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42 lines
1.1 KiB
Text
42 lines
1.1 KiB
Text
dnl ######################################################################
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dnl ensure that linux kernel headers match running kernel
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AC_DEFUN(AMU_LINUX_HEADERS,
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[
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# test sanity of running kernel vs. kernel headers
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AC_MSG_CHECKING("host headers version")
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case ${host_os} in
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linux )
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host_header_version="bad"
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AMU_EXPAND_RUN_STRING(
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[
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#include <stdio.h>
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#include <linux/version.h>
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],
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[
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if (argc > 1)
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printf("%s", UTS_RELEASE);
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],
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[ host_header_version=$value ],
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[ echo
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AC_MSG_ERROR([cannot find UTS_RELEASE in <linux/version.h>.
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This Linux system may be misconfigured or unconfigured!])
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])
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;;
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* ) host_header_version=$host_os_version ;;
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esac
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AC_DEFINE_UNQUOTED(HOST_HEADER_VERSION, "$host_header_version")
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AC_MSG_RESULT($host_header_version)
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case ${host_os} in
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linux )
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if test "$host_os_version" != $host_header_version
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then
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AC_MSG_WARN([Linux kernel $host_os_version mismatch with $host_header_version headers!])
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fi
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;;
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esac
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dnl cache these two for debugging purposes
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ac_cv_os_version=$host_os_version
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ac_cv_header_version=$host_header_version
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])
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dnl ======================================================================
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