From: Simon Glass <sjg@chromium.org>
To: Wolfgang Denk <wd@denx.de>
Cc: U-Boot Mailing List <u-boot@lists.denx.de>,
Heinrich Schuchardt <xypron.glpk@gmx.de>,
Tom Rini <trini@konsulko.com>,
Joe Hershberger <joe.hershberger@ni.com>
Subject: Re: [PATCH v6 4/7] env: Allow U-Boot scripts to be placed in a .env file
Date: Tue, 19 Oct 2021 10:14:44 -0600 [thread overview]
Message-ID: <CAPnjgZ2iMiZ=Tkqv+_b_PW6ba2D=YWZExH8B3ptRvsa5tivKvw@mail.gmail.com> (raw)
In-Reply-To: <3573552.1634659743@gemini.denx.de>
Hi Wolfgang,
On Tue, 19 Oct 2021 at 10:09, Wolfgang Denk <wd@denx.de> wrote:
>
> Dear Simon,
>
> In message <CAPnjgZ3KS06_cy8mLL2V-ezqZYO6QEecz2C78hVaUQAnAz0fNg@mail.gmail.com> you wrote:
> >
> > I thought you were trying to use + at the end of a variable.
> >
> > I used:
> >
> > fred\+=aaa
> >
> > and got
> >
> > cc1: warning: unknown escape sequence: '\=''
> >
> > You can try it yourself by editing sandbox.env in the
> > u-boot-dm/env-working tree.
>
> Hmmm...
>
> -> cat foo.c
> #define A ampersand
> #define B berta
>
> foo\+=B;
> -> gcc -E foo.c
> # 0 "foo.c"
> # 0 "<built-in>"
> # 0 "<command-line>"
> # 1 "/usr/include/stdc-predef.h" 1 3 4
> # 0 "<command-line>" 2
> # 1 "foo.c"
>
>
>
> foo\+=berta;
>
>
>
> -> cat bar.c
> fred\+=aaa
> -> gcc -E bar.c
> # 0 "bar.c"
> # 0 "<built-in>"
> # 0 "<command-line>"
> # 1 "/usr/include/stdc-predef.h" 1 3 4
> # 0 "<command-line>" 2
> # 1 "bar.c"
> fred\+=aaa
>
>
> I do not see this problem...
Would you mind actually trying it in the env file, as I suggested?
Regards,
Simon
next prev parent reply other threads:[~2021-10-19 16:15 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-14 18:22 [PATCH v6 0/7] env: Allow environment in text files Simon Glass
2021-10-14 18:22 ` [PATCH v6 1/7] binman: Allow timeout to occur in the image or its section Simon Glass
2021-10-14 18:22 ` [PATCH v6 2/7] sandbox: Drop distro_boot Simon Glass
2021-10-14 18:22 ` [PATCH v6 3/7] doc: Move environment documentation to rST Simon Glass
2021-10-14 18:22 ` [PATCH v6 4/7] env: Allow U-Boot scripts to be placed in a .env file Simon Glass
2021-10-15 14:32 ` Wolfgang Denk
2021-10-15 15:15 ` Simon Glass
2021-10-18 11:58 ` Wolfgang Denk
2021-10-18 13:37 ` Tom Rini
2021-10-18 14:10 ` Wolfgang Denk
2021-10-18 14:24 ` Tom Rini
2021-10-19 10:33 ` Wolfgang Denk
2021-10-18 18:12 ` Simon Glass
2021-10-19 10:38 ` Wolfgang Denk
2021-10-18 18:12 ` Simon Glass
2021-10-19 10:46 ` Wolfgang Denk
2021-10-19 14:11 ` Simon Glass
2021-10-19 16:09 ` Wolfgang Denk
2021-10-19 16:14 ` Simon Glass [this message]
2021-10-14 18:22 ` [PATCH v6 5/7] sandbox: Use a text-based environment Simon Glass
2021-10-14 18:22 ` [PATCH v6 6/7] doc: Improve environment documentation Simon Glass
2021-10-14 18:22 ` [PATCH v6 7/7] bootm: Tidy up use of autostart env var Simon Glass
2021-10-15 14:45 ` Wolfgang Denk
2021-10-24 19:53 ` Simon Glass
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