1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
#! /bin/sh
# Shell script to determine the operating system type. Some of the heuristics
# herein have accumulated over the years and may not strictly be needed now,
# but they are left in under the principle of "If it ain't broke, don't fix
# it."
# For some OS there are two variants: a full name, which is used for the
# build directory, and a generic name, which is used to identify the OS-
# specific scripts, and which can be the same for different versions of
# the OS. Solaris 2 is one such OS. The option -generic specifies the
# latter type of output.
# If EXIM_OSTYPE is set, use it. This allows a manual override.
case "$EXIM_OSTYPE" in ?*) os="$EXIM_OSTYPE";; esac
# Otherwise, try to get a value from the uname command. Use an explicit
# option just in case there are any systems where -s is not the default.
case "$os" in '') os=`uname -s`;; esac
# Identify Glibc systems under different names.
case "$os" in GNU) os=GNU;; esac
case "$os" in GNU/*|Linux) os=Linux;; esac
# It is believed that all systems respond to uname -s, but just in case
# there is one that doesn't, use the shell's $OSTYPE variable. It is known
# to be unhelpful for some systems (under IRIX is it "irix" and under BSDI
# 3.0 it may be "386BSD") but those systems respond to uname -s, so this
# doesn't matter.
case "$os" in '') os="$OSTYPE";; esac
# Failed to find OS type.
case "$os" in
'') echo "" 1>&2
echo "*** Failed to determine the operating system type." 1>&2
echo "" 1>&2
echo UnKnown
exit 1;;
esac
# Clean out gash characters
os=`echo $os | sed 's,[^-+_.a-zA-Z0-9],,g'`
# A value has been obtained for the os. Some massaging may be needed in
# some cases to get a uniform set of values. In earlier versions of this
# script, $OSTYPE was looked at before uname -s, and various shells set it
# to things that are subtly different. It is possible that some of this may
# no longer be needed.
case "$os" in
aix*) os=AIX;;
AIX*) os=AIX;;
bsdi*) os=BSDI;;
BSDOS) os=BSDI;;
BSD_OS) os=BSDI;;
CYGWIN*) os=CYGWIN;;
dgux) os=DGUX;;
freebsd*) os=FreeBSD;;
gnu) os=GNU;;
Irix5) os=IRIX;;
Irix6) os=IRIX6;;
IRIX64) os=IRIX6;;
irix6.5) os=IRIX65;;
IRIX) version=`uname -r`
case "$version" in
5*) os=IRIX;;
6.5) version=`uname -R | awk '{print $NF}'`
version=`echo $version | sed 's,[^-+_a-zA-Z0-9],,g'`
os=IRIX$version;;
6*) os=IRIX632;;
esac;;
HI-OSF1-MJ) os=HI-OSF;;
HI-UXMPP) os=HI-OSF;;
hpux*) os=HP-UX;;
linux) os=Linux;;
linux-*) os=Linux;;
Linux-*) os=Linux;;
netbsd*) os=NetBSD;;
NetBSD*) os=NetBSD;;
openbsd*) os=OpenBSD;;
osf1) os=OSF1;;
qnx*) os=QNX;;
solaris*) os=SunOS5;;
sunos4*) os=SunOS4;;
UnixWare) os=Unixware7;;
Ultrix) os=ULTRIX;;
ultrix*) os=ULTRIX;;
esac
# In the case of SunOS we need to distinguish between SunOS4 and Solaris (aka
# SunOS5); in the case of BSDI we need to distinguish between versions 3 and 4;
# in the case of HP-UX we need to distinguish between version 9 and later.
case "$os" in
SunOS) case `uname -r` in
5*) os="${os}5";;
4*) os="${os}4";;
esac;;
BSDI) case `uname -r` in
3*) os="${os}3";;
4.2*) os="${os}4.2";;
4*) os="${os}4";;
esac;;
HP-UX) case `uname -r` in
A.09*) os="${os}-9";;
esac;;
esac
# Need to distinguish Solaris from the version on the HAL (64bit sparc,
# CC=hcc -DV7). Also need to distinguish different versions of the OS
# for building different binaries.
case "$os" in
SunOS5) case `uname -m` in
sun4H) os="${os}-hal";;
*) os="${os}-`uname -r`";;
esac
;;
# In the case of Linux we used to distinguish which libc was used so that
# the old libc5 was supported as well as the current glibc. This support
# was giving some people problems, so it was removed in June 2005, under
# the assumption that nobody would be using libc5 any more (it is over seven
# years old).
# In the case of NetBSD we need to distinguish between a.out, ELF
# and COFF binary formats. However, a.out and COFF are the same
# for our purposes, so both of them are defined as "a.out".
# Todd Vierling of Wasabi Systems reported that NetBSD/sh3 (the
# only NetBSD port that uses COFF binary format) will switch to
# ELF soon.
NetBSD) if echo __ELF__ | ${CC-cc} -E - | grep -q __ELF__ ; then
# Non-ELF system
os="NetBSD-a.out"
fi
;;
esac
# If a generic OS name is requested, some further massaging is needed
# for some systems.
if [ "$1" = '-generic' ]; then
case "$os" in
SunOS5*) os=SunOS5;;
BSDI*) os=BSDI;;
IRIX65*) os=IRIX65;;
esac
fi
# OK, the script seems to have worked. Pass the value back.
echo "$os"
# End of os-type
|
