[tz] [PROPOSED 1/4] More updates to GCC_DEBUG_FLAGS for GCC 14

[Paul Eggert]

On 2024-05-27 08:59, brian.inglis--- via tz wrote:

> major distros LTS and stable editions may still be 
> on GCC 11, so patches *depending* on GCC 14 will have to be backed out, 
> or code releases skipped until that support is available.

That shouldn't be a problem, as those compiler options are not used 
unless the developer specifically asks for them. As far as I know, I'm 
the only developer who does that, and I do so only with the latest GCC 
because it's not worth my time porting that stuff to older GCC (or to 
recent Clang, for that matter).

I installed the attached to try to document this better, and also to 
remove a dependency of 'make check' on 'curl' that I noticed while 
looking into this.

I tested by running 'make check' on Solaris 10 (2005), which is still 
supported by Oracle and which ships with GCC 3.4.3 (dated 2004) as an 
installable option. It worked fine, though I had to build as follows 
because Solaris 10 is so old its default environment does not conform to 
POSIX by default:

   make AWK=nawk SHELL=ksh CC='gcc -std=c99' check
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