1 #
2 # Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
3 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 #
5 # This code is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License version 2 only, as
7 # published by the Free Software Foundation. Oracle designates this
8 # particular file as subject to the "Classpath" exception as provided
9 # by Oracle in the LICENSE file that accompanied this code.
10 #
11 # This code is distributed in the hope that it will be useful, but WITHOUT
12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 # version 2 for more details (a copy is included in the LICENSE file that
15 # accompanied this code).
16 #
17 # You should have received a copy of the GNU General Public License version
18 # 2 along with this work; if not, write to the Free Software Foundation,
19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 #
21 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 # or visit www.oracle.com if you need additional information or have any
23 # questions.
24 #
25
26 ########################################################################
27 # This file is responsible for detecting, verifying and setting up the
28 # toolchain, i.e. the compiler, linker and related utilities. It will setup
29 # proper paths to the binaries, but it will not setup any flags.
30 #
31 # The binaries used is determined by the toolchain type, which is the family of
32 # compilers and related tools that are used.
33 ########################################################################
34
35
36 # All valid toolchains, regardless of platform (used by help.m4)
37 VALID_TOOLCHAINS_all="gcc clang solstudio xlc microsoft"
38
39 # These toolchains are valid on different platforms
40 VALID_TOOLCHAINS_linux="gcc clang"
41 VALID_TOOLCHAINS_solaris="solstudio"
42 VALID_TOOLCHAINS_macosx="gcc clang"
43 VALID_TOOLCHAINS_aix="xlc"
44 VALID_TOOLCHAINS_windows="microsoft"
45
46 # Toolchain descriptions
47 TOOLCHAIN_DESCRIPTION_clang="clang/LLVM"
48 TOOLCHAIN_DESCRIPTION_gcc="GNU Compiler Collection"
49 TOOLCHAIN_DESCRIPTION_microsoft="Microsoft Visual Studio"
50 TOOLCHAIN_DESCRIPTION_solstudio="Oracle Solaris Studio"
51 TOOLCHAIN_DESCRIPTION_xlc="IBM XL C/C++"
52
53 # Minimum supported versions, empty means unspecified
54 TOOLCHAIN_MINIMUM_VERSION_clang="3.2"
55 TOOLCHAIN_MINIMUM_VERSION_gcc="4.3"
56 TOOLCHAIN_MINIMUM_VERSION_microsoft=""
57 TOOLCHAIN_MINIMUM_VERSION_solstudio="5.13"
58 TOOLCHAIN_MINIMUM_VERSION_xlc=""
59
60 # Prepare the system so that TOOLCHAIN_CHECK_COMPILER_VERSION can be called.
61 # Must have CC_VERSION_NUMBER and CXX_VERSION_NUMBER.
62 # $1 - optional variable prefix for compiler and version variables (BUILD_)
63 # $2 - optional variable prefix for comparable variable (OPENJDK_BUILD_)
64 AC_DEFUN([TOOLCHAIN_PREPARE_FOR_VERSION_COMPARISONS],
65 [
66 if test "x[$]$1CC_VERSION_NUMBER" != "x[$]$1CXX_VERSION_NUMBER"; then
67 AC_MSG_WARN([C and C++ compiler have different version numbers, [$]$1CC_VERSION_NUMBER vs [$]$1CXX_VERSION_NUMBER.])
68 AC_MSG_WARN([This typically indicates a broken setup, and is not supported])
69 fi
70
71 # We only check CC_VERSION_NUMBER since we assume CXX_VERSION_NUMBER is equal.
72 if [ [[ "[$]$1CC_VERSION_NUMBER" =~ (.*\.){3} ]] ]; then
73 AC_MSG_WARN([C compiler version number has more than three parts (X.Y.Z): [$]$1CC_VERSION_NUMBER. Comparisons might be wrong.])
74 fi
75
76 if [ [[ "[$]$1CC_VERSION_NUMBER" =~ [0-9]{6} ]] ]; then
77 AC_MSG_WARN([C compiler version number has a part larger than 99999: [$]$1CC_VERSION_NUMBER. Comparisons might be wrong.])
78 fi
79
80 $2COMPARABLE_ACTUAL_VERSION=`$AWK -F. '{ printf("%05d%05d%05d\n", [$]1, [$]2, [$]3) }' <<< "[$]$1CC_VERSION_NUMBER"`
81 ])
82
83 # Check if the configured compiler (C and C++) is of a specific version or
84 # newer. TOOLCHAIN_PREPARE_FOR_VERSION_COMPARISONS must have been called before.
85 #
86 # Arguments:
87 # VERSION: The version string to check against the found version
88 # IF_AT_LEAST: block to run if the compiler is at least this version (>=)
89 # IF_OLDER_THAN: block to run if the compiler is older than this version (<)
90 # PREFIX: Optional variable prefix for compiler to compare version for (OPENJDK_BUILD_)
91 BASIC_DEFUN_NAMED([TOOLCHAIN_CHECK_COMPILER_VERSION],
92 [*VERSION PREFIX IF_AT_LEAST IF_OLDER_THAN], [$@],
93 [
94 # Need to assign to a variable since m4 is blocked from modifying parts in [].
95 REFERENCE_VERSION=ARG_VERSION
96
97 if [ [[ "$REFERENCE_VERSION" =~ (.*\.){3} ]] ]; then
98 AC_MSG_ERROR([Internal error: Cannot compare to ARG_VERSION, only three parts (X.Y.Z) is supported])
99 fi
100
101 if [ [[ "$REFERENCE_VERSION" =~ [0-9]{6} ]] ]; then
102 AC_MSG_ERROR([Internal error: Cannot compare to ARG_VERSION, only parts < 99999 is supported])
103 fi
104
105 # Version comparison method inspired by http://stackoverflow.com/a/24067243
106 COMPARABLE_REFERENCE_VERSION=`$AWK -F. '{ printf("%05d%05d%05d\n", [$]1, [$]2, [$]3) }' <<< "$REFERENCE_VERSION"`
107
108 if test [$]ARG_PREFIX[COMPARABLE_ACTUAL_VERSION] -ge $COMPARABLE_REFERENCE_VERSION ; then
109 :
110 ARG_IF_AT_LEAST
111 else
112 :
113 ARG_IF_OLDER_THAN
114 fi
115 ])
116
117 # Setup a number of variables describing how native output files are
118 # named on this platform/toolchain.
119 AC_DEFUN([TOOLCHAIN_SETUP_FILENAME_PATTERNS],
120 [
121 # Define filename patterns
122 if test "x$OPENJDK_TARGET_OS" = xwindows; then
123 LIBRARY_PREFIX=
124 SHARED_LIBRARY_SUFFIX='.dll'
125 STATIC_LIBRARY_SUFFIX='.lib'
126 SHARED_LIBRARY='[$]1.dll'
127 STATIC_LIBRARY='[$]1.lib'
128 OBJ_SUFFIX='.obj'
129 EXE_SUFFIX='.exe'
130 else
131 LIBRARY_PREFIX=lib
132 SHARED_LIBRARY_SUFFIX='.so'
133 STATIC_LIBRARY_SUFFIX='.a'
134 SHARED_LIBRARY='lib[$]1.so'
135 STATIC_LIBRARY='lib[$]1.a'
136 BUILD_SHARED_LIBRARY_SUFFIX='.so'
137 BUILD_SHARED_LIBRARY='lib[$]1.so'
138 OBJ_SUFFIX='.o'
139 EXE_SUFFIX=''
140 if test "x$OPENJDK_TARGET_OS" = "xmacosx" || test "x$OPENJDK_TARGET_OS" = "xios" ; then
141 # For full static builds, we're overloading the SHARED_LIBRARY
142 # variables in order to limit the amount of changes required.
143 # It would be better to remove SHARED and just use LIBRARY and
144 # LIBRARY_SUFFIX for libraries that can be built either
145 # shared or static and use STATIC_* for libraries that are
146 # always built statically.
147 BUILD_SHARED_LIBRARY='lib[$]1.dylib'
148 BUILD_SHARED_LIBRARY_SUFFIX='.dylib'
149 if test "x$STATIC_BUILD" = xtrue; then
150 SHARED_LIBRARY='lib[$]1.a'
151 SHARED_LIBRARY_SUFFIX='.a'
152 else
153 SHARED_LIBRARY='lib[$]1.dylib'
154 SHARED_LIBRARY_SUFFIX='.dylib'
155 fi
156 fi
157 fi
158
159 AC_SUBST(LIBRARY_PREFIX)
160 AC_SUBST(SHARED_LIBRARY_SUFFIX)
161 AC_SUBST(STATIC_LIBRARY_SUFFIX)
162 AC_SUBST(SHARED_LIBRARY)
163 AC_SUBST(BUILD_SHARED_LIBRARY_SUFFIX)
164 AC_SUBST(BUILD_SHARED_LIBRARY)
165 AC_SUBST(STATIC_LIBRARY)
166 AC_SUBST(OBJ_SUFFIX)
167 AC_SUBST(EXE_SUFFIX)
168 ])
169
170 # Determine which toolchain type to use, and make sure it is valid for this
171 # platform. Setup various information about the selected toolchain.
172 AC_DEFUN_ONCE([TOOLCHAIN_DETERMINE_TOOLCHAIN_TYPE],
173 [
174 AC_ARG_WITH(toolchain-type, [AS_HELP_STRING([--with-toolchain-type],
175 [the toolchain type (or family) to use, use '--help' to show possible values @<:@platform dependent@:>@])])
176
177 # Use indirect variable referencing
178 toolchain_var_name=VALID_TOOLCHAINS_$OPENJDK_BUILD_OS
179 VALID_TOOLCHAINS=${!toolchain_var_name}
180
181 if test "x$OPENJDK_TARGET_OS" = "xmacosx" || test "x$OPENJDK_TARGET_OS" = "xios" ; then
182 if test -n "$XCODEBUILD"; then
183 TOOLCHAIN_NAME="xcode"
184 # On Mac OS X, default toolchain to clang after Xcode 5
185 XCODE_VERSION_OUTPUT=`"$XCODEBUILD" -version 2>&1 | $HEAD -n 1`
186 $ECHO "$XCODE_VERSION_OUTPUT" | $GREP "Xcode " > /dev/null
187 if test $? -ne 0; then
188 AC_MSG_ERROR([Failed to determine Xcode version.])
189 fi
190 XCODE_MAJOR_VERSION=`$ECHO $XCODE_VERSION_OUTPUT | \
191 $SED -e 's/^Xcode \(@<:@1-9@:>@@<:@0-9.@:>@*\)/\1/' | \
192 $CUT -f 1 -d .`
193 AC_MSG_NOTICE([Xcode major version: $XCODE_MAJOR_VERSION])
194 if test $XCODE_MAJOR_VERSION -ge 5; then
195 DEFAULT_TOOLCHAIN="clang"
196 else
197 DEFAULT_TOOLCHAIN="gcc"
198 fi
199 else
200 # If Xcode is not installed, but the command line tools are
201 # then we can't run xcodebuild. On these systems we should
202 # default to clang
203 DEFAULT_TOOLCHAIN="clang"
204 fi
205 else
206 # First toolchain type in the list is the default
207 DEFAULT_TOOLCHAIN=${VALID_TOOLCHAINS%% *}
208 fi
209
210 if test "x$with_toolchain_type" = xlist; then
211 # List all toolchains
212 AC_MSG_NOTICE([The following toolchains are valid on this platform:])
213 for toolchain in $VALID_TOOLCHAINS; do
214 toolchain_var_name=TOOLCHAIN_DESCRIPTION_$toolchain
215 TOOLCHAIN_DESCRIPTION=${!toolchain_var_name}
216 $PRINTF " %-10s %s\n" $toolchain "$TOOLCHAIN_DESCRIPTION"
217 done
218
219 exit 0
220 elif test "x$with_toolchain_type" != x; then
221 # User override; check that it is valid
222 if test "x${VALID_TOOLCHAINS/$with_toolchain_type/}" = "x${VALID_TOOLCHAINS}"; then
223 AC_MSG_NOTICE([Toolchain type $with_toolchain_type is not valid on this platform.])
224 AC_MSG_NOTICE([Valid toolchains: $VALID_TOOLCHAINS.])
225 AC_MSG_ERROR([Cannot continue.])
226 fi
227 TOOLCHAIN_TYPE=$with_toolchain_type
228 else
229 # No flag given, use default
230 TOOLCHAIN_TYPE=$DEFAULT_TOOLCHAIN
231 fi
232 AC_SUBST(TOOLCHAIN_TYPE)
233 AC_SUBST(TOOLCHAIN_NAME)
234
235 TOOLCHAIN_CC_BINARY_clang="clang"
236 TOOLCHAIN_CC_BINARY_gcc="gcc"
237 TOOLCHAIN_CC_BINARY_microsoft="cl"
238 TOOLCHAIN_CC_BINARY_solstudio="cc"
239 TOOLCHAIN_CC_BINARY_xlc="xlc_r"
240
241 TOOLCHAIN_CXX_BINARY_clang="clang++"
242 TOOLCHAIN_CXX_BINARY_gcc="g++"
243 TOOLCHAIN_CXX_BINARY_microsoft="cl"
244 TOOLCHAIN_CXX_BINARY_solstudio="CC"
245 TOOLCHAIN_CXX_BINARY_xlc="xlC_r"
246
247 # Use indirect variable referencing
248 toolchain_var_name=TOOLCHAIN_DESCRIPTION_$TOOLCHAIN_TYPE
249 TOOLCHAIN_DESCRIPTION=${!toolchain_var_name}
250 toolchain_var_name=TOOLCHAIN_MINIMUM_VERSION_$TOOLCHAIN_TYPE
251 TOOLCHAIN_MINIMUM_VERSION=${!toolchain_var_name}
252 toolchain_var_name=TOOLCHAIN_CC_BINARY_$TOOLCHAIN_TYPE
253 TOOLCHAIN_CC_BINARY=${!toolchain_var_name}
254 toolchain_var_name=TOOLCHAIN_CXX_BINARY_$TOOLCHAIN_TYPE
255 TOOLCHAIN_CXX_BINARY=${!toolchain_var_name}
256
257 TOOLCHAIN_SETUP_FILENAME_PATTERNS
258
259 if test "x$TOOLCHAIN_TYPE" = "x$DEFAULT_TOOLCHAIN"; then
260 AC_MSG_NOTICE([Using default toolchain $TOOLCHAIN_TYPE ($TOOLCHAIN_DESCRIPTION)])
261 else
262 AC_MSG_NOTICE([Using user selected toolchain $TOOLCHAIN_TYPE ($TOOLCHAIN_DESCRIPTION). Default toolchain is $DEFAULT_TOOLCHAIN.])
263 fi
264 ])
265
266 # Before we start detecting the toolchain executables, we might need some
267 # special setup, e.g. additional paths etc.
268 AC_DEFUN_ONCE([TOOLCHAIN_PRE_DETECTION],
269 [
270 # FIXME: Is this needed?
271 AC_LANG(C++)
272
273 # Store the CFLAGS etc passed to the configure script.
274 ORG_CFLAGS="$CFLAGS"
275 ORG_CXXFLAGS="$CXXFLAGS"
276
277 # autoconf magic only relies on PATH, so update it if tools dir is specified
278 OLD_PATH="$PATH"
279
280 # On Windows, we need to detect the visual studio installation first.
281 # This will change the PATH, but we need to keep that new PATH even
282 # after toolchain detection is done, since the compiler (on x86) uses
283 # it for DLL resolution in runtime.
284 if test "x$OPENJDK_BUILD_OS" = "xwindows" \
285 && test "x$TOOLCHAIN_TYPE" = "xmicrosoft"; then
286 TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV
287 # Reset path to VS_PATH. It will include everything that was on PATH at the time we
288 # ran TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV.
289 PATH="$VS_PATH"
290 # The microsoft toolchain also requires INCLUDE and LIB to be set.
291 export INCLUDE="$VS_INCLUDE"
292 export LIB="$VS_LIB"
293 else
294 if test "x$XCODE_VERSION_OUTPUT" != x; then
295 # For Xcode, we set the Xcode version as TOOLCHAIN_VERSION
296 TOOLCHAIN_VERSION=`$ECHO $XCODE_VERSION_OUTPUT | $CUT -f 2 -d ' '`
297 TOOLCHAIN_DESCRIPTION="$TOOLCHAIN_DESCRIPTION from Xcode"
298 else
299 # Currently we do not define this for other toolchains. This might change as the need arise.
300 TOOLCHAIN_VERSION=
301 fi
302 fi
303 AC_SUBST(TOOLCHAIN_VERSION)
304
305 # For solaris we really need solaris tools, and not the GNU equivalent.
306 # The build tools on Solaris reside in /usr/ccs (C Compilation System),
307 # so add that to path before starting to probe.
308 # FIXME: This was originally only done for AS,NM,GNM,STRIP,OBJCOPY,OBJDUMP.
309 if test "x$OPENJDK_BUILD_OS" = xsolaris; then
310 PATH="/usr/ccs/bin:$PATH"
311 fi
312
313 # Finally add TOOLCHAIN_PATH at the beginning, to allow --with-tools-dir to
314 # override all other locations.
315 if test "x$TOOLCHAIN_PATH" != x; then
316 PATH=$TOOLCHAIN_PATH:$PATH
317 fi
318 ])
319
320 # Restore path, etc
321 AC_DEFUN_ONCE([TOOLCHAIN_POST_DETECTION],
322 [
323 # Restore old path, except for the microsoft toolchain, which requires VS_PATH
324 # to remain in place. Otherwise the compiler will not work in some siutations
325 # in later configure checks.
326 if test "x$TOOLCHAIN_TYPE" != "xmicrosoft"; then
327 PATH="$OLD_PATH"
328 fi
329
330 # Restore the flags to the user specified values.
331 # This is necessary since AC_PROG_CC defaults CFLAGS to "-g -O2"
332 CFLAGS="$ORG_CFLAGS"
333 CXXFLAGS="$ORG_CXXFLAGS"
334 ])
335
336 # Check if a compiler is of the toolchain type we expect, and save the version
337 # information from it. If the compiler does not match the expected type,
338 # this function will abort using AC_MSG_ERROR. If it matches, the version will
339 # be stored in CC_VERSION_NUMBER/CXX_VERSION_NUMBER (as a dotted number), and
340 # the full version string in CC_VERSION_STRING/CXX_VERSION_STRING.
341 #
342 # $1 = compiler to test (CC or CXX)
343 # $2 = human readable name of compiler (C or C++)
344 AC_DEFUN([TOOLCHAIN_EXTRACT_COMPILER_VERSION],
345 [
346 COMPILER=[$]$1
347 COMPILER_NAME=$2
348
349 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
350 # cc -V output typically looks like
351 # cc: Sun C 5.12 Linux_i386 2011/11/16
352 COMPILER_VERSION_OUTPUT=`$COMPILER -V 2>&1`
353 # Check that this is likely to be the Solaris Studio cc.
354 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "^.*: Sun $COMPILER_NAME" > /dev/null
355 if test $? -ne 0; then
356 ALT_VERSION_OUTPUT=`$COMPILER --version 2>&1`
357 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.])
358 AC_MSG_NOTICE([The result from running with -V was: "$COMPILER_VERSION_OUTPUT"])
359 AC_MSG_NOTICE([The result from running with --version was: "$ALT_VERSION_OUTPUT"])
360 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.])
361 fi
362 # Remove usage instructions (if present), and
363 # collapse compiler output into a single line
364 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT | \
365 $SED -e 's/ *@<:@Uu@:>@sage:.*//'`
366 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
367 $SED -e "s/^.*@<:@ ,\t@:>@$COMPILER_NAME@<:@ ,\t@:>@\(@<:@1-9@:>@\.@<:@0-9@:>@@<:@0-9@:>@*\).*/\1/"`
368 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
369 # xlc -qversion output typically looks like
370 # IBM XL C/C++ for AIX, V11.1 (5724-X13)
371 # Version: 11.01.0000.0015
372 COMPILER_VERSION_OUTPUT=`$COMPILER -qversion 2>&1`
373 # Check that this is likely to be the IBM XL C compiler.
374 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "IBM XL C" > /dev/null
375 if test $? -ne 0; then
376 ALT_VERSION_OUTPUT=`$COMPILER --version 2>&1`
377 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.])
378 AC_MSG_NOTICE([The result from running with -qversion was: "$COMPILER_VERSION_OUTPUT"])
379 AC_MSG_NOTICE([The result from running with --version was: "$ALT_VERSION_OUTPUT"])
380 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.])
381 fi
382 # Collapse compiler output into a single line
383 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT`
384 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
385 $SED -e 's/^.*, V\(@<:@1-9@:>@@<:@0-9.@:>@*\).*$/\1/'`
386 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
387 # There is no specific version flag, but all output starts with a version string.
388 # First line typically looks something like:
389 # Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 16.00.40219.01 for 80x86
390 COMPILER_VERSION_OUTPUT=`$COMPILER 2>&1 | $HEAD -n 1 | $TR -d '\r'`
391 # Check that this is likely to be Microsoft CL.EXE.
392 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "Microsoft.*Compiler" > /dev/null
393 if test $? -ne 0; then
394 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.])
395 AC_MSG_NOTICE([The result from running it was: "$COMPILER_VERSION_OUTPUT"])
396 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.])
397 fi
398 # Collapse compiler output into a single line
399 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT`
400 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
401 $SED -e 's/^.*ersion.\(@<:@1-9@:>@@<:@0-9.@:>@*\) .*$/\1/'`
402 elif test "x$TOOLCHAIN_TYPE" = xgcc; then
403 # gcc --version output typically looks like
404 # gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1
405 # Copyright (C) 2013 Free Software Foundation, Inc.
406 # This is free software; see the source for copying conditions. There is NO
407 # warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
408 COMPILER_VERSION_OUTPUT=`$COMPILER --version 2>&1`
409 # Check that this is likely to be GCC.
410 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "Free Software Foundation" > /dev/null
411 if test $? -ne 0; then
412 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.])
413 AC_MSG_NOTICE([The result from running with --version was: "$COMPILER_VERSION"])
414 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.])
415 fi
416 # Remove Copyright and legalese from version string, and
417 # collapse into a single line
418 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT | \
419 $SED -e 's/ *Copyright .*//'`
420 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
421 $SED -e 's/^.* \(@<:@1-9@:>@\.@<:@0-9.@:>@*\)@<:@^0-9.@:>@.*$/\1/'`
422 elif test "x$TOOLCHAIN_TYPE" = xclang; then
423 # clang --version output typically looks like
424 # Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
425 # clang version 3.3 (tags/RELEASE_33/final)
426 # or
427 # Debian clang version 3.2-7ubuntu1 (tags/RELEASE_32/final) (based on LLVM 3.2)
428 # Target: x86_64-pc-linux-gnu
429 # Thread model: posix
430 COMPILER_VERSION_OUTPUT=`$COMPILER --version 2>&1`
431 # Check that this is likely to be clang
432 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "clang" > /dev/null
433 if test $? -ne 0; then
434 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.])
435 AC_MSG_NOTICE([The result from running with --version was: "$COMPILER_VERSION_OUTPUT"])
436 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.])
437 fi
438 # Collapse compiler output into a single line
439 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT`
440 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
441 $SED -e 's/^.* version \(@<:@1-9@:>@@<:@0-9.@:>@*\).*$/\1/'`
442 else
443 AC_MSG_ERROR([Unknown toolchain type $TOOLCHAIN_TYPE.])
444 fi
445 # This sets CC_VERSION_NUMBER or CXX_VERSION_NUMBER. (This comment is a grep marker)
446 $1_VERSION_NUMBER="$COMPILER_VERSION_NUMBER"
447 # This sets CC_VERSION_STRING or CXX_VERSION_STRING. (This comment is a grep marker)
448 $1_VERSION_STRING="$COMPILER_VERSION_STRING"
449
450 AC_MSG_NOTICE([Using $TOOLCHAIN_TYPE $COMPILER_NAME compiler version $COMPILER_VERSION_NUMBER @<:@$COMPILER_VERSION_STRING@:>@])
451 ])
452
453 # Try to locate the given C or C++ compiler in the path, or otherwise.
454 #
455 # $1 = compiler to test (CC or CXX)
456 # $2 = human readable name of compiler (C or C++)
457 # $3 = list of compiler names to search for
458 AC_DEFUN([TOOLCHAIN_FIND_COMPILER],
459 [
460 COMPILER_NAME=$2
461 SEARCH_LIST="$3"
462
463 if test "x[$]$1" != x; then
464 # User has supplied compiler name already, always let that override.
465 AC_MSG_NOTICE([Will use user supplied compiler $1=[$]$1])
466 if test "x`basename [$]$1`" = "x[$]$1"; then
467 # A command without a complete path is provided, search $PATH.
468
469 AC_PATH_PROGS(POTENTIAL_$1, [$]$1)
470 if test "x$POTENTIAL_$1" != x; then
471 $1=$POTENTIAL_$1
472 else
473 AC_MSG_ERROR([User supplied compiler $1=[$]$1 could not be found])
474 fi
475 else
476 # Otherwise it might already be a complete path
477 if test ! -x "[$]$1"; then
478 AC_MSG_ERROR([User supplied compiler $1=[$]$1 does not exist])
479 fi
480 fi
481 else
482 # No user supplied value. Locate compiler ourselves.
483
484 # If we are cross compiling, assume cross compilation tools follows the
485 # cross compilation standard where they are prefixed with the autoconf
486 # standard name for the target. For example the binary
487 # i686-sun-solaris2.10-gcc will cross compile for i686-sun-solaris2.10.
488 # If we are not cross compiling, then the default compiler name will be
489 # used.
490
491 $1=
492 # If TOOLCHAIN_PATH is set, check for all compiler names in there first
493 # before checking the rest of the PATH.
494 # FIXME: Now that we prefix the TOOLS_DIR to the PATH in the PRE_DETECTION
495 # step, this should not be necessary.
496 if test -n "$TOOLCHAIN_PATH"; then
497 PATH_save="$PATH"
498 PATH="$TOOLCHAIN_PATH"
499 AC_PATH_PROGS(TOOLCHAIN_PATH_$1, $SEARCH_LIST)
500 $1=$TOOLCHAIN_PATH_$1
501 PATH="$PATH_save"
502 fi
503
504 # AC_PATH_PROGS can't be run multiple times with the same variable,
505 # so create a new name for this run.
506 if test "x[$]$1" = x; then
507 AC_PATH_PROGS(POTENTIAL_$1, $SEARCH_LIST)
508 $1=$POTENTIAL_$1
509 fi
510
511 if test "x[$]$1" = x; then
512 HELP_MSG_MISSING_DEPENDENCY([devkit])
513 AC_MSG_ERROR([Could not find a $COMPILER_NAME compiler. $HELP_MSG])
514 fi
515 fi
516
517 # Now we have a compiler binary in $1. Make sure it's okay.
518 BASIC_FIXUP_EXECUTABLE($1)
519 TEST_COMPILER="[$]$1"
520
521 AC_MSG_CHECKING([resolved symbolic links for $1])
522 SYMLINK_ORIGINAL="$TEST_COMPILER"
523 BASIC_REMOVE_SYMBOLIC_LINKS(SYMLINK_ORIGINAL)
524 if test "x$TEST_COMPILER" = "x$SYMLINK_ORIGINAL"; then
525 AC_MSG_RESULT([no symlink])
526 else
527 AC_MSG_RESULT([$SYMLINK_ORIGINAL])
528
529 # We can't handle ccache by gcc wrappers, since we need to know if we're
530 # using ccache. Instead ccache usage must be controlled by a configure option.
531 COMPILER_BASENAME=`$BASENAME "$SYMLINK_ORIGINAL"`
532 if test "x$COMPILER_BASENAME" = "xccache"; then
533 AC_MSG_NOTICE([Please use --enable-ccache instead of providing a wrapped compiler.])
534 AC_MSG_ERROR([$TEST_COMPILER is a symbolic link to ccache. This is not supported.])
535 fi
536 fi
537
538 TOOLCHAIN_EXTRACT_COMPILER_VERSION([$1], [$COMPILER_NAME])
539 ])
540
541 # Detect the core components of the toolchain, i.e. the compilers (CC and CXX),
542 # preprocessor (CPP and CXXCPP), the linker (LD), the assembler (AS) and the
543 # archiver (AR). Verify that the compilers are correct according to the
544 # toolchain type.
545 AC_DEFUN_ONCE([TOOLCHAIN_DETECT_TOOLCHAIN_CORE],
546 [
547 #
548 # Setup the compilers (CC and CXX)
549 #
550 TOOLCHAIN_FIND_COMPILER([CC], [C], $TOOLCHAIN_CC_BINARY)
551 # Now that we have resolved CC ourself, let autoconf have its go at it
552 AC_PROG_CC([$CC])
553
554 TOOLCHAIN_FIND_COMPILER([CXX], [C++], $TOOLCHAIN_CXX_BINARY)
555 # Now that we have resolved CXX ourself, let autoconf have its go at it
556 AC_PROG_CXX([$CXX])
557
558 # This is the compiler version number on the form X.Y[.Z]
559 AC_SUBST(CC_VERSION_NUMBER)
560 AC_SUBST(CXX_VERSION_NUMBER)
561
562 TOOLCHAIN_PREPARE_FOR_VERSION_COMPARISONS
563
564 if test "x$TOOLCHAIN_MINIMUM_VERSION" != x; then
565 TOOLCHAIN_CHECK_COMPILER_VERSION(VERSION: $TOOLCHAIN_MINIMUM_VERSION,
566 IF_OLDER_THAN: [
567 AC_MSG_WARN([You are using $TOOLCHAIN_TYPE older than $TOOLCHAIN_MINIMUM_VERSION. This is not a supported configuration.])
568 ]
569 )
570 fi
571
572 #
573 # Setup the preprocessor (CPP and CXXCPP)
574 #
575 AC_PROG_CPP
576 BASIC_FIXUP_EXECUTABLE(CPP)
577 AC_PROG_CXXCPP
578 BASIC_FIXUP_EXECUTABLE(CXXCPP)
579
580 #
581 # Setup the linker (LD)
582 #
583 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
584 # In the Microsoft toolchain we have a separate LD command "link".
585 # Make sure we reject /usr/bin/link (as determined in CYGWIN_LINK), which is
586 # a cygwin program for something completely different.
587 AC_CHECK_PROG([LD], [link],[link],,, [$CYGWIN_LINK])
588 BASIC_FIXUP_EXECUTABLE(LD)
589 # Verify that we indeed succeeded with this trick.
590 AC_MSG_CHECKING([if the found link.exe is actually the Visual Studio linker])
591 "$LD" --version > /dev/null
592 if test $? -eq 0 ; then
593 AC_MSG_RESULT([no])
594 AC_MSG_ERROR([This is the Cygwin link tool. Please check your PATH and rerun configure.])
595 else
596 AC_MSG_RESULT([yes])
597 fi
598 LDCXX="$LD"
599 else
600 # All other toolchains use the compiler to link.
601 LD="$CC"
602 LDCXX="$CXX"
603 fi
604 AC_SUBST(LD)
605 # FIXME: it should be CXXLD, according to standard (cf CXXCPP)
606 AC_SUBST(LDCXX)
607
608 #
609 # Setup the assembler (AS)
610 #
611 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
612 BASIC_PATH_PROGS(AS, as)
613 BASIC_FIXUP_EXECUTABLE(AS)
614 if test "x$AS" = x; then
615 AC_MSG_ERROR([Solaris assembler (as) is required. Please install via "pkg install pkg:/developer/assembler".])
616 fi
617 else
618 # FIXME: is this correct for microsoft?
619 AS="$CC -c"
620 fi
621 AC_SUBST(AS)
622
623 #
624 # Setup the archiver (AR)
625 #
626 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
627 # The corresponding ar tool is lib.exe (used to create static libraries)
628 AC_CHECK_PROG([AR], [lib],[lib],,,)
629 elif test "x$TOOLCHAIN_TYPE" = xgcc; then
630 BASIC_CHECK_TOOLS(AR, ar gcc-ar)
631 else
632 BASIC_CHECK_TOOLS(AR, ar)
633 fi
634 BASIC_FIXUP_EXECUTABLE(AR)
635 ])
636
637 # Setup additional tools that is considered a part of the toolchain, but not the
638 # core part. Many of these are highly platform-specific and do not exist,
639 # and/or are not needed on all platforms.
640 AC_DEFUN_ONCE([TOOLCHAIN_DETECT_TOOLCHAIN_EXTRA],
641 [
642 if test "x$OPENJDK_TARGET_OS" = "xmacosx" || test "x$OPENJDK_TARGET_OS" = "xios"; then
643 BASIC_PATH_PROGS(LIPO, lipo)
644 BASIC_FIXUP_EXECUTABLE(LIPO)
645 fi
646
647 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
648 AC_CHECK_PROG([MT], [mt], [mt],,, [/usr/bin/mt])
649 BASIC_FIXUP_EXECUTABLE(MT)
650 # Setup the resource compiler (RC)
651 AC_CHECK_PROG([RC], [rc], [rc],,, [/usr/bin/rc])
652 BASIC_FIXUP_EXECUTABLE(RC)
653 AC_CHECK_PROG([DUMPBIN], [dumpbin], [dumpbin],,,)
654 BASIC_FIXUP_EXECUTABLE(DUMPBIN)
655 # We need to check for 'msbuild.exe' because at the place where we expect to
656 # find 'msbuild.exe' there's also a directory called 'msbuild' and configure
657 # won't find the 'msbuild.exe' executable in that case (and the
658 # 'ac_executable_extensions' is unusable due to performance reasons).
659 # Notice that we intentionally don't fix up the path to MSBUILD because we
660 # will call it in a DOS shell during freetype detection on Windows (see
661 # 'LIB_SETUP_FREETYPE' in "libraries.m4"
662 AC_CHECK_PROG([MSBUILD], [msbuild.exe], [msbuild.exe],,,)
663 fi
664
665 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
666 BASIC_PATH_PROGS(STRIP, strip)
667 BASIC_FIXUP_EXECUTABLE(STRIP)
668 BASIC_PATH_PROGS(NM, nm)
669 BASIC_FIXUP_EXECUTABLE(NM)
670 BASIC_PATH_PROGS(GNM, gnm)
671 BASIC_FIXUP_EXECUTABLE(GNM)
672 elif test "x$OPENJDK_TARGET_OS" != xwindows; then
673 # FIXME: we should unify this with the solaris case above.
674 BASIC_CHECK_TOOLS(STRIP, strip)
675 BASIC_FIXUP_EXECUTABLE(STRIP)
676 if test "x$TOOLCHAIN_TYPE" = xgcc; then
677 BASIC_CHECK_TOOLS(NM, nm gcc-nm)
678 else
679 BASIC_CHECK_TOOLS(NM, nm)
680 fi
681 BASIC_FIXUP_EXECUTABLE(NM)
682 GNM="$NM"
683 AC_SUBST(GNM)
684 fi
685
686 # objcopy is used for moving debug symbols to separate files when
687 # full debug symbols are enabled.
688 if test "x$OPENJDK_TARGET_OS" = xsolaris || test "x$OPENJDK_TARGET_OS" = xlinux || \
689 test "x$OPENJDK_TARGET_OS" = xandroid ; then
690 BASIC_CHECK_TOOLS(OBJCOPY, [gobjcopy objcopy])
691 # Only call fixup if objcopy was found.
692 if test -n "$OBJCOPY"; then
693 BASIC_FIXUP_EXECUTABLE(OBJCOPY)
694 if test "x$OPENJDK_BUILD_OS" = xsolaris; then
695 # objcopy prior to 2.21.1 on solaris is broken and is not usable.
696 # Rewrite objcopy version output to VALID_VERSION or BAD_VERSION.
697 # - version number is last blank separate word on first line
698 # - version number formats that have been seen:
699 # - <major>.<minor>
700 # - <major>.<minor>.<micro>
701 OBJCOPY_VERSION=`$OBJCOPY --version | $HEAD -n 1`
702 # The outer [ ] is to prevent m4 from eating the [] in the sed expression.
703 [ OBJCOPY_VERSION_CHECK=`$ECHO $OBJCOPY_VERSION | $SED -n \
704 -e 's/.* //' \
705 -e '/^[01]\./b bad' \
706 -e '/^2\./{' \
707 -e ' s/^2\.//' \
708 -e ' /^[0-9]$/b bad' \
709 -e ' /^[0-9]\./b bad' \
710 -e ' /^1[0-9]$/b bad' \
711 -e ' /^1[0-9]\./b bad' \
712 -e ' /^20\./b bad' \
713 -e ' /^21\.0$/b bad' \
714 -e ' /^21\.0\./b bad' \
715 -e '}' \
716 -e ':good' \
717 -e 's/.*/VALID_VERSION/p' \
718 -e 'q' \
719 -e ':bad' \
720 -e 's/.*/BAD_VERSION/p' \
721 -e 'q'` ]
722 if test "x$OBJCOPY_VERSION_CHECK" = xBAD_VERSION; then
723 OBJCOPY=
724 AC_MSG_WARN([Ignoring found objcopy since it is broken (prior to 2.21.1). No debug symbols will be generated.])
725 AC_MSG_NOTICE([objcopy reports version $OBJCOPY_VERSION])
726 AC_MSG_NOTICE([Note: patch 149063-01 or newer contains the correct Solaris 10 SPARC version])
727 AC_MSG_NOTICE([Note: patch 149064-01 or newer contains the correct Solaris 10 X86 version])
728 AC_MSG_NOTICE([Note: Solaris 11 Update 1 contains the correct version])
729 fi
730 fi
731 fi
732 fi
733
734 BASIC_CHECK_TOOLS(OBJDUMP, [gobjdump objdump])
735 if test "x$OBJDUMP" != x; then
736 # Only used for compare.sh; we can live without it. BASIC_FIXUP_EXECUTABLE
737 # bails if argument is missing.
738 BASIC_FIXUP_EXECUTABLE(OBJDUMP)
739 fi
740 ])
741
742 # Setup the build tools (i.e, the compiler and linker used to build programs
743 # that should be run on the build platform, not the target platform, as a build
744 # helper). Since the non-cross-compile case uses the normal, target compilers
745 # for this, we can only do this after these have been setup.
746 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_BUILD_COMPILERS],
747 [
748 if test "x$COMPILE_TYPE" = "xcross" && test "x$OPENJDK_TARGET_OS" != xios ; then
749 # Now we need to find a C/C++ compiler that can build executables for the
750 # build platform. We can't use the AC_PROG_CC macro, since it can only be
751 # used once. Also, we need to do this without adding a tools dir to the
752 # path, otherwise we might pick up cross-compilers which don't use standard
753 # naming.
754
755 OLDPATH="$PATH"
756
757 AC_ARG_WITH(build-devkit, [AS_HELP_STRING([--with-build-devkit],
758 [Devkit to use for the build platform toolchain])])
759 if test "x$with_build_devkit" = "xyes"; then
760 AC_MSG_ERROR([--with-build-devkit must have a value])
761 elif test -n "$with_build_devkit"; then
762 if test ! -d "$with_build_devkit"; then
763 AC_MSG_ERROR([--with-build-devkit points to non existing dir: $with_build_devkit])
764 else
765 BASIC_FIXUP_PATH([with_build_devkit])
766 BUILD_DEVKIT_ROOT="$with_build_devkit"
767 # Check for a meta data info file in the root of the devkit
768 if test -f "$BUILD_DEVKIT_ROOT/devkit.info"; then
769 # Process devkit.info so that existing devkit variables are not
770 # modified by this
771 $SED -e "s/^DEVKIT_/BUILD_DEVKIT_/g" \
772 -e "s/\$DEVKIT_ROOT/\$BUILD_DEVKIT_ROOT/g" \
773 -e "s/\$host/\$build/g" \
774 $BUILD_DEVKIT_ROOT/devkit.info \
775 > $CONFIGURESUPPORT_OUTPUTDIR/build-devkit.info
776 . $CONFIGURESUPPORT_OUTPUTDIR/build-devkit.info
777 # This potentially sets the following:
778 # A descriptive name of the devkit
779 BASIC_EVAL_DEVKIT_VARIABLE([BUILD_DEVKIT_NAME])
780 # Corresponds to --with-extra-path
781 BASIC_EVAL_DEVKIT_VARIABLE([BUILD_DEVKIT_EXTRA_PATH])
782 # Corresponds to --with-toolchain-path
783 BASIC_EVAL_DEVKIT_VARIABLE([BUILD_DEVKIT_TOOLCHAIN_PATH])
784 # Corresponds to --with-sysroot
785 BASIC_EVAL_DEVKIT_VARIABLE([BUILD_DEVKIT_SYSROOT])
786 # Skip the Window specific parts
787 fi
788
789 AC_MSG_CHECKING([for build platform devkit])
790 if test "x$BUILD_DEVKIT_NAME" != x; then
791 AC_MSG_RESULT([$BUILD_DEVKIT_NAME in $BUILD_DEVKIT_ROOT])
792 else
793 AC_MSG_RESULT([$BUILD_DEVKIT_ROOT])
794 fi
795
796 BUILD_SYSROOT="$BUILD_DEVKIT_SYSROOT"
797 FLAGS_SETUP_SYSROOT_FLAGS([BUILD_])
798
799 # Fallback default of just /bin if DEVKIT_PATH is not defined
800 if test "x$BUILD_DEVKIT_TOOLCHAIN_PATH" = x; then
801 BUILD_DEVKIT_TOOLCHAIN_PATH="$BUILD_DEVKIT_ROOT/bin"
802 fi
803 PATH="$BUILD_DEVKIT_TOOLCHAIN_PATH:$BUILD_DEVKIT_EXTRA_PATH"
804 fi
805 fi
806
807 # FIXME: we should list the discovered compilers as an exclude pattern!
808 # If we do that, we can do this detection before POST_DETECTION, and still
809 # find the build compilers in the tools dir, if needed.
810 BASIC_REQUIRE_PROGS(BUILD_CC, [cl cc gcc])
811 BASIC_FIXUP_EXECUTABLE(BUILD_CC)
812 BASIC_REQUIRE_PROGS(BUILD_CXX, [cl CC g++])
813 BASIC_FIXUP_EXECUTABLE(BUILD_CXX)
814 BASIC_PATH_PROGS(BUILD_NM, nm gcc-nm)
815 BASIC_FIXUP_EXECUTABLE(BUILD_NM)
816 BASIC_PATH_PROGS(BUILD_AR, ar gcc-ar)
817 BASIC_FIXUP_EXECUTABLE(BUILD_AR)
818 BASIC_PATH_PROGS(BUILD_OBJCOPY, objcopy)
819 BASIC_FIXUP_EXECUTABLE(BUILD_OBJCOPY)
820 BASIC_PATH_PROGS(BUILD_STRIP, strip)
821 BASIC_FIXUP_EXECUTABLE(BUILD_STRIP)
822 # Assume the C compiler is the assembler
823 BUILD_AS="$BUILD_CC -c"
824 # Just like for the target compiler, use the compiler as linker
825 BUILD_LD="$BUILD_CC"
826 BUILD_LDCXX="$BUILD_CXX"
827
828 PATH="$OLDPATH"
829
830 TOOLCHAIN_EXTRACT_COMPILER_VERSION(BUILD_CC, [BuildC])
831 TOOLCHAIN_EXTRACT_COMPILER_VERSION(BUILD_CXX, [BuildC++])
832 TOOLCHAIN_PREPARE_FOR_VERSION_COMPARISONS([BUILD_], [OPENJDK_BUILD_])
833 else
834 # If we are not cross compiling, use the normal target compilers for
835 # building the build platform executables.
836 BUILD_CC="$CC"
837 BUILD_CXX="$CXX"
838 BUILD_LD="$LD"
839 BUILD_LDCXX="$LDCXX"
840 BUILD_NM="$NM"
841 BUILD_AS="$AS"
842 BUILD_OBJCOPY="$OBJCOPY"
843 BUILD_STRIP="$STRIP"
844 BUILD_SYSROOT_CFLAGS="$SYSROOT_CFLAGS"
845 BUILD_SYSROOT_LDFLAGS="$SYSROOT_LDFLAGS"
846 BUILD_AR="$AR"
847
848 TOOLCHAIN_PREPARE_FOR_VERSION_COMPARISONS([], [OPENJDK_BUILD_])
849 fi
850
851 AC_SUBST(BUILD_CC)
852 AC_SUBST(BUILD_CXX)
853 AC_SUBST(BUILD_LD)
854 AC_SUBST(BUILD_LDCXX)
855 AC_SUBST(BUILD_NM)
856 AC_SUBST(BUILD_AS)
857 AC_SUBST(BUILD_SYSROOT_CFLAGS)
858 AC_SUBST(BUILD_SYSROOT_LDFLAGS)
859 AC_SUBST(BUILD_AR)
860 ])
861
862 # Setup legacy variables that are still needed as alternative ways to refer to
863 # parts of the toolchain.
864 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_LEGACY],
865 [
866 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
867 # For hotspot, we need these in Windows mixed path,
868 # so rewrite them all. Need added .exe suffix.
869 HOTSPOT_CXX="$CXX.exe"
870 HOTSPOT_LD="$LD.exe"
871 HOTSPOT_MT="$MT.exe"
872 HOTSPOT_RC="$RC.exe"
873 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_CXX)
874 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_LD)
875 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_MT)
876 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_RC)
877 AC_SUBST(HOTSPOT_MT)
878 AC_SUBST(HOTSPOT_RC)
879 else
880 HOTSPOT_CXX="$CXX"
881 HOTSPOT_LD="$LD"
882 fi
883 AC_SUBST(HOTSPOT_CXX)
884 AC_SUBST(HOTSPOT_LD)
885
886 if test "x$TOOLCHAIN_TYPE" = xclang; then
887 USE_CLANG=true
888 fi
889 AC_SUBST(USE_CLANG)
890 ])
891
892 # Do some additional checks on the detected tools.
893 AC_DEFUN_ONCE([TOOLCHAIN_MISC_CHECKS],
894 [
895 # The package path is used only on macosx?
896 # FIXME: clean this up, and/or move it elsewhere.
897 PACKAGE_PATH=/opt/local
898 AC_SUBST(PACKAGE_PATH)
899
900 # Check for extra potential brokenness.
901 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
902 # On Windows, double-check that we got the right compiler.
903 CC_VERSION_OUTPUT=`$CC 2>&1 | $HEAD -n 1 | $TR -d '\r'`
904 COMPILER_CPU_TEST=`$ECHO $CC_VERSION_OUTPUT | $SED -n "s/^.* \(.*\)$/\1/p"`
905 if test "x$OPENJDK_TARGET_CPU" = "xx86"; then
906 if test "x$COMPILER_CPU_TEST" != "x80x86" -a "x$COMPILER_CPU_TEST" != "xx86"; then
907 AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "80x86" or "x86".])
908 fi
909 elif test "x$OPENJDK_TARGET_CPU" = "xx86_64"; then
910 if test "x$COMPILER_CPU_TEST" != "xx64"; then
911 AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "x64".])
912 fi
913 fi
914 fi
915
916 if test "x$TOOLCHAIN_TYPE" = xgcc; then
917 # If this is a --hash-style=gnu system, use --hash-style=both, why?
918 HAS_GNU_HASH=`$CC -dumpspecs 2>/dev/null | $GREP 'hash-style=gnu'`
919 # This is later checked when setting flags.
920
921 # "-Og" suppported for GCC 4.8 and later
922 CFLAG_OPTIMIZE_DEBUG_FLAG="-Og"
923 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$CFLAG_OPTIMIZE_DEBUG_FLAG],
924 IF_TRUE: [HAS_CFLAG_OPTIMIZE_DEBUG=true],
925 IF_FALSE: [HAS_CFLAG_OPTIMIZE_DEBUG=false])
926
927 # "-z relro" supported in GNU binutils 2.17 and later
928 LINKER_RELRO_FLAG="-Wl,-z,relro"
929 FLAGS_LINKER_CHECK_ARGUMENTS(ARGUMENT: [$LINKER_RELRO_FLAG],
930 IF_TRUE: [HAS_LINKER_RELRO=true],
931 IF_FALSE: [HAS_LINKER_RELRO=false])
932
933 # "-z now" supported in GNU binutils 2.11 and later
934 LINKER_NOW_FLAG="-Wl,-z,now"
935 FLAGS_LINKER_CHECK_ARGUMENTS(ARGUMENT: [$LINKER_NOW_FLAG],
936 IF_TRUE: [HAS_LINKER_NOW=true],
937 IF_FALSE: [HAS_LINKER_NOW=false])
938 fi
939
940 # Check for broken SuSE 'ld' for which 'Only anonymous version tag is allowed
941 # in executable.'
942 USING_BROKEN_SUSE_LD=no
943 if test "x$OPENJDK_TARGET_OS" = xlinux && test "x$TOOLCHAIN_TYPE" = xgcc; then
944 AC_MSG_CHECKING([for broken SuSE 'ld' which only understands anonymous version tags in executables])
945 $ECHO "SUNWprivate_1.1 { local: *; };" > version-script.map
946 $ECHO "int main() { }" > main.c
947 if $CXX -Wl,-version-script=version-script.map main.c 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD; then
948 AC_MSG_RESULT(no)
949 USING_BROKEN_SUSE_LD=no
950 else
951 AC_MSG_RESULT(yes)
952 USING_BROKEN_SUSE_LD=yes
953 fi
954 $RM version-script.map main.c a.out
955 fi
956 AC_SUBST(USING_BROKEN_SUSE_LD)
957
958 # Setup hotspot lecagy names for toolchains
959 HOTSPOT_TOOLCHAIN_TYPE=$TOOLCHAIN_TYPE
960 if test "x$TOOLCHAIN_TYPE" = xclang; then
961 HOTSPOT_TOOLCHAIN_TYPE=gcc
962 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
963 HOTSPOT_TOOLCHAIN_TYPE=sparcWorks
964 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
965 HOTSPOT_TOOLCHAIN_TYPE=visCPP
966 fi
967 AC_SUBST(HOTSPOT_TOOLCHAIN_TYPE)
968 ])
969
970 # Setup the JTReg Regression Test Harness.
971 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_JTREG],
972 [
973 AC_ARG_WITH(jtreg, [AS_HELP_STRING([--with-jtreg],
974 [Regression Test Harness @<:@probed@:>@])],
975 [],
976 [with_jtreg=no])
977
978 if test "x$with_jtreg" = xno; then
979 # jtreg disabled
980 AC_MSG_CHECKING([for jtreg])
981 AC_MSG_RESULT(no)
982 else
983 if test "x$with_jtreg" != xyes; then
984 # with path specified.
985 JT_HOME="$with_jtreg"
986 fi
987
988 if test "x$JT_HOME" != x; then
989 AC_MSG_CHECKING([for jtreg])
990
991 # use JT_HOME enviroment var.
992 BASIC_FIXUP_PATH([JT_HOME])
993
994 # jtreg win32 script works for everybody
995 JTREGEXE="$JT_HOME/bin/jtreg"
996
997 if test ! -f "$JTREGEXE"; then
998 AC_MSG_ERROR([JTReg executable does not exist: $JTREGEXE])
999 fi
1000
1001 AC_MSG_RESULT($JTREGEXE)
1002 else
1003 # try to find jtreg on path
1004 BASIC_REQUIRE_PROGS(JTREGEXE, jtreg)
1005 JT_HOME="`$DIRNAME $JTREGEXE`"
1006 fi
1007 fi
1008
1009 AC_SUBST(JT_HOME)
1010 AC_SUBST(JTREGEXE)
1011 ])