|
111
|
1 # Process this file with autoconf to produce a configure script.
|
|
145
|
2 # Copyright (C) 1994-2020 Free Software Foundation, Inc.
|
|
111
|
3 # Originally contributed by Dave Love (d.love@dl.ac.uk).
|
|
|
4 #
|
|
|
5 #This file is part of GCC.
|
|
|
6 #
|
|
|
7 #GCC is free software; you can redistribute it and/or modify
|
|
|
8 #it under the terms of the GNU General Public License as published by
|
|
|
9 #the Free Software Foundation; either version 3, or (at your option)
|
|
|
10 #any later version.
|
|
|
11 #
|
|
|
12 #GCC is distributed in the hope that it will be useful,
|
|
|
13 #but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
14 #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
15 #GNU General Public License for more details.
|
|
|
16 #
|
|
|
17 #You should have received a copy of the GNU General Public License
|
|
|
18 #along with GCC; see the file COPYING3. If not see
|
|
|
19 #<http://www.gnu.org/licenses/>.
|
|
|
20
|
|
|
21 AC_INIT(package-unused, version-unused,, libobjc)
|
|
|
22 AC_CONFIG_SRCDIR([objc/objc.h])
|
|
|
23 GCC_TOPLEV_SUBDIRS
|
|
|
24
|
|
|
25 # We need the following definitions because AC_PROG_LIBTOOL relies on them
|
|
|
26 PACKAGE=libobjc
|
|
|
27 # Version is pulled out to make it a bit easier to change using sed.
|
|
|
28 VERSION=4:0:0
|
|
|
29 AC_SUBST(VERSION)
|
|
|
30
|
|
|
31 # This works around the fact that libtool configuration may change LD
|
|
|
32 # for this particular configuration, but some shells, instead of
|
|
|
33 # keeping the changes in LD private, export them just because LD is
|
|
|
34 # exported.
|
|
|
35 ORIGINAL_LD_FOR_MULTILIBS=$LD
|
|
|
36
|
|
|
37 # -------
|
|
|
38 # Options
|
|
|
39 # -------
|
|
|
40
|
|
|
41 # We use these options to decide which functions to include.
|
|
|
42 AC_ARG_WITH(target-subdir,
|
|
|
43 [ --with-target-subdir=SUBDIR
|
|
|
44 configuring in a subdirectory])
|
|
|
45 AC_ARG_WITH(cross-host,
|
|
|
46 [ --with-cross-host=HOST configuring with a cross compiler])
|
|
|
47
|
|
|
48 AC_MSG_CHECKING([for --enable-version-specific-runtime-libs])
|
|
|
49 AC_ARG_ENABLE(version-specific-runtime-libs,
|
|
|
50 [ --enable-version-specific-runtime-libs Specify that runtime libraries should be installed in a compiler-specific directory ],
|
|
|
51 [case "$enableval" in
|
|
|
52 yes) version_specific_libs=yes ;;
|
|
|
53 no) version_specific_libs=no ;;
|
|
|
54 *) AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);;
|
|
|
55 esac],
|
|
|
56 [version_specific_libs=no])
|
|
|
57 AC_MSG_RESULT($version_specific_libs)
|
|
|
58
|
|
|
59 # -----------
|
|
|
60 # Directories
|
|
|
61 # -----------
|
|
|
62
|
|
|
63 # Find the rest of the source tree framework.
|
|
|
64 AM_ENABLE_MULTILIB(, ..)
|
|
|
65
|
|
|
66 AC_CANONICAL_SYSTEM
|
|
|
67 ACX_NONCANONICAL_TARGET
|
|
|
68
|
|
|
69 # Export source directory.
|
|
|
70 # These need to be absolute paths, yet at the same time need to
|
|
|
71 # canonicalize only relative paths, because then amd will not unmount
|
|
|
72 # drives. Thus the use of PWDCMD: set it to 'pawd' or 'amq -w' if using amd.
|
|
|
73 case $srcdir in
|
|
|
74 [\\/$]* | ?:[\\/]*) glibcpp_srcdir=${srcdir} ;;
|
|
|
75 *) glibcpp_srcdir=`cd "$srcdir" && ${PWDCMD-pwd} || echo "$srcdir"` ;;
|
|
|
76 esac
|
|
|
77 AC_SUBST(glibcpp_srcdir)
|
|
|
78
|
|
145
|
79 GCC_WITH_TOOLEXECLIBDIR
|
|
|
80
|
|
111
|
81 # Calculate toolexeclibdir
|
|
|
82 # Also toolexecdir, though it's only used in toolexeclibdir
|
|
|
83 case ${version_specific_libs} in
|
|
|
84 yes)
|
|
|
85 # Need the gcc compiler version to know where to install libraries
|
|
|
86 # and header files if --enable-version-specific-runtime-libs option
|
|
|
87 # is selected.
|
|
|
88 toolexecdir='$(libdir)/gcc/$(target_noncanonical)'
|
|
|
89 toolexeclibdir='$(toolexecdir)/$(gcc_version)$(MULTISUBDIR)'
|
|
|
90 ;;
|
|
|
91 no)
|
|
|
92 if test -n "$with_cross_host" &&
|
|
|
93 test x"$with_cross_host" != x"no"; then
|
|
|
94 # Install a library built with a cross compiler in tooldir, not libdir.
|
|
|
95 toolexecdir='$(exec_prefix)/$(target_noncanonical)'
|
|
145
|
96 case ${with_toolexeclibdir} in
|
|
|
97 no)
|
|
|
98 toolexeclibdir='$(toolexecdir)/lib'
|
|
|
99 ;;
|
|
|
100 *)
|
|
|
101 toolexeclibdir=${with_toolexeclibdir}
|
|
|
102 ;;
|
|
|
103 esac
|
|
111
|
104 else
|
|
|
105 toolexecdir='$(libdir)/gcc-lib/$(target_noncanonical)'
|
|
|
106 toolexeclibdir='$(libdir)'
|
|
|
107 fi
|
|
|
108 multi_os_directory=`$CC -print-multi-os-directory`
|
|
|
109 case $multi_os_directory in
|
|
|
110 .) ;; # Avoid trailing /.
|
|
|
111 *) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;;
|
|
|
112 esac
|
|
|
113 ;;
|
|
|
114 esac
|
|
|
115 AC_SUBST(toolexecdir)
|
|
|
116 AC_SUBST(toolexeclibdir)
|
|
|
117
|
|
|
118 # Figure out if we want to name the include directory and the
|
|
|
119 # library name changes differently.
|
|
|
120 includedirname=include
|
|
|
121 libsuffix=
|
|
|
122 case "${host}" in
|
|
|
123 *-darwin*)
|
|
|
124 # Darwin is the only target so far that needs a different include directory.
|
|
|
125 includedirname=include-gnu-runtime
|
|
|
126 libsuffix=-gnu
|
|
|
127 ;;
|
|
|
128 esac
|
|
|
129 AC_SUBST(includedirname)
|
|
|
130 AC_SUBST(libsuffix)
|
|
|
131
|
|
|
132 AC_CONFIG_HEADERS(config.h)
|
|
|
133
|
|
|
134 # --------
|
|
|
135 # Programs
|
|
|
136 # --------
|
|
|
137
|
|
|
138 GCC_NO_EXECUTABLES
|
|
|
139
|
|
|
140 # We must force CC to /not/ be a precious variable; otherwise
|
|
|
141 # the wrong, non-multilib-adjusted value will be used in multilibs.
|
|
|
142 # As a side effect, we have to subst CFLAGS ourselves.
|
|
|
143 m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])
|
|
|
144 m4_define([_AC_ARG_VAR_PRECIOUS],[])
|
|
|
145 AC_PROG_CC
|
|
|
146 m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
|
|
|
147
|
|
|
148 # extra LD Flags which are required for targets
|
|
|
149 ACX_LT_HOST_FLAGS
|
|
|
150 case "${host}" in
|
|
|
151 *-darwin*)
|
|
|
152 # Darwin needs -single_module when linking libobjc
|
|
|
153 extra_ldflags_libobjc='$(lt_host_flags) -Wl,-single_module'
|
|
|
154 ;;
|
|
|
155 *-cygwin*|*-mingw*)
|
|
|
156 # Tell libtool to build DLLs on Windows
|
|
|
157 extra_ldflags_libobjc='$(lt_host_flags)'
|
|
|
158 ;;
|
|
|
159 esac
|
|
|
160 AC_SUBST(extra_ldflags_libobjc)
|
|
|
161
|
|
131
|
162 # Add CET specific flags if CET is enabled
|
|
|
163 GCC_CET_FLAGS(CET_FLAGS)
|
|
|
164 XCFLAGS="$XCFLAGS $CET_FLAGS"
|
|
|
165
|
|
111
|
166 AC_SUBST(CFLAGS)
|
|
131
|
167 AC_SUBST(XCFLAGS)
|
|
111
|
168
|
|
|
169 AC_CHECK_TOOL(AS, as)
|
|
|
170 AC_CHECK_TOOL(AR, ar)
|
|
|
171 AC_CHECK_TOOL(RANLIB, ranlib, :)
|
|
|
172 AC_PROG_INSTALL
|
|
|
173
|
|
|
174 AM_MAINTAINER_MODE
|
|
|
175
|
|
|
176 # Enable Win32 DLL on MS Windows - FIXME
|
|
|
177 AC_LIBTOOL_WIN32_DLL
|
|
|
178
|
|
|
179 AC_PROG_LIBTOOL
|
|
|
180
|
|
|
181 AM_PROG_CC_C_O
|
|
|
182
|
|
|
183 AC_PROG_MAKE_SET
|
|
|
184
|
|
|
185 # -------
|
|
|
186 # Headers
|
|
|
187 # -------
|
|
|
188
|
|
|
189 # Sanity check for the cross-compilation case:
|
|
|
190 AC_CHECK_HEADER(stdio.h,:,
|
|
|
191 [AC_MSG_ERROR([Can't find stdio.h.
|
|
|
192 You must have a usable C system for the target already installed, at least
|
|
|
193 including headers and, preferably, the library, before you can configure
|
|
|
194 the Objective C runtime system. If necessary, install gcc now with
|
|
|
195 \`LANGUAGES=c', then the target library, then build with \`LANGUAGES=objc'.])])
|
|
|
196
|
|
|
197 AC_HEADER_STDC
|
|
|
198
|
|
|
199 AC_CHECK_HEADERS(sched.h)
|
|
|
200
|
|
|
201 # -----------
|
|
|
202 # Miscellanea
|
|
|
203 # -----------
|
|
|
204
|
|
|
205 # Check if we have thread-local storage
|
|
|
206 GCC_CHECK_TLS
|
|
|
207
|
|
|
208 gt_BITFIELD_TYPE_MATTERS
|
|
|
209
|
|
|
210 # -----------
|
|
|
211 # boehm-gc
|
|
|
212 # -----------
|
|
|
213
|
|
|
214 AC_ARG_ENABLE(objc-gc,
|
|
|
215 [AS_HELP_STRING([--enable-objc-gc],
|
|
|
216 [enable use of Boehm's garbage collector with the
|
|
|
217 GNU Objective-C runtime])],,enable_objc_gc=no)
|
|
|
218 AC_ARG_WITH([target-bdw-gc],
|
|
|
219 [AS_HELP_STRING([--with-target-bdw-gc=PATHLIST],
|
|
|
220 [specify prefix directory for installed bdw-gc package.
|
|
|
221 Equivalent to --with-target-bdw-gc-include=PATH/include
|
|
|
222 plus --with-target-bdw-gc-lib=PATH/lib])])
|
|
|
223 AC_ARG_WITH([target-bdw-gc-include],
|
|
|
224 [AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST],
|
|
|
225 [specify directories for installed bdw-gc include files])])
|
|
|
226 AC_ARG_WITH([target-bdw-gc-lib],
|
|
|
227 [AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST],
|
|
|
228 [specify directories for installed bdw-gc library])])
|
|
|
229
|
|
|
230 case "$enable_objc_gc" in
|
|
|
231 no)
|
|
|
232 use_bdw_gc=no
|
|
|
233 ;;
|
|
|
234 *)
|
|
|
235 AC_MSG_CHECKING([for bdw garbage collector])
|
|
|
236 if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then
|
|
|
237 dnl no bdw-gw options, assuming bdw-gc in default locations
|
|
|
238 BDW_GC_CFLAGS=
|
|
|
239 BDW_GC_LIBS="-lgc"
|
|
|
240 else
|
|
|
241 dnl bdw-gw options passed by configure flags
|
|
|
242 if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then
|
|
|
243 AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing])
|
|
|
244 elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then
|
|
|
245 AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing])
|
|
|
246 else
|
|
|
247 AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options])
|
|
|
248 fi
|
|
|
249 mldir=`${CC-gcc} --print-multi-directory 2>/dev/null`
|
|
|
250 bdw_val=
|
|
|
251 if test "x$with_target_bdw_gc" != x; then
|
|
|
252 for i in `echo $with_target_bdw_gc | tr ',' ' '`; do
|
|
|
253 case "$i" in
|
|
|
254 *=*) sd=${i%%=*}; d=${i#*=} ;;
|
|
|
255 *) sd=.; d=$i ;;
|
|
|
256 esac
|
|
|
257 if test "$mldir" = "$sd"; then
|
|
|
258 bdw_val=$d
|
|
|
259 fi
|
|
|
260 done
|
|
|
261 if test "x$bdw_val" = x; then
|
|
|
262 AC_MSG_ERROR([no multilib path ($mldir) found in --with-target-bdw-gc])
|
|
|
263 fi
|
|
|
264 bdw_inc_dir="$bdw_val/include"
|
|
|
265 bdw_lib_dir="$bdw_val/lib"
|
|
|
266 fi
|
|
|
267 bdw_val=
|
|
|
268 if test "x$with_target_bdw_gc_include" != x; then
|
|
|
269 for i in `echo $with_target_bdw_gc_include | tr ',' ' '`; do
|
|
|
270 case "$i" in
|
|
|
271 *=*) sd=${i%%=*}; d=${i#*=} ;;
|
|
|
272 *) sd=.; d=$i; fallback=$i ;;
|
|
|
273 esac
|
|
|
274 if test "$mldir" = "$sd"; then
|
|
|
275 bdw_val=$d
|
|
|
276 fi
|
|
|
277 done
|
|
|
278 if test "x$bdw_val" = x && test "x$bdw_inc_dir" = x && test "x$fallback" != x; then
|
|
|
279 bdw_inc_dir="$fallback"
|
|
|
280 elif test "x$bdw_val" = x; then
|
|
|
281 AC_MSG_ERROR([no multilib path ($mldir) found in --with-target-bdw-gc-include])
|
|
|
282 else
|
|
|
283 bdw_inc_dir="$bdw_val"
|
|
|
284 fi
|
|
|
285 fi
|
|
|
286 bdw_val=
|
|
|
287 if test "x$with_target_bdw_gc_lib" != x; then
|
|
|
288 for i in `echo $with_target_bdw_gc_lib | tr ',' ' '`; do
|
|
|
289 case "$i" in
|
|
|
290 *=*) sd=${i%%=*}; d=${i#*=} ;;
|
|
|
291 *) sd=.; d=$i ;;
|
|
|
292 esac
|
|
|
293 if test "$mldir" = "$sd"; then
|
|
|
294 bdw_val=$d
|
|
|
295 fi
|
|
|
296 done
|
|
|
297 if test "x$bdw_val" = x; then
|
|
|
298 AC_MSG_ERROR([no multilib path ($mldir) found in --with-target-bdw-gc-lib])
|
|
|
299 fi
|
|
|
300 bdw_lib_dir="$bdw_val"
|
|
|
301 fi
|
|
|
302 if test "x$bdw_inc_dir" = x; then
|
|
|
303 AC_MSG_ERROR([no multilib path ($mldir) found in --with-target-bdw-gc-include])
|
|
|
304 fi
|
|
|
305 if test "x$bdw_lib_dir" = x; then
|
|
|
306 AC_MSG_ERROR([no multilib path ($mldir) found in --with-target-bdw-gc-lib])
|
|
|
307 fi
|
|
|
308 BDW_GC_CFLAGS="-I$bdw_inc_dir"
|
|
|
309 if test -f $bdw_lib_dir/libgc.la; then
|
|
|
310 BDW_GC_LIBS="$bdw_lib_dir/libgc.la"
|
|
|
311 else
|
|
|
312 BDW_GC_LIBS="-L$bdw_lib_dir -lgc"
|
|
|
313 fi
|
|
|
314 AC_MSG_RESULT([found])
|
|
|
315 fi
|
|
|
316
|
|
|
317 case "$BDW_GC_LIBS" in
|
|
|
318 *libgc.la)
|
|
|
319 use_bdw_gc=yes
|
|
|
320 ;;
|
|
|
321 *)
|
|
|
322 AC_MSG_CHECKING([for system boehm-gc])
|
|
|
323 save_CFLAGS=$CFLAGS
|
|
|
324 save_LIBS=$LIBS
|
|
|
325 CFLAGS="$CFLAGS $BDW_GC_CFLAGS"
|
|
|
326 LIBS="$LIBS $BDW_GC_LIBS"
|
|
|
327 dnl the link test is not good enough for ARM32 multilib detection,
|
|
|
328 dnl first check to link, then to run
|
|
|
329 AC_LINK_IFELSE(
|
|
|
330 [AC_LANG_PROGRAM([#include <gc/gc.h>],[GC_init()])],
|
|
|
331 [
|
|
|
332 AC_RUN_IFELSE([AC_LANG_SOURCE([[
|
|
|
333 #include <gc/gc.h>
|
|
|
334 int main() {
|
|
|
335 GC_init();
|
|
|
336 return 0;
|
|
|
337 }
|
|
|
338 ]])],
|
|
|
339 [system_bdw_gc_found=yes],
|
|
|
340 [system_bdw_gc_found=no],
|
|
|
341 dnl assume no system boehm-gc for cross builds ...
|
|
|
342 [system_bdw_gc_found=no]
|
|
|
343 )
|
|
|
344 ],
|
|
|
345 [system_bdw_gc_found=no])
|
|
|
346 CFLAGS=$save_CFLAGS
|
|
|
347 LIBS=$save_LIBS
|
|
|
348 if test x$enable_objc_gc = xauto && test x$system_bdw_gc_found = xno; then
|
|
|
349 AC_MSG_WARN([system bdw-gc not found, not building libobjc_gc])
|
|
|
350 use_bdw_gc=no
|
|
|
351 elif test x$enable_objc_gc = xyes && test x$system_bdw_gc_found = xno; then
|
|
|
352 AC_MSG_ERROR([system bdw-gc required but not found])
|
|
|
353 else
|
|
|
354 use_bdw_gc=yes
|
|
|
355 AC_MSG_RESULT([found])
|
|
|
356 fi
|
|
|
357 esac
|
|
|
358 esac
|
|
|
359
|
|
|
360 if test "$use_bdw_gc" = no; then
|
|
|
361 OBJC_GCFLAGS=''
|
|
|
362 OBJC_BOEHM_GC=''
|
|
|
363 OBJC_BOEHM_GC_INCLUDES=''
|
|
|
364 OBJC_BOEHM_GC_LIBS=''
|
|
|
365 else
|
|
|
366 OBJC_GCFLAGS='-DOBJC_WITH_GC=1'
|
|
|
367 OBJC_BOEHM_GC='libobjc_gc$(libsuffix).la'
|
|
|
368 OBJC_BOEHM_GC_INCLUDES=$BDW_GC_CFLAGS
|
|
|
369 OBJC_BOEHM_GC_LIBS=$BDW_GC_LIBS
|
|
|
370 fi
|
|
|
371 AC_SUBST(OBJC_GCFLAGS)
|
|
|
372 AC_SUBST(OBJC_BOEHM_GC)
|
|
|
373 AC_SUBST(OBJC_BOEHM_GC_INCLUDES)
|
|
|
374 AC_SUBST(OBJC_BOEHM_GC_LIBS)
|
|
|
375
|
|
|
376 # Determine what GCC version number to use in filesystem paths.
|
|
|
377 GCC_BASE_VER
|
|
|
378
|
|
|
379 # ------
|
|
|
380 # Output
|
|
|
381 # ------
|
|
|
382
|
|
|
383 if test ${multilib} = yes; then
|
|
|
384 multilib_arg="--enable-multilib"
|
|
|
385 else
|
|
|
386 multilib_arg=
|
|
|
387 fi
|
|
|
388
|
|
|
389 AC_CONFIG_FILES([Makefile])
|
|
|
390 AC_OUTPUT
|
