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Re: [RFC] Ignore source code comments in scripts/check-installed-headers.sh
- From: DJ Delorie <dj at redhat dot com>
- To: Tulio Magno Quites Machado Filho <tuliom at linux dot ibm dot com>
- Cc: carlos at redhat dot com, libc-alpha at sourceware dot org
- Date: Wed, 16 Jan 2019 18:29:29 -0500
- Subject: Re: [RFC] Ignore source code comments in scripts/check-installed-headers.sh
Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com> writes:
> With -fpreprocessed, we can still check for that:
>
> :: test.h
> ::::
> *** Obsolete types detected:
> ./test.h:#define ulong unsigned long
> ./test.h:ulong x;
I just tested this (gcc 4 and 7), and the #define didn't survive the
trip...
$ cat foo.c
#define ulong unsigned long
ulong x; /* don't use ulong */
$ gcc -E -fpreprocessed foo.c
# 3 "foo.c"
ulong x;