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authorRuss Cox <rsc@swtch.com>2020-01-19 21:10:11 -0500
committerRuss Cox <rsc@swtch.com>2020-01-19 23:04:58 -0500
commitcb8f7357867a2a5d0bd742ceeb77bce9ad5f435c (patch)
treee21e8faaa68f8df48632973444a664f582de719a /man/man1
parent8d82ccefd2b4b058e20ae0a7e3d9ef9b6b8cf8c3 (diff)
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all: remove Linux 2.4 vs 2.6 detection
Linux 2.4 is dead. (The libthread code hasn't worked for Linux 2.4 for a long time.)
Diffstat (limited to 'man/man1')
-rw-r--r--man/man1/9c.112
-rw-r--r--man/man1/install.123
2 files changed, 11 insertions, 24 deletions
diff --git a/man/man1/9c.1 b/man/man1/9c.1
index fb04a296..8d24d67d 100644
--- a/man/man1/9c.1
+++ b/man/man1/9c.1
@@ -79,9 +79,7 @@ to the include path.
.I 9c
also defines
.B __sun__
-on SunOS systems and
-.B __Linux26__
-on Linux systems with 2.6-series kernels.
+on SunOS systems.
.PP
.I 9a
assembles the named files into object files for the current system.
@@ -136,13 +134,13 @@ but
always provides the following key characters:
.TP
.B d
-Delete
-.I files
+Delete
+.I files
from the archive file.
.TP
.B r
Replace
-.I files
+.I files
in the archive file, or add them if missing.
.TP
.B t
@@ -181,7 +179,7 @@ Normally
will create a new archive when
.I afile
does not exist, and give a warning.
-Option
+Option
.B c
discards any old contents and suppresses the warning.
.PD
diff --git a/man/man1/install.1 b/man/man1/install.1
index be35bd35..8fcc9e41 100644
--- a/man/man1/install.1
+++ b/man/man1/install.1
@@ -32,7 +32,7 @@ rebuilds and installs everything, and then cleans up.
.PP
There are a few files in tree which have the root
hard-coded in them.
-After the build,
+After the build,
.I INSTALL
edits these files to replace the string
.B /usr/local/plan9
@@ -71,31 +71,20 @@ expectations of certain package management systems.
.PP
At the end of the installation,
.I INSTALL
-prints suggested settings for the environment variables
+prints suggested settings for the environment variables
.B $PLAN9
and
.BR $PATH .
.PP
-Plan 9 from User Space uses different threading implementations on Linux 2.6 and
-later kernels than on 2.4 and earlier;
-and on FreeBSD 5 and later kernels than on FreeBSD 4 and earlier.
-Running binaries from one class on another will not work.
-.PP
-Some Linux 2.6 systems (e.g., Gentoo) do not use the new NPTL pthread library
-even though the kernel supports them. On these systems, plan9port must
-fall back on the threading code intended for Linux 2.4. To accomplish this,
.I INSTALL
-checks whether the running system uses NPTL and sets
-.B SYSVERSION
-in
-.B \*9/config
-accordingly.
+writes various autodetected settings to
+.BR \*9/config .
The file
.B \*9/LOCAL.config
is appended to
.B config
after this auto-detection and can be used to override the choices.
-If
+If
.B LOCAL.config
contains a line
.B WSYSTYPE=nowsys
@@ -110,7 +99,7 @@ On Ubuntu, it suffices to install xorg-dev.
can safely be repeated to rebuild the system from scratch.
.PP
Once the system is built for the first time,
-it can be maintained and rebuilt using
+it can be maintained and rebuilt using
.IR mk (1).
To rebuild individual commands or libraries,
run