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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
|
# Our own versions of the other canonicalizing stuff
dnl replace AC_CANONICAL_xxx
undefine([AC_CANONICAL_HOST])
define([AC_CANONICAL_HOST], [tl_CANONICAL_HOST])
undefine([AC_CANONICAL_BUILD])
define([AC_CANONICAL_BUILD], [tl_CANONICAL_BUILD])
undefine([AC_CANONICAL_TARGET])
define([AC_CANONICAL_TARGET], [tl_CANONICAL_TARGET])
undefine([AC_CANONICAL_SYSTEM])
define([AC_CANONICAL_SYSTEM], [tl_CANONICAL_SYSTEM])
dnl Canonicalize the host, target, and build system types.
AC_DEFUN(tl_CANONICAL_SYSTEM,
[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
AC_PROVIDE([AC_CANONICAL_SYSTEM])dnl
AC_BEFORE([$0], [AC_ARG_PROGRAM])
# Do some error checking and defaulting for the host and target type.
# The inputs are:
# configure --host=HOST --target=TARGET --build=BUILD NONOPT
#
# The rules are:
# 1. You are not allowed to specify --host, --target, and nonopt at the
# same time.
# 2. Host defaults to nonopt.
# 3. If nonopt is not specified, then host defaults to the current host,
# as determined by config.guess.
# 4. Target and build default to nonopt.
# 5. If nonopt is not specified, then target and build default to host.
# The aliases save the names the user supplied, while $host etc.
# will get canonicalized.
case $host---$target---$nonopt in
NONE---*---* | *---NONE---* | *---*---NONE) ;;
*) AC_MSG_ERROR(can only configure for one host and one target at a time) ;;
esac
tl_CANONICAL_HOST
tl_CANONICAL_TARGET
tl_CANONICAL_BUILD
test "$host_alias" != "$target_alias" &&
test "$program_prefix$program_suffix$program_transform_name" = \
NONENONEs,x,x, &&
program_prefix=${target_alias}-
AC_CHECK_TOOL_PREFIX
])
dnl Subroutines of tl_CANONICAL_SYSTEM.
AC_DEFUN(tl_CANONICAL_HOST,
[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
AC_PROVIDE([AC_CANONICAL_HOST])dnl
# Make sure we can run config.sub.
if $ac_config_sub sun4 >/dev/null 2>&1; then :
else AC_MSG_ERROR(can not run $ac_config_sub)
fi
AC_MSG_CHECKING(host system type)
dnl Set host_alias.
if test "${GCC-no}" = "yes" -a "$nonopt" = "NONE"; then
changequote(, )dnl
libgcc="`${CC} --print-libgcc-file-name`"
host_alias="`expr ${libgcc} : '.*/gcc-lib/\([^/]*\)/.*'`"
case ${host_alias} in
*-linux{,elf,aout})
host_alias="`echo ${host_alias} | sed 's/\([^-]*\)-linux.*/\1/'`"
changequote([, ])dnl
if ar p "${libgcc}" __main.o 2>/dev/null | file - 2>/dev/null | grep ELF >/dev/null; then
host_alias="${host_alias}-linux"
else
host_alias="${host_alias}-linuxaout"
fi ;;
esac
host_guessed=y
else
host_alias=$host
case "$host_alias" in
NONE)
case "$nonopt" in
NONE)
if host_alias=`$ac_config_guess`; then host_guessed=y
else AC_MSG_ERROR(can not guess host type; you must specify one)
fi ;;
*) host_alias=$nonopt ;;
esac ;;
esac
fi
dnl Set the other host vars.
changequote(<<, >>)dnl
host=`$ac_config_sub $host_alias`
host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
changequote([, ])dnl
AC_MSG_RESULT($host)
AC_SUBST(host)dnl
AC_SUBST(host_alias)dnl
AC_SUBST(host_cpu)dnl
AC_SUBST(host_vendor)dnl
AC_SUBST(host_os)dnl
])
dnl Internal use only.
AC_DEFUN(tl_CANONICAL_TARGET,
[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
AC_REQUIRE([AC_PROG_CC])dnl
AC_REQUIRE([AC_CANONICAL_HOST])dnl
AC_PROVIDE([AC_CANONICAL_TARGET])dnl
AC_MSG_CHECKING(target system type)
dnl Set target_alias.
target_alias=$target
case "$target_alias" in
NONE)
case $nonopt in
NONE)
target_cpu="`dpkg --print-architecture`"
if test "$target_cpu" = ""; then
target_alias=$host_alias
else
target_alias="`echo ${host_alias} | sed 's/[^-]*-/${target_cpu}-/'`"
fi
;;
*) target_alias=$nonopt ;;
esac ;;
esac
dnl Set the other target vars.
if test $target_alias = $host_alias; then
target=$host
target_cpu=$host_cpu
target_vendor=$host_vendor
target_os=$host_os
elif test $target_alias = "$build_alias"; then
target=$build
target_cpu=$build_cpu
target_vendor=$build_vendor
target_os=$build_os
else
changequote(<<, >>)dnl
target=`$ac_config_sub $target_alias`
target_cpu=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
target_vendor=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
target_os=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
changequote([, ])dnl
fi
AC_MSG_RESULT($target)
AC_SUBST(target)dnl
AC_SUBST(target_alias)dnl
AC_SUBST(target_cpu)dnl
AC_SUBST(target_vendor)dnl
AC_SUBST(target_os)dnl
])
AC_DEFUN(tl_CANONICAL_BUILD,
[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
AC_REQUIRE([AC_CANONICAL_HOST])dnl
AC_PROVIDE([AC_CANONICAL_BUILD])dnl
# Make sure we can run config.sub.
#if $ac_config_sub sun4 >/dev/null 2>&1; then :
#else AC_MSG_ERROR(can not run $ac_config_sub)
#fi
AC_MSG_CHECKING(build system type)
dnl Set build_alias.
build_alias=$build
case "$build_alias" in
NONE)
case $nonopt in
NONE)
if test "$host_guessed" = "y"; then
build_alias=$host_alias
else
if build_alias=`$ac_config_guess`; then :
else build_alias=$host_alias
fi
fi ;;
*) build_alias=$nonopt ;;
esac ;;
esac
dnl Set the other build vars.
if test $build_alias = $host_alias; then
build=$host
build_cpu=$host_cpu
build_vendor=$host_vendor
build_os=$host_os
else
changequote(<<, >>)dnl
build=`$ac_config_sub $build_alias`
build_cpu=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
build_vendor=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
build_os=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
changequote([, ])dnl
fi
AC_MSG_RESULT($build)
AC_SUBST(build)dnl
AC_SUBST(build_alias)dnl
AC_SUBST(build_cpu)dnl
AC_SUBST(build_vendor)dnl
AC_SUBST(build_os)dnl
])
|
