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c9c0d073da
Add autoconf style build infrastructure to the ZFS tree. This includes autogen.sh, configure.ac, m4 macros, some scripts/*, and makefiles for all the core ZFS components.
21 lines
474 B
Plaintext
21 lines
474 B
Plaintext
dnl #
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dnl # 2.6.x API change
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_RQ_FOR_EACH_SEGMENT], [
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AC_MSG_CHECKING([whether rq_for_each_segment() is available])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/blkdev.h>
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],[
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struct bio_vec *bv;
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struct req_iterator iter;
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struct request *req = NULL;
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rq_for_each_segment(bv, req, iter) { }
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_RQ_FOR_EACH_SEGMENT, 1,
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[rq_for_each_segment() is available])
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],[
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AC_MSG_RESULT(no)
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])
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])
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