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According to Bruno Haible on 5/28/2007 7:01 AM:
> --- 9,40 ----
>     AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
>     AC_REQUIRE([AC_PROG_CC])
>     AC_CACHE_CHECK([whether lseek detects pipes], [gl_cv_func_lseek_pipe],
> !     [if test $cross_compiling = no; then
> !        AC_LINK_IFELSE([
> ! #include <sys/types.h> /* for off_t */

Isn't this redundant...

> ! #include <stdio.h> /* for SEEK_CUR */
> ! #include <unistd.h>

... since unistd.h must also provide off_t?

At any rate, thanks for improving this check.

- --
Don't work too hard, make some time for fun as well!

Eric Blake             [EMAIL PROTECTED]
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