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26 lines
994 B
Plaintext
26 lines
994 B
Plaintext
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dnl AC_VALIDATE_CACHE_SYSTEM_TYPE[(cmd)]
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dnl if the cache file is inconsistent with the current host,
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dnl target and build system types, execute CMD or print a default
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dnl error message.
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AC_DEFUN(AC_VALIDATE_CACHE_SYSTEM_TYPE, [
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AC_REQUIRE([AC_CANONICAL_SYSTEM])
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AC_MSG_CHECKING([config.cache system type])
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if { test x"${ac_cv_host_system_type+set}" = x"set" &&
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test x"$ac_cv_host_system_type" != x"$host"; } ||
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{ test x"${ac_cv_build_system_type+set}" = x"set" &&
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test x"$ac_cv_build_system_type" != x"$build"; } ||
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{ test x"${ac_cv_target_system_type+set}" = x"set" &&
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test x"$ac_cv_target_system_type" != x"$target"; }; then
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AC_MSG_RESULT([different])
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ifelse($#, 1, [$1],
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[AC_MSG_ERROR(["you must remove config.cache and restart configure"])])
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else
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AC_MSG_RESULT([same])
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fi
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ac_cv_host_system_type="$host"
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ac_cv_build_system_type="$build"
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ac_cv_target_system_type="$target"
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])
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