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Fix the makefiles to fail cleanly if Perl is needed but not present. This

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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.
This commit is contained in:
Tom Lane
2009-06-23 03:46:00 +00:00
parent bc00ceb159
commit 8d355d7bbf
6 changed files with 49 additions and 18 deletions
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6
README.CVS
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@ -8,7 +8,7 @@ If you are using CVS, you can view the most recent install instructions at:
and the current release notes at:
http://developer.postgresql.org/docs/postgres/release.html
Users compiling from CVS will also need compatible versions of Bison and
Flex, as discussed in the install documentation. Bison and Flex are not
Users compiling from CVS will also need compatible versions of Bison, Flex,
and Perl, as discussed in the install documentation. These programs are not
needed when using a tarball, since the files they are needed to build are
already present in the tarball.
already present in the tarball. (On Windows, however, you need Perl anyway.)