From 55ea109188474dae22d90f743d7189a8bdf94d49 Mon Sep 17 00:00:00 2001
From: Tom Lane
Date: Mon, 19 Aug 2019 14:22:56 -0400
Subject: Add "headerscheck" script to test header-file compilability under C.

We already had "cpluspluscheck", which served the dual purposes of
verifying that headers compile standalone and that they compile as C++.
However, C++ compilers don't have the exact same set of error conditions
as C compilers, so this doesn't really prove that a header will compile
standalone as C.

Hence, add a second script that's largely similar but runs the C
compiler not C++.

Also add a bit more documentation than the none-at-all we had before.

Discussion: https://postgr.es/m/14803.1566175851@sss.pgh.pa.us
---
 src/tools/pginclude/cpluspluscheck | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/tools/pginclude/cpluspluscheck')

diff --git a/src/tools/pginclude/cpluspluscheck b/src/tools/pginclude/cpluspluscheck
index b2060f3f538..843d391e682 100755
--- a/src/tools/pginclude/cpluspluscheck
+++ b/src/tools/pginclude/cpluspluscheck
@@ -7,8 +7,13 @@
 # default to the current directory.
 #
 # Needs to be run after configuring and creating all generated headers.
+# It's advisable to configure --with-perl --with-python, else you're
+# likely to get errors from associated headers.
 #
 # No output if everything is OK, else compiler errors.
+#
+# src/tools/pginclude/cpluspluscheck
+# Copyright (c) 2009-2019, PostgreSQL Global Development Group
 
 if [ -z "$1" ]; then
     srcdir="."
-- 
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