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#serial 1
dnl From Jim Meyering
dnl Define HAVE_STRUCT_UTIMBUF if `struct utimbuf' is declared --
dnl usually in <utime.h>.
dnl Some systems have utime.h but don't declare the struct anywhere.
AC_DEFUN(jm_STRUCT_UTIMBUF,
[
AC_CHECK_HEADERS(utime.h)
AC_REQUIRE([AC_HEADER_TIME])
AC_CACHE_CHECK([for struct utimbuf], fu_cv_sys_struct_utimbuf,
[AC_TRY_COMPILE(
[
#ifdef TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif
#ifdef HAVE_UTIME_H
# include <utime.h>
#endif
],
[static struct utimbuf x; x.actime = x.modtime;],
fu_cv_sys_struct_utimbuf=yes,
fu_cv_sys_struct_utimbuf=no)
])
if test $fu_cv_sys_struct_utimbuf = yes; then
if test x = y; then
# This code is deliberately never run via ./configure.
# FIXME: this is a hack to make autoheader put the corresponding
# HAVE_* undef for this symbol in config.h.in. This saves me the
# trouble of having to maintain the #undef in acconfig.h manually.
AC_CHECK_FUNCS(STRUCT_UTIMBUF)
fi
# Defining it this way (rather than via AC_DEFINE) short-circuits the
# autoheader check -- autoheader doesn't know it's already been taken
# care of by the hack above.
ac_kludge=HAVE_STRUCT_UTIMBUF
AC_DEFINE_UNQUOTED($ac_kludge)
fi
])
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