script_dir/ac_update_extern_pkg" $flags \ - "$PREFIX" "$name"; then +if ! $PYTHON "$script_dir/ac_update_extern_pkg" $flags "$PREFIX" "$name"; then echo "ERROR: failed to update extern.pkg for $name" >&2 exit 1 fi |