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curl-functions.m4 54.3 KiB
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improve detection of gmtime_r() and strtoll()
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  fi
  #
  if test "$tst_compi_strtoll" = "yes"; then
    AC_MSG_CHECKING([if strtoll usage allowed])
    if test "x$curl_disallow_strtoll" != "xyes"; then
      AC_MSG_RESULT([yes])
      tst_allow_strtoll="yes"
    else
      AC_MSG_RESULT([no])
      tst_allow_strtoll="no"
    fi
  fi
  #
  AC_MSG_CHECKING([if strtoll might be used])
  if test "$tst_links_strtoll" = "yes" &&
     test "$tst_proto_strtoll" = "yes" &&
     test "$tst_compi_strtoll" = "yes" &&
     test "$tst_allow_strtoll" = "yes"; then
    AC_MSG_RESULT([yes])
    AC_DEFINE_UNQUOTED(HAVE_STRTOLL, 1,
      [Define to 1 if you have the strtoll function.])
    ac_cv_func_strtoll="yes"
  else
    AC_MSG_RESULT([no])
    ac_cv_func_strtoll="no"
  fi
])
Yang Tse's avatar
rearrange to allow internal/private use of ares_writev to any system  
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dnl CURL_CHECK_FUNC_WRITEV
dnl -------------------------------------------------
dnl Verify if writev is available, prototyped, and
dnl can be compiled. If all of these are true, and
dnl usage has not been previously disallowed with
dnl shell variable curl_disallow_writev, then
dnl HAVE_WRITEV will be defined.

AC_DEFUN([CURL_CHECK_FUNC_WRITEV], [
  AC_REQUIRE([CURL_INCLUDES_SYS_UIO])dnl
  #
  tst_links_writev="unknown"
  tst_proto_writev="unknown"
  tst_compi_writev="unknown"
  tst_allow_writev="unknown"
  #
  AC_MSG_CHECKING([if writev can be linked])
  AC_LINK_IFELSE([
    AC_LANG_FUNC_LINK_TRY([writev])
  ],[
    AC_MSG_RESULT([yes])
    tst_links_writev="yes"
  ],[
    AC_MSG_RESULT([no])
    tst_links_writev="no"
  ])
  #
  if test "$tst_links_writev" = "yes"; then
    AC_MSG_CHECKING([if writev is prototyped])
    AC_EGREP_CPP([writev],[
      $curl_includes_sys_uio
    ],[
      AC_MSG_RESULT([yes])
      tst_proto_writev="yes"
    ],[
      AC_MSG_RESULT([no])
      tst_proto_writev="no"
    ])
  fi
  #
  if test "$tst_proto_writev" = "yes"; then
    AC_MSG_CHECKING([if writev is compilable])
    AC_COMPILE_IFELSE([
      AC_LANG_PROGRAM([[
        $curl_includes_sys_uio
      ]],[[
        if(0 != writev(0, 0, 0))
          return 1;
      ]])
    ],[
      AC_MSG_RESULT([yes])
      tst_compi_writev="yes"
    ],[
      AC_MSG_RESULT([no])
      tst_compi_writev="no"
    ])
  fi
  #
  if test "$tst_compi_writev" = "yes"; then
    AC_MSG_CHECKING([if writev usage allowed])
    if test "x$curl_disallow_writev" != "xyes"; then
      AC_MSG_RESULT([yes])
      tst_allow_writev="yes"
    else
      AC_MSG_RESULT([no])
      tst_allow_writev="no"
    fi
  fi
  #
  AC_MSG_CHECKING([if writev might be used])
  if test "$tst_links_writev" = "yes" &&
     test "$tst_proto_writev" = "yes" &&
     test "$tst_compi_writev" = "yes" &&
     test "$tst_allow_writev" = "yes"; then
    AC_MSG_RESULT([yes])
    AC_DEFINE_UNQUOTED(HAVE_WRITEV, 1,
      [Define to 1 if you have the writev function.])
    ac_cv_func_writev="yes"
  else
    AC_MSG_RESULT([no])
    ac_cv_func_writev="no"
  fi
])
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