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8d355d7bbf
used to work as intended, but got broken some time ago (a quoted empty string is not an empty string), and got broken some more by the changes to generate ecpg's preproc.y automatically. Given all the unprotected uses of $(PERL) elsewhere, it seems best to make use of the $(missing) script rather than trying to ensure each such use is protected individually. Also fix various bits of documentation that omitted to mention Perl as a requirement for building from a CVS pull. Per a complaint from Robert Haas.
55 lines
1.4 KiB
Bash
Executable File
55 lines
1.4 KiB
Bash
Executable File
#! /bin/sh
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# $PostgreSQL: pgsql/config/missing,v 1.5 2009/06/23 03:46:00 tgl Exp $
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# This is *not* the GNU `missing' script, although it is similar in
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# concept. You can call it from the makefiles to get consistent
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# behavior when certain utility programs are missing.
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case $1 in
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flex|bison)
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# `missing flex|bison <input> <output>'
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input=$2
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output=$3
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if test -f "$output"; then
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echo "\
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***
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WARNING: \`$1' is missing on your system. You should only need it
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if you changed the file \`$input'; these changes will not take effect.
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You can get $1 from a GNU mirror site.
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***" >&2
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echo "touch $output"
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touch "$output"
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exit 0
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else # ! test -f $output
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echo "\
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***
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ERROR: \`$1' is missing on your system. It is needed to create the
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file \`$output'. You can either get $1 from a GNU mirror site
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or download an official distribution of PostgreSQL, which contains
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pre-packaged $1 output.
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***" >&2
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exit 1
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fi
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;;
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perl)
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# `missing perl'
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echo "\
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***
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ERROR: Perl is missing on your system. It is needed unless you are building
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from an unmodified official distribution of PostgreSQL.
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***" >&2
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exit 1
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;;
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*)
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# `missing something-or-other'
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echo "\
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***
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ERROR: \`$1' is missing on your system.
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***" >&2
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exit 1
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;;
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esac
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