80 lines
2.7 KiB
Plaintext
80 lines
2.7 KiB
Plaintext
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dnl -*- shell-script -*-
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dnl
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dnl Copyright (c) 2016 IBM Corporation. All rights reserved.
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dnl $COPYRIGHT$
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dnl
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dnl Additional copyrights may follow
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dnl
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dnl $HEADER$
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dnl
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# Parameters: (use a version "1.1.4rc2" as the example)
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# * prefix
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# Will export a variable $prefix_version_cmp
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# - action_if_less => "less"
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# - action_if_equal => "equal"
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# - action_if_equal_series => "series"
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# - action_if_greater => "greater"
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# * version_actual
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# Actual version string
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# * version_desired
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# Desired version string to check against
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# * action_if_less
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# Action to take if the version is strictly less than
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# "1.1.3" < "1.1.4rc2"
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# * action_if_equal
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# Action to take if the version matches exactly
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# "1.1.4rc2" = "1.1.4rc2"
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# * action_if_equal_series
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# Action to take if the version matches to this series
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# "1.1.4rc1" ~=~ "1.1.4rc2"
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# "1.1.4" ~=~ "1.1.4rc2"
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# * action_if_greater
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# Action to take if the version is strictly greater than
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# "1.1.5" > "1.1.4rc2"
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# "2.0" > "1.1.4rc2"
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#
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# See documentation on m4_version_compare and AS_VERSION_COMPARE for more
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# precise definitions
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# OPAL_CHECK_VERSION(prefix, version_actual, version_desired,
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# action_if_less, action_if_equal, action_if_equal_series,
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# action_if_greater)
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# ----------------------------------------------------
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AC_DEFUN([OPAL_CHECK_VERSION],[
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version_actual=$2
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version_desired=$3
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AC_MSG_CHECKING([Checking library version is $version_desired])
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#
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# Example: If version_desired=1.1.4 and
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# version_actual=1.1.3 -> -1
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# version_actual=1.1.4 -> 0
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# version_actual=1.1.4rc1 -> 1
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# version_actual=1.1.5 -> 1 (need further check)
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#
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AS_VERSION_COMPARE(["$version_actual"], [$version_desired],
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[AC_MSG_RESULT([Earlier than expected ($version_actual < $$version_desired)])
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$1_version_cmp="less"
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$4],
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[AC_MSG_RESULT([Equal])
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$1_version_cmp="equal"
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$5],
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[
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# Need further check to make sure we are < 1.1.5
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# version_actual=1.1.4rc1 -> -1
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# version_actual=1.1.4 -> 0 (caught above)
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# version_actual=1.1.5 -> 1
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AS_VERSION_COMPARE(["$version_actual"], [$version_desired"zzzz"],
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[AC_MSG_RESULT([Within release series ($version_actual)])
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$1_version_cmp="series"
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$6],
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[AC_MSG_RESULT([Within release series ($version_actual)])
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$1_version_cmp="series"
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$6],
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[AC_MSG_RESULT([Later than expected ($version_actual > $$version_desired)])
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$1_version_cmp="greater"
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$7]
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)]
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)
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])dnl
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