On 12-02-14 05:19 PM, Jon TURNEY wrote: > On 14/02/2012 16:29, Gaetan Nadon wrote: >> On 12-02-13 06:13 PM, Jeremy Huddleston wrote: >>> I just noticed this when using autoconf-2.61 ... does AS_ECHO_N require a >>> newer version of autoconf? Can we work around that requirement? >>> >>> ... >>> configure:4924: error: possibly undefined macro: AS_ECHO_N >>> If this token and others are legitimate, please use m4_pattern_allow. >>> See the Autoconf documentation. >>> autoreconf: /usr/bin/autoconf failed with exit status: 1 >>> ... >> The AS_ECHO_N macro was introduced in 2.62. This information is not >> written in the autoconf manual, so it is very difficult to catch. >> >> I think we can use AS_ECHO as the string is not sent to stdout but >> stored in a variable. There is therefore no new line to suppress. > Yes, it seems I was excessively cautious in using AS_ECHO_N and AS_ECHO should > be fine, if backticks remove trailing newlines. I wasn't aware of that, but command substitution compresses whitespace if the string (in this case the argument to the AS_ECHO command) is not quoted.
On a Debian platform, AS_ECHO is implemented with printf %s\n. > > Attached is a patch for review. Reviewed-by: Gaetan Nadon <[email protected]>
_______________________________________________ [email protected]: X.Org development Archives: http://lists.x.org/archives/xorg-devel Info: http://lists.x.org/mailman/listinfo/xorg-devel
