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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*) | |
1e8e9920 | 21 | XCFLAGS="${XCFLAGS} -ftls-model=initial-exec" |
656db5a0 | 22 | ;; |
23 | esac | |
1e8e9920 | 24 | fi |
25 | ||
26 | # Since we require POSIX threads, assume a POSIX system by default. | |
27 | config_path="posix" | |
28 | ||
29 | # Check for futex enabled all at once. | |
ca4c3545 | 30 | if test x$enable_linux_futex = xyes; then |
1e8e9920 | 31 | case "${target}" in |
32 | ||
1075a9f5 | 33 | aarch64*-*-linux*) |
34 | config_path="linux posix" | |
35 | ;; | |
36 | ||
1e8e9920 | 37 | alpha*-*-linux*) |
38 | config_path="linux/alpha linux posix" | |
39 | ;; | |
40 | ||
1e4b64e3 | 41 | arm*-*-linux*) |
92355c31 | 42 | config_path="linux posix" |
1e4b64e3 | 43 | ;; |
44 | ||
1e8e9920 | 45 | ia64*-*-linux*) |
46 | config_path="linux/ia64 linux posix" | |
47 | ;; | |
48 | ||
780abcd6 | 49 | mips*-*-linux*) |
50 | config_path="linux/mips linux posix" | |
51 | ;; | |
52 | ||
1e8e9920 | 53 | powerpc*-*-linux*) |
54 | config_path="linux/powerpc linux posix" | |
55 | ;; | |
56 | ||
57 | s390*-*-linux*) | |
58 | config_path="linux/s390 linux posix" | |
59 | ;; | |
60 | ||
7ce78e23 | 61 | tile*-*-linux*) |
62 | config_path="linux/tile linux posix" | |
63 | ;; | |
64 | ||
1e8e9920 | 65 | # Note that bare i386 is not included here. We need cmpxchg. |
66 | i[456]86-*-linux*) | |
67 | config_path="linux/x86 linux posix" | |
d9f51b56 | 68 | case " ${CC} ${CFLAGS} " in |
d09a689d | 69 | *" -m64 "*|*" -mx32 "*) |
d9f51b56 | 70 | ;; |
71 | *) | |
72 | if test -z "$with_arch"; then | |
73 | XCFLAGS="${XCFLAGS} -march=i486 -mtune=${target_cpu}" | |
74 | fi | |
75 | esac | |
1e8e9920 | 76 | ;; |
77 | ||
78 | # Similar jiggery-pokery for x86_64 multilibs, except here we | |
79 | # can't rely on the --with-arch configure option, since that | |
80 | # applies to the 64-bit side. | |
81 | x86_64-*-linux*) | |
82 | config_path="linux/x86 linux posix" | |
83 | case " ${CC} ${CFLAGS} " in | |
84 | *" -m32 "*) | |
3913f5f8 | 85 | XCFLAGS="${XCFLAGS} -march=i486 -mtune=generic" |
1e8e9920 | 86 | ;; |
87 | esac | |
88 | ;; | |
89 | ||
90 | # Note that sparcv7 and sparcv8 is not included here. We need cas. | |
91 | sparcv9-*-linux* | sparc64-*-linux*) | |
92 | echo "int i;" > conftestx.c | |
93 | if ${CC} ${CFLAGS} -c -o conftestx.o conftestx.c > /dev/null 2>&1; then | |
94 | config_path="linux/sparc linux posix" | |
95 | case "`/usr/bin/file conftestx.o`" in | |
96 | *32-bit*) | |
97 | case " ${CC} ${CFLAGS}" in | |
98 | *" -mcpu=ultrasparc"*) | |
99 | ;; | |
100 | *) | |
101 | XCFLAGS="${XCFLAGS} -mcpu=v9" | |
102 | ;; | |
103 | esac | |
104 | ;; | |
105 | esac | |
106 | fi | |
107 | rm -f conftestx.c conftestx.o | |
108 | ;; | |
109 | esac | |
110 | fi | |
111 | ||
112 | # Other system configury | |
113 | case "${target}" in | |
114 | ||
4efe8a43 | 115 | *-*-hpux*) |
116 | case "${target}" in | |
117 | *-*-hpux11*) | |
118 | # HPUX v11.x requires -lrt to resolve sem_init in libgomp.la | |
119 | XLDFLAGS="${XLDFLAGS} -lrt" | |
120 | ;; | |
121 | esac | |
122 | case "${target}" in | |
123 | hppa[12]*-*-hpux*) | |
124 | # PA 32 HP-UX needs -frandom-seed for bootstrap compare. | |
125 | XCFLAGS="${XCFLAGS} -frandom-seed=fixed-seed" | |
126 | ;; | |
127 | esac | |
88291313 | 128 | ;; |
129 | ||
5fbe6585 | 130 | *-*-mingw32*) |
131 | config_path="mingw32 posix" | |
132 | ;; | |
133 | ||
84f90f7d | 134 | *-*-darwin*) |
135 | config_path="bsd posix" | |
136 | ;; | |
137 | ||
e49efc8c | 138 | *-*-freebsd*) |
139 | # Need to link with -lpthread so libgomp.so is self-contained. | |
140 | XLDFLAGS="${XLDFLAGS} -lpthread" | |
141 | ;; | |
142 | ||
1e8e9920 | 143 | *) |
144 | ;; | |
145 | ||
146 | esac |