diff options
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/installation.sgml | 7 | ||||
| -rw-r--r-- | doc/src/sgml/sources.sgml | 12 |
2 files changed, 8 insertions, 11 deletions
diff --git a/doc/src/sgml/installation.sgml b/doc/src/sgml/installation.sgml index 8e5da767c48..a4ad80a6782 100644 --- a/doc/src/sgml/installation.sgml +++ b/doc/src/sgml/installation.sgml @@ -71,10 +71,9 @@ <listitem> <para> - You need an <acronym>ISO</acronym>/<acronym>ANSI</acronym> C compiler (at least - C99-compliant). Recent - versions of <productname>GCC</productname> are recommended, but - <productname>PostgreSQL</productname> is known to build using a wide variety + You need a C compiler that supports at least C11. Recent versions of + <productname>GCC</productname> are recommended, but + <productname>PostgreSQL</productname> is known to build using a variety of compilers from different vendors. </para> </listitem> diff --git a/doc/src/sgml/sources.sgml b/doc/src/sgml/sources.sgml index fa68d4d024a..261f19b3534 100644 --- a/doc/src/sgml/sources.sgml +++ b/doc/src/sgml/sources.sgml @@ -907,12 +907,12 @@ BETTER: unrecognized node type: 42 <title>C Standard</title> <para> Code in <productname>PostgreSQL</productname> should only rely on language - features available in the C99 standard. That means a conforming - C99 compiler has to be able to compile postgres, at least aside + features available in the C11 standard. That means a conforming + C11 compiler has to be able to compile postgres, at least aside from a few platform dependent pieces. </para> <para> - A few features included in the C99 standard are, at this time, not + A few features included in the C11 standard are, at this time, not permitted to be used in core <productname>PostgreSQL</productname> code. This currently includes variable length arrays, intermingled declarations and code, <literal>//</literal> comments, universal @@ -924,13 +924,11 @@ BETTER: unrecognized node type: 42 features can be used, if a fallback is provided. </para> <para> - For example <literal>_Static_assert()</literal> and + For example <literal>typeof()</literal> and <literal>__builtin_constant_p</literal> are currently used, even though they are from newer revisions of the C standard and a <productname>GCC</productname> extension respectively. If not available - we respectively fall back to using a C99 compatible replacement that - performs the same checks, but emits rather cryptic messages and do not - use <literal>__builtin_constant_p</literal>. + we do not use them. </para> </simplesect> |