10.0
10.0-rc1
10.1
10.1-rc1
11.0
11.0-rc1
11.0-rc2
11.0-rc3
11.1
11.1-rc1
11.2
11.2-rc1
11.3
11.3-rc1
12.0
12.0-rc1
12.1
12.1-rc1
6.0
6.1
6.1.1
6.3
6.4
6.5
6.6
6.7
6.8
7.0
7.1
7.2
7.3
7.4
7.5
7.5-systemd
7.6
7.6-systemd
7.7
7.7-systemd
7.8
7.8-systemd
7.9
7.9-systemd
8.0
8.1
8.2
8.3
8.4
9.0
9.1
arm
bdubbs/gcc13
ml-11.0
multilib
renodr/libudev-from-systemd
s6-init
trunk
v3_0
v3_1
v3_2
v3_3
v4_0
v4_1
v5_0
v5_1
v5_1_1
xry111/arm64
xry111/arm64-12.0
xry111/clfs-ng
xry111/lfs-next
xry111/loongarch
xry111/loongarch-12.0
xry111/loongarch-12.1
xry111/mips64el
xry111/pip3
xry111/rust-wip-20221008
xry111/update-glibc
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| 1 | <sect2>
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| 2 | <title>Contents</title>
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| 3 |
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| 4 | <para>
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| 5 | The M4 package contains the M4 processor
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| 6 | </para>
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| 7 |
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| 8 | </sect2>
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| 9 |
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| 10 | <sect2>
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| 11 | <title>Description</title>
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| 12 |
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| 13 | <para>
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| 14 | M4 is a macro processor. It copies input to output expanding macros as it
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| 15 | goes. Macros are either builtin or user-defined and can take any number
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| 16 | of arguments. Besides just doing macro expansion m4 has builtin functions
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| 17 | for including named files, running UNIX commands, doing integer arithmetic,
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| 18 | manipulating text in various ways, recursion, etc. M4 can be used either
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| 19 | as a front-end to a compiler or as a macro processor in its own right.
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| 20 | </para>
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| 21 |
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| 22 | </sect2>
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| 23 |
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