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