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.
14if test $gcc_cv_have_tls = yes ; then
15  case "${target}" in
16
17    *-*-k*bsd*-gnu*)
18	;;
19
20    *-*-linux* | *-*-gnu*)
21	XCFLAGS="${XCFLAGS} -ftls-model=initial-exec"
22	;;
23
24    *-*-rtems*)
25	XCFLAGS="${XCFLAGS} -ftls-model=local-exec"
26	;;
27  esac
28fi
29
30# Since we require POSIX threads, assume a POSIX system by default.
31config_path="posix"
32
33# Check for futex enabled all at once.
34if test x$enable_linux_futex = xyes; then
35  case "${target}" in
36
37    aarch64*-*-linux*)
38	config_path="linux posix"
39	;;
40
41    alpha*-*-linux*)
42	config_path="linux/alpha linux posix"
43	;;
44
45    arm*-*-linux*)
46	config_path="linux posix"
47	;;
48
49    ia64*-*-linux*)
50	config_path="linux/ia64 linux posix"
51	;;
52
53    mips*-*-linux*)
54	config_path="linux/mips linux posix"
55	;;
56
57    powerpc*-*-linux*)
58	config_path="linux/powerpc linux posix"
59	;;
60
61    s390*-*-linux*)
62	config_path="linux/s390 linux posix"
63	;;
64
65    tile*-*-linux*)
66	config_path="linux/tile linux posix"
67	;;
68
69    # Note that bare i386 is not included here.  We need cmpxchg.
70    i[456]86-*-linux*)
71	config_path="linux/x86 linux posix"
72	case " ${CC} ${CFLAGS} " in
73	  *" -m64 "*|*" -mx32 "*)
74	    ;;
75	  *)
76	    if test -z "$with_arch"; then
77	      XCFLAGS="${XCFLAGS} -march=i486 -mtune=${target_cpu}"
78	    fi
79	esac
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} ${CFLAGS} " in
88	  *" -m32 "*)
89	    XCFLAGS="${XCFLAGS} -march=i486 -mtune=generic"
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
114fi
115
116# Other system configury
117case "${target}" in
118
119  *-*-hpux*)
120	config_path="hpux posix"
121	case "${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="${XCFLAGS} -frandom-seed=fixed-seed"
131	    ;;
132	esac
133	;;
134
135  *-*-mingw32*)
136	config_path="mingw32 posix"
137	;;
138
139  *-*-darwin*)
140	config_path="bsd darwin posix"
141	;;
142
143  *-*-freebsd*)
144	# Need to link with -lpthread so libgomp.so is self-contained.
145	XLDFLAGS="${XLDFLAGS} -lpthread"
146	;;
147
148  *-*-aix*)
149	config_path="posix"
150	# Need to link with -lpthread so libgomp.so is self-contained.
151	XLDFLAGS="${XLDFLAGS} -lpthread"
152	;;
153
154  *)
155	;;
156
157esac
158