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Further fix interaction of Perl and stdbool.h

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In the case that PostgreSQL uses stdbool.h but Perl doesn't, we need to
prevent Perl from defining bool, to prevent compiler warnings about
redefinition.
This commit is contained in:
Peter Eisentraut 2018-03-23 16:31:49 -04:00
parent 4b538727e2
commit 66ee8513d1
1 changed files with 12 additions and 0 deletions
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12
src/pl/plperl/plperl.h
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@ -50,6 +50,18 @@
#define __inline__ inline
#endif
/*
* Regarding bool, both PostgreSQL and Perl might use stdbool.h or not,
* depending on configuration. If both agree, things are relatively harmless.
* If not, things get tricky. If PostgreSQL does but Perl does not, define
* HAS_BOOL here so that Perl does not redefine bool; this avoids compiler
* warnings. If PostgreSQL does not but Perl does, we need to undefine bool
* after we include the Perl headers; see below.
*/
#ifdef USE_STDBOOL
#define HAS_BOOL 1
#endif
/*
* Get the basic Perl API. We use PERL_NO_GET_CONTEXT mode so that our code