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Commit | Line | Data |
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7a938933 ILT |
1 | # configure.ac -- Go library configure script. |
2 | ||
3 | # Copyright 2009 The Go Authors. All rights reserved. | |
4 | # Use of this source code is governed by a BSD-style | |
5 | # license that can be found in the LICENSE file. | |
6 | ||
7 | # Process this file with autoreconf to produce configure. | |
8 | ||
7a938933 ILT |
9 | AC_INIT(package-unused, version-unused,, libgo) |
10 | AC_CONFIG_SRCDIR(Makefile.am) | |
11 | AC_CONFIG_HEADER(config.h) | |
12 | ||
f1412546 | 13 | libtool_VERSION=23:0:0 |
7a938933 ILT |
14 | AC_SUBST(libtool_VERSION) |
15 | ||
16 | AM_ENABLE_MULTILIB(, ..) | |
17 | ||
18 | AC_CANONICAL_SYSTEM | |
19 | target_alias=${target_alias-$host_alias} | |
20 | ||
73b6d7a9 | 21 | AM_INIT_AUTOMAKE([1.9.3 no-define foreign no-dist subdir-objects -Wall -Wno-portability -Wno-override]) |
7a938933 ILT |
22 | AH_TEMPLATE(PACKAGE, [Name of package]) |
23 | AH_TEMPLATE(VERSION, [Version number of package]) | |
24 | ||
25 | m4_rename([_AC_ARG_VAR_PRECIOUS],[glibgo_PRECIOUS]) | |
26 | m4_define([_AC_ARG_VAR_PRECIOUS],[]) | |
27 | AC_PROG_CC | |
28 | AC_PROG_GO | |
4d12cf3c | 29 | AM_PROG_AS |
7a938933 ILT |
30 | m4_rename_force([glibgo_PRECIOUS],[_AC_ARG_VAR_PRECIOUS]) |
31 | ||
32 | AC_SUBST(CFLAGS) | |
33 | ||
f163907e ILT |
34 | case ${host} in |
35 | *-*-aix*) | |
83cc5e2b | 36 | # Check default architecture for FAT library creation |
d040555a CC |
37 | if test -z "`$CC -x c -E /dev/null -g3 -o - | grep 64BIT`" ; then |
38 | AIX_EXTRA_ARCH='64' | |
83cc5e2b | 39 | else |
d040555a | 40 | AIX_EXTRA_ARCH='32' |
83cc5e2b | 41 | fi |
d040555a | 42 | AC_SUBST(AIX_EXTRA_ARCH) |
f163907e ILT |
43 | ;; |
44 | esac | |
45 | ||
7a938933 ILT |
46 | AM_MAINTAINER_MODE |
47 | ||
48 | AC_PROG_LD | |
49 | AC_PROG_RANLIB | |
50 | AC_CHECK_TOOL(OBJCOPY, objcopy, missing-objcopy) | |
51 | ||
52 | AC_LIBTOOL_DLOPEN | |
53 | AM_PROG_LIBTOOL | |
54 | AC_SUBST(enable_shared) | |
55 | AC_SUBST(enable_static) | |
6a6d3817 | 56 | AM_CONDITIONAL([ENABLE_DARWIN_AT_RPATH], [test x$enable_darwin_at_rpath = xyes]) |
7a938933 | 57 | |
d983a802 ILT |
58 | CC_FOR_BUILD=${CC_FOR_BUILD:-gcc} |
59 | AC_SUBST(CC_FOR_BUILD) | |
60 | ||
de27caac ILT |
61 | AC_PROG_AWK |
62 | ||
7a938933 ILT |
63 | WARN_FLAGS='-Wall -Wextra -Wwrite-strings -Wcast-qual' |
64 | AC_SUBST(WARN_FLAGS) | |
65 | ||
45ba6bf2 DS |
66 | AC_ARG_ENABLE([werror], |
67 | [AS_HELP_STRING([--disable-werror], [disable building with -Werror])]) | |
68 | AS_IF([test "x$enable_werror" != "xno" && test "x$GCC" = "xyes"], | |
69 | [WERROR="-Werror"]) | |
7a938933 ILT |
70 | AC_SUBST(WERROR) |
71 | ||
72 | glibgo_toolexecdir=no | |
73 | glibgo_toolexeclibdir=no | |
7a938933 ILT |
74 | |
75 | AC_MSG_CHECKING([for --enable-version-specific-runtime-libs]) | |
76 | AC_ARG_ENABLE([version-specific-runtime-libs], | |
77 | AC_HELP_STRING([--enable-version-specific-runtime-libs], | |
78 | [Specify that runtime libraries should be installed in a compiler-specific directory]), | |
79 | [case "$enableval" in | |
80 | yes) version_specific_libs=yes ;; | |
81 | no) version_specific_libs=no ;; | |
82 | *) AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);; | |
83 | esac], | |
84 | [version_specific_libs=no]) | |
85 | AC_MSG_RESULT($version_specific_libs) | |
86 | ||
ba386bea ILT |
87 | GCC_WITH_TOOLEXECLIBDIR |
88 | ||
7a938933 ILT |
89 | # Version-specific runtime libs processing. |
90 | if test $version_specific_libs = yes; then | |
91 | glibgo_toolexecdir='${libdir}/gcc/${host_alias}' | |
92 | glibgo_toolexeclibdir='${toolexecdir}/${gcc_version}$(MULTISUBDIR)' | |
93 | fi | |
94 | ||
95 | # Calculate glibgo_toolexecdir, glibgo_toolexeclibdir | |
96 | # Install a library built with a cross compiler in tooldir, not libdir. | |
317ea7c0 ILT |
97 | if test -n "$with_cross_host" && |
98 | test x"$with_cross_host" != x"no"; then | |
99 | nover_glibgo_toolexecdir='${exec_prefix}/${host_alias}' | |
ba386bea ILT |
100 | case ${with_toolexeclibdir} in |
101 | no) | |
102 | nover_glibgo_toolexeclibdir='${toolexecdir}/lib' | |
103 | ;; | |
104 | *) | |
105 | nover_glibgo_toolexeclibdir=${with_toolexeclibdir} | |
106 | ;; | |
107 | esac | |
317ea7c0 ILT |
108 | else |
109 | nover_glibgo_toolexecdir='${libdir}/gcc/${host_alias}' | |
110 | nover_glibgo_toolexeclibdir='${libdir}' | |
111 | fi | |
6c76a95d | 112 | multi_os_directory=`$GOC -print-multi-os-directory` |
317ea7c0 ILT |
113 | case $multi_os_directory in |
114 | .) ;; # Avoid trailing /. | |
115 | *) nover_glibgo_toolexeclibdir=${nover_glibgo_toolexeclibdir}/${multi_os_directory} ;; | |
116 | esac | |
117 | ||
7a938933 | 118 | if test x"$glibgo_toolexecdir" = x"no"; then |
317ea7c0 ILT |
119 | glibgo_toolexecdir="${nover_glibgo_toolexecdir}" |
120 | glibgo_toolexeclibdir="${nover_glibgo_toolexeclibdir}" | |
7a938933 ILT |
121 | fi |
122 | ||
7a938933 ILT |
123 | AC_SUBST(glibgo_toolexecdir) |
124 | AC_SUBST(glibgo_toolexeclibdir) | |
317ea7c0 | 125 | AC_SUBST(nover_glibgo_toolexeclibdir) |
7a938933 ILT |
126 | |
127 | # See if the user wants to configure without libffi. Some | |
128 | # architectures don't support it. FIXME: We should set a default | |
129 | # based on the host. | |
130 | AC_ARG_WITH(libffi, | |
131 | AS_HELP_STRING([--without-libffi], | |
132 | [don't use libffi]), | |
133 | [:], | |
134 | [with_libffi=${with_libffi_default-yes}]) | |
135 | ||
136 | LIBFFI= | |
137 | LIBFFIINCS= | |
138 | if test "$with_libffi" != no; then | |
139 | AC_DEFINE(USE_LIBFFI, 1, [Define if we're to use libffi.]) | |
140 | LIBFFI=../libffi/libffi_convenience.la | |
141 | LIBFFIINCS='-I$(top_srcdir)/../libffi/include -I../libffi/include' | |
142 | fi | |
143 | AC_SUBST(LIBFFI) | |
144 | AC_SUBST(LIBFFIINCS) | |
8b9cfd76 | 145 | AM_CONDITIONAL(USE_LIBFFI, test "$with_libffi" != "no") |
7a938933 | 146 | |
9a85ed03 ILT |
147 | # See if the user wants to configure without libatomic. This is useful if we are |
148 | # on an architecture for which libgo does not need an atomic support library and | |
149 | # libatomic does not support our C compiler. | |
150 | AC_ARG_WITH(libatomic, | |
151 | AS_HELP_STRING([--without-libatomic], | |
152 | [don't use libatomic]), | |
153 | [:], | |
154 | [with_libatomic=${with_libatomic_default-yes}]) | |
155 | ||
156 | LIBATOMIC= | |
157 | if test "$with_libatomic" != no; then | |
158 | LIBATOMIC=../libatomic/libatomic_convenience.la | |
159 | fi | |
160 | AC_SUBST(LIBATOMIC) | |
161 | ||
18c70075 ILT |
162 | # Used to tell GNU make to include a file without telling automake to |
163 | # include it. | |
164 | go_include="-include" | |
165 | AC_SUBST(go_include) | |
166 | ||
a8464243 ILT |
167 | # All known GOOS values. This is the union of all operating systems |
168 | # supported by the gofrontend and all operating systems supported by | |
169 | # the gc toolchain. | |
cfcbb422 | 170 | ALLGOOS="aix android darwin dragonfly freebsd hurd illumos ios irix js linux netbsd openbsd plan9 rtems solaris windows zos" |
a8464243 | 171 | |
7a938933 ILT |
172 | is_darwin=no |
173 | is_freebsd=no | |
654d2ec0 | 174 | is_irix=no |
7a938933 | 175 | is_linux=no |
1efa38d1 | 176 | is_netbsd=no |
4ccad563 | 177 | is_openbsd=no |
f038dae6 | 178 | is_dragonfly=no |
7a938933 | 179 | is_rtems=no |
f2ee78b8 | 180 | is_solaris=no |
f163907e | 181 | is_aix=no |
d9f0237f | 182 | is_hurd=no |
c3b5b97b | 183 | GOOS=unknown |
7a938933 | 184 | case ${host} in |
f2ee78b8 ILT |
185 | *-*-darwin*) is_darwin=yes; GOOS=darwin ;; |
186 | *-*-freebsd*) is_freebsd=yes; GOOS=freebsd ;; | |
654d2ec0 | 187 | *-*-irix6*) is_irix=yes; GOOS=irix ;; |
f2ee78b8 | 188 | *-*-linux*) is_linux=yes; GOOS=linux ;; |
df4aa89a | 189 | *-*-netbsd*) is_netbsd=yes; GOOS=netbsd ;; |
4ccad563 | 190 | *-*-openbsd*) is_openbsd=yes; GOOS=openbsd ;; |
f038dae6 | 191 | *-*-dragonfly*) is_dragonfly=yes; GOOS=dragonfly ;; |
f2ee78b8 ILT |
192 | *-*-rtems*) is_rtems=yes; GOOS=rtems ;; |
193 | *-*-solaris2*) is_solaris=yes; GOOS=solaris ;; | |
f163907e | 194 | *-*-aix*) is_aix=yes; GOOS=aix ;; |
d9f0237f | 195 | *-*-gnu*) is_hurd=yes; GOOS=hurd ;; |
7a938933 ILT |
196 | esac |
197 | AM_CONDITIONAL(LIBGO_IS_DARWIN, test $is_darwin = yes) | |
198 | AM_CONDITIONAL(LIBGO_IS_FREEBSD, test $is_freebsd = yes) | |
654d2ec0 | 199 | AM_CONDITIONAL(LIBGO_IS_IRIX, test $is_irix = yes) |
7a938933 | 200 | AM_CONDITIONAL(LIBGO_IS_LINUX, test $is_linux = yes) |
df4aa89a | 201 | AM_CONDITIONAL(LIBGO_IS_NETBSD, test $is_netbsd = yes) |
4ccad563 | 202 | AM_CONDITIONAL(LIBGO_IS_OPENBSD, test $is_openbsd = yes) |
824393bd | 203 | AM_CONDITIONAL(LIBGO_IS_DRAGONFLY, test $is_dragonfly = yes) |
7a938933 | 204 | AM_CONDITIONAL(LIBGO_IS_RTEMS, test $is_rtems = yes) |
f2ee78b8 | 205 | AM_CONDITIONAL(LIBGO_IS_SOLARIS, test $is_solaris = yes) |
f163907e | 206 | AM_CONDITIONAL(LIBGO_IS_AIX, test $is_aix = yes) |
d9f0237f | 207 | AM_CONDITIONAL(LIBGO_IS_HURD, test $is_hurd = yes) |
22b955cc | 208 | AM_CONDITIONAL(LIBGO_IS_BSD, test $is_darwin = yes -o $is_dragonfly = yes -o $is_freebsd = yes -o $is_netbsd = yes -o $is_openbsd = yes) |
c3b5b97b | 209 | AC_SUBST(GOOS) |
a8464243 | 210 | AC_SUBST(ALLGOOS) |
7a938933 | 211 | |
cfc6d9ae ILT |
212 | if test "${GOOS}" = "unknown"; then |
213 | AC_MSG_ERROR("could not determine GOOS from ${host}") | |
214 | fi | |
215 | ||
7134cf28 ILT |
216 | dnl Test whether we need to use DejaGNU or whether we can use the |
217 | dnl simpler gotest approach. We can only use gotest for a native | |
218 | dnl build. | |
219 | USE_DEJAGNU=no | |
220 | case ${host} in | |
221 | *-*-rtems*) USE_DEJAGNU=yes ;; | |
553752e1 | 222 | ${build}) ;; |
7134cf28 ILT |
223 | *) USE_DEJAGNU=yes ;; |
224 | esac | |
225 | AC_SUBST(USE_DEJAGNU) | |
226 | ||
a8464243 ILT |
227 | # All known GOARCH values. This is the union of all architectures |
228 | # supported by the gofrontend and all architectures supported by the | |
229 | # gc toolchain. | |
ffad1c54 ILT |
230 | # To add a new architecture: |
231 | # - add it to this list | |
232 | # - if appropriate, add an entry to ALLGOARCHFAMILY below | |
233 | # - add an entry to the case on ${host} below to set GOARCH | |
234 | # - update goarchList in libgo/go/go/build/syslist.go | |
235 | # - update goarch.sh to report the values for this architecture | |
236 | # - update go-set-goarch in gcc/testsuite/go.test/go-test.exp | |
237 | # - update ptrSizeMap and intSizeMap in libgo/go/cmd/cgo/main.go | |
238 | # - update arch lists in libgo/match.sh | |
239 | # - update arch lists in libgo/testsuite/gotest | |
240 | # - update +build lines in several places | |
241 | # - libgo/go/runtime/lfstack_NNbit.go | |
242 | # - libgo/go/runtime/hashNN.go | |
243 | # - libgo/go/runtime/unalignedN.go | |
244 | # - libgo/go/syscall/endian_XX.go | |
245 | # - possibly others | |
246 | # - possibly update files in libgo/go/internal/syscall/unix | |
87cbbc45 | 247 | ALLGOARCH="386 alpha amd64 amd64p32 arm armbe arm64 arm64be ia64 m68k mips mipsle mips64 mips64le mips64p32 mips64p32le nios2 ppc ppc64 ppc64le riscv riscv64 s390 s390x sh shbe sparc sparc64 wasm" |
a8464243 | 248 | |
ffad1c54 | 249 | # All known GOARCH family values. |
87cbbc45 | 250 | ALLGOARCHFAMILY="I386 ALPHA AMD64 ARM ARM64 IA64 M68K MIPS MIPS64 NIOS2 PPC PPC64 RISCV RISCV64 S390 S390X SH SPARC SPARC64 WASM" |
a8464243 | 251 | |
c3b5b97b | 252 | GOARCH=unknown |
7a938933 | 253 | case ${host} in |
e59b9171 | 254 | alpha*-*-*) |
e59b9171 ILT |
255 | GOARCH=alpha |
256 | ;; | |
71d0d50a | 257 | aarch64-*-*) |
71d0d50a ILT |
258 | GOARCH=arm64 |
259 | ;; | |
9961856c ILT |
260 | aarch64_be-*-*) |
261 | GOARCH=arm64be | |
262 | ;; | |
ca11cc98 | 263 | arm*-*-* | strongarm*-*-* | ep9312*-*-* | xscale-*-*) |
ca11cc98 | 264 | GOARCH=arm |
1a2f01ef ILT |
265 | case ${host} in |
266 | arm*b*-*-*) | |
267 | GOARCH=armbe | |
1a2f01ef ILT |
268 | ;; |
269 | esac | |
ca11cc98 | 270 | ;; |
7a938933 | 271 | changequote(,)dnl |
c3b5b97b | 272 | i[34567]86-*-* | x86_64-*-*) |
7a938933 | 273 | changequote([,])dnl |
73b6d7a9 | 274 | AC_COMPILE_IFELSE([AC_LANG_SOURCE([ |
c3b5b97b ILT |
275 | #ifdef __x86_64__ |
276 | #error 64-bit | |
73b6d7a9 ILT |
277 | #endif |
278 | ])], | |
44ef0300 | 279 | [GOARCH=386], |
73b6d7a9 | 280 | AC_COMPILE_IFELSE([AC_LANG_SOURCE([ |
44ef0300 ILT |
281 | #ifdef __ILP32__ |
282 | #error x32 | |
73b6d7a9 ILT |
283 | #endif |
284 | ])], | |
44ef0300 ILT |
285 | [GOARCH=amd64], |
286 | [GOARCH=amd64p32])) | |
7a938933 | 287 | ;; |
4f8e688a | 288 | ia64-*-*) |
4f8e688a ILT |
289 | GOARCH=ia64 |
290 | ;; | |
ca11cc98 | 291 | m68k*-*-*) |
ca11cc98 ILT |
292 | GOARCH=m68k |
293 | ;; | |
294 | mips*-*-*) | |
73b6d7a9 | 295 | AC_COMPILE_IFELSE([AC_LANG_SOURCE([ |
85a09210 ILT |
296 | #if _MIPS_SIM != _ABIO32 |
297 | #error not o32 | |
73b6d7a9 ILT |
298 | #endif |
299 | ])], | |
85a09210 | 300 | [mips_abi="o32"], |
73b6d7a9 | 301 | [AC_COMPILE_IFELSE([AC_LANG_SOURCE([ |
85a09210 ILT |
302 | #if _MIPS_SIM != _ABIN32 |
303 | #error not n32 | |
73b6d7a9 ILT |
304 | #endif |
305 | ])], | |
85a09210 | 306 | [mips_abi="n32"], |
73b6d7a9 | 307 | [AC_COMPILE_IFELSE([AC_LANG_SOURCE([ |
85a09210 ILT |
308 | #if _MIPS_SIM != _ABI64 |
309 | #error not n64 | |
73b6d7a9 ILT |
310 | #endif |
311 | ])], | |
85a09210 | 312 | [mips_abi="n64"], |
85a09210 | 313 | [AC_MSG_ERROR([unknown MIPS ABI]) |
b95cd48b | 314 | [mips_abi="n32"]])])]) |
85a09210 | 315 | case "$mips_abi" in |
1701a9d8 ILT |
316 | "o32") GOARCH=mips ;; |
317 | "n32") GOARCH=mips64p32 ;; | |
318 | "n64") GOARCH=mips64 ;; | |
85a09210 | 319 | esac |
a8464243 | 320 | case "${host}" in |
1701a9d8 ILT |
321 | mips*el-*-*) |
322 | GOARCH="${GOARCH}le" | |
a8464243 | 323 | ;; |
a8464243 | 324 | esac |
ca11cc98 | 325 | ;; |
746d6ed4 ILT |
326 | nios2-*-*) |
327 | GOARCH=nios2 | |
328 | ;; | |
ca11cc98 | 329 | rs6000*-*-* | powerpc*-*-*) |
73b6d7a9 | 330 | AC_COMPILE_IFELSE([AC_LANG_SOURCE([ |
ca11cc98 ILT |
331 | #ifdef _ARCH_PPC64 |
332 | #error 64-bit | |
73b6d7a9 ILT |
333 | #endif |
334 | ])], | |
ffad1c54 | 335 | [GOARCH=ppc], |
a8464243 | 336 | [ |
73b6d7a9 | 337 | AC_COMPILE_IFELSE([AC_LANG_SOURCE([ |
6f7ccafa ILT |
338 | #if defined(_BIG_ENDIAN) || defined(__BIG_ENDIAN__) |
339 | #error 64be | |
73b6d7a9 ILT |
340 | #endif |
341 | ])], | |
ffad1c54 ILT |
342 | [GOARCH=ppc64le], |
343 | [GOARCH=ppc64])]) | |
7a938933 | 344 | ;; |
2c5499b5 MR |
345 | riscv*-*-*) |
346 | AC_COMPILE_IFELSE([AC_LANG_SOURCE([ | |
347 | #if __riscv_xlen == 64 | |
348 | #error 64-bit | |
349 | #endif | |
350 | ])], | |
351 | [GOARCH=riscv], | |
352 | [GOARCH=riscv64]) | |
b613cc2e | 353 | ;; |
1fec5f52 | 354 | s390*-*-*) |
73b6d7a9 | 355 | AC_COMPILE_IFELSE([AC_LANG_SOURCE([ |
1fec5f52 ILT |
356 | #if defined(__s390x__) |
357 | #error 64-bit | |
73b6d7a9 ILT |
358 | #endif |
359 | ])], | |
ffad1c54 ILT |
360 | [GOARCH=s390], |
361 | [GOARCH=s390x]) | |
fd0c1dd1 | 362 | ;; |
ffad1c54 | 363 | sh3eb*-*-* | sh4eb*-*-*) |
fd0c1dd1 | 364 | GOARCH=shbe |
fd0c1dd1 | 365 | ;; |
ffad1c54 | 366 | sh3*-*-* | sh4*-*-*) |
fd0c1dd1 | 367 | GOARCH=sh |
fd0c1dd1 | 368 | ;; |
f2ee78b8 | 369 | sparc*-*-*) |
73b6d7a9 | 370 | AC_COMPILE_IFELSE([AC_LANG_SOURCE([ |
f2ee78b8 ILT |
371 | #if defined(__sparcv9) || defined(__arch64__) |
372 | #error 64-bit | |
73b6d7a9 ILT |
373 | #endif |
374 | ])], | |
ffad1c54 ILT |
375 | [GOARCH=sparc], |
376 | [GOARCH=sparc64]) | |
f2ee78b8 | 377 | ;; |
7a938933 | 378 | esac |
c3b5b97b | 379 | AC_SUBST(GOARCH) |
a8464243 ILT |
380 | AC_SUBST(ALLGOARCH) |
381 | AC_SUBST(ALLGOARCHFAMILY) | |
7a938933 | 382 | |
cfc6d9ae ILT |
383 | if test "${GOARCH}" = "unknown"; then |
384 | AC_MSG_ERROR("could not determine GOARCH from ${host}") | |
385 | fi | |
386 | ||
de0f55db ILT |
387 | AM_CONDITIONAL(LIBGO_IS_X86, test "$GOARCH" = "386" -o "$GOARCH" = "amd64" -o "$GOARCH" = "amd64p32") |
388 | ||
cba8a572 ILT |
389 | FUNCTION_DESCRIPTORS=false |
390 | case ${host} in | |
391 | rs6000*-*-* | powerpc*-*-*) | |
392 | AC_COMPILE_IFELSE([AC_LANG_SOURCE([ | |
393 | #if _CALL_ELF == 1 | |
394 | #error descriptors | |
395 | #endif | |
396 | ])], | |
397 | [FUNCTION_DESCRIPTORS=false], | |
398 | [FUNCTION_DESCRIPTORS=true]) | |
399 | ;; | |
400 | esac | |
401 | AC_SUBST(FUNCTION_DESCRIPTORS) | |
402 | ||
ca11cc98 | 403 | dnl Some files are only present when needed for specific architectures. |
de27caac ILT |
404 | GO_LIBCALL_OS_FILE= |
405 | GO_LIBCALL_OS_ARCH_FILE= | |
406 | GO_SYSCALL_OS_FILE= | |
407 | GO_SYSCALL_OS_ARCH_FILE= | |
204b9fc2 ILT |
408 | if test -f "${srcdir}/go/syscall/libcall_${GOOS}.go"; then |
409 | GO_LIBCALL_OS_FILE="go/syscall/libcall_${GOOS}.go" | |
de27caac | 410 | fi |
204b9fc2 ILT |
411 | if test -f "${srcdir}/go/syscall/libcall_${GOOS}_${GOARCH}.go"; then |
412 | GO_LIBCALL_OS_ARCH_FILE="go/syscall/libcall_${GOOS}_${GOARCH}.go" | |
de27caac | 413 | fi |
204b9fc2 ILT |
414 | if test -f "${srcdir}/go/syscall/syscall_${GOOS}.go"; then |
415 | GO_SYSCALL_OS_FILE="go/syscall/syscall_${GOOS}.go" | |
de27caac | 416 | fi |
204b9fc2 ILT |
417 | if test -f "${srcdir}/go/syscall/syscall_${GOOS}_${GOARCH}.go"; then |
418 | GO_SYSCALL_OS_ARCH_FILE="go/syscall/syscall_${GOOS}_${GOARCH}.go" | |
ca11cc98 | 419 | fi |
de27caac ILT |
420 | AC_SUBST(GO_LIBCALL_OS_FILE) |
421 | AC_SUBST(GO_LIBCALL_OS_ARCH_FILE) | |
422 | AC_SUBST(GO_SYSCALL_OS_FILE) | |
423 | AC_SUBST(GO_SYSCALL_OS_ARCH_FILE) | |
ca11cc98 | 424 | |
d48be5df ILT |
425 | dnl Special flags used to generate sysinfo.go. |
426 | OSCFLAGS="-D_GNU_SOURCE -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64" | |
90630d19 | 427 | case "$target" in |
9f3b1e6c ILT |
428 | mips-sgi-irix6.5*) |
429 | # IRIX 6 needs _XOPEN_SOURCE=500 for the XPG5 version of struct | |
430 | # msghdr in <sys/socket.h>. | |
d48be5df | 431 | OSCFLAGS="$OSCFLAGS -D_XOPEN_SOURCE=500" |
9f3b1e6c | 432 | ;; |
93ee143d | 433 | *-*-solaris2.*) |
90630d19 | 434 | # Solaris 10+ needs this so struct msghdr gets the msg_control |
bbe847a1 | 435 | # etc. fields in <sys/socket.h> (_XPG4_2). _XOPEN_SOURCE=600 as |
90630d19 | 436 | # above doesn't work with C99. |
bbe847a1 | 437 | OSCFLAGS="$OSCFLAGS -std=gnu99 -D_XOPEN_SOURCE=600 -D__EXTENSIONS__" |
90630d19 ILT |
438 | ;; |
439 | esac | |
440 | AC_SUBST(OSCFLAGS) | |
441 | ||
08934aed ILT |
442 | dnl Check if assembler supports disabling hardware capability support. |
443 | GCC_CHECK_ASSEMBLER_HWCAP | |
c3c54e0f | 444 | |
7a938933 ILT |
445 | dnl Use -fsplit-stack when compiling C code if available. |
446 | AC_CACHE_CHECK([whether -fsplit-stack is supported], | |
f2ee78b8 | 447 | [libgo_cv_c_split_stack_supported], |
7a938933 ILT |
448 | [CFLAGS_hold=$CFLAGS |
449 | CFLAGS="$CFLAGS -fsplit-stack" | |
73b6d7a9 | 450 | AC_COMPILE_IFELSE([AC_LANG_SOURCE([int i;])], |
f2ee78b8 ILT |
451 | [libgo_cv_c_split_stack_supported=yes], |
452 | [libgo_cv_c_split_stack_supported=no]) | |
7a938933 | 453 | CFLAGS=$CFLAGS_hold]) |
c33c18cd ILT |
454 | |
455 | dnl Make sure the linker permits -fsplit-stack. Old versions of gold will | |
456 | dnl reject split-stack code calling non-split-stack code on targets | |
457 | dnl they don't support. | |
458 | AC_CACHE_CHECK([whether linker supports split/non-split linked together], | |
459 | [libgo_cv_c_linker_split_non_split], | |
460 | [cat > conftest1.c << EOF | |
461 | extern void f(); | |
462 | int main() { f(); return 0; } | |
463 | EOF | |
464 | cat > conftest2.c << EOF | |
465 | void f() {} | |
466 | EOF | |
207f844e ILT |
467 | $CC -c -fsplit-stack $CFLAGS $CPPFLAGS conftest1.c >/dev/null 2>&1 |
468 | $CC -c $CFLAGS $CPPFLAGS conftest2.c > /dev/null 2>&1 | |
469 | if $CC -o conftest conftest1.$ac_objext conftest2.$ac_objext > /dev/null 2>&1; then | |
c33c18cd ILT |
470 | libgo_cv_c_linker_split_non_split=yes |
471 | else | |
472 | libgo_cv_c_linker_split_non_split=no | |
473 | fi | |
474 | rm -f conftest1.* conftest2.* conftest]) | |
475 | ||
476 | if test "$libgo_cv_c_split_stack_supported" = yes -a "$libgo_cv_c_linker_split_non_split" = yes; then | |
7a938933 ILT |
477 | SPLIT_STACK=-fsplit-stack |
478 | AC_DEFINE(USING_SPLIT_STACK, 1, | |
479 | [Define if the compiler supports -fsplit-stack]) | |
480 | else | |
481 | SPLIT_STACK= | |
482 | fi | |
483 | AC_SUBST(SPLIT_STACK) | |
484 | AM_CONDITIONAL(USING_SPLIT_STACK, | |
c33c18cd | 485 | test "$libgo_cv_c_split_stack_supported" = yes -a "$libgo_cv_c_linker_split_non_split" = yes) |
7a938933 | 486 | |
a2bf11d1 ILT |
487 | dnl If the compiler supports split-stack but the linker does not, then |
488 | dnl we need to explicitly disable split-stack for Go. | |
489 | if test "$libgo_cv_c_split_stack_supported" = yes -a "$libgo_cv_c_linker_split_non_split" = no; then | |
490 | GO_SPLIT_STACK=-fno-split-stack | |
491 | else | |
492 | GO_SPLIT_STACK= | |
493 | fi | |
494 | AC_SUBST(GO_SPLIT_STACK) | |
495 | ||
7a938933 ILT |
496 | dnl Check whether the linker does stack munging when calling from |
497 | dnl split-stack into non-split-stack code. We check this by looking | |
498 | dnl at the --help output. FIXME: This is only half right: it's | |
499 | dnl possible for the linker to support this for some targets but not | |
500 | dnl others. | |
c33c18cd ILT |
501 | dnl This is slightly different from the above check, which is whether |
502 | dnl the linker permits the call at all. | |
7a938933 | 503 | AC_CACHE_CHECK([whether linker supports split stack], |
f2ee78b8 | 504 | [libgo_cv_c_linker_supports_split_stack], |
f56c5dd1 ILT |
505 | [libgo_cv_c_linker_supports_split_stack=no |
506 | if $GOC -Wl,--help 2>/dev/null | grep split-stack-adjust-size >/dev/null 2>&1; then | |
f2ee78b8 | 507 | libgo_cv_c_linker_supports_split_stack=yes |
f56c5dd1 | 508 | fi]) |
f2ee78b8 | 509 | if test "$libgo_cv_c_linker_supports_split_stack" = yes; then |
7a938933 ILT |
510 | AC_DEFINE(LINKER_SUPPORTS_SPLIT_STACK, 1, |
511 | [Define if the linker support split stack adjustments]) | |
512 | fi | |
513 | ||
4c46b5f0 ILT |
514 | AC_CACHE_CHECK([whether compiler is llgo], |
515 | [libgo_cv_c_goc_is_llgo], | |
516 | [libgo_cv_c_goc_is_llgo=no | |
517 | if $GOC -dumpversion 2>/dev/null | grep llgo >/dev/null 2>&1; then | |
518 | libgo_cv_c_goc_is_llgo=yes | |
519 | fi]) | |
520 | AM_CONDITIONAL(GOC_IS_LLGO, test "$libgo_cv_c_goc_is_llgo" = yes) | |
521 | ||
505b439a ILT |
522 | dnl Test for the -lm library. |
523 | MATH_LIBS= | |
524 | AC_CHECK_LIB([m], [sqrt], MATH_LIBS=-lm) | |
525 | AC_SUBST(MATH_LIBS) | |
526 | ||
f2ee78b8 ILT |
527 | dnl Test for -lsocket and -lnsl. Copied from libjava/configure.ac. |
528 | AC_CACHE_CHECK([for socket libraries], libgo_cv_lib_sockets, | |
529 | [libgo_cv_lib_sockets= | |
530 | libgo_check_both=no | |
531 | AC_CHECK_FUNC(connect, libgo_check_socket=no, libgo_check_socket=yes) | |
532 | if test "$libgo_check_socket" = "yes"; then | |
533 | unset ac_cv_func_connect | |
534 | AC_CHECK_LIB(socket, main, libgo_cv_lib_sockets="-lsocket", | |
535 | libgo_check_both=yes) | |
536 | fi | |
537 | if test "$libgo_check_both" = "yes"; then | |
538 | libgo_old_libs=$LIBS | |
539 | LIBS="$LIBS -lsocket -lnsl" | |
540 | unset ac_cv_func_accept | |
541 | AC_CHECK_FUNC(accept, | |
542 | [libgo_check_nsl=no | |
543 | libgo_cv_lib_sockets="-lsocket -lnsl"]) | |
544 | unset ac_cv_func_accept | |
545 | LIBS=$libgo_old_libs | |
546 | fi | |
547 | unset ac_cv_func_gethostbyname | |
548 | libgo_old_libs="$LIBS" | |
549 | AC_CHECK_FUNC(gethostbyname, , | |
550 | [AC_CHECK_LIB(nsl, main, | |
551 | [libgo_cv_lib_sockets="$libgo_cv_lib_sockets -lnsl"])]) | |
552 | unset ac_cv_func_gethostbyname | |
88cf4de8 ILT |
553 | AC_CHECK_FUNC(sendfile, , |
554 | [AC_CHECK_LIB(sendfile, main, | |
555 | [libgo_cv_lib_sockets="$libgo_cv_lib_sockets -lsendfile"])]) | |
f2ee78b8 ILT |
556 | LIBS=$libgo_old_libs |
557 | ]) | |
558 | NET_LIBS="$libgo_cv_lib_sockets" | |
559 | AC_SUBST(NET_LIBS) | |
560 | ||
6c94a9fa ILT |
561 | dnl Test whether the compiler supports the -pthread option. |
562 | AC_CACHE_CHECK([whether -pthread is supported], | |
f2ee78b8 | 563 | [libgo_cv_lib_pthread], |
6c94a9fa | 564 | [CFLAGS_hold=$CFLAGS |
35e7db41 | 565 | CFLAGS="$CFLAGS -pthread -L../libatomic/.libs" |
73b6d7a9 | 566 | AC_COMPILE_IFELSE([AC_LANG_SOURCE([int i;])], |
f2ee78b8 ILT |
567 | [libgo_cv_lib_pthread=yes], |
568 | [libgo_cv_lib_pthread=no]) | |
6c94a9fa ILT |
569 | CFLAGS=$CFLAGS_hold]) |
570 | PTHREAD_CFLAGS= | |
f2ee78b8 | 571 | if test "$libgo_cv_lib_pthread" = yes; then |
35e7db41 ILT |
572 | # RISC-V apparently adds -latomic when using -pthread. |
573 | PTHREAD_CFLAGS="-pthread -L../libatomic/.libs" | |
6c94a9fa ILT |
574 | fi |
575 | AC_SUBST(PTHREAD_CFLAGS) | |
576 | ||
577 | dnl Test for the -lpthread library. | |
578 | PTHREAD_LIBS= | |
579 | AC_CHECK_LIB([pthread], [pthread_create], PTHREAD_LIBS=-lpthread) | |
580 | AC_SUBST(PTHREAD_LIBS) | |
581 | ||
2b1a604a ILT |
582 | dnl Test if -lucontext is required for makecontext. |
583 | AC_SEARCH_LIBS([makecontext], [ucontext]) | |
584 | ||
bbbe8b33 | 585 | dnl Test if -lrt is required for sched_yield or nanosleep or clock_gettime. |
ed4ebabc | 586 | AC_SEARCH_LIBS([sched_yield], [rt]) |
ae135907 | 587 | AC_SEARCH_LIBS([nanosleep], [rt]) |
bbbe8b33 | 588 | AC_SEARCH_LIBS([clock_gettime], [rt]) |
ed4ebabc | 589 | |
7a938933 ILT |
590 | AC_C_BIGENDIAN |
591 | ||
592 | GCC_CHECK_UNWIND_GETIPINFO | |
593 | ||
7f195a22 | 594 | AC_CHECK_HEADERS(fcntl.h port.h sched.h semaphore.h sys/file.h sys/mman.h syscall.h sys/epoll.h sys/event.h sys/inotify.h sys/ptrace.h sys/syscall.h sys/sysctl.h sys/user.h sys/utsname.h sys/select.h sys/socket.h net/bpf.h net/if.h net/if_arp.h net/route.h netpacket/packet.h sys/prctl.h sys/mount.h sys/vfs.h sys/statfs.h sys/timex.h sys/sysinfo.h utime.h linux/ether.h linux/fs.h linux/ptrace.h linux/reboot.h netinet/in_syst.h netinet/ip.h netinet/ip_mroute.h netinet/if_ether.h lwp.h) |
6222bddc ILT |
595 | |
596 | AC_CHECK_HEADERS([netinet/icmp6.h], [], [], | |
597 | [#include <netinet/in.h> | |
598 | ]) | |
adb0401d | 599 | |
1410c222 | 600 | AC_CHECK_HEADERS([linux/filter.h linux/if_addr.h linux/if_ether.h linux/if_tun.h linux/netlink.h linux/rtnetlink.h], [], [], |
adb0401d ILT |
601 | [#ifdef HAVE_SYS_SOCKET_H |
602 | #include <sys/socket.h> | |
603 | #endif | |
604 | ]) | |
605 | ||
7a938933 | 606 | AM_CONDITIONAL(HAVE_SYS_MMAN_H, test "$ac_cv_header_sys_mman_h" = yes) |
8955c80a | 607 | |
d8ccfadb | 608 | AC_CHECK_FUNCS(strerror_r strsignal wait4 mincore setenv unsetenv dl_iterate_phdr memmem) |
8955c80a | 609 | AM_CONDITIONAL(HAVE_STRERROR_R, test "$ac_cv_func_strerror_r" = yes) |
0b3189e7 | 610 | AM_CONDITIONAL(HAVE_WAIT4, test "$ac_cv_func_wait4" = yes) |
7a938933 | 611 | |
cfcbb422 ILT |
612 | AC_STRUCT_DIRENT_D_TYPE |
613 | ||
f163907e | 614 | AC_CHECK_FUNCS(accept4 dup3 epoll_create1 faccessat fallocate fchmodat fchownat futimesat getxattr inotify_add_watch inotify_init inotify_init1 inotify_rm_watch listxattr mkdirat mknodat open64 openat pipe2 removexattr renameat setxattr sync_file_range splice syscall tee unlinkat unshare utimensat) |
5d46bf05 | 615 | AC_TYPE_OFF_T |
7f195a22 ILT |
616 | |
617 | CFLAGS_hold="$CFLAGS" | |
618 | CFLAGS="$OSCFLAGS $CFLAGS" | |
7905a9ac ILT |
619 | AC_CHECK_TYPES([loff_t], [], [], [[ |
620 | #include <sys/types.h> | |
621 | #include <fcntl.h> | |
622 | ]]) | |
7f195a22 | 623 | CFLAGS="$CFLAGS_hold" |
e02ed81e | 624 | |
324612b3 ILT |
625 | LIBS_hold="$LIBS" |
626 | LIBS="$LIBS -lm" | |
627 | AC_CHECK_FUNCS(cosl expl logl sinl tanl acosl asinl atanl atan2l expm1l ldexpl log10l log1pl) | |
628 | LIBS="$LIBS_hold" | |
629 | ||
08ee945e ILT |
630 | CFLAGS_hold="$CFLAGS" |
631 | CFLAGS="$CFLAGS $PTHREAD_CFLAGS" | |
632 | LIBS_hold="$LIBS" | |
633 | LIBS="$LIBS $PTHREAD_LIBS" | |
634 | AC_CHECK_FUNCS(sem_timedwait) | |
635 | CFLAGS="$CFLAGS_hold" | |
636 | LIBS="$LIBS_hold" | |
637 | ||
d2b480bc ILT |
638 | LIBS_hold="$LIBS" |
639 | LIBS="$LIBS $MATH_LIBS" | |
640 | AC_CHECK_FUNCS(matherr) | |
641 | LIBS="$LIBS_hold" | |
642 | ||
7a938933 ILT |
643 | dnl For x86 we want to use the -minline-all-stringops option to avoid |
644 | dnl forcing a stack split when calling memcpy and friends. | |
645 | AC_CACHE_CHECK([whether compiler supports -minline-all-stringops], | |
f2ee78b8 | 646 | [libgo_cv_c_stringops], |
7a938933 ILT |
647 | [CFLAGS_hold=$CFLAGS |
648 | CFLAGS="$CFLAGS -minline-all-stringops" | |
73b6d7a9 | 649 | AC_COMPILE_IFELSE([AC_LANG_SOURCE([int i;])], |
f2ee78b8 ILT |
650 | [libgo_cv_c_stringops=yes], |
651 | [libgo_cv_c_stringops=no]) | |
7a938933 ILT |
652 | CFLAGS=$CFLAGS_hold]) |
653 | STRINGOPS_FLAG= | |
f2ee78b8 | 654 | if test "$libgo_cv_c_stringops" = yes; then |
7a938933 ILT |
655 | STRINGOPS_FLAG=-minline-all-stringops |
656 | fi | |
657 | AC_SUBST(STRINGOPS_FLAG) | |
658 | ||
9d465faf | 659 | dnl For x86 we want to compile the math library with -mfancy-math-387 |
28f3c814 | 660 | dnl so that we can use the builtin instructions directly. |
9d465faf ILT |
661 | AC_CACHE_CHECK([whether compiler supports -mfancy-math-387], |
662 | [libgo_cv_c_fancymath], | |
663 | [CFLAGS_hold=$CFLAGS | |
664 | CFLAGS="$CFLAGS -mfancy-math-387" | |
73b6d7a9 | 665 | AC_COMPILE_IFELSE([AC_LANG_SOURCE([int i;])], |
9d465faf ILT |
666 | [libgo_cv_c_fancymath=yes], |
667 | [libgo_cv_c_fancymath=no]) | |
668 | CFLAGS=$CFLAGS_hold]) | |
669 | MATH_FLAG= | |
670 | if test "$libgo_cv_c_fancymath" = yes; then | |
28f3c814 | 671 | MATH_FLAG="-mfancy-math-387" |
9d465faf | 672 | fi |
28f3c814 | 673 | MATH_FLAG="${MATH_FLAG} -ffp-contract=off -fno-math-errno -fno-trapping-math" |
9d465faf ILT |
674 | AC_SUBST(MATH_FLAG) |
675 | ||
7a938933 ILT |
676 | CFLAGS_hold=$CFLAGS |
677 | CFLAGS="$CFLAGS -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE" | |
e02ed81e | 678 | AC_CHECK_TYPES([off64_t]) |
7a938933 ILT |
679 | CFLAGS=$CFLAGS_hold |
680 | ||
207c35fa ILT |
681 | dnl Work out the size of the epoll_events struct on GNU/Linux. |
682 | AC_CACHE_CHECK([epoll_event size], | |
683 | [libgo_cv_c_epoll_event_size], | |
684 | [AC_COMPUTE_INT(libgo_cv_c_epoll_event_size, | |
685 | [sizeof (struct epoll_event)], | |
686 | [#include <sys/epoll.h>], | |
687 | [libgo_cv_c_epoll_event_size=0])]) | |
688 | SIZEOF_STRUCT_EPOLL_EVENT=${libgo_cv_c_epoll_event_size} | |
689 | AC_SUBST(SIZEOF_STRUCT_EPOLL_EVENT) | |
690 | ||
691 | dnl Work out the offset of the fd field in the epoll_events struct on | |
692 | dnl GNU/Linux. | |
693 | AC_CACHE_CHECK([epoll_event data.fd offset], | |
694 | [libgo_cv_c_epoll_event_fd_offset], | |
695 | [AC_COMPUTE_INT(libgo_cv_c_epoll_event_fd_offset, | |
696 | [offsetof (struct epoll_event, data.fd)], | |
697 | [#include <stddef.h> | |
698 | #include <sys/epoll.h>], | |
699 | [libgo_cv_c_epoll_event_fd_offset=0])]) | |
700 | STRUCT_EPOLL_EVENT_FD_OFFSET=${libgo_cv_c_epoll_event_fd_offset} | |
701 | AC_SUBST(STRUCT_EPOLL_EVENT_FD_OFFSET) | |
702 | ||
476013d6 | 703 | dnl Check if <sys/stat.h> uses timespec_t for st_?tim members. Introduced |
082fc7e8 | 704 | dnl in Solaris 11.4 for XPG7 compatibility. |
476013d6 ILT |
705 | AC_EGREP_HEADER([timespec_t.*st_atim], [sys/stat.h], |
706 | [have_stat_timespec=yes], [have_stat_timespec=no]) | |
707 | AM_CONDITIONAL(HAVE_STAT_TIMESPEC, test $have_stat_timespec = yes) | |
708 | ||
d2b480bc ILT |
709 | dnl See if struct exception is defined in <math.h>. |
710 | AC_CHECK_TYPE([struct exception], | |
711 | [libgo_has_struct_exception=yes], | |
712 | [libgo_has_struct_exception=no], | |
713 | [#include <math.h>]) | |
714 | if test "$libgo_has_struct_exception" = "yes"; then | |
715 | AC_DEFINE(HAVE_STRUCT_EXCEPTION, 1, | |
716 | [Define to 1 if <math.h> defines struct exception]) | |
717 | fi | |
718 | ||
7f57843f ILT |
719 | dnl See whether setcontext changes the value of TLS variables. |
720 | AC_CACHE_CHECK([whether setcontext clobbers TLS variables], | |
721 | [libgo_cv_lib_setcontext_clobbers_tls], | |
e6c5817d ILT |
722 | [CFLAGS_hold="$CFLAGS" |
723 | CFLAGS="$PTHREAD_CFLAGS" | |
724 | LIBS_hold="$LIBS" | |
7f57843f | 725 | LIBS="$LIBS $PTHREAD_LIBS" |
e6c5817d ILT |
726 | AC_CHECK_SIZEOF([void *]) |
727 | AS_VAR_ARITH([ptr_type_size], [$ac_cv_sizeof_void_p \* 8]) | |
7f57843f ILT |
728 | AC_RUN_IFELSE( |
729 | [AC_LANG_SOURCE([ | |
730 | #include <pthread.h> | |
731 | #include <stdlib.h> | |
732 | #include <ucontext.h> | |
733 | #include <unistd.h> | |
734 | ||
735 | __thread int tls; | |
736 | ||
737 | static char stack[[10 * 1024 * 1024]]; | |
738 | static ucontext_t c; | |
739 | ||
740 | /* Called via makecontext/setcontext. */ | |
741 | ||
742 | static void | |
743 | cfn (void) | |
744 | { | |
745 | exit (tls); | |
746 | } | |
747 | ||
748 | /* Called via pthread_create. */ | |
749 | ||
750 | static void * | |
751 | tfn (void *dummy) | |
752 | { | |
753 | /* The thread should still see this value after calling | |
754 | setcontext. */ | |
755 | tls = 0; | |
756 | ||
757 | setcontext (&c); | |
758 | ||
759 | /* The call to setcontext should not return. */ | |
760 | abort (); | |
761 | } | |
762 | ||
763 | int | |
764 | main () | |
765 | { | |
766 | pthread_t tid; | |
767 | ||
768 | /* The thread should not see this value. */ | |
769 | tls = 1; | |
770 | ||
771 | if (getcontext (&c) < 0) | |
772 | abort (); | |
773 | ||
774 | c.uc_stack.ss_sp = stack; | |
ca59d219 ILT |
775 | #ifdef MAKECONTEXT_STACK_TOP |
776 | c.uc_stack.ss_sp += sizeof stack; | |
777 | #endif | |
7f57843f ILT |
778 | c.uc_stack.ss_flags = 0; |
779 | c.uc_stack.ss_size = sizeof stack; | |
780 | c.uc_link = NULL; | |
781 | makecontext (&c, cfn, 0); | |
782 | ||
783 | if (pthread_create (&tid, NULL, tfn, NULL) != 0) | |
784 | abort (); | |
785 | ||
786 | if (pthread_join (tid, NULL) != 0) | |
787 | abort (); | |
788 | ||
789 | /* The thread should have called exit. */ | |
790 | abort (); | |
791 | } | |
792 | ])], | |
793 | [libgo_cv_lib_setcontext_clobbers_tls=no], | |
794 | [libgo_cv_lib_setcontext_clobbers_tls=yes], | |
e6c5817d ILT |
795 | [case "$target:$ptr_type_size" in |
796 | i?86-*-solaris2.1[[01]]:64 | x86_64*-*-solaris2.1[[01]]:64) | |
797 | libgo_cv_lib_setcontext_clobbers_tls=yes ;; | |
798 | *) | |
799 | libgo_cv_lib_setcontext_clobbers_tls=no ;; | |
7f57843f ILT |
800 | esac |
801 | ]) | |
e6c5817d | 802 | CFLAGS="$CFLAGS_hold" |
7f57843f ILT |
803 | LIBS="$LIBS_hold" |
804 | ]) | |
805 | if test "$libgo_cv_lib_setcontext_clobbers_tls" = "yes"; then | |
806 | AC_DEFINE(SETCONTEXT_CLOBBERS_TLS, 1, | |
807 | [Define if setcontext clobbers TLS variables]) | |
808 | fi | |
809 | ||
cc1a9ac8 ILT |
810 | AC_CACHE_CHECK([whether .eh_frame section should be read-only], |
811 | libgo_cv_ro_eh_frame, [ | |
812 | libgo_cv_ro_eh_frame=no | |
813 | echo 'extern void foo (void); void bar (void) { foo (); foo (); }' > conftest.c | |
814 | if $CC $CFLAGS -S -fpic -fexceptions -o conftest.s conftest.c > /dev/null 2>&1; then | |
815 | if grep '.section.*eh_frame.*"a"' conftest.s > /dev/null; then | |
816 | libgo_cv_ro_eh_frame=yes | |
817 | elif grep '.section.*eh_frame.*#alloc' conftest.c \ | |
818 | | grep -v '#write' > /dev/null; then | |
819 | libgo_cv_ro_eh_frame=yes | |
820 | fi | |
821 | fi | |
822 | rm -f conftest.* | |
823 | ]) | |
824 | if test "x$libgo_cv_ro_eh_frame" = xyes; then | |
825 | AC_DEFINE(EH_FRAME_FLAGS, "a", | |
826 | [Define to the flags needed for the .section .eh_frame directive.]) | |
827 | else | |
828 | AC_DEFINE(EH_FRAME_FLAGS, "aw", | |
829 | [Define to the flags needed for the .section .eh_frame directive.]) | |
830 | fi | |
831 | ||
a819231d ILT |
832 | AC_CACHE_CHECK([if compiler supports -Qunused-arguments], |
833 | [libgo_cv_c_unused_arguments], | |
834 | [CFLAGS_hold=$CFLAGS | |
835 | CFLAGS="$CFLAGS -Qunused-arguments" | |
73b6d7a9 | 836 | AC_COMPILE_IFELSE([AC_LANG_SOURCE([int i;])], |
a819231d ILT |
837 | [libgo_cv_c_unused_arguments=yes], |
838 | [libgo_cv_c_unused_arguments=no]) | |
839 | CFLAGS=$CFLAGS_hold]) | |
840 | ||
cc1a9ac8 ILT |
841 | AC_CACHE_CHECK([if assembler supports GNU comdat group syntax], |
842 | libgo_cv_as_comdat_gnu, [ | |
843 | echo '.section .text,"axG",@progbits,.foo,comdat' > conftest.s | |
a819231d ILT |
844 | CFLAGS_hold=$CFLAGS |
845 | if test "$libgo_cv_c_unused_arguments" = yes; then | |
846 | CFLAGS="$CFLAGS -Qunused-arguments" | |
847 | fi | |
cc1a9ac8 ILT |
848 | if $CC $CFLAGS -c conftest.s > /dev/null 2>&1; then |
849 | libgo_cv_as_comdat_gnu=yes | |
850 | else | |
851 | libgo_cv_as_comdat_gnu=no | |
852 | fi | |
a819231d | 853 | CFLAGS=$CFLAGS_hold |
cc1a9ac8 ILT |
854 | ]) |
855 | if test "x$libgo_cv_as_comdat_gnu" = xyes; then | |
856 | AC_DEFINE(HAVE_AS_COMDAT_GAS, 1, | |
857 | [Define if your assembler supports GNU comdat group syntax.]) | |
858 | fi | |
859 | ||
860 | AC_CACHE_CHECK([assembler supports pc related relocs], | |
861 | libgo_cv_as_x86_pcrel, [ | |
862 | libgo_cv_as_x86_pcrel=yes | |
863 | echo '.text; foo: nop; .data; .long foo-.; .text' > conftest.s | |
a819231d ILT |
864 | CFLAGS_hold=$CFLAGS |
865 | if test "$libgo_cv_c_unused_arguments" = yes; then | |
866 | CFLAGS="$CFLAGS -Qunused-arguments" | |
867 | fi | |
cc1a9ac8 ILT |
868 | if $CC $CFLAGS -c conftest.s 2>&1 | $EGREP -i 'illegal|warning' > /dev/null; then |
869 | libgo_cv_as_x86_pcrel=no | |
870 | fi | |
a819231d | 871 | CFLAGS=$CFLAGS_hold |
cc1a9ac8 ILT |
872 | ]) |
873 | if test "x$libgo_cv_as_x86_pcrel" = xyes; then | |
874 | AC_DEFINE(HAVE_AS_X86_PCREL, 1, | |
875 | [Define if your assembler supports PC relative relocs.]) | |
876 | fi | |
877 | ||
878 | AC_CACHE_CHECK([assembler supports unwind section type], | |
879 | libgo_cv_as_x86_64_unwind_section_type, [ | |
880 | libgo_cv_as_x86_64_unwind_section_type=yes | |
881 | echo '.section .eh_frame,"a",@unwind' > conftest.s | |
a819231d ILT |
882 | CFLAGS_hold=$CFLAGS |
883 | if test "$libgo_cv_c_unused_arguments" = yes; then | |
884 | CFLAGS="$CFLAGS -Qunused-arguments" | |
885 | fi | |
cc1a9ac8 ILT |
886 | if $CC $CFLAGS -c conftest.s 2>&1 | grep -i warning > /dev/null; then |
887 | libgo_cv_as_x86_64_unwind_section_type=no | |
888 | fi | |
a819231d | 889 | CFLAGS=$CFLAGS_hold |
cc1a9ac8 ILT |
890 | ]) |
891 | if test "x$libgo_cv_as_x86_64_unwind_section_type" = xyes; then | |
892 | AC_DEFINE(HAVE_AS_X86_64_UNWIND_SECTION_TYPE, 1, | |
893 | [Define if your assembler supports unwind section type.]) | |
894 | fi | |
895 | ||
b379f8d8 ILT |
896 | AC_CACHE_CHECK([assembler supports AES instructions], |
897 | libgo_cv_as_x86_aes, [ | |
898 | libgo_cv_as_x86_aes=yes | |
899 | echo 'aesenc %xmm0, %xmm1' > conftest.s | |
900 | CFLAGS_hold=$CFLAGS | |
901 | if test "$libgo_cv_c_unused_arguments" = yes; then | |
902 | CFLAGS="$CFLAGS -Qunused-arguments" | |
903 | fi | |
904 | if $CC $CFLAGS -c conftest.s 2>&1 | grep -i error > /dev/null; then | |
905 | libgo_cv_as_x86_aes=no | |
906 | fi | |
907 | CFLAGS=$CFLAGS_hold | |
908 | ]) | |
909 | if test "x$libgo_cv_as_x86_aes" = xyes; then | |
910 | AC_DEFINE(HAVE_AS_X86_AES, 1, | |
911 | [Define if your assembler supports AES instructions.]) | |
912 | fi | |
913 | ||
e478cacb ILT |
914 | dnl Test whether the linker supports the -static option. |
915 | AC_CACHE_CHECK([whether -static is supported], | |
916 | [libgo_cv_ld_static], | |
917 | [LDFLAGS_hold=$LDFLAGS | |
918 | LDFLAGS="$LDFLAGS -static" | |
919 | AC_LINK_IFELSE([AC_LANG_PROGRAM(,)], | |
920 | [libgo_cv_ld_static=yes], | |
921 | [libgo_cv_ld_static=no]) | |
922 | LDFLAGS=$LDFLAGS_hold]) | |
923 | AM_CONDITIONAL(HAVE_STATIC_LINK, test "$libgo_cv_ld_static" = yes) | |
924 | ||
08dfde5a ILT |
925 | AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET) |
926 | ||
7a938933 ILT |
927 | AC_CACHE_SAVE |
928 | ||
929 | if test ${multilib} = yes; then | |
930 | multilib_arg="--enable-multilib" | |
931 | else | |
932 | multilib_arg= | |
933 | fi | |
934 | ||
b72813a6 | 935 | AC_CONFIG_FILES(Makefile testsuite/Makefile testsuite/libgo-test-support.exp) |
7a938933 ILT |
936 | |
937 | AC_CONFIG_COMMANDS([default], | |
938 | [if test -n "$CONFIG_FILES"; then | |
939 | # Multilibs need MULTISUBDIR defined correctly in certain makefiles so | |
940 | # that multilib installs will end up installed in the correct place. | |
941 | # The testsuite needs it for multilib-aware ABI baseline files. | |
942 | # To work around this not being passed down from config-ml.in -> | |
943 | # srcdir/Makefile.am -> srcdir/{src,libsupc++,...}/Makefile.am, manually | |
944 | # append it here. Only modify Makefiles that have just been created. | |
945 | # | |
946 | # Also, get rid of this simulated-VPATH thing that automake does. | |
947 | cat > vpsed << \_EOF | |
948 | s!`test -f '$<' || echo '$(srcdir)/'`!! | |
949 | _EOF | |
950 | for i in $SUBDIRS; do | |
951 | case $CONFIG_FILES in | |
952 | *${i}/Makefile*) | |
953 | #echo "Adding MULTISUBDIR to $i/Makefile" | |
954 | sed -f vpsed $i/Makefile > tmp | |
955 | grep '^MULTISUBDIR =' Makefile >> tmp | |
956 | mv tmp $i/Makefile | |
957 | ;; | |
958 | esac | |
959 | done | |
960 | rm vpsed | |
961 | fi | |
962 | ], | |
963 | [ | |
964 | # Variables needed in config.status (file generation) which aren't already | |
965 | # passed by autoconf. | |
966 | SUBDIRS="$SUBDIRS" | |
967 | ]) | |
968 | ||
969 | AC_OUTPUT |