| # config/missing | |
| # This is *not* the GNU `missing' script, although it is similar in | |
| # concept. You can call it from the makefiles to get consistent | |
| # behavior when certain utility programs are missing. | |
| case $1 in | |
| flex|bison) | |
| # `missing flex|bison <input> <output>' | |
| input=$2 | |
| output=$3 | |
| if test -f "$output"; then | |
| echo "\ | |
| *** | |
| WARNING: \`$1' is missing on your system. You should only need it | |
| if you changed the file \`$input'; these changes will not take effect. | |
| You can get $1 from a GNU mirror site. | |
| ***" >&2 | |
| echo "touch $output" | |
| touch "$output" | |
| exit 0 | |
| else # ! test -f $output | |
| echo "\ | |
| *** | |
| ERROR: \`$1' is missing on your system. It is needed to create the | |
| file \`$output'. You can either get $1 from a GNU mirror site | |
| or download an official distribution of PostgreSQL, which contains | |
| pre-packaged $1 output. | |
| ***" >&2 | |
| exit 1 | |
| fi | |
| ;; | |
| perl) | |
| # `missing perl' | |
| echo "\ | |
| *** | |
| ERROR: Perl is missing on your system. It is needed unless you are building | |
| from an unmodified official distribution of PostgreSQL. | |
| ***" >&2 | |
| exit 1 | |
| ;; | |
| *) | |
| # `missing something-or-other' | |
| echo "\ | |
| *** | |
| ERROR: \`$1' is missing on your system. | |
| ***" >&2 | |
| exit 1 | |
| ;; | |
| esac | |