guile_cv_struct_utimbuf_needs_posix=no,
guile_cv_struct_utimbuf_needs_posix=yes)])
if test "$guile_cv_struct_utimbuf_needs_posix" = yes; then
- AC_DEFINE(UTIMBUF_NEEDS_POSIX)
+ AC_DEFINE([UTIMBUF_NEEDS_POSIX], 1,
+ [Define this if <utime.h> doesn't define struct utimbuf unless
+ _POSIX_SOURCE is defined. See GUILE_STRUCT_UTIMBUF in aclocal.m4.])
fi])
]
)
if test "$guile_cv_header_libc_with_unistd" = yes; then
- AC_DEFINE(LIBC_H_WITH_UNISTD_H)
+ AC_DEFINE(LIBC_H_WITH_UNISTD_H, 1,
+ [Define this if we should include <libc.h> when we've already
+ included <unistd.h>. On some systems, they conflict, and libc.h
+ should be omitted. See GUILE_HEADER_LIBC_WITH_UNISTD in
+ aclocal.m4.])
fi
]
)