> $ ./configure
> checking for gcc... gcc
> checking for C compiler default output file name... a.out
> checking whether the C compiler works... yes
> checking whether we are cross compiling... no
> checking for suffix of executables...
> checking for suffix of object files... o
> checking whether we are using the GNU C compiler... yes
> checking whether gcc accepts -g... yes
> checking for gcc option to accept ANSI C... none needed
> checking for signalfd... no
> ./configure: line 2303: syntax error near unexpected token
> `linux/types.h'
> ./configure: line 2303: `AC_CHECK_HEADERS_ONCE(linux/types.h)'
This is the nightmare which people were afraid of.
Look at following commit.
[EMAIL PROTECTED] m4]$ git-log ltp-signalfd.m4 | cat
...
commit 8d9911c6cf1dd957a57690eb6f95ac44660ebdbc
Author: vapier <vapier>
Date: Wed Nov 12 19:29:11 2008 +0000
use AC_CHECK_HEADERS_ONCE()
When you run autoconf, AC_CHECK_HEADERS_ONCE m4 macro is not expanded.
I guess AC_CHECK_HEADERS_ONCE is rather newer macro.
So your autoconf doesn't know about it.
Update the version of autoconf and try again:
touch configure.ac; make configure; ./configure;
About my environment:
[EMAIL PROTECTED] ltp-git]$ autoconf --version
autoconf (GNU Autoconf) 2.61
We should add AC_PREREQ to our configure.ac or ltp-signalfd.m4.
But I'm not sure which VERSION we specify.
-- Macro: AC_PREREQ (VERSION)
Ensure that a recent enough version of Autoconf is being used. If
the version of Autoconf being used to create `configure' is
earlier than VERSION, print an error message to the standard error
output and exit with failure (exit status is 63). For example:
AC_PREREQ([2.61])
This macro is the only macro that may be used before `AC_INIT', but
for consistency, you are invited not to do so.
Masatake YAMATO
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