blob: be06be0e52bac93ab3a3c0c6f08cba92c1397405 (
plain)
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
|
# This is the target specific configuration file. This is invoked by the
# autoconf generated configure script. Putting it in a separate shell file
# lets us skip running autoconf when modifying target specific information.
# This file switches on the shell variable ${target}, and sets the
# following shell variables:
# config_path An ordered list of directories to search for
# sources and headers. This is relative to the
# config subdirectory of the source tree.
# XCFLAGS Add extra compile flags to use.
# XLDFLAGS Add extra link flags to use.
# tmake_file A list of machine-description-specific
# makefile fragments.
# Optimize TLS usage by avoiding the overhead of dynamic allocation.
if test $gcc_cv_have_tls = yes ; then
case "${target}" in
*-*-k*bsd*-gnu*)
;;
*-*-musl*)
;;
*-*-linux* | *-*-gnu*)
XCFLAGS="${XCFLAGS} -ftls-model=initial-exec -DUSING_INITIAL_EXEC_TLS"
;;
*-*-rtems*)
XCFLAGS="${XCFLAGS} -ftls-model=local-exec"
;;
esac
fi
tmake_file=
# Since we require POSIX threads, assume a POSIX system by default.
config_path="posix"
# Check for futex enabled all at once.
if test x$enable_linux_futex = xyes; then
case "${target}" in
aarch64*-*-linux*)
config_path="linux posix"
;;
alpha*-*-linux*)
config_path="linux/alpha linux posix"
;;
arm*-*-linux*)
config_path="linux posix"
;;
ia64*-*-linux*)
config_path="linux/ia64 linux posix"
;;
mips*-*-linux*)
config_path="linux/mips linux posix"
;;
powerpc*-*-linux*)
config_path="linux/powerpc linux posix"
;;
s390*-*-linux*)
config_path="linux/s390 linux posix"
;;
tile*-*-linux*)
config_path="linux/tile linux posix"
;;
# Note that bare i386 is not included here. We need cmpxchg.
i[456]86-*-linux* | x86_64-*-linux*)
config_path="linux/x86 linux posix"
cat > conftestx.c <<EOF
#ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
#error need -march=i486
#endif
EOF
if ${CC} ${CFLAGS} -E conftestx.c > /dev/null 2>&1; then
:
else
if test "${target_cpu}" = x86_64; then
XCFLAGS="${XCFLAGS} -march=i486 -mtune=generic"
else
XCFLAGS="${XCFLAGS} -march=i486 -mtune=${target_cpu}"
fi
fi
rm -f conftestx.c
;;
# Note that sparcv7 and sparcv8 is not included here. We need cas.
sparcv9-*-linux* | sparc64-*-linux*)
echo "int i;" > conftestx.c
if ${CC} ${CFLAGS} -c -o conftestx.o conftestx.c > /dev/null 2>&1; then
config_path="linux/sparc linux posix"
case "`/usr/bin/file conftestx.o`" in
*32-bit*)
case " ${CC} ${CFLAGS}" in
*" -mcpu=ultrasparc"*)
;;
*)
XCFLAGS="${XCFLAGS} -mcpu=v9"
;;
esac
;;
esac
fi
rm -f conftestx.c conftestx.o
;;
esac
fi
# Other system configury
case "${target}" in
*-*-hpux*)
config_path="hpux posix"
case "${target}" in
*-*-hpux11*)
# HPUX v11.x requires -lrt to resolve sem_init in libgomp.la
XLDFLAGS="${XLDFLAGS} -lrt"
;;
esac
case "${target}" in
hppa[12]*-*-hpux*)
# PA 32 HP-UX needs -frandom-seed for bootstrap compare.
XCFLAGS="${XCFLAGS} -frandom-seed=fixed-seed"
;;
esac
;;
*-*-mingw32*)
config_path="mingw32 posix"
;;
*-*-darwin*)
config_path="bsd darwin posix"
;;
*-*-freebsd*)
# Need to link with -lpthread so libgomp.so is self-contained.
XLDFLAGS="${XLDFLAGS} -lpthread"
;;
*-*-aix*)
config_path="posix"
# Need to link with -lpthread so libgomp.so is self-contained.
XLDFLAGS="${XLDFLAGS} -lpthread"
# AIX needs -frandom-seed for bootstrap compare.
XCFLAGS="${XCFLAGS} -frandom-seed=\$@"
# Create AIX-style "FAT" libraries.
tmake_file="t-aix"
;;
nvptx*-*-*)
config_path="nvptx accel"
;;
*-*-rtems*)
# Use self-contained synchronization objects if provided by Newlib
if test "x$ac_cv_type_struct__Mutex_Control" = xyes ; then
config_path="rtems posix"
fi
;;
amdgcn*-*-*)
config_path="gcn accel"
;;
*)
;;
esac
|