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34 lines
962 B
Plaintext
34 lines
962 B
Plaintext
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dnl #############################################
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dnl see if we have nanosecond resolution for stat
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AC_CACHE_CHECK([for tv_nsec nanosecond fields in struct stat],ac_cv_have_stat_tv_nsec,[
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AC_TRY_COMPILE(
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[
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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],
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[struct stat st;
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st.st_mtim.tv_nsec;
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st.st_atim.tv_nsec;
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st.st_ctim.tv_nsec;
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],
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ac_cv_decl_have_stat_tv_nsec=yes,
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ac_cv_decl_have_stat_tv_nsec=no)
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])
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if test x"$ac_cv_decl_have_stat_tv_nsec" = x"yes"; then
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AC_DEFINE(HAVE_STAT_TV_NSEC,1,[Whether stat has tv_nsec nanosecond fields])
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fi
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dnl ############################################
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dnl use flistxattr as the key function for having
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dnl sufficient xattr support for posix xattr backend
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AC_CHECK_HEADERS(sys/attributes.h attr/xattr.h sys/xattr.h)
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AC_SEARCH_LIBS(flistxattr, [attr])
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AC_CHECK_FUNCS(flistxattr)
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if test x"$ac_cv_func_flistxattr" = x"yes"; then
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AC_DEFINE(HAVE_XATTR_SUPPORT,1,[Whether we have xattr support])
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fi
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