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Commit | Line | Data |
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1e8e9920 | 1 | # This is the target specific configuration file. This is invoked by the |
2 | # autoconf generated configure script. Putting it in a separate shell file | |
3 | # lets us skip running autoconf when modifying target specific information. | |
4 | ||
5 | # This file switches on the shell variable ${target}, and sets the | |
6 | # following shell variables: | |
7 | # config_path An ordered list of directories to search for | |
8 | # sources and headers. This is relative to the | |
9 | # config subdirectory of the source tree. | |
10 | # XCFLAGS Add extra compile flags to use. | |
11 | # XLDFLAGS Add extra link flags to use. | |
12 | ||
13 | # Optimize TLS usage by avoiding the overhead of dynamic allocation. | |
cfbdd7de | 14 | if test $gcc_cv_have_tls = yes ; then |
656db5a0 | 15 | case "${target}" in |
16 | ||
3a930d3f | 17 | *-*-k*bsd*-gnu*) |
18 | ;; | |
19 | ||
20 | *-*-linux* | *-*-gnu*) | |
7e5a76c8 | 21 | XCFLAGS="${XCFLAGS} -ftls-model=initial-exec -DUSING_INITIAL_EXEC_TLS" |
656db5a0 | 22 | ;; |
a88ef88c | 23 | |
24 | *-*-rtems*) | |
25 | XCFLAGS="${XCFLAGS} -ftls-model=local-exec" | |
26 | ;; | |
656db5a0 | 27 | esac |
1e8e9920 | 28 | fi |
29 | ||
30 | # Since we require POSIX threads, assume a POSIX system by default. | |
31 | config_path="posix" | |
32 | ||
33 | # Check for futex enabled all at once. | |
ca4c3545 | 34 | if test x$enable_linux_futex = xyes; then |
1e8e9920 | 35 | case "${target}" in |
36 | ||
1075a9f5 | 37 | aarch64*-*-linux*) |
38 | config_path="linux posix" | |
39 | ;; | |
40 | ||
1e8e9920 | 41 | alpha*-*-linux*) |
42 | config_path="linux/alpha linux posix" | |
43 | ;; | |
44 | ||
1e4b64e3 | 45 | arm*-*-linux*) |
92355c31 | 46 | config_path="linux posix" |
1e4b64e3 | 47 | ;; |
48 | ||
1e8e9920 | 49 | ia64*-*-linux*) |
50 | config_path="linux/ia64 linux posix" | |
51 | ;; | |
52 | ||
780abcd6 | 53 | mips*-*-linux*) |
54 | config_path="linux/mips linux posix" | |
55 | ;; | |
56 | ||
1e8e9920 | 57 | powerpc*-*-linux*) |
58 | config_path="linux/powerpc linux posix" | |
59 | ;; | |
60 | ||
61 | s390*-*-linux*) | |
62 | config_path="linux/s390 linux posix" | |
63 | ;; | |
64 | ||
7ce78e23 | 65 | tile*-*-linux*) |
66 | config_path="linux/tile linux posix" | |
67 | ;; | |
68 | ||
1e8e9920 | 69 | # Note that bare i386 is not included here. We need cmpxchg. |
70 | i[456]86-*-linux*) | |
71 | config_path="linux/x86 linux posix" | |
d9f51b56 | 72 | case " ${CC} ${CFLAGS} " in |
d09a689d | 73 | *" -m64 "*|*" -mx32 "*) |
d9f51b56 | 74 | ;; |
75 | *) | |
76 | if test -z "$with_arch"; then | |
77 | XCFLAGS="${XCFLAGS} -march=i486 -mtune=${target_cpu}" | |
78 | fi | |
79 | esac | |
1e8e9920 | 80 | ;; |
81 | ||
82 | # Similar jiggery-pokery for x86_64 multilibs, except here we | |
83 | # can't rely on the --with-arch configure option, since that | |
84 | # applies to the 64-bit side. | |
85 | x86_64-*-linux*) | |
86 | config_path="linux/x86 linux posix" | |
87 | case " ${CC} ${CFLAGS} " in | |
88 | *" -m32 "*) | |
3913f5f8 | 89 | XCFLAGS="${XCFLAGS} -march=i486 -mtune=generic" |
1e8e9920 | 90 | ;; |
91 | esac | |
92 | ;; | |
93 | ||
94 | # Note that sparcv7 and sparcv8 is not included here. We need cas. | |
95 | sparcv9-*-linux* | sparc64-*-linux*) | |
96 | echo "int i;" > conftestx.c | |
97 | if ${CC} ${CFLAGS} -c -o conftestx.o conftestx.c > /dev/null 2>&1; then | |
98 | config_path="linux/sparc linux posix" | |
99 | case "`/usr/bin/file conftestx.o`" in | |
100 | *32-bit*) | |
101 | case " ${CC} ${CFLAGS}" in | |
102 | *" -mcpu=ultrasparc"*) | |
103 | ;; | |
104 | *) | |
105 | XCFLAGS="${XCFLAGS} -mcpu=v9" | |
106 | ;; | |
107 | esac | |
108 | ;; | |
109 | esac | |
110 | fi | |
111 | rm -f conftestx.c conftestx.o | |
112 | ;; | |
113 | esac | |
114 | fi | |
115 | ||
116 | # Other system configury | |
117 | case "${target}" in | |
118 | ||
4efe8a43 | 119 | *-*-hpux*) |
4fda895a | 120 | config_path="hpux posix" |
4efe8a43 | 121 | case "${target}" in |
122 | *-*-hpux11*) | |
123 | # HPUX v11.x requires -lrt to resolve sem_init in libgomp.la | |
124 | XLDFLAGS="${XLDFLAGS} -lrt" | |
125 | ;; | |
126 | esac | |
127 | case "${target}" in | |
128 | hppa[12]*-*-hpux*) | |
129 | # PA 32 HP-UX needs -frandom-seed for bootstrap compare. | |
130 | XCFLAGS="${XCFLAGS} -frandom-seed=fixed-seed" | |
131 | ;; | |
132 | esac | |
88291313 | 133 | ;; |
134 | ||
5fbe6585 | 135 | *-*-mingw32*) |
136 | config_path="mingw32 posix" | |
137 | ;; | |
138 | ||
84f90f7d | 139 | *-*-darwin*) |
4fda895a | 140 | config_path="bsd darwin posix" |
84f90f7d | 141 | ;; |
142 | ||
e49efc8c | 143 | *-*-freebsd*) |
144 | # Need to link with -lpthread so libgomp.so is self-contained. | |
145 | XLDFLAGS="${XLDFLAGS} -lpthread" | |
146 | ;; | |
147 | ||
4fda895a | 148 | *-*-aix*) |
167f76ed | 149 | config_path="posix" |
150 | # Need to link with -lpthread so libgomp.so is self-contained. | |
151 | XLDFLAGS="${XLDFLAGS} -lpthread" | |
d4e8fb3a | 152 | # AIX needs -frandom-seed for bootstrap compare. |
153 | XCFLAGS="${XCFLAGS} -frandom-seed=\$@" | |
4fda895a | 154 | ;; |
155 | ||
fdcd05c8 | 156 | nvptx*-*-*) |
157 | config_path="nvptx" | |
13c58648 | 158 | ;; |
4bf07de7 | 159 | |
160 | *-*-rtems*) | |
161 | # Use self-contained synchronization objects if provided by Newlib | |
162 | if test "x$ac_cv_type_struct__Mutex_Control" = xyes ; then | |
163 | config_path="rtems posix" | |
164 | fi | |
fdcd05c8 | 165 | ;; |
166 | ||
1e8e9920 | 167 | *) |
168 | ;; | |
169 | ||
170 | esac |