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1 # This is the linker host specific file. This is invoked by the
2 # autoconf generated configure script. Putting it in a separate shell
3 # file lets us skip running autoconf when modifying host specific
4 # information.
5 #
6 # Copyright (C) 2012-2015 Free Software Foundation, Inc.
7 #
8 # This file is free software; you can redistribute it and/or modify
9 # it under the terms of the GNU General Public License as published by
10 # the Free Software Foundation; either version 3 of the License, or
11 # (at your option) any later version.
12 #
13 # This program is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License for more details.
17 #
18 # You should have received a copy of the GNU General Public License
19 # along with this program; see the file COPYING3. If not see
20 # <http://www.gnu.org/licenses/>.
21 #
22
23 # This file sets the following shell variables:
24 # HDEFINES host specific compiler flags
25 # HOSTING_CRT0 crt0.o file used for bootstrapping
26 # HOSTING_LIBS libraries used for bootstrapping
27
28 HDEFINES=
29 HOSTING_CRT0=/lib/crt0.o
30 HOSTING_LIBS='`if [ -f ../gcc/libgcc.a ]; then libgcc=../gcc/libgcc.a; else libgcc=\`${CC} -print-libgcc-file-name\`; fi; if [ -f ../gcc/libgcc_eh.a ]; then libgcc="$$libgcc ../gcc/libgcc_eh.a"; else libgcc_eh=\`${CC} -print-file-name=libgcc_eh.a\`; if [ x"$$libgcc_eh" != xlibgcc_eh.a ]; then libgcc="$$libgcc $$libgcc_eh"; fi; fi; if [ -f ../gcc/libunwind.a ]; then libgcc="$$libgcc ../gcc/libunwind.a"; else libunwind=\`${CC} -print-file-name=libunwind.a\`; if [ x"$$libunwind" != xlibunwind.a ]; then libgcc="$$libgcc $$libunwind"; fi; fi; echo --start-group $$libgcc -lc --end-group`'
31
32 #
33 # Generic configurations:
34 #
35
36 case "${host}" in
37
38 *-*-dragonfly*)
39 HOSTING_CRT0='-dynamic-linker `[ -f \`${CC} --print-prog-name=ld-elf.so.2\` ] || echo /usr/libexec/``${CC} --print-prog-name=ld-elf.so.2` `${CC} --print-file-name=crt1.o` `${CC} --print-file-name=crti.o` `${CC} --print-file-name=crtbegin.o`'
40 HOSTING_LIBS='-L`dirname \`${CC} --print-file-name=libc.so\`` '"$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else ${CC} --print-file-name=crtend.o; fi` `${CC} --print-file-name=crtn.o`'
41 ;;
42
43 *-*-freebsd* | *-*-kfreebsd*-gnu)
44 HOSTING_CRT0='-dynamic-linker `[ -f \`${CC} --print-prog-name=ld-elf.so.1\` ] || echo /usr/libexec/``${CC} --print-prog-name=ld-elf.so.1` `${CC} --print-file-name=crt1.o` `${CC} --print-file-name=crti.o` `${CC} --print-file-name=crtbegin.o`'
45 HOSTING_LIBS='-L`dirname \`${CC} --print-file-name=libc.so\`` '"$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else ${CC} --print-file-name=crtend.o; fi` `${CC} --print-file-name=crtn.o`'
46 ;;
47
48 *-*-linux*aout* | *-*-linux*oldld)
49 HOSTING_CRT0=/usr/lib/crt0.o
50 ;;
51
52 *-*-linux*libc1*)
53 HOSTING_CRT0='-dynamic-linker /lib/ld-linux.so.1 /usr/lib/crt1.o /usr/lib/crti.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; elif [ -f /usr/lib/crtbegin.o ]; then echo /usr/lib/crtbegin.o; else ${CC} --print-file-name=crtbegin.o; fi`'
54 HOSTING_LIBS="$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; elif [ -f /usr/lib/crtend.o ]; then echo /usr/lib/crtend.o; else ${CC} --print-file-name=crtend.o; fi` /usr/lib/crtn.o'
55 ;;
56
57 *-*-linux*)
58 HOSTING_CRT0='-dynamic-linker `${CC} --help --verbose 2>&1 | egrep "ld[^ ]*\.so" | sed -e "s,.*-dynamic-linker[ ][ ]*\(.*/ld[^ ]*\.so..\).*,\1,"` `${CC} --print-file-name=crt1.o` `${CC} --print-file-name=crti.o` `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else ${CC} --print-file-name=crtbegin.o; fi`'
59 HOSTING_SCRT0='-dynamic-linker `${CC} --help --verbose 2>&1 | egrep "ld[^ ]*\.so" | sed -e "s,.*-dynamic-linker[ ][ ]*\(.*/ld[^ ]*\.so..\).*,\1,"` `${CC} --print-file-name=Scrt1.o` `${CC} --print-file-name=crti.o` `if [ -f ../gcc/crtbeginS.o ]; then echo ../gcc/crtbeginS.o; else ${CC} --print-file-name=crtbeginS.o; fi`'
60 HOSTING_SLIBS='-L`dirname \`${CC} --print-file-name=libc.so\`` '"$HOSTING_LIBS"' `if [ -f ../gcc/crtendS.o ]; then echo ../gcc/crtendS.o; else ${CC} --print-file-name=crtendS.o; fi` `${CC} --print-file-name=crtn.o`'
61 HOSTING_LIBS='-L`dirname \`${CC} --print-file-name=libc.so\`` '"$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else ${CC} --print-file-name=crtend.o; fi` `${CC} --print-file-name=crtn.o`'
62 ;;
63
64 *-*-gnu*)
65 # When creating static executables, we ought to use crt0.o instead of crt1.o,
66 # <http://www.gnu.org/software/hurd/open_issues/binutils.html#static>,
67 # but the testing infrastructure is not prepared for that. This is not
68 # relevant for most tests, and the few remaining ones have been XFAILed.
69 HOSTING_CRT0='-dynamic-linker `${CC} --help --verbose 2>&1 | egrep "ld[^ ]*\.so" | sed -e "s,.*-dynamic-linker[ ][ ]*\(.*/ld[^ ]*\.so[^ ]*\).*,\1,"` `${CC} --print-file-name=crt1.o` `${CC} --print-file-name=crti.o` `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else ${CC} --print-file-name=crtbegin.o; fi`'
70 HOSTING_LIBS='-L`dirname \`${CC} --print-file-name=libc.so\`` '"$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else ${CC} --print-file-name=crtend.o; fi` `${CC} --print-file-name=crtn.o`'
71 ;;
72
73 *-*-netbsd*)
74 # Different versions of NetBSD with the ELF object format use different
75 # sets of start/end files.
76 HOSTING_CRT0='-dynamic-linker /usr/libexec/ld.elf_so /usr/lib/crt0.o'
77 if [ -f `${CC} --print-file-name=crti.o` ]; then
78 # Support for GCC's crtstuff present.
79 HOSTING_CRT0="$HOSTING_CRT0 `${CC} --print-file-name=crti.o`"
80 if [ -f ../gcc/crtbegin.o ]; then
81 HOSTING_CRT0="$HOSTING_CRT0 ../gcc/crtbegin.o"
82 else
83 HOSTING_CRT0="$HOSTING_CRT0 `${CC} --print-file-name=crtbegin.o`"
84 fi
85 else
86 # Support for GCC's crtstuff not present.
87 HOSTING_CRT0="$HOSTING_CRT0 `${CC} --print-file-name=crtbegin.o`"
88 fi
89 if [ -f `${CC} --print-file-name=crtn.o` ]; then
90 # Support for GCC's crtstuff present.
91 if [ -f ../gcc/crtbegin.o ]; then
92 HOSTING_LIBS="$HOSTING_LIBS ../gcc/crtend.o"
93 else
94 HOSTING_LIBS="$HOSTING_LIBS `${CC} --print-file-name=crtend.o`"
95 fi
96 HOSTING_LIBS="$HOSTING_LIBS `${CC} --print-file-name=crtn.o`"
97 else
98 # Support for GCC's crtstuff not present.
99 HOSTING_LIBS="$HOSTING_LIBS `${CC} --print-file-name=crtend.o`"
100 fi
101 ;;
102
103 *-*-openbsd*)
104 HOSTING_CRT0="-dynamic-linker /usr/libexec/ld.so /usr/lib/crt0.o"
105 HOSTING_CRT0="$HOSTING_CRT0 /usr/lib/crtbegin.o"
106 HOSTING_LIBS="$HOSTING_LIBS /usr/lib/crtend.o"
107 ;;
108
109 esac
110
111 #
112 # Now more specific configurations
113 #
114
115 case "${host}" in
116
117 *-*-linux*aout* | *-*-linux*oldld | *-*-linux*libc1*)
118 # No further tweaking needed
119 ;;
120
121 arm*-*-linux-*)
122 HOSTING_CRT0='-p '"$HOSTING_CRT0"
123 ;;
124
125 hppa*64*-*-hpux11*)
126 HOSTING_CRT0=/usr/ccs/lib/pa20_64/crt0.o
127 # Even if CC is not gcc, the tests use gcc.
128 HOSTING_LIBS='--start-group `if [ -f ../gcc/libgcc.a ]; then echo ../gcc/libgcc.a; else if test "$GCC" = yes; then ${CC} --print-libgcc-file-name; else gcc --print-libgcc-file-name; fi fi` -lc --end-group /usr/lib/pa20_64/milli.a'
129 ;;
130
131 i[3-7]86-*-bsd* | i[3-7]86-*-freebsd[12] | i[3-7]86-*-freebsd[12]\.* | i[3-7]86-*-freebsd*aout*)
132 HOSTING_CRT0=/usr/lib/crt0.o
133 ;;
134
135 i[3-7]86-*-sysv4*)
136 HOSTING_CRT0='/usr/ccs/lib/crt1.o /usr/ccs/lib/crti.o /usr/ccs/lib/values-Xa.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else ${CC} -print-file-name=crtbegin.o; fi`'
137 HOSTING_LIBS="$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else ${CC} -print-file-name=crtend.o; fi` /usr/ccs/lib/crtn.o'
138 ;;
139
140 i[3-7]86-sequent-ptx* | i[3-7]86-sequent-sysv*)
141 HOSTING_CRT0='/lib/crt0.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else ${CC} -print-file-name=crtbegin.o; fi`'
142 HOSTING_LIBS="$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else ${CC} -print-file-name=crtend.o; fi`'
143 ;;
144
145 i[3-7]86-*-sysv*)
146 HOSTING_CRT0='/lib/crt1.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; fi`'
147 HOSTING_LIBS="$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; fi` /lib/crtn.o'
148 ;;
149
150 i[3-7]86-*-solaris*)
151 HOSTING_CRT0='`if [ -f ../gcc/crt1.o ]; then echo ../gcc/crt1.o; else ${CC} -print-file-name=crt1.o; fi` `if [ -f ../gcc/crti.o ]; then echo ../gcc/crti.o; else ${CC} -print-file-name=crti.o; fi` /usr/ccs/lib/values-Xa.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else ${CC} -print-file-name=crtbegin.o; fi`'
152 HOSTING_LIBS="$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else ${CC} -print-file-name=crtend.o; fi` `if [ -f ../gcc/crtn.o ]; then echo ../gcc/crtn.o; else ${CC} -print-file-name=crtn.o; fi`'
153 ;;
154
155 i[3-7]86-*-sco* | i[3-7]86-*-isc*)
156 # In some configurations gcc does not use crtbegin.o and crtend.o.
157 # In that case gcc -print-file-name=crtbegin.o will simply print
158 # crtbegin.o. We create dummy crtbegin.o and crtend.o files to
159 # handle this.
160 echo "int dummy_crtbegin () { return 0; }" > crtbegin.c
161 ${CC} -c crtbegin.c -o crtbegin.o
162 rm -f crtbegin.c
163 echo "int dummy_crteng () { return 0; }" > crtend.c
164 ${CC} -c crtend.c -o crtend.o
165 rm -f crtend.c
166 HOSTING_CRT0='/lib/crt1.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else ${CC} -print-file-name=crtbegin.o; fi`'
167 HOSTING_LIBS="$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else ${CC} -print-file-name=crtend.o; fi` /lib/crtn.o'
168 ;;
169
170 i[3-7]86-pc-interix*)
171 HOSTING_CRT0='$$INTERIX_ROOT/usr/lib/crt0.o'
172 HOSTING_LIBS='-L $$X/local_bin -L $$INTERIX_ROOT/usr/lib '"$HOSTING_LIBS"' -lcpsx -lc -lcpsx $$INTERIX_ROOT/usr/lib/psxdll.a $$INTERIX_ROOT/usr/lib/psxdll2.a'
173 ;;
174
175 i[3-7]86-*-cygwin* | x86_64-*-cygwin*)
176 HOSTING_LIBS="$HOSTING_LIBS"' -lcygwin -L/usr/lib/w32api -luser32 -lkernel32 -ladvapi32 -lshell32 `if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else ${CC} -print-libgcc-file-name; fi`'
177 ;;
178
179 i[3-7]86-*-mingw*)
180 #We only support msvcrt.dll, crtid == 2.
181 HOSTING_CRT0='/mingw/lib/crt2.o'
182 HOSTING_LIBS='-L/mingw/lib -lmingw32 -lmoldname -lmingwex -lmsvcrt -luser32 -lkernel32 -ladvapi32 -lshell32 -lmingw32 -lmoldname -lmingwex -lmsvcrt `if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else ${CC} -print-libgcc-file-name; fi`'
183 ;;
184
185 mips*-sgi-irix4* | mips*-sgi-irix5*)
186 HOSTING_CRT0=/usr/lib/crt1.o
187 HOSTING_LIBS="$HOSTING_LIBS"' /usr/lib/crtn.o'
188 ;;
189
190 mips*-sgi-irix6*)
191 HOSTING_CRT0='/usr/lib32/crt1.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o ; else ${CC} -print-file-name=crtbegin.o; fi`'
192 HOSTING_LIBS='-L/usr/lib32 '"$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o ; else ${CC} -print-file-name=crtend.o; fi` /usr/lib32/crtn.o -init __do_global_ctors -fini __do_global_dtors'
193 ;;
194
195 m68*-motorola-sysv)
196 HOSTING_CRT0='`if [ -f ../gcc/crt0.o ]; then echo ../gcc/crt0.o; elif [ -f \`${CC} -print-file-name=\`crt0.o ]; then echo \`${CC} -print-file-name=\`crt0.o; else echo /lib/crt0.o; fi`'
197 HOSTING_LIBS=`sed -e 's,-lc,-lc881,' <<EOF
198 $HOSTING_LIBS
199 EOF`
200 ;;
201
202 m68*-sun-*)
203 HOSTING_CRT0='/usr/lib/crt0.o /usr/lib/Fcrt1.o -L/usr/lib/fsoft.o'
204 ;;
205
206 m88*-*-dgux*)
207 HDEFINES=-D__using_DGUX
208 HOSTING_CRT0='/lib/crt0.o -X'
209 HOSTING_LIBS=/usr/sde/m88kbcs/lib/libc.a
210 ;;
211
212 m88*-motorola-sysv3)
213 HOSTING_CRT0='/lib/crt0.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else ${CC} -print-file-name=crtbegin.o; fi`'
214 HOSTING_LIBS="$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else ${CC} -print-file-name=crtend.o; fi`'
215 ;;
216
217 sparc-*-solaris2*)
218 HOSTING_CRT0='`if [ -f ../gcc/crt1.o ]; then echo ../gcc/crt1.o; else ${CC} -print-file-name=crt1.o; fi` `if [ -f ../gcc/crti.o ]; then echo ../gcc/crti.o; else ${CC} -print-file-name=crti.o; fi` /usr/ccs/lib/values-Xa.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else ${CC} -print-file-name=crtbegin.o; fi`'
219 HOSTING_LIBS="$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else ${CC} -print-file-name=crtend.o; fi` `if [ -f ../gcc/crtn.o ]; then echo ../gcc/crtn.o; else ${CC} -print-file-name=crtn.o; fi`'
220 ;;
221
222 sparc64-*-solaris2* | sparcv9-*-solaris2*)
223 HOSTING_CRT0='`if [ -f ../gcc/crt1.o ]; then echo ../gcc/crt1.o; else ${CC} -print-file-name=crt1.o; fi` `if [ -f ../gcc/crti.o ]; then echo ../gcc/crti.o; else ${CC} -print-file-name=crti.o; fi` /usr/ccs/lib/sparcv9/values-Xa.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else ${CC} -print-file-name=crtbegin.o; fi`'
224 HOSTING_LIBS="$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else ${CC} -print-file-name=crtend.o; fi` `if [ -f ../gcc/crtn.o ]; then echo ../gcc/crtn.o; else ${CC} -print-file-name=crtn.o; fi`'
225 ;;
226
227 *-*-dragonfly*)
228 ;;
229
230 *-*-freebsd* | *-*-kfreebsd*-gnu)
231 ;;
232
233 *-*-linux* | *-*-gnu*)
234 ;;
235
236 *-*-netbsd*)
237 ;;
238
239 *-*-openbsd*)
240 ;;
241
242 alpha*-*-*)
243 HOSTING_CRT0=/usr/ccs/lib/crt0.o
244 ;;
245
246 esac
247
248 # Provide default HOSTING_SCRT0. Each host should define a proper one
249 # if needed.
250 if test -z "$HOSTING_SCRT0"; then
251 HOSTING_SCRT0="$HOSTING_CRT0"
252 fi
253
254 # Provide default HOSTING_SLIBS. Each host should define a proper one
255 # if needed.
256 if test -z "$HOSTING_SLIBS"; then
257 HOSTING_SLIBS="$HOSTING_LIBS"
258 fi