bd74205d6a
* bugpoint.1 * clang.1 * llc.1 * lldb.1 * lli.1 * llvm-ar.1 * llvm-as.1 * llvm-bcanalyzer.1 * llvm-cov.1 * llvm-diff.1 * llvm-dis.1 * llvm-dwarfdump.1 * llvm-extract.1 * llvm-link.1 * llvm-mca.1 * llvm-nm.1 * llvm-pdbutil.1 * llvm-profdata.1 * llvm-symbolizer.1 * llvm-tblgen.1 * opt.1 Add newly generated manpages for: * llvm-addr2line.1 (this is an alias of llvm-symbolizer) * llvm-cxxfilt.1 * llvm-objcopy.1 * llvm-ranlib.1 (this is an alias of llvm-ar) Note that llvm-objdump.1 is an exception, as upstream has both a plain .1 file, and a .rst variant. These will have to be reconciled upstream first. MFC after: 3 days
421 lines
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421 lines
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Groff
.\" $FreeBSD$
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.\" Man page generated from reStructuredText.
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.
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.TH "LLVM-AR" "1" "2020-06-26" "10" "LLVM"
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.SH NAME
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llvm-ar \- LLVM archiver
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.
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.nr rst2man-indent-level 0
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..
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.\" indent \\n[an-margin]
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.\" new: \\n[rst2man-indent\\n[rst2man-indent-level]]
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.in \\n[rst2man-indent\\n[rst2man-indent-level]]u
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..
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.SH SYNOPSIS
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.sp
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\fBllvm\-ar\fP [\-]{dmpqrstx}[abcDilLNoOPsSTuUvV] [relpos] [count] archive [files...]
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.SH DESCRIPTION
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.sp
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The \fBllvm\-ar\fP command is similar to the common Unix utility,
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\fBar\fP\&. It archives several files, such as objects and LLVM bitcode
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files into a single archive library that can be linked into a program. However,
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the archive can contain any kind of file. By default, \fBllvm\-ar\fP
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generates a symbol table that makes linking faster because only the symbol
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table needs to be consulted, not each individual file member of the archive.
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.sp
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The \fBllvm\-ar\fP command can be used to \fIread\fP archive files in SVR4,
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GNU, BSD and Darwin format, and \fIwrite\fP in the GNU, BSD, and Darwin style
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archive files. If an SVR4 format archive is used with the \fI\%r\fP
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(replace), \fI\%d\fP (delete), \fI\%m\fP (move) or \fI\%q\fP
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(quick update) operations, the archive will be reconstructed in the format
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defined by \fI\%\-\-format\fP\&.
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.sp
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Here\(aqs where \fBllvm\-ar\fP departs from previous \fBar\fP
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implementations:
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.sp
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\fIThe following option is not supported\fP
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.INDENT 0.0
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.INDENT 3.5
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[f] \- truncate inserted filenames
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.UNINDENT
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.UNINDENT
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.sp
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\fIThe following options are ignored for compatibility\fP
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.INDENT 0.0
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.INDENT 3.5
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\-\-plugin=<string> \- load a plugin which adds support for other file formats
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.sp
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[l] \- ignored in \fBar\fP
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.UNINDENT
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.UNINDENT
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.sp
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\fISymbol Table\fP
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.INDENT 0.0
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.INDENT 3.5
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Since \fBllvm\-ar\fP supports bitcode files, the symbol table it creates
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includes both native and bitcode symbols.
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.UNINDENT
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.UNINDENT
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.sp
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\fIDeterministic Archives\fP
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.INDENT 0.0
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.INDENT 3.5
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By default, \fBllvm\-ar\fP always uses zero for timestamps and UIDs/GIDs
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to write archives in a deterministic mode. This is equivalent to the
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\fI\%D\fP modifier being enabled by default. If you wish to maintain
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compatibility with other \fBar\fP implementations, you can pass the
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\fI\%U\fP modifier to write actual timestamps and UIDs/GIDs.
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.UNINDENT
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.UNINDENT
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.sp
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\fIWindows Paths\fP
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.INDENT 0.0
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.INDENT 3.5
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When on Windows \fBllvm\-ar\fP treats the names of archived \fIfiles\fP in the same
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case sensitive manner as the operating system. When on a non\-Windows machine
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\fBllvm\-ar\fP does not consider character case.
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.UNINDENT
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.UNINDENT
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.SH OPTIONS
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.sp
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\fBllvm\-ar\fP operations are compatible with other \fBar\fP
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implementations. However, there are a few modifiers (\fI\%L\fP) that are not
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found in other \fBar\fP implementations. The options for
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\fBllvm\-ar\fP specify a single basic Operation to perform on the archive,
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a variety of Modifiers for that Operation, the name of the archive file, and an
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optional list of file names. If the \fIfiles\fP option is not specified, it
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generally means either "none" or "all" members, depending on the operation. The
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Options, Operations and Modifiers are explained in the sections below.
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.sp
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The minimal set of options is at least one operator and the name of the
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archive.
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.SS Operations
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.INDENT 0.0
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.TP
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.B d [NT]
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Delete files from the \fBarchive\fP\&. The \fI\%N\fP and \fI\%T\fP modifiers
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apply to this operation. The \fIfiles\fP options specify which members should be
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removed from the archive. It is not an error if a specified file does not
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appear in the archive. If no \fIfiles\fP are specified, the archive is not
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modified.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B m [abi]
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Move files from one location in the \fBarchive\fP to another. The \fI\%a\fP,
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\fI\%b\fP, and \fI\%i\fP modifiers apply to this operation. The \fIfiles\fP
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will all be moved to the location given by the modifiers. If no modifiers are
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used, the files will be moved to the end of the archive. If no \fIfiles\fP are
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specified, the archive is not modified.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B p [v]
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Print \fIfiles\fP to the standard output stream. If no \fIfiles\fP are specified, the
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entire \fBarchive\fP is printed. With the \fI\%v\fP modifier,
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\fBllvm\-ar\fP also prints out the name of the file being output. Printing
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binary files is ill\-advised as they might confuse your terminal settings. The
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\fI\%p\fP operation never modifies the archive.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B q [LT]
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Quickly append files to the end of the \fBarchive\fP without removing
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duplicates. If no \fIfiles\fP are specified, the archive is not modified. The
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behavior when appending one archive to another depends upon whether the
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\fI\%L\fP and \fI\%T\fP modifiers are used:
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.INDENT 7.0
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.IP \(bu 2
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Appending a regular archive to a regular archive will append the archive
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file. If the \fI\%L\fP modifier is specified the members will be appended
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instead.
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.IP \(bu 2
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Appending a regular archive to a thin archive requires the \fI\%T\fP
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modifier and will append the archive file. The \fI\%L\fP modifier is not
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supported.
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.IP \(bu 2
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Appending a thin archive to a regular archive will append the archive file.
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If the \fI\%L\fP modifier is specified the members will be appended
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instead.
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.IP \(bu 2
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Appending a thin archive to a thin archive will always quick append its
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members.
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.UNINDENT
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.UNINDENT
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.INDENT 0.0
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.TP
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.B r [abTu]
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Replace existing \fIfiles\fP or insert them at the end of the \fBarchive\fP if
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they do not exist. The \fI\%a\fP, \fI\%b\fP, \fI\%T\fP and \fI\%u\fP
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modifiers apply to this operation. If no \fIfiles\fP are specified, the archive
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is not modified.
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.UNINDENT
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.sp
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t[v]
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.. option:: t [vO]
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.INDENT 0.0
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.INDENT 3.5
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Print the table of contents. Without any modifiers, this operation just prints
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the names of the members to the standard output stream. With the \fI\%v\fP
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modifier, \fBllvm\-ar\fP also prints out the file type (B=bitcode,
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S=symbol table, blank=regular file), the permission mode, the owner and group,
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are ignored when extracting \fIfiles\fP and set to placeholder values when adding
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size, and the date. With the \fI\%O\fP modifier, display member offsets. If
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any \fIfiles\fP are specified, the listing is only for those files. If no \fIfiles\fP
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are specified, the table of contents for the whole archive is printed.
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.UNINDENT
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.UNINDENT
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.INDENT 0.0
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.TP
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.B V
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A synonym for the \fI\%\-\-version\fP option.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B x [oP]
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Extract \fBarchive\fP members back to files. The \fI\%o\fP modifier applies
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to this operation. This operation retrieves the indicated \fIfiles\fP from the
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archive and writes them back to the operating system\(aqs file system. If no
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\fIfiles\fP are specified, the entire archive is extracted.
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.UNINDENT
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.SS Modifiers (operation specific)
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.sp
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The modifiers below are specific to certain operations. See the Operations
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section to determine which modifiers are applicable to which operations.
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.INDENT 0.0
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.TP
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.B a
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When inserting or moving member files, this option specifies the destination
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of the new files as being after the \fIrelpos\fP member. If \fIrelpos\fP is not found,
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the files are placed at the end of the \fBarchive\fP\&. \fIrelpos\fP cannot be
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consumed without either \fI\%a\fP, \fI\%b\fP or \fI\%i\fP\&.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B b
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When inserting or moving member files, this option specifies the destination
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of the new files as being before the \fIrelpos\fP member. If \fIrelpos\fP is not
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found, the files are placed at the end of the \fBarchive\fP\&. \fIrelpos\fP cannot
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be consumed without either \fI\%a\fP, \fI\%b\fP or \fI\%i\fP\&. This
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modifier is identical to the \fI\%i\fP modifier.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B i
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A synonym for the \fI\%b\fP option.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B L
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When quick appending an \fBarchive\fP, instead quick append its members. This
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is a feature for \fBllvm\-ar\fP that is not found in gnu\-ar.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B N
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When extracting or deleting a member that shares its name with another member,
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the \fIcount\fP parameter allows you to supply a positive whole number that
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selects the instance of the given name, with "1" indicating the first
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instance. If \fI\%N\fP is not specified the first member of that name will
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be selected. If \fIcount\fP is not supplied, the operation fails.*count* cannot be
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.UNINDENT
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.INDENT 0.0
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.TP
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.B o
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When extracting files, use the modification times of any \fIfiles\fP as they
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appear in the \fBarchive\fP\&. By default \fIfiles\fP extracted from the archive
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use the time of extraction.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B O
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Display member offsets inside the archive.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B T
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When creating or modifying an archive, this option specifies that the
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\fBarchive\fP will be thin. By default, archives are not created as thin
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archives and when modifying a thin archive, it will be converted to a regular
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archive.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B v
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When printing \fIfiles\fP or the \fBarchive\fP table of contents, this modifier
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instructs \fBllvm\-ar\fP to include additional information in the output.
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.UNINDENT
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.SS Modifiers (generic)
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.sp
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The modifiers below may be applied to any operation.
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.INDENT 0.0
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.TP
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.B c
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For the \fI\%r\fP (replace)and \fI\%q\fP (quick update) operations,
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\fBllvm\-ar\fP will always create the archive if it doesn\(aqt exist.
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Normally, \fBllvm\-ar\fP will print a warning message indicating that the
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\fBarchive\fP is being created. Using this modifier turns off
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that warning.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B D
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Use zero for timestamps and UIDs/GIDs. This is set by default.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B P
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Use full paths when matching member names rather than just the file name.
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This can be useful when manipulating an \fBarchive\fP generated by another
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archiver, as some allow paths as member names. This is the default behavior
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for thin archives.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B s
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This modifier requests that an archive index (or symbol table) be added to the
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\fBarchive\fP, as if using ranlib. The symbol table will contain all the
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externally visible functions and global variables defined by all the bitcode
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files in the archive. By default \fBllvm\-ar\fP generates symbol tables in
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archives. This can also be used as an operation.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B S
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This modifier is the opposite of the \fI\%s\fP modifier. It instructs
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\fBllvm\-ar\fP to not build the symbol table. If both \fI\%s\fP and
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\fI\%S\fP are used, the last modifier to occur in the options will prevail.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B u
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Only update \fBarchive\fP members with \fIfiles\fP that have more recent
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timestamps.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B U
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Use actual timestamps and UIDs/GIDs.
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.UNINDENT
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.SS Other
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.INDENT 0.0
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.TP
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.B \-\-format=<type>
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This option allows for default, gnu, darwin or bsd \fB<type>\fP to be selected.
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When creating an \fBarchive\fP, \fB<type>\fP will default to that of the host
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machine.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-h, \-\-help
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Print a summary of command\-line options and their meanings.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-M
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This option allows for MRI scripts to be read through the standard input
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stream. No other options are compatible with this option.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-\-version
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Display the version of the \fBllvm\-ar\fP executable.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B @<FILE>
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Read command\-line options and commands from response file \fB<FILE>\fP\&.
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.UNINDENT
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.SH MRI SCRIPTS
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.sp
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\fBllvm\-ar\fP understands a subset of the MRI scripting interface commonly
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supported by archivers following in the ar tradition. An MRI script contains a
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sequence of commands to be executed by the archiver. The \fI\%\-M\fP option
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allows for an MRI script to be passed to \fBllvm\-ar\fP through the
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standard input stream.
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.sp
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Note that \fBllvm\-ar\fP has known limitations regarding the use of MRI
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scripts:
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.INDENT 0.0
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.IP \(bu 2
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Each script can only create one archive.
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.IP \(bu 2
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Existing archives can not be modified.
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.UNINDENT
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.SS MRI Script Commands
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.sp
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Each command begins with the command\(aqs name and must appear on its own line.
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Some commands have arguments, which must be separated from the name by
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whitespace. An MRI script should begin with either a \fI\%CREATE\fP or
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\fI\%CREATETHIN\fP command and will typically end with a \fI\%SAVE\fP
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command. Any text after either \(aq*\(aq or \(aq;\(aq is treated as a comment.
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.INDENT 0.0
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.TP
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.B CREATE archive
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Begin creation of a regular archive with the specified name. Subsequent
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commands act upon this \fBarchive\fP\&.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B CREATETHIN archive
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Begin creation of a thin archive with the specified name. Subsequent
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commands act upon this \fBarchive\fP\&.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B ADDLIB archive
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Append the contents of \fBarchive\fP to the current archive.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B ADDMOD <file>
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Append \fB<file>\fP to the current archive.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B DELETE <file>
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Delete the member of the current archive whose file name, excluding directory
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components, matches \fB<file>\fP\&.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B SAVE
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Write the current archive to the path specified in the previous
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\fI\%CREATE\fP/\fI\%CREATETHIN\fP command.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B END
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Ends the MRI script (optional).
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.UNINDENT
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.SH EXIT STATUS
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.sp
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If \fBllvm\-ar\fP succeeds, it will exit with 0. Otherwise, if an error occurs, it
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will exit with a non\-zero value.
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.SH AUTHOR
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Maintained by the LLVM Team (https://llvm.org/).
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.SH COPYRIGHT
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2003-2020, LLVM Project
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.\" Generated by docutils manpage writer.
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.
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