|
111
|
1 # Process this file with autoreconf to produce a configure script.
|
|
|
2
|
|
|
3 AC_INIT(package-unused, version-unused,, libstdc++)
|
|
|
4 AC_CONFIG_SRCDIR(src/shared/hashtable-aux.cc)
|
|
|
5 AC_CONFIG_HEADER(config.h)
|
|
|
6
|
|
|
7 # This works around the fact that libtool configuration may change LD
|
|
|
8 # for this particular configuration, but some shells, instead of
|
|
|
9 # keeping the changes in LD private, export them just because LD is
|
|
|
10 # exported. Only used at the end of this file.
|
|
|
11 ### am handles this now? ORIGINAL_LD_FOR_MULTILIBS=$LD
|
|
|
12
|
|
|
13 # Find the rest of the source tree framework.
|
|
|
14 AM_ENABLE_MULTILIB(, ..)
|
|
|
15
|
|
|
16 # Gets build, host, target, *_vendor, *_cpu, *_os, etc.
|
|
|
17 #
|
|
|
18 # You will slowly go insane if you do not grok the following fact: when
|
|
|
19 # building v3 as part of the compiler, the top-level /target/ becomes the
|
|
|
20 # library's /host/. configure then causes --target to default to --host,
|
|
|
21 # exactly like any other package using autoconf. Therefore, 'target' and
|
|
|
22 # 'host' will always be the same. This makes sense both for native and
|
|
|
23 # cross compilers, just think about it for a little while. :-)
|
|
|
24 #
|
|
|
25 # Also, if v3 is being configured as part of a cross compiler, the top-level
|
|
|
26 # configure script will pass the "real" host as $with_cross_host.
|
|
|
27 #
|
|
|
28 # Do not delete or change the following two lines. For why, see
|
|
|
29 # http://gcc.gnu.org/ml/libstdc++/2003-07/msg00451.html
|
|
|
30 AC_CANONICAL_SYSTEM
|
|
|
31 target_alias=${target_alias-$host_alias}
|
|
|
32
|
|
|
33 # Handy for debugging:
|
|
|
34 #AC_MSG_NOTICE($build / $host / $target / $host_alias / $target_alias); sleep 5
|
|
|
35
|
|
|
36 if test "$build" != "$host"; then
|
|
|
37 # We are being configured with some form of cross compiler.
|
|
|
38 GLIBCXX_IS_NATIVE=false
|
|
|
39 case "$host","$target" in
|
|
|
40 # Darwin crosses can use the host system's libraries and headers,
|
|
|
41 # because of the fat library support. Of course, it must be the
|
|
|
42 # same version of Darwin on both sides. Allow the user to
|
|
|
43 # just say --target=foo-darwin without a version number to mean
|
|
|
44 # "the version on this system".
|
|
|
45 *-*-darwin*,*-*-darwin*)
|
|
|
46 hostos=`echo $host | sed 's/.*-darwin/darwin/'`
|
|
|
47 targetos=`echo $target | sed 's/.*-darwin/darwin/'`
|
|
|
48 if test $hostos = $targetos -o $targetos = darwin ; then
|
|
|
49 GLIBCXX_IS_NATIVE=true
|
|
|
50 fi
|
|
|
51 ;;
|
|
|
52
|
|
|
53 *)
|
|
|
54 GCC_NO_EXECUTABLES
|
|
|
55 ;;
|
|
|
56 esac
|
|
|
57 else
|
|
|
58 GLIBCXX_IS_NATIVE=true
|
|
|
59 fi
|
|
|
60
|
|
|
61 # Sets up automake. Must come after AC_CANONICAL_SYSTEM. Each of the
|
|
|
62 # following is magically included in AUTOMAKE_OPTIONS in each Makefile.am.
|
|
|
63 # 1.x: minimum required version
|
|
|
64 # no-define: PACKAGE and VERSION will not be #define'd in config.h (a bunch
|
|
|
65 # of other PACKAGE_* variables will, however, and there's nothing
|
|
|
66 # we can do about that; they come from AC_INIT).
|
|
|
67 # foreign: we don't follow the normal rules for GNU packages (no COPYING
|
|
|
68 # file in the top srcdir, etc, etc), so stop complaining.
|
|
|
69 # no-dependencies: turns off auto dependency generation (just for now)
|
|
|
70 # no-dist: we don't want 'dist' and related rules.
|
|
|
71 # -Wall: turns on all automake warnings...
|
|
|
72 # -Wno-portability: ...except this one, since GNU make is now required.
|
|
|
73 AM_INIT_AUTOMAKE([1.9.3 no-define foreign no-dependencies no-dist -Wall -Wno-portability -Wno-override])
|
|
|
74 AH_TEMPLATE(PACKAGE, [Name of package])
|
|
|
75 AH_TEMPLATE(VERSION, [Version number of package])
|
|
|
76
|
|
|
77 # -fno-builtin must be present here so that a non-conflicting form of
|
|
|
78 # std::exit can be guessed by AC_PROG_CXX, and used in later tests.
|
|
|
79
|
|
|
80 save_CXXFLAGS="$CXXFLAGS"
|
|
|
81 CXXFLAGS="$CXXFLAGS -fno-builtin"
|
|
|
82 AC_PROG_CC
|
|
|
83 AC_PROG_CXX
|
|
|
84 CXXFLAGS="$save_CXXFLAGS"
|
|
|
85
|
|
145
|
86 AC_SYS_LARGEFILE
|
|
|
87
|
|
111
|
88 # Runs configure.host, and assorted other critical bits. Sets
|
|
|
89 # up critical shell variables.
|
|
|
90 GLIBCXX_CONFIGURE
|
|
|
91
|
|
|
92 # Libtool setup.
|
|
|
93 if test "x${with_newlib}" != "xyes"; then
|
|
|
94 AC_LIBTOOL_DLOPEN
|
|
|
95 fi
|
|
|
96 AM_PROG_LIBTOOL
|
|
|
97 ACX_LT_HOST_FLAGS
|
|
|
98 AC_SUBST(enable_shared)
|
|
|
99 AC_SUBST(enable_static)
|
|
|
100
|
|
|
101 if test "$enable_vtable_verify" = yes; then
|
|
|
102 predep_objects_CXX="${predep_objects_CXX} ${glibcxx_builddir}/../libgcc/vtv_start.o"
|
|
|
103 postdep_objects_CXX="${postdep_objects_CXX} ${glibcxx_builddir}/../libgcc/vtv_end.o"
|
|
|
104 fi
|
|
|
105
|
|
|
106
|
|
|
107 # libtool variables for C++ shared and position-independent compiles.
|
|
|
108 #
|
|
|
109 # Use glibcxx_lt_pic_flag to designate the automake variable
|
|
|
110 # used to encapsulate the default libtool approach to creating objects
|
|
|
111 # with position-independent code. Default: -prefer-pic.
|
|
|
112 #
|
|
|
113 # Use glibcxx_compiler_shared_flag to designate a compile-time flags for
|
|
|
114 # creating shared objects. Default: -D_GLIBCXX_SHARED.
|
|
|
115 #
|
|
|
116 # Use glibcxx_compiler_pic_flag to designate a compile-time flags for
|
|
|
117 # creating position-independent objects. This varies with the target
|
|
|
118 # hardware and operating system, but is often: -DPIC -fPIC.
|
|
|
119 if test "$enable_shared" = yes; then
|
|
|
120 glibcxx_lt_pic_flag="-prefer-pic"
|
|
|
121 glibcxx_compiler_pic_flag="$lt_prog_compiler_pic_CXX"
|
|
|
122 glibcxx_compiler_shared_flag="-D_GLIBCXX_SHARED"
|
|
|
123
|
|
|
124 else
|
|
|
125 glibcxx_lt_pic_flag=
|
|
|
126 glibcxx_compiler_pic_flag=
|
|
|
127 glibcxx_compiler_shared_flag=
|
|
|
128 fi
|
|
|
129 AC_SUBST(glibcxx_lt_pic_flag)
|
|
|
130 AC_SUBST(glibcxx_compiler_pic_flag)
|
|
|
131 AC_SUBST(glibcxx_compiler_shared_flag)
|
|
|
132
|
|
|
133 # Override the libtool's pic_flag and pic_mode.
|
|
|
134 # Do this step after AM_PROG_LIBTOOL, but before AC_OUTPUT.
|
|
|
135 # NB: this impacts --with-pic and --without-pic.
|
|
|
136 lt_prog_compiler_pic_CXX="$glibcxx_compiler_pic_flag $glibcxx_compiler_shared_flag"
|
|
|
137 pic_mode='default'
|
|
|
138
|
|
|
139 # Eliminate -lstdc++ addition to postdeps for cross compiles.
|
|
|
140 postdeps_CXX=`echo " $postdeps_CXX " | sed 's, -lstdc++ ,,g'`
|
|
|
141
|
|
|
142 # Possibly disable most of the library.
|
|
|
143 ## TODO: Consider skipping unncessary tests altogether in this case, rather
|
|
|
144 ## than just ignoring the results. Faster /and/ more correct, win win.
|
|
|
145 GLIBCXX_ENABLE_HOSTED
|
|
|
146
|
|
|
147 # Enable descriptive messages to standard output on termination.
|
|
|
148 GLIBCXX_ENABLE_VERBOSE
|
|
|
149
|
|
|
150 # Enable compiler support that doesn't require linking.
|
|
|
151 GLIBCXX_ENABLE_PCH($is_hosted)
|
|
|
152 GLIBCXX_ENABLE_THREADS
|
|
|
153 GLIBCXX_ENABLE_ATOMIC_BUILTINS
|
|
145
|
154 GLIBCXX_ENABLE_LOCK_POLICY
|
|
111
|
155 GLIBCXX_ENABLE_DECIMAL_FLOAT
|
|
|
156 GLIBCXX_ENABLE_INT128_FLOAT128
|
|
|
157 if test "$enable_float128" = yes; then
|
|
|
158 port_specific_symbol_files="$port_specific_symbol_files \$(top_srcdir)/config/abi/pre/float128.ver"
|
|
|
159 fi
|
|
|
160
|
|
|
161 # Checks for compiler support that doesn't require linking.
|
|
|
162 GLIBCXX_CHECK_COMPILER_FEATURES
|
|
|
163
|
|
|
164 # Enable all the variable C++ runtime options that don't require linking.
|
|
|
165 GLIBCXX_ENABLE_CSTDIO
|
|
|
166 GLIBCXX_ENABLE_CLOCALE
|
|
|
167 GLIBCXX_ENABLE_ALLOCATOR
|
|
|
168 GLIBCXX_ENABLE_CHEADERS($c_model) dnl c_model from configure.host
|
|
|
169 GLIBCXX_ENABLE_LONG_LONG([yes])
|
|
|
170 GLIBCXX_ENABLE_WCHAR_T([yes])
|
|
|
171 GLIBCXX_ENABLE_C99([yes])
|
|
|
172 GLIBCXX_ENABLE_CONCEPT_CHECKS([no])
|
|
131
|
173 GLIBCXX_ENABLE_DEBUG_FLAGS(["-gdwarf-4 -g3 -O0 -D_GLIBCXX_ASSERTIONS"])
|
|
111
|
174 GLIBCXX_ENABLE_DEBUG([no])
|
|
|
175 GLIBCXX_ENABLE_PARALLEL([yes])
|
|
|
176 GLIBCXX_ENABLE_CXX_FLAGS
|
|
|
177 GLIBCXX_ENABLE_FULLY_DYNAMIC_STRING([no])
|
|
|
178 GLIBCXX_ENABLE_EXTERN_TEMPLATE([yes])
|
|
|
179 GLIBCXX_ENABLE_PYTHON
|
|
131
|
180 GLIBCXX_ENABLE_WERROR([no])
|
|
111
|
181 GLIBCXX_ENABLE_VTABLE_VERIFY([no])
|
|
|
182
|
|
|
183 # Checks for operating systems support that doesn't require linking.
|
|
|
184 GLIBCXX_CHECK_STDIO_PROTO
|
|
|
185 GLIBCXX_CHECK_MATH11_PROTO
|
|
|
186 GLIBCXX_CHECK_SYSTEM_ERROR
|
|
|
187 GLIBCXX_CHECK_UCHAR_H
|
|
|
188
|
|
|
189 # For the streamoff typedef.
|
|
|
190 GLIBCXX_CHECK_INT64_T
|
|
|
191
|
|
|
192 # For LFS support.
|
|
|
193 GLIBCXX_CHECK_LFS
|
|
|
194
|
|
|
195 # For showmanyc_helper().
|
|
|
196 AC_CHECK_HEADERS(sys/ioctl.h sys/filio.h)
|
|
|
197 GLIBCXX_CHECK_POLL
|
|
|
198 GLIBCXX_CHECK_S_ISREG_OR_S_IFREG
|
|
|
199
|
|
|
200 # For xsputn_2().
|
|
|
201 AC_CHECK_HEADERS(sys/uio.h)
|
|
|
202 GLIBCXX_CHECK_WRITEV
|
|
|
203
|
|
|
204 # Check for fenv.h and complex.h before GLIBCXX_CHECK_C99_TR1
|
|
|
205 # so that the check is done with the C compiler (not C++).
|
|
|
206 # Checking with C++ can break a canadian cross build if either
|
|
|
207 # file does not exist in C but does in C++.
|
|
|
208 AC_CHECK_HEADERS(fenv.h complex.h)
|
|
|
209
|
|
|
210 # For C99 support to TR1.
|
|
|
211 GLIBCXX_CHECK_C99_TR1
|
|
|
212
|
|
|
213 # For the EOF, SEEK_CUR, and SEEK_END integer constants.
|
|
|
214 GLIBCXX_COMPUTE_STDIO_INTEGER_CONSTANTS
|
|
|
215
|
|
|
216 # For gettimeofday support.
|
|
|
217 GLIBCXX_CHECK_GETTIMEOFDAY
|
|
|
218
|
|
|
219 # For clock_gettime, nanosleep and sched_yield support.
|
|
|
220 GLIBCXX_ENABLE_LIBSTDCXX_TIME
|
|
|
221
|
|
|
222 # Check for tmpnam which is obsolescent in POSIX.1-2008
|
|
|
223 GLIBCXX_CHECK_TMPNAM
|
|
|
224
|
|
145
|
225 # For pthread_cond_clockwait
|
|
|
226 GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT
|
|
|
227
|
|
|
228 # For pthread_mutex_clocklock
|
|
|
229 GLIBCXX_CHECK_PTHREAD_MUTEX_CLOCKLOCK
|
|
|
230
|
|
|
231 # For pthread_rwlock_clockrdlock and pthread_rwlock_clockwrlock
|
|
|
232 GLIBCXX_CHECK_PTHREAD_RWLOCK_CLOCKLOCK
|
|
|
233
|
|
111
|
234 AC_LC_MESSAGES
|
|
|
235
|
|
|
236 # For hardware_concurrency
|
|
|
237 AC_CHECK_HEADERS(sys/sysinfo.h)
|
|
|
238 GLIBCXX_CHECK_GET_NPROCS
|
|
|
239 AC_CHECK_HEADERS(unistd.h)
|
|
|
240 GLIBCXX_CHECK_SC_NPROCESSORS_ONLN
|
|
|
241 GLIBCXX_CHECK_SC_NPROC_ONLN
|
|
|
242 GLIBCXX_CHECK_PTHREADS_NUM_PROCESSORS_NP
|
|
|
243 GLIBCXX_CHECK_SYSCTL_HW_NCPU
|
|
|
244 GLIBCXX_CHECK_SDT_H
|
|
|
245
|
|
|
246 # Check for available headers.
|
|
|
247 AC_CHECK_HEADERS([endian.h execinfo.h float.h fp.h ieeefp.h inttypes.h \
|
|
|
248 locale.h machine/endian.h machine/param.h nan.h stdint.h stdlib.h string.h \
|
|
|
249 strings.h sys/ipc.h sys/isa_defs.h sys/machine.h sys/param.h \
|
|
|
250 sys/resource.h sys/sem.h sys/stat.h sys/time.h sys/types.h unistd.h \
|
|
131
|
251 wchar.h wctype.h linux/types.h])
|
|
|
252
|
|
|
253 AC_CHECK_HEADERS([linux/random.h], [], [],
|
|
|
254 [[#ifdef HAVE_LINUX_TYPES_H
|
|
|
255 # include <linux/types.h>
|
|
|
256 #endif
|
|
|
257 ]])
|
|
111
|
258
|
|
|
259 # Only do link tests if native. Else, hardcode.
|
|
|
260 if $GLIBCXX_IS_NATIVE; then
|
|
|
261
|
|
|
262 # We can do more elaborate tests that assume a working linker.
|
|
|
263 CANADIAN=no
|
|
|
264
|
|
|
265 GLIBCXX_CHECK_LINKER_FEATURES
|
|
|
266 GLIBCXX_CHECK_MATH_SUPPORT
|
|
|
267 GLIBCXX_CHECK_STDLIB_SUPPORT
|
|
|
268
|
|
131
|
269 # For /dev/random and /dev/urandom for std::random_device.
|
|
|
270 GLIBCXX_CHECK_DEV_RANDOM
|
|
111
|
271
|
|
|
272 # For TLS support.
|
|
|
273 GCC_CHECK_TLS
|
|
|
274
|
|
|
275 AC_CHECK_FUNCS(__cxa_thread_atexit_impl __cxa_thread_atexit)
|
|
|
276 AC_CHECK_FUNCS(aligned_alloc posix_memalign memalign _aligned_malloc)
|
|
131
|
277 AC_CHECK_FUNCS(_wfopen)
|
|
111
|
278
|
|
145
|
279 # C11 functions for C++17 library
|
|
|
280 AC_CHECK_FUNCS(timespec_get)
|
|
|
281
|
|
|
282 # For Networking TS.
|
|
|
283 AC_CHECK_FUNCS(sockatmark)
|
|
|
284
|
|
111
|
285 # For iconv support.
|
|
|
286 AM_ICONV
|
|
|
287
|
|
|
288 else
|
|
|
289
|
|
|
290 # This lets us hard-code the functionality we know we'll have in the cross
|
|
|
291 # target environment. "Let" is a sugar-coated word placed on an especially
|
|
|
292 # dull and tedious hack, actually.
|
|
|
293 #
|
|
|
294 # Here's why GLIBCXX_CHECK_MATH_SUPPORT, and other autoconf macros
|
|
|
295 # that involve linking, can't be used:
|
|
|
296 # "cannot open sim-crt0.o"
|
|
|
297 # "cannot open crt0.o"
|
|
|
298 # etc. All this is because there currently exists no unified, consistent
|
|
|
299 # way for top level CC information to be passed down to target directories:
|
|
|
300 # newlib includes, newlib linking info, libgloss versus newlib crt0.o, etc.
|
|
|
301 # When all of that is done, all of this hokey, excessive AC_DEFINE junk for
|
|
|
302 # crosses can be removed.
|
|
|
303
|
|
|
304 # If Canadian cross, then don't pick up tools from the build directory.
|
|
|
305 # Used only in GLIBCXX_EXPORT_INCLUDES.
|
|
|
306 if test -n "$with_cross_host" &&
|
|
|
307 test x"$build_alias" != x"$with_cross_host" &&
|
|
|
308 test x"$build" != x"$target";
|
|
|
309 then
|
|
|
310 CANADIAN=yes
|
|
|
311 else
|
|
|
312 CANADIAN=no
|
|
|
313 fi
|
|
|
314
|
|
|
315 # Construct crosses by hand, eliminating bits that need ld...
|
|
|
316 # GLIBCXX_CHECK_MATH_SUPPORT
|
|
|
317
|
|
|
318 # First, test for "known" system libraries. We may be using newlib even
|
|
|
319 # on a hosted environment.
|
|
|
320 if test "x${with_newlib}" = "xyes"; then
|
|
|
321 os_include_dir="os/newlib"
|
|
|
322 AC_DEFINE(HAVE_HYPOT)
|
|
|
323
|
|
|
324 # GLIBCXX_CHECK_STDLIB_SUPPORT
|
|
|
325 AC_DEFINE(HAVE_STRTOF)
|
|
|
326
|
|
|
327 AC_DEFINE(HAVE_ACOSF)
|
|
|
328 AC_DEFINE(HAVE_ASINF)
|
|
|
329 AC_DEFINE(HAVE_ATAN2F)
|
|
|
330 AC_DEFINE(HAVE_ATANF)
|
|
|
331 AC_DEFINE(HAVE_CEILF)
|
|
|
332 AC_DEFINE(HAVE_COSF)
|
|
|
333 AC_DEFINE(HAVE_COSHF)
|
|
|
334 AC_DEFINE(HAVE_EXPF)
|
|
|
335 AC_DEFINE(HAVE_FABSF)
|
|
|
336 AC_DEFINE(HAVE_FLOORF)
|
|
|
337 AC_DEFINE(HAVE_FMODF)
|
|
|
338 AC_DEFINE(HAVE_FREXPF)
|
|
|
339 AC_DEFINE(HAVE_LDEXPF)
|
|
|
340 AC_DEFINE(HAVE_LOG10F)
|
|
|
341 AC_DEFINE(HAVE_LOGF)
|
|
|
342 AC_DEFINE(HAVE_MODFF)
|
|
|
343 AC_DEFINE(HAVE_POWF)
|
|
|
344 AC_DEFINE(HAVE_SINF)
|
|
|
345 AC_DEFINE(HAVE_SINHF)
|
|
|
346 AC_DEFINE(HAVE_SQRTF)
|
|
|
347 AC_DEFINE(HAVE_TANF)
|
|
|
348 AC_DEFINE(HAVE_TANHF)
|
|
|
349
|
|
|
350 AC_DEFINE(HAVE_ICONV)
|
|
|
351 AC_DEFINE(HAVE_MEMALIGN)
|
|
|
352 else
|
|
|
353 GLIBCXX_CROSSCONFIG
|
|
|
354 fi
|
|
|
355
|
|
|
356 # At some point, we should differentiate between architectures
|
|
|
357 # like x86, which have long double versions, and alpha/powerpc/etc.,
|
|
|
358 # which don't. For the time being, punt.
|
|
|
359 if test x"long_double_math_on_this_cpu" = x"yes"; then
|
|
|
360 AC_DEFINE(HAVE_ACOSL)
|
|
|
361 AC_DEFINE(HAVE_ASINL)
|
|
|
362 AC_DEFINE(HAVE_ATAN2L)
|
|
|
363 AC_DEFINE(HAVE_ATANL)
|
|
|
364 AC_DEFINE(HAVE_CEILL)
|
|
|
365 AC_DEFINE(HAVE_COSL)
|
|
|
366 AC_DEFINE(HAVE_COSHL)
|
|
|
367 AC_DEFINE(HAVE_EXPL)
|
|
|
368 AC_DEFINE(HAVE_FABSL)
|
|
|
369 AC_DEFINE(HAVE_FLOORL)
|
|
|
370 AC_DEFINE(HAVE_FMODL)
|
|
|
371 AC_DEFINE(HAVE_FREXPL)
|
|
|
372 AC_DEFINE(HAVE_LDEXPL)
|
|
|
373 AC_DEFINE(HAVE_LOG10L)
|
|
|
374 AC_DEFINE(HAVE_LOGL)
|
|
|
375 AC_DEFINE(HAVE_MODFL)
|
|
|
376 AC_DEFINE(HAVE_POWL)
|
|
|
377 AC_DEFINE(HAVE_SINCOSL)
|
|
|
378 AC_DEFINE(HAVE_SINL)
|
|
|
379 AC_DEFINE(HAVE_SINHL)
|
|
|
380 AC_DEFINE(HAVE_SQRTL)
|
|
|
381 AC_DEFINE(HAVE_TANL)
|
|
|
382 AC_DEFINE(HAVE_TANHL)
|
|
|
383 fi
|
|
|
384 fi
|
|
|
385
|
|
|
386 # Check for _Unwind_GetIPInfo.
|
|
|
387 GCC_CHECK_UNWIND_GETIPINFO
|
|
|
388
|
|
|
389 GCC_LINUX_FUTEX([AC_DEFINE(HAVE_LINUX_FUTEX, 1, [Define if futex syscall is available.])])
|
|
|
390
|
|
|
391 GCC_HEADER_STDINT(include/gstdint.h)
|
|
|
392
|
|
|
393 GLIBCXX_ENABLE_SYMVERS([yes])
|
|
|
394 AC_SUBST(libtool_VERSION)
|
|
|
395
|
|
|
396 GLIBCXX_ENABLE_LIBSTDCXX_VISIBILITY([yes])
|
|
|
397
|
|
|
398 GLIBCXX_ENABLE_LIBSTDCXX_DUAL_ABI([yes])
|
|
|
399 GLIBCXX_DEFAULT_ABI
|
|
|
400
|
|
|
401 ac_ldbl_compat=no
|
|
|
402 LONG_DOUBLE_COMPAT_FLAGS="-mlong-double-64"
|
|
|
403 case "$target" in
|
|
|
404 powerpc*-*-linux* | \
|
|
|
405 sparc*-*-linux* | \
|
|
|
406 s390*-*-linux* | \
|
|
|
407 alpha*-*-linux*)
|
|
|
408 AC_TRY_COMPILE(, [
|
|
|
409 #if !defined __LONG_DOUBLE_128__ || (defined(__sparc__) && defined(__arch64__))
|
|
|
410 #error no need for long double compatibility
|
|
|
411 #endif
|
|
|
412 ], [ac_ldbl_compat=yes], [ac_ldbl_compat=no])
|
|
|
413 if test "$ac_ldbl_compat" = yes; then
|
|
|
414 AC_DEFINE([_GLIBCXX_LONG_DOUBLE_COMPAT],1,
|
|
|
415 [Define if compatibility should be provided for -mlong-double-64.])
|
|
|
416 port_specific_symbol_files="\$(top_srcdir)/config/os/gnu-linux/ldbl-extra.ver"
|
|
|
417 case "$target" in
|
|
|
418 powerpc*-*-linux*)
|
|
|
419 LONG_DOUBLE_COMPAT_FLAGS="$LONG_DOUBLE_COMPAT_FLAGS -mno-gnu-attribute" ;;
|
|
|
420 esac
|
|
|
421 fi
|
|
|
422 esac
|
|
|
423 AC_SUBST(LONG_DOUBLE_COMPAT_FLAGS)
|
|
|
424 GLIBCXX_CONDITIONAL(GLIBCXX_LDBL_COMPAT, test $ac_ldbl_compat = yes)
|
|
|
425
|
|
|
426 # Check if assembler supports disabling hardware capability support.
|
|
|
427 GCC_CHECK_ASSEMBLER_HWCAP
|
|
|
428
|
|
|
429 # Check if assembler supports rdrand opcode.
|
|
|
430 GLIBCXX_CHECK_X86_RDRAND
|
|
145
|
431 # Check if assembler supports rdseed opcode.
|
|
|
432 GLIBCXX_CHECK_X86_RDSEED
|
|
111
|
433
|
|
|
434 # This depends on GLIBCXX_ENABLE_SYMVERS and GLIBCXX_IS_NATIVE.
|
|
|
435 GLIBCXX_CONFIGURE_TESTSUITE
|
|
|
436
|
|
|
437 # For gthread support. Depends on GLIBCXX_ENABLE_SYMVERS.
|
|
|
438 GLIBCXX_CHECK_GTHREADS
|
|
|
439
|
|
|
440 # For Filesystem TS.
|
|
|
441 AC_CHECK_HEADERS([fcntl.h dirent.h sys/statvfs.h utime.h])
|
|
|
442 GLIBCXX_ENABLE_FILESYSTEM_TS
|
|
|
443 GLIBCXX_CHECK_FILESYSTEM_DEPS
|
|
|
444
|
|
131
|
445 # For Networking TS.
|
|
|
446 AC_CHECK_HEADERS([fcntl.h sys/ioctl.h sys/socket.h sys/uio.h poll.h netdb.h arpa/inet.h netinet/in.h netinet/tcp.h])
|
|
|
447
|
|
111
|
448 # For Transactional Memory TS
|
|
|
449 GLIBCXX_CHECK_SIZE_T_MANGLING
|
|
|
450
|
|
|
451 # Check which release added std::exception_ptr for the target
|
|
|
452 GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER
|
|
|
453
|
|
|
454 # Define documentation rules conditionally.
|
|
|
455
|
|
|
456 # See if makeinfo has been installed and is modern enough
|
|
|
457 # that we can use it.
|
|
|
458 ACX_CHECK_PROG_VER([MAKEINFO], [makeinfo], [--version],
|
|
|
459 [GNU texinfo.* \([0-9][0-9.]*\)],
|
|
|
460 [4.[4-9]*|4.[1-9][0-9]*|[5-9]*|[1-9][0-9]*])
|
|
|
461 AM_CONDITIONAL(BUILD_INFO, test $gcc_cv_prog_makeinfo_modern = "yes")
|
|
|
462
|
|
|
463 # Check for doxygen
|
|
|
464 AC_CHECK_PROG([DOXYGEN], doxygen, yes, no)
|
|
|
465 AC_CHECK_PROG([DOT], dot, yes, no)
|
|
|
466
|
|
|
467 # Check for docbook
|
|
145
|
468 AC_CHECK_PROG([XMLCATALOG], xmlcatalog, yes, no)
|
|
111
|
469 AC_CHECK_PROG([XSLTPROC], xsltproc, yes, no)
|
|
|
470 AC_CHECK_PROG([XMLLINT], xmllint, yes, no)
|
|
|
471 GLIBCXX_CONFIGURE_DOCBOOK
|
|
|
472
|
|
|
473 # Check for xml/html dependencies.
|
|
|
474 AM_CONDITIONAL(BUILD_XML,
|
|
|
475 test $ac_cv_prog_DOXYGEN = "yes" &&
|
|
|
476 test $ac_cv_prog_DOT = "yes" &&
|
|
|
477 test $ac_cv_prog_XSLTPROC = "yes" &&
|
|
|
478 test $ac_cv_prog_XMLLINT = "yes" &&
|
|
|
479 test $glibcxx_stylesheets = "yes")
|
|
|
480
|
|
|
481 AM_CONDITIONAL(BUILD_HTML,
|
|
|
482 test $ac_cv_prog_DOXYGEN = "yes" &&
|
|
|
483 test $ac_cv_prog_DOT = "yes" &&
|
|
|
484 test $ac_cv_prog_XSLTPROC = "yes" &&
|
|
|
485 test $ac_cv_prog_XMLLINT = "yes" &&
|
|
|
486 test $glibcxx_stylesheets = "yes")
|
|
|
487
|
|
|
488 # Check for man dependencies.
|
|
|
489 AM_CONDITIONAL(BUILD_MAN,
|
|
|
490 test $ac_cv_prog_DOXYGEN = "yes" &&
|
|
|
491 test $ac_cv_prog_DOT = "yes")
|
|
|
492
|
|
|
493 # Check for pdf dependencies.
|
|
|
494 AC_CHECK_PROG([DBLATEX], dblatex, yes, no)
|
|
|
495 AC_CHECK_PROG([PDFLATEX], pdflatex, yes, no)
|
|
|
496 AM_CONDITIONAL(BUILD_PDF,
|
|
145
|
497 test $ac_cv_prog_DOXYGEN = "yes" &&
|
|
|
498 test $ac_cv_prog_DOT = "yes" &&
|
|
|
499 test $ac_cv_prog_XSLTPROC = "yes" &&
|
|
|
500 test $ac_cv_prog_XMLLINT = "yes" &&
|
|
111
|
501 test $ac_cv_prog_DBLATEX = "yes" &&
|
|
|
502 test $ac_cv_prog_PDFLATEX = "yes")
|
|
|
503
|
|
131
|
504 case "$build" in
|
|
|
505 *-*-darwin* ) glibcxx_include_dir_notparallel=yes ;;
|
|
|
506 * ) glibcxx_include_dir_notparallel=no ;;
|
|
|
507 esac
|
|
|
508 AM_CONDITIONAL(INCLUDE_DIR_NOTPARALLEL,
|
|
|
509 test $glibcxx_include_dir_notparallel = "yes")
|
|
111
|
510
|
|
|
511 # Propagate the target-specific source directories through the build chain.
|
|
|
512 ATOMICITY_SRCDIR=config/${atomicity_dir}
|
|
|
513 ATOMIC_WORD_SRCDIR=config/${atomic_word_dir}
|
|
|
514 ATOMIC_FLAGS=${atomic_flags}
|
|
|
515 CPU_DEFINES_SRCDIR=config/${cpu_defines_dir}
|
|
|
516 OS_INC_SRCDIR=config/${os_include_dir}
|
|
|
517 ERROR_CONSTANTS_SRCDIR=config/${error_constants_dir}
|
|
|
518 ABI_TWEAKS_SRCDIR=config/${abi_tweaks_dir}
|
|
|
519 CPU_OPT_EXT_RANDOM=config/${cpu_opt_ext_random}
|
|
|
520 CPU_OPT_BITS_RANDOM=config/${cpu_opt_bits_random}
|
|
|
521 AC_SUBST(ATOMICITY_SRCDIR)
|
|
|
522 AC_SUBST(ATOMIC_WORD_SRCDIR)
|
|
|
523 AC_SUBST(ATOMIC_FLAGS)
|
|
|
524 AC_SUBST(CPU_DEFINES_SRCDIR)
|
|
|
525 AC_SUBST(ABI_TWEAKS_SRCDIR)
|
|
|
526 AC_SUBST(OS_INC_SRCDIR)
|
|
|
527 AC_SUBST(ERROR_CONSTANTS_SRCDIR)
|
|
|
528 AC_SUBST(CPU_OPT_EXT_RANDOM)
|
|
|
529 AC_SUBST(CPU_OPT_BITS_RANDOM)
|
|
|
530
|
|
|
531
|
|
131
|
532 # Add CET specific flags if Intel CET is enabled.
|
|
|
533 GCC_CET_FLAGS(CET_FLAGS)
|
|
|
534 EXTRA_CXX_FLAGS="$EXTRA_CXX_FLAGS $CET_FLAGS"
|
|
|
535 EXTRA_CFLAGS="$EXTRA_CFLAGS $CET_FLAGS"
|
|
|
536 AC_SUBST(EXTRA_CFLAGS)
|
|
|
537 AC_SUBST(EXTRA_CXX_FLAGS)
|
|
|
538
|
|
111
|
539 # Determine cross-compile flags and AM_CONDITIONALs.
|
|
|
540 #AC_SUBST(GLIBCXX_IS_NATIVE)
|
|
|
541 #AM_CONDITIONAL(CANADIAN, test $CANADIAN = yes)
|
|
|
542 GLIBCXX_EVALUATE_CONDITIONALS
|
|
|
543
|
|
|
544 AC_CACHE_SAVE
|
|
|
545
|
|
|
546 if test ${multilib} = yes; then
|
|
|
547 multilib_arg="--enable-multilib"
|
|
|
548 else
|
|
|
549 multilib_arg=
|
|
|
550 fi
|
|
|
551
|
|
|
552 # Export all the install information.
|
|
|
553 GLIBCXX_EXPORT_INSTALL_INFO
|
|
|
554
|
|
|
555 # Export all the include and flag information to Makefiles.
|
|
|
556 GLIBCXX_EXPORT_INCLUDES
|
|
|
557 GLIBCXX_EXPORT_FLAGS
|
|
|
558
|
|
|
559 # Determine what GCC version number to use in filesystem paths.
|
|
|
560 GCC_BASE_VER
|
|
|
561
|
|
|
562 dnl In autoconf 2.5x, AC_OUTPUT is replaced by four AC_CONFIG_* macros,
|
|
|
563 dnl which can all be called multiple times as needed, plus one (different)
|
|
|
564 dnl AC_OUTPUT macro. This one lists the files to be created:
|
|
|
565 AC_CONFIG_FILES(Makefile)
|
|
|
566 AC_CONFIG_FILES([scripts/testsuite_flags],[chmod +x scripts/testsuite_flags])
|
|
|
567 AC_CONFIG_FILES([scripts/extract_symvers],[chmod +x scripts/extract_symvers])
|
|
|
568 AC_CONFIG_FILES([doc/xsl/customization.xsl])
|
|
|
569
|
|
|
570 # Multilibs need MULTISUBDIR defined correctly in certain makefiles so
|
|
|
571 # that multilib installs will end up installed in the correct place.
|
|
|
572 # The testsuite needs it for multilib-aware ABI baseline files.
|
|
|
573 # To work around this not being passed down from config-ml.in ->
|
|
|
574 # srcdir/Makefile.am -> srcdir/{src,libsupc++,...}/Makefile.am, manually
|
|
|
575 # append it here. Only modify Makefiles that have just been created.
|
|
|
576 #
|
|
|
577 # Also, get rid of this simulated-VPATH thing that automake does.
|
|
|
578 AC_CONFIG_FILES(AC_FOREACH([DIR], glibcxx_SUBDIRS, [DIR/Makefile ]),
|
|
|
579 [cat > vpsed$$ << \_EOF
|
|
|
580 s!`test -f '$<' || echo '$(srcdir)/'`!!
|
|
|
581 _EOF
|
|
|
582 sed -f vpsed$$ $ac_file > tmp$$
|
|
|
583 mv tmp$$ $ac_file
|
|
|
584 rm vpsed$$
|
|
|
585 echo 'MULTISUBDIR =' >> $ac_file
|
|
|
586 ml_norecursion=yes
|
|
|
587 . ${multi_basedir}/config-ml.in
|
|
|
588 AS_UNSET([ml_norecursion])
|
|
|
589 ])
|
|
|
590
|
|
|
591 AC_CONFIG_COMMANDS([generate-headers],
|
|
|
592 [(cd include && ${MAKE-make} pch_build= )])
|
|
|
593
|
|
|
594 dnl And this actually makes things happen:
|
|
|
595 AC_OUTPUT
|
