bug#11524: ping on automake bug#11524

[Dagobert Michelsen]

Hi Stefano,

Am 22.11.2012 um 10:39 schrieb Stefano Lattarini <address@hidden>:

> [+cc bug#12836, automake-patches]
> 
> On 11/21/2012 10:17 PM, Dagobert Michelsen wrote:
>> Hi Stefano,
>> 
> Hi Dagobert, thanks for the quick reply.
> 
>> Am 21.11.2012 um 11:11 schrieb Stefano Lattarini <address@hidden>:
>>> Reference:
>>> <http://debbugs.gnu.org/cgi/bugreport.cgi?bug=11524>
>>> 
>>> Any news on this bug?  Can it still be reproduced with Automake 1.12.5?
>>> Can it be reproduced with the development version of Automake from the
>>> 'master' branch?  Since the evidence so far seems to point to spurious
>>> errors, I will close this report in a few days if I haven't heard back
>>> by then.
>> 
>> 
>> I still get quite some failures:
>>  http://buildfarm.opencsw.org/~dam/automake-1.12.5-test-suite.log
>> 
> Let's try to go through them one by one (in different replies).
> 
>> FAIL: t/lex-header
>> lex-header: running flex --version
>> flex version 2.5.4
>> 
> OK, this version of flex is ~ 15 years old, and ...
> 
>> /bin/bash ./ylwrap `test -f 'lexer.l' || echo './'`lexer.l \
>>   lex.yy.c foo-lexer.c -- flex --header-file=mylex.h
>> flex: unknown flag '-'.  For usage, try
>>      flex --help
>> *** Error code 1
>> make: Fatal error: Command failed for target `foo-lexer.c'
>> 
> ... doesn't support the '--header-file' option.  This issue has been
> reported once already (in automake bug#12836, which I am CC:ing).
> The patch should take care of the issue.  Can you confirm it works?

Looks good, no more "unknown flag" in test-suite.log


Best regards

  -- Dago

> ---- 8< ---- 8< ---- 8< ---- 8< ---- 8< ---- 8< ---- 8< ---- 8< ----
> 
> From 656f866264c7afe0f821eb0962aad8ff2f65c531 Mon Sep 17 00:00:00 2001
> Message-Id: <address@hidden>
> From: Stefano Lattarini <address@hidden>
> Date: Thu, 22 Nov 2012 10:29:37 +0100
> Subject: [PATCH] tests: fix a spurious failure with older flex versions
> 
> See automake bug#11524 and bug#12836.
> 
> * t/lex-header.sh: Here, we use flex option '--header-file',
> but that option is not supported by some older flex versions.
> Simply skip this test if such an old flex version is detected.
> 
> Signed-off-by: Stefano Lattarini <address@hidden>
> ---
> t/lex-header.sh | 6 ++++++
> 1 file changed, 6 insertions(+)
> 
> diff --git a/t/lex-header.sh b/t/lex-header.sh
> index f8d7333..ad2976e 100755
> --- a/t/lex-header.sh
> +++ b/t/lex-header.sh
> @@ -20,6 +20,12 @@
> required='cc flex'
> . ./defs || exit 1
> 
> +# Here, we need to use the use flex option '--header-file', but some
> +# older flex versions don't support is (see automake bug#11524 and
> +# bug#12836).  Skip this test if such an old flex version is detected.
> +$LEX --help | grep '.*--header-file' \
> +  || skip_ "flex doesn't support the --header-file' option"
> +
> cat >> configure.ac << 'END'
> AC_PROG_CC
> AC_PROG_LEX
> -- 
> 1.8.0.209.gf3828dc

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