1 #
2 # Copyright (c) 2011, 2018, 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 # Prepare the system so that TOOLCHAIN_CHECK_COMPILER_VERSION can be called.
54 # Must have CC_VERSION_NUMBER and CXX_VERSION_NUMBER.
55 # $1 - optional variable prefix for compiler and version variables (BUILD_)
56 # $2 - optional variable prefix for comparable variable (OPENJDK_BUILD_)
57 AC_DEFUN([TOOLCHAIN_PREPARE_FOR_VERSION_COMPARISONS],
58 [
59 if test "x$CC_VERSION" != "x$CXX_VERSION"; then
60 AC_MSG_WARN([C and C++ compiler has different version numbers, $CC_VERSION vs $CXX_VERSION.])
61 AC_MSG_WARN([This typically indicates a broken setup, and is not supported])
62 fi
63
64 # We only check CC_VERSION since we assume CXX_VERSION is equal.
65 if [ [[ "$CC_VERSION" =~ (.*\.){3} ]] ]; then
66 AC_MSG_WARN([C compiler version number has more than three parts (X.Y.Z): $CC_VERSION. Comparisons might be wrong.])
67 fi
68
69 if [ [[ "$CC_VERSION" =~ [0-9]{6} ]] ]; then
70 AC_MSG_WARN([C compiler version number has a part larger than 99999: $CC_VERSION. Comparisons might be wrong.])
71 fi
72
73 $2COMPARABLE_ACTUAL_VERSION=`$AWK -F. '{ printf("%05d%05d%05d\n", [$]1, [$]2, [$]3) }' <<< "$CC_VERSION"`
74 ])
75
76 # Check if the configured compiler (C and C++) is of a specific version or
77 # newer. TOOLCHAIN_PREPARE_FOR_VERSION_COMPARISONS must have been called before.
78 #
79 # Arguments:
80 # $1: The version string to check against the found version
81 # $2: block to run if the compiler is at least this version (>=)
82 # $3: block to run if the compiler is older than this version (<)
83 AC_DEFUN([TOOLCHAIN_CHECK_COMPILER_VERSION],
84 [
85 REFERENCE_VERSION=$1
86
87 if [ [[ "$REFERENCE_VERSION" =~ (.*\.){3} ]] ]; then
88 AC_MSG_ERROR([Internal error: Cannot compare to $REFERENCE_VERSION, only three parts (X.Y.Z) is supported])
89 fi
90
91 if [ [[ "$REFERENCE_VERSION" =~ [0-9]{6} ]] ]; then
92 AC_MSG_ERROR([Internal error: Cannot compare to $REFERENCE_VERSION, only parts < 99999 is supported])
93 fi
94
95 # Version comparison method inspired by http://stackoverflow.com/a/24067243
96 COMPARABLE_REFERENCE_VERSION=`$AWK -F. '{ printf("%05d%05d%05d\n", [$]1, [$]2, [$]3) }' <<< "$REFERENCE_VERSION"`
97
98 if test $COMPARABLE_ACTUAL_VERSION -ge $COMPARABLE_REFERENCE_VERSION ; then
99 m4_ifval([$2], [$2], [:])
100 else
101 m4_ifval([$3], [$3], [:])
102 fi
103 ])
104
105
106 # Setup a number of variables describing how native output files are
107 # named on this platform/toolchain.
108 AC_DEFUN([TOOLCHAIN_SETUP_FILENAME_PATTERNS],
109 [
110 # Define filename patterns
111 if test "x$OPENJDK_TARGET_OS" = xwindows; then
112 LIBRARY_PREFIX=
113 SHARED_LIBRARY_SUFFIX='.dll'
114 STATIC_LIBRARY_SUFFIX='.lib'
115 SHARED_LIBRARY='[$]1.dll'
116 STATIC_LIBRARY='[$]1.lib'
117 OBJ_SUFFIX='.obj'
118 EXE_SUFFIX='.exe'
119 else
120 LIBRARY_PREFIX=lib
121 SHARED_LIBRARY_SUFFIX='.so'
122 STATIC_LIBRARY_SUFFIX='.a'
123 SHARED_LIBRARY='lib[$]1.so'
124 STATIC_LIBRARY='lib[$]1.a'
125 OBJ_SUFFIX='.o'
126 EXE_SUFFIX=''
127 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
128 SHARED_LIBRARY='lib[$]1.dylib'
129 SHARED_LIBRARY_SUFFIX='.dylib'
130 fi
131 fi
132
133 AC_SUBST(LIBRARY_PREFIX)
134 AC_SUBST(SHARED_LIBRARY_SUFFIX)
135 AC_SUBST(STATIC_LIBRARY_SUFFIX)
136 AC_SUBST(SHARED_LIBRARY)
137 AC_SUBST(STATIC_LIBRARY)
138 AC_SUBST(OBJ_SUFFIX)
139 AC_SUBST(EXE_SUFFIX)
140 ])
141
142 # Determine which toolchain type to use, and make sure it is valid for this
143 # platform. Setup various information about the selected toolchain.
144 AC_DEFUN_ONCE([TOOLCHAIN_DETERMINE_TOOLCHAIN_TYPE],
145 [
146 AC_ARG_WITH(toolchain-type, [AS_HELP_STRING([--with-toolchain-type],
147 [the toolchain type (or family) to use, use '--help' to show possible values @<:@platform dependent@:>@])])
148
149 # Use indirect variable referencing
150 toolchain_var_name=VALID_TOOLCHAINS_$OPENJDK_BUILD_OS
151 VALID_TOOLCHAINS=${!toolchain_var_name}
152 # First toolchain type in the list is the default
153 DEFAULT_TOOLCHAIN=${VALID_TOOLCHAINS%% *}
154
155 if test "x$with_toolchain_type" = xlist; then
156 # List all toolchains
157 AC_MSG_NOTICE([The following toolchains are valid on this platform:])
158 for toolchain in $VALID_TOOLCHAINS; do
159 toolchain_var_name=TOOLCHAIN_DESCRIPTION_$toolchain
160 TOOLCHAIN_DESCRIPTION=${!toolchain_var_name}
161 $PRINTF " %-10s %s\n" $toolchain "$TOOLCHAIN_DESCRIPTION"
162 done
163
164 exit 0
165 elif test "x$with_toolchain_type" != x; then
166 # User override; check that it is valid
167 if test "x${VALID_TOOLCHAINS/$with_toolchain_type/}" = "x${VALID_TOOLCHAINS}"; then
168 AC_MSG_NOTICE([Toolchain type $with_toolchain_type is not valid on this platform.])
169 AC_MSG_NOTICE([Valid toolchains: $VALID_TOOLCHAINS.])
170 AC_MSG_ERROR([Cannot continue.])
171 fi
172 TOOLCHAIN_TYPE=$with_toolchain_type
173 else
174 # No flag given, use default
175 TOOLCHAIN_TYPE=$DEFAULT_TOOLCHAIN
176 fi
177 AC_SUBST(TOOLCHAIN_TYPE)
178
179 TOOLCHAIN_CC_BINARY_clang="clang"
180 TOOLCHAIN_CC_BINARY_gcc="gcc"
181 TOOLCHAIN_CC_BINARY_microsoft="cl"
182 TOOLCHAIN_CC_BINARY_solstudio="cc"
183 TOOLCHAIN_CC_BINARY_xlc="xlc_r"
184
185 TOOLCHAIN_CXX_BINARY_clang="clang++"
186 TOOLCHAIN_CXX_BINARY_gcc="g++"
187 TOOLCHAIN_CXX_BINARY_microsoft="cl"
188 TOOLCHAIN_CXX_BINARY_solstudio="CC"
189 TOOLCHAIN_CXX_BINARY_xlc="xlC_r"
190
191 # Use indirect variable referencing
192 toolchain_var_name=TOOLCHAIN_DESCRIPTION_$TOOLCHAIN_TYPE
193 TOOLCHAIN_DESCRIPTION=${!toolchain_var_name}
194 toolchain_var_name=TOOLCHAIN_CC_BINARY_$TOOLCHAIN_TYPE
195 TOOLCHAIN_CC_BINARY=${!toolchain_var_name}
196 toolchain_var_name=TOOLCHAIN_CXX_BINARY_$TOOLCHAIN_TYPE
197 TOOLCHAIN_CXX_BINARY=${!toolchain_var_name}
198
199 TOOLCHAIN_SETUP_FILENAME_PATTERNS
200
201 if test "x$TOOLCHAIN_TYPE" = "x$DEFAULT_TOOLCHAIN"; then
202 AC_MSG_NOTICE([Using default toolchain $TOOLCHAIN_TYPE ($TOOLCHAIN_DESCRIPTION)])
203 else
204 AC_MSG_NOTICE([Using user selected toolchain $TOOLCHAIN_TYPE ($TOOLCHAIN_DESCRIPTION). Default toolchain is $DEFAULT_TOOLCHAIN.])
205 fi
206 ])
207
208 # Before we start detecting the toolchain executables, we might need some
209 # special setup, e.g. additional paths etc.
210 AC_DEFUN_ONCE([TOOLCHAIN_PRE_DETECTION],
211 [
212 # FIXME: Is this needed?
213 AC_LANG(C++)
214
215 # Store the CFLAGS etal passed to the configure script.
216 ORG_CFLAGS="$CFLAGS"
217 ORG_CXXFLAGS="$CXXFLAGS"
218 ORG_OBJCFLAGS="$OBJCFLAGS"
219
220 # autoconf magic only relies on PATH, so update it if tools dir is specified
221 OLD_PATH="$PATH"
222
223 # On Windows, we need to detect the visual studio installation first.
224 # This will change the PATH, but we need to keep that new PATH even
225 # after toolchain detection is done, since the compiler (on x86) uses
226 # it for DLL resolution in runtime.
227 if test "x$OPENJDK_BUILD_OS" = "xwindows" \
228 && test "x$TOOLCHAIN_TYPE" = "xmicrosoft"; then
229 TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV
230 # Reset path to VS_PATH. It will include everything that was on PATH at the time we
231 # ran TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV.
232 PATH="$VS_PATH"
233 # The microsoft toolchain also requires INCLUDE and LIB to be set.
234 export INCLUDE="$VS_INCLUDE"
235 export LIB="$VS_LIB"
236 fi
237
238 # Before we locate the compilers, we need to sanitize the Xcode build environment
239 if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
240 # determine path to Xcode developer directory
241 # can be empty in which case all the tools will rely on a sane Xcode 4 installation
242 SET_DEVELOPER_DIR=
243
244 if test -n "$XCODE_PATH"; then
245 DEVELOPER_DIR="$XCODE_PATH"/Contents/Developer
246 fi
247
248 # DEVELOPER_DIR could also be provided directly
249 AC_MSG_CHECKING([Determining if we need to set DEVELOPER_DIR])
250 if test -n "$DEVELOPER_DIR"; then
251 if test ! -d "$DEVELOPER_DIR"; then
252 AC_MSG_ERROR([Xcode Developer path does not exist: $DEVELOPER_DIR, please provide a path to the Xcode 4 application bundle using --with-xcode-path])
253 fi
254 if test ! -f "$DEVELOPER_DIR"/usr/bin/xcodebuild; then
255 AC_MSG_ERROR([Xcode Developer path is not valid: $DEVELOPER_DIR, it must point to Contents/Developer inside an Xcode application bundle])
256 fi
257 # make it visible to all the tools immediately
258 export DEVELOPER_DIR
259 SET_DEVELOPER_DIR="export DEVELOPER_DIR := $DEVELOPER_DIR"
260 AC_MSG_RESULT([yes ($DEVELOPER_DIR)])
261 else
262 AC_MSG_RESULT([no])
263 fi
264 AC_SUBST(SET_DEVELOPER_DIR)
265
266 AC_PATH_PROG(XCODEBUILD, xcodebuild)
267 if test -z "$XCODEBUILD"; then
268 AC_MSG_ERROR([The xcodebuild tool was not found, the Xcode command line tools are required to build on Mac OS X])
269 fi
270
271 # Fail-fast: verify we're building on Xcode 4, we cannot build with Xcode 5 or later
272 XCODE_VERSION=`$XCODEBUILD -version | grep '^Xcode ' | sed 's/Xcode //'`
273 XC_VERSION_PARTS=( ${XCODE_VERSION//./ } )
274 if test ! "${XC_VERSION_PARTS[[0]]}" = "4"; then
275 AC_MSG_ERROR([Xcode 4 is required to build JDK 8, the version found was $XCODE_VERSION. Use --with-xcode-path to specify the location of Xcode 4 or make Xcode 4 active by using xcode-select.])
276 fi
277
278 # Some versions of Xcode 5 command line tools install gcc and g++ as symlinks to
279 # clang and clang++, which will break the build. So handle that here if we need to.
280 if test -L "/usr/bin/gcc" -o -L "/usr/bin/g++"; then
281 # use xcrun to find the real gcc and add it's directory to PATH
282 # then autoconf magic will find it
283 AC_MSG_NOTICE([Found gcc symlinks to clang in /usr/bin, adding path to real gcc to PATH])
284 XCODE_BIN_PATH=$(dirname `xcrun -find gcc`)
285 PATH="$XCODE_BIN_PATH":$PATH
286 fi
287
288 # Determine appropriate SDKPATH, don't use SDKROOT as it interferes with the stub tools
289 AC_MSG_CHECKING([Determining Xcode SDK path])
290 # allow SDKNAME to be set to override the default SDK selection
291 SDKPATH=`"$XCODEBUILD" -sdk ${SDKNAME:-macosx} -version | grep '^Path: ' | sed 's/Path: //'`
292 if test -n "$SDKPATH"; then
293 AC_MSG_RESULT([$SDKPATH])
294 else
295 AC_MSG_RESULT([(none, will use system headers and frameworks)])
296 fi
297 AC_SUBST(SDKPATH)
298
299 # Perform a basic sanity test
300 if test ! -f "$SDKPATH/System/Library/Frameworks/Foundation.framework/Headers/Foundation.h"; then
301 AC_MSG_ERROR([Unable to find required framework headers, provide a valid path to Xcode 4 using --with-xcode-path])
302 fi
303
304 # if SDKPATH is non-empty then we need to add -isysroot and -iframework for gcc and g++
305 if test -n "$SDKPATH"; then
306 # We need -isysroot <path> and -iframework<path>/System/Library/Frameworks
307 CFLAGS_JDK="${CFLAGS_JDK} -isysroot \"$SDKPATH\" -iframework\"$SDKPATH/System/Library/Frameworks\""
308 CXXFLAGS_JDK="${CXXFLAGS_JDK} -isysroot \"$SDKPATH\" -iframework\"$SDKPATH/System/Library/Frameworks\""
309 LDFLAGS_JDK="${LDFLAGS_JDK} -isysroot \"$SDKPATH\" -iframework\"$SDKPATH/System/Library/Frameworks\""
310 fi
311
312 # These always need to be set, or we can't find the frameworks embedded in JavaVM.framework
313 # setting this here means it doesn't have to be peppered throughout the forest
314 CFLAGS_JDK="$CFLAGS_JDK -F\"$SDKPATH/System/Library/Frameworks/JavaVM.framework/Frameworks\""
315 CXXFLAGS_JDK="$CXXFLAGS_JDK -F\"$SDKPATH/System/Library/Frameworks/JavaVM.framework/Frameworks\""
316 LDFLAGS_JDK="$LDFLAGS_JDK -F\"$SDKPATH/System/Library/Frameworks/JavaVM.framework/Frameworks\""
317 fi
318
319 # For solaris we really need solaris tools, and not the GNU equivalent.
320 # The build tools on Solaris reside in /usr/ccs (C Compilation System),
321 # so add that to path before starting to probe.
322 # FIXME: This was originally only done for AS,NM,GNM,STRIP,MCS,OBJCOPY,OBJDUMP.
323 if test "x$OPENJDK_BUILD_OS" = xsolaris; then
324 PATH="/usr/ccs/bin:$PATH"
325 fi
326
327 # Finally add TOOLCHAIN_PATH at the beginning, to allow --with-tools-dir to
328 # override all other locations.
329 if test "x$TOOLCHAIN_PATH" != x; then
330 PATH=$TOOLCHAIN_PATH:$PATH
331 fi
332 ])
333
334 # Restore path, etc
335 AC_DEFUN_ONCE([TOOLCHAIN_POST_DETECTION],
336 [
337 # Restore old path, except for the microsoft toolchain, which requires VS_PATH
338 # to remain in place. Otherwise the compiler will not work in some situations
339 # in later configure checks.
340 if test "x$TOOLCHAIN_TYPE" != "xmicrosoft"; then
341 PATH="$OLD_PATH"
342 fi
343
344 # Restore the flags to the user specified values.
345 # This is necessary since AC_PROG_CC defaults CFLAGS to "-g -O2"
346 CFLAGS="$ORG_CFLAGS"
347 CXXFLAGS="$ORG_CXXFLAGS"
348 OBJCFLAGS="$ORG_OBJCFLAGS"
349 ])
350
351 # Check if a compiler is of the toolchain type we expect, and save the version
352 # information from it. If the compiler does not match the expected type,
353 # this function will abort using AC_MSG_ERROR. If it matches, the version will
354 # be stored in CC_VERSION_NUMBER/CXX_VERSION_NUMBER (as a dotted number), and
355 # the full version string in CC_VERSION_STRING/CXX_VERSION_STRING.
356 #
357 # $1 = compiler to test (CC or CXX)
358 # $2 = human readable name of compiler (C or C++)
359 AC_DEFUN([TOOLCHAIN_EXTRACT_COMPILER_VERSION],
360 [
361 COMPILER=[$]$1
362 COMPILER_NAME=$2
363
364 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
365 # cc -V output typically looks like
366 # cc: Sun C 5.12 Linux_i386 2011/11/16
367 COMPILER_VERSION_OUTPUT=`$COMPILER -V 2>&1`
368 # Check that this is likely to be the Solaris Studio cc.
369 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "^.*: Sun $COMPILER_NAME" > /dev/null
370 if test $? -ne 0; then
371 ALT_VERSION_OUTPUT=`$COMPILER --version 2>&1`
372 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.])
373 AC_MSG_NOTICE([The result from running with -V was: "$COMPILER_VERSION_OUTPUT"])
374 AC_MSG_NOTICE([The result from running with --version was: "$ALT_VERSION_OUTPUT"])
375 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.])
376 fi
377 # Remove usage instructions (if present), and
378 # collapse compiler output into a single line
379 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT | \
380 $SED -e 's/ *@<:@Uu@:>@sage:.*//'`
381 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
382 $SED -e "s/^.*@<:@ ,\t@:>@$COMPILER_NAME@<:@ ,\t@:>@\(@<:@1-9@:>@\.@<:@0-9@:>@@<:@0-9@:>@*\).*/\1/"`
383 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
384 # xlc -qversion output typically looks like
385 # IBM XL C/C++ for AIX, V11.1 (5724-X13)
386 # Version: 11.01.0000.0015
387 COMPILER_VERSION_OUTPUT=`$COMPILER -qversion 2>&1`
388 # Check that this is likely to be the IBM XL C compiler.
389 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "IBM XL C" > /dev/null
390 if test $? -ne 0; then
391 ALT_VERSION_OUTPUT=`$COMPILER --version 2>&1`
392 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.])
393 AC_MSG_NOTICE([The result from running with -qversion was: "$COMPILER_VERSION_OUTPUT"])
394 AC_MSG_NOTICE([The result from running with --version was: "$ALT_VERSION_OUTPUT"])
395 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.])
396 fi
397 # Collapse compiler output into a single line
398 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT`
399 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
400 $SED -e 's/^.*, V\(@<:@1-9@:>@@<:@0-9.@:>@*\).*$/\1/'`
401 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
402 # There is no specific version flag, but all output starts with a version string.
403 # First line typically looks something like:
404 # Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 16.00.40219.01 for 80x86
405 COMPILER_VERSION_OUTPUT=`$COMPILER 2>&1 | $HEAD -n 1 | $TR -d '\r'`
406 # Check that this is likely to be Microsoft CL.EXE.
407 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "Microsoft.*Compiler" > /dev/null
408 if test $? -ne 0; then
409 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.])
410 AC_MSG_NOTICE([The result from running it was: "$COMPILER_VERSION_OUTPUT"])
411 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.])
412 fi
413 # Collapse compiler output into a single line
414 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT`
415 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
416 $SED -e 's/^.*ersion.\(@<:@1-9@:>@@<:@0-9.@:>@*\) .*$/\1/'`
417 elif test "x$TOOLCHAIN_TYPE" = xgcc; then
418 # gcc --version output typically looks like
419 # gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1
420 # Copyright (C) 2013 Free Software Foundation, Inc.
421 # This is free software; see the source for copying conditions. There is NO
422 # warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
423 COMPILER_VERSION_OUTPUT=`$COMPILER --version 2>&1`
424 # Check that this is likely to be GCC.
425 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "Free Software Foundation" > /dev/null
426 if test $? -ne 0; then
427 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.])
428 AC_MSG_NOTICE([The result from running with --version was: "$COMPILER_VERSION"])
429 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.])
430 fi
431 # Remove Copyright and legalese from version string, and
432 # collapse into a single line
433 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT | \
434 $SED -e 's/ *Copyright .*//'`
435 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
436 $SED -e 's/^.* \(@<:@1-9@:>@\.@<:@0-9.@:>@*\) .*$/\1/'`
437 elif test "x$TOOLCHAIN_TYPE" = xclang; then
438 # clang --version output typically looks like
439 # Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
440 # clang version 3.3 (tags/RELEASE_33/final)
441 # or
442 # Debian clang version 3.2-7ubuntu1 (tags/RELEASE_32/final) (based on LLVM 3.2)
443 # Target: x86_64-pc-linux-gnu
444 # Thread model: posix
445 COMPILER_VERSION_OUTPUT=`$COMPILER --version 2>&1`
446 # Check that this is likely to be clang
447 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "clang" > /dev/null
448 if test $? -ne 0; then
449 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.])
450 AC_MSG_NOTICE([The result from running with --version was: "$COMPILER_VERSION_OUTPUT"])
451 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.])
452 fi
453 # Collapse compiler output into a single line
454 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT`
455 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
456 $SED -e 's/^.*clang version \(@<:@1-9@:>@@<:@0-9.@:>@*\).*$/\1/'`
457
458 else
459 AC_MSG_ERROR([Unknown toolchain type $TOOLCHAIN_TYPE.])
460 fi
461 # This sets CC_VERSION_NUMBER or CXX_VERSION_NUMBER. (This comment is a grep marker)
462 $1_VERSION_NUMBER="$COMPILER_VERSION_NUMBER"
463 # This sets CC_VERSION_STRING or CXX_VERSION_STRING. (This comment is a grep marker)
464 $1_VERSION_STRING="$COMPILER_VERSION_STRING"
465
466 AC_MSG_NOTICE([Using $TOOLCHAIN_TYPE $COMPILER_NAME compiler version $COMPILER_VERSION_NUMBER @<:@$COMPILER_VERSION_STRING@:>@])
467 ])
468
469
470 # Try to locate the given C or C++ compiler in the path, or otherwise.
471 #
472 # $1 = compiler to test (CC or CXX)
473 # $2 = human readable name of compiler (C or C++)
474 # $3 = list of compiler names to search for
475 AC_DEFUN([TOOLCHAIN_FIND_COMPILER],
476 [
477 COMPILER_NAME=$2
478 SEARCH_LIST="$3"
479
480 if test "x[$]$1" != x; then
481 # User has supplied compiler name already, always let that override.
482 AC_MSG_NOTICE([Will use user supplied compiler $1=[$]$1])
483 if test "x`basename [$]$1`" = "x[$]$1"; then
484 # A command without a complete path is provided, search $PATH.
485
486 AC_PATH_PROGS(POTENTIAL_$1, [$]$1)
487 if test "x$POTENTIAL_$1" != x; then
488 $1=$POTENTIAL_$1
489 else
490 AC_MSG_ERROR([User supplied compiler $1=[$]$1 could not be found])
491 fi
492 else
493 # Otherwise it might already be a complete path
494 if test ! -x "[$]$1"; then
495 AC_MSG_ERROR([User supplied compiler $1=[$]$1 does not exist])
496 fi
497 fi
498 else
499 # No user supplied value. Locate compiler ourselves.
500
501 # If we are cross compiling, assume cross compilation tools follows the
502 # cross compilation standard where they are prefixed with the autoconf
503 # standard name for the target. For example the binary
504 # i686-sun-solaris2.10-gcc will cross compile for i686-sun-solaris2.10.
505 # If we are not cross compiling, then the default compiler name will be
506 # used.
507
508 $1=
509 # If TOOLCHAIN_PATH is set, check for all compiler names in there first
510 # before checking the rest of the PATH.
511 # FIXME: Now that we prefix the TOOLS_DIR to the PATH in the PRE_DETECTION
512 # step, this should not be necessary.
513 if test -n "$TOOLCHAIN_PATH"; then
514 PATH_save="$PATH"
515 PATH="$TOOLCHAIN_PATH"
516 AC_PATH_PROGS(TOOLCHAIN_PATH_$1, $SEARCH_LIST)
517 $1=$TOOLCHAIN_PATH_$1
518 PATH="$PATH_save"
519 fi
520
521 # AC_PATH_PROGS can't be run multiple times with the same variable,
522 # so create a new name for this run.
523 if test "x[$]$1" = x; then
524 AC_PATH_PROGS(POTENTIAL_$1, $3)
525 $1=$POTENTIAL_$1
526 fi
527
528 if test "x[$]$1" = x; then
529 HELP_MSG_MISSING_DEPENDENCY([devkit])
530 AC_MSG_ERROR([Could not find a $COMPILER_NAME compiler. $HELP_MSG])
531 fi
532 fi
533
534 # Now we have a compiler binary in $1. Make sure it's okay.
535 BASIC_FIXUP_EXECUTABLE($1)
536 TEST_COMPILER="[$]$1"
537 # Don't remove symbolic links on AIX because 'xlc_r' and 'xlC_r' may all be links
538 # to 'xlc' but it is crucial that we invoke the compiler with the right name!
539 if test "x$OPENJDK_BUILD_OS" != xaix; then
540 # FIXME: This test should not be needed anymore; we don't do that for any platform.
541 AC_MSG_CHECKING([resolved symbolic links for $1])
542 BASIC_REMOVE_SYMBOLIC_LINKS(TEST_COMPILER)
543 AC_MSG_RESULT([$TEST_COMPILER])
544 fi
545 AC_MSG_CHECKING([if $1 is disguised ccache])
546
547 COMPILER_BASENAME=`$BASENAME "$TEST_COMPILER"`
548 if test "x$COMPILER_BASENAME" = "xccache"; then
549 AC_MSG_RESULT([yes, trying to find proper $COMPILER_NAME compiler])
550 # We /usr/lib/ccache in the path, so cc is a symlink to /usr/bin/ccache.
551 # We want to control ccache invocation ourselves, so ignore this cc and try
552 # searching again.
553
554 # Remove the path to the fake ccache cc from the PATH
555 RETRY_COMPILER_SAVED_PATH="$PATH"
556 COMPILER_DIRNAME=`$DIRNAME [$]$1`
557 PATH="`$ECHO $PATH | $SED -e "s,$COMPILER_DIRNAME,,g" -e "s,::,:,g" -e "s,^:,,g"`"
558
559 # Try again looking for our compiler
560 AC_CHECK_TOOLS(PROPER_COMPILER_$1, $3)
561 BASIC_FIXUP_EXECUTABLE(PROPER_COMPILER_$1)
562 PATH="$RETRY_COMPILER_SAVED_PATH"
563
564 AC_MSG_CHECKING([for resolved symbolic links for $1])
565 BASIC_REMOVE_SYMBOLIC_LINKS(PROPER_COMPILER_$1)
566 AC_MSG_RESULT([$PROPER_COMPILER_$1])
567 $1="$PROPER_COMPILER_$1"
568 else
569 AC_MSG_RESULT([no, keeping $1])
570 fi
571
572 TOOLCHAIN_EXTRACT_COMPILER_VERSION([$1], [$COMPILER_NAME])
573 ])
574
575 # Detect the core components of the toolchain, i.e. the compilers (CC and CXX),
576 # preprocessor (CPP and CXXCPP), the linker (LD), the assembler (AS) and the
577 # archiver (AR). Verify that the compilers are correct according to the
578 # toolchain type.
579 AC_DEFUN_ONCE([TOOLCHAIN_DETECT_TOOLCHAIN_CORE],
580 [
581 #
582 # Setup the compilers (CC and CXX)
583 #
584 TOOLCHAIN_FIND_COMPILER([CC], [C], $TOOLCHAIN_CC_BINARY)
585 # Now that we have resolved CC ourself, let autoconf have its go at it
586 AC_PROG_CC([$CC])
587
588 TOOLCHAIN_FIND_COMPILER([CXX], [C++], $TOOLCHAIN_CXX_BINARY)
589 # Now that we have resolved CXX ourself, let autoconf have its go at it
590 AC_PROG_CXX([$CXX])
591
592 # This is the compiler version number on the form X.Y[.Z]
593 AC_SUBST(CC_VERSION_NUMBER)
594 AC_SUBST(CXX_VERSION_NUMBER)
595
596 TOOLCHAIN_PREPARE_FOR_VERSION_COMPARISONS
597
598 #
599 # Setup the preprocessor (CPP and CXXCPP)
600 #
601 AC_PROG_CPP
602 BASIC_FIXUP_EXECUTABLE(CPP)
603 AC_PROG_CXXCPP
604 BASIC_FIXUP_EXECUTABLE(CXXCPP)
605
606 #
607 # Setup the linker (LD)
608 #
609 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
610 # In the Microsoft toolchain we have a separate LD command "link".
611 # Make sure we reject /usr/bin/link (as determined in CYGWIN_LINK), which is
612 # a cygwin program for something completely different.
613 AC_CHECK_PROG([LD], [link],[link],,, [$CYGWIN_LINK])
614 BASIC_FIXUP_EXECUTABLE(LD)
615 # Verify that we indeed succeeded with this trick.
616 AC_MSG_CHECKING([if the found link.exe is actually the Visual Studio linker])
617 "$LD" --version > /dev/null
618 if test $? -eq 0 ; then
619 AC_MSG_RESULT([no])
620 AC_MSG_ERROR([This is the Cygwin link tool. Please check your PATH and rerun configure.])
621 else
622 AC_MSG_RESULT([yes])
623 fi
624 LDCXX="$LD"
625 else
626 # All other toolchains use the compiler to link.
627 LD="$CC"
628 LDCXX="$CXX"
629 fi
630 AC_SUBST(LD)
631 # FIXME: it should be CXXLD, according to standard (cf CXXCPP)
632 AC_SUBST(LDCXX)
633
634 #
635 # Setup the assembler (AS)
636 #
637 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
638 # FIXME: should this really be solaris, or solstudio?
639 BASIC_PATH_PROGS(AS, as)
640 BASIC_FIXUP_EXECUTABLE(AS)
641 else
642 # FIXME: is this correct for microsoft?
643 AS="$CC -c"
644 fi
645 AC_SUBST(AS)
646
647 #
648 # Setup the archiver (AR)
649 #
650 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
651 # The corresponding ar tool is lib.exe (used to create static libraries)
652 AC_CHECK_PROG([AR], [lib],[lib],,,)
653 else
654 BASIC_CHECK_TOOLS(AR, ar)
655 fi
656 BASIC_FIXUP_EXECUTABLE(AR)
657 ])
658
659 # Setup additional tools that is considered a part of the toolchain, but not the
660 # core part. Many of these are highly platform-specific and do not exist,
661 # and/or are not needed on all platforms.
662 AC_DEFUN_ONCE([TOOLCHAIN_DETECT_TOOLCHAIN_EXTRA],
663 [
664 if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
665 AC_PROG_OBJC
666 BASIC_FIXUP_EXECUTABLE(OBJC)
667 BASIC_PATH_PROGS(LIPO, lipo)
668 BASIC_FIXUP_EXECUTABLE(LIPO)
669 else
670 OBJC=
671 fi
672
673 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
674 AC_CHECK_PROG([MT], [mt], [mt],,, [/usr/bin/mt])
675 BASIC_FIXUP_EXECUTABLE(MT)
676 # Setup the resource compiler (RC)
677 AC_CHECK_PROG([RC], [rc], [rc],,, [/usr/bin/rc])
678 BASIC_FIXUP_EXECUTABLE(RC)
679 AC_CHECK_PROG([DUMPBIN], [dumpbin], [dumpbin],,,)
680 BASIC_FIXUP_EXECUTABLE(DUMPBIN)
681 # We need to check for 'msbuild.exe' because at the place where we expect to
682 # find 'msbuild.exe' there's also a directory called 'msbuild' and configure
683 # won't find the 'msbuild.exe' executable in that case (and the
684 # 'ac_executable_extensions' is unusable due to performance reasons).
685 # Notice that we intentionally don't fix up the path to MSBUILD because we
686 # will call it in a DOS shell during freetype detection on Windows (see
687 # 'LIB_SETUP_FREETYPE' in "libraries.m4"
688 AC_CHECK_PROG([MSBUILD], [msbuild.exe], [msbuild.exe],,,)
689 fi
690
691 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
692 BASIC_PATH_PROGS(STRIP, strip)
693 BASIC_FIXUP_EXECUTABLE(STRIP)
694 BASIC_PATH_PROGS(NM, nm)
695 BASIC_FIXUP_EXECUTABLE(NM)
696 BASIC_PATH_PROGS(GNM, gnm)
697 BASIC_FIXUP_EXECUTABLE(GNM)
698
699 BASIC_PATH_PROGS(MCS, mcs)
700 BASIC_FIXUP_EXECUTABLE(MCS)
701 elif test "x$OPENJDK_TARGET_OS" != xwindows; then
702 # FIXME: we should unify this with the solaris case above.
703 BASIC_CHECK_TOOLS(STRIP, strip)
704 BASIC_FIXUP_EXECUTABLE(STRIP)
705 AC_PATH_PROG(OTOOL, otool)
706 if test "x$OTOOL" = "x"; then
707 OTOOL="true"
708 fi
709 BASIC_CHECK_TOOLS(NM, nm)
710 BASIC_FIXUP_EXECUTABLE(NM)
711 GNM="$NM"
712 AC_SUBST(GNM)
713 fi
714
715 # objcopy is used for moving debug symbols to separate files when
716 # full debug symbols are enabled.
717 if test "x$OPENJDK_TARGET_OS" = xsolaris || test "x$OPENJDK_TARGET_OS" = xlinux; then
718 BASIC_CHECK_TOOLS(OBJCOPY, [gobjcopy objcopy])
719 # Only call fixup if objcopy was found.
720 if test -n "$OBJCOPY"; then
721 BASIC_FIXUP_EXECUTABLE(OBJCOPY)
722 fi
723 fi
724
725 BASIC_CHECK_TOOLS(OBJDUMP, [gobjdump objdump])
726 if test "x$OBJDUMP" != x; then
727 # Only used for compare.sh; we can live without it. BASIC_FIXUP_EXECUTABLE
728 # bails if argument is missing.
729 BASIC_FIXUP_EXECUTABLE(OBJDUMP)
730 fi
731 ])
732
733 # Setup the build tools (i.e, the compiler and linker used to build programs
734 # that should be run on the build platform, not the target platform, as a build
735 # helper). Since the non-cross-compile case uses the normal, target compilers
736 # for this, we can only do this after these have been setup.
737 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_BUILD_COMPILERS],
738 [
739 if test "x$COMPILE_TYPE" = "xcross"; then
740 # Now we need to find a C/C++ compiler that can build executables for the
741 # build platform. We can't use the AC_PROG_CC macro, since it can only be
742 # used once. Also, we need to do this without adding a tools dir to the
743 # path, otherwise we might pick up cross-compilers which don't use standard
744 # naming.
745
746 # FIXME: we should list the discovered compilers as an exclude pattern!
747 # If we do that, we can do this detection before POST_DETECTION, and still
748 # find the build compilers in the tools dir, if needed.
749 BASIC_PATH_PROGS(BUILD_CC, [cl cc gcc])
750 BASIC_FIXUP_EXECUTABLE(BUILD_CC)
751 BASIC_PATH_PROGS(BUILD_CXX, [cl CC g++])
752 BASIC_FIXUP_EXECUTABLE(BUILD_CXX)
753 BASIC_PATH_PROGS(BUILD_LD, ld)
754 BASIC_FIXUP_EXECUTABLE(BUILD_LD)
755 else
756 # If we are not cross compiling, use the normal target compilers for
757 # building the build platform executables.
758 BUILD_CC="$CC"
759 BUILD_CXX="$CXX"
760 BUILD_LD="$LD"
761 fi
762 ])
763
764 # Setup legacy variables that are still needed as alternative ways to refer to
765 # parts of the toolchain.
766 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_LEGACY],
767 [
768 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
769 # For hotspot, we need these in Windows mixed path,
770 # so rewrite them all. Need added .exe suffix.
771 HOTSPOT_CXX="$CXX.exe"
772 HOTSPOT_LD="$LD.exe"
773 HOTSPOT_MT="$MT.exe"
774 HOTSPOT_RC="$RC.exe"
775 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_CXX)
776 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_LD)
777 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_MT)
778 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_RC)
779 AC_SUBST(HOTSPOT_MT)
780 AC_SUBST(HOTSPOT_RC)
781 else
782 HOTSPOT_CXX="$CXX"
783 HOTSPOT_LD="$LD"
784 fi
785 AC_SUBST(HOTSPOT_CXX)
786 AC_SUBST(HOTSPOT_LD)
787
788 if test "x$TOOLCHAIN_TYPE" = xclang; then
789 USE_CLANG=true
790 fi
791 AC_SUBST(USE_CLANG)
792
793 # LDEXE is the linker to use, when creating executables. Not really used.
794 # FIXME: These should just be removed!
795 LDEXE="$LD"
796 LDEXECXX="$LDCXX"
797 AC_SUBST(LDEXE)
798 AC_SUBST(LDEXECXX)
799 ])
800
801 # Do some additional checks on the detected tools.
802 AC_DEFUN_ONCE([TOOLCHAIN_MISC_CHECKS],
803 [
804 # The package path is used only on macosx?
805 # FIXME: clean this up, and/or move it elsewhere.
806 PACKAGE_PATH=/opt/local
807 AC_SUBST(PACKAGE_PATH)
808
809 # Check for extra potential brokenness.
810 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
811 # On Windows, double-check that we got the right compiler.
812 CC_VERSION_OUTPUT=`$CC 2>&1 | $HEAD -n 1 | $TR -d '\r'`
813 COMPILER_CPU_TEST=`$ECHO $CC_VERSION_OUTPUT | $SED -n "s/^.* \(.*\)$/\1/p"`
814 if test "x$OPENJDK_TARGET_CPU" = "xx86"; then
815 if test "x$COMPILER_CPU_TEST" != "x80x86" -a "x$COMPILER_CPU_TEST" != "xx86"; then
816 AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "80x86" or "x86".])
817 fi
818 elif test "x$OPENJDK_TARGET_CPU" = "xx86_64"; then
819 if test "x$COMPILER_CPU_TEST" != "xx64"; then
820 AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "x64".])
821 fi
822 fi
823 fi
824
825 if test "x$TOOLCHAIN_TYPE" = xgcc; then
826 # If this is a --hash-style=gnu system, use --hash-style=both, why?
827 HAS_GNU_HASH=`$CC -dumpspecs 2>/dev/null | $GREP 'hash-style=gnu'`
828 # This is later checked when setting flags.
829 fi
830
831 # Check for broken SuSE 'ld' for which 'Only anonymous version tag is allowed
832 # in executable.'
833 USING_BROKEN_SUSE_LD=no
834 if test "x$OPENJDK_TARGET_OS" = xlinux && test "x$TOOLCHAIN_TYPE" = xgcc; then
835 AC_MSG_CHECKING([for broken SuSE 'ld' which only understands anonymous version tags in executables])
836 echo "SUNWprivate_1.1 { local: *; };" > version-script.map
837 echo "int main() { }" > main.c
838 if $CXX -Xlinker -version-script=version-script.map main.c 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD; then
839 AC_MSG_RESULT(no)
840 USING_BROKEN_SUSE_LD=no
841 else
842 AC_MSG_RESULT(yes)
843 USING_BROKEN_SUSE_LD=yes
844 fi
845 rm -rf version-script.map main.c
846 fi
847 AC_SUBST(USING_BROKEN_SUSE_LD)
848 ])
849
850 # Setup the JTReg Regression Test Harness.
851 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_JTREG],
852 [
853 AC_ARG_WITH(jtreg, [AS_HELP_STRING([--with-jtreg],
854 [Regression Test Harness @<:@probed@:>@])],
855 [],
856 [with_jtreg=no])
857
858 if test "x$with_jtreg" = xno; then
859 # jtreg disabled
860 AC_MSG_CHECKING([for jtreg])
861 AC_MSG_RESULT(no)
862 else
863 if test "x$with_jtreg" != xyes; then
864 # with path specified.
865 JT_HOME="$with_jtreg"
866 fi
867
868 if test "x$JT_HOME" != x; then
869 AC_MSG_CHECKING([for jtreg])
870
871 # use JT_HOME enviroment var.
872 BASIC_FIXUP_PATH([JT_HOME])
873
874 # jtreg win32 script works for everybody
875 JTREGEXE="$JT_HOME/bin/jtreg"
876
877 if test ! -f "$JTREGEXE"; then
878 AC_MSG_ERROR([JTReg executable does not exist: $JTREGEXE])
879 fi
880
881 AC_MSG_RESULT($JTREGEXE)
882 else
883 # try to find jtreg on path
884 BASIC_REQUIRE_PROGS(JTREGEXE, jtreg)
885 JT_HOME="`$DIRNAME $JTREGEXE`"
886 fi
887 fi
888
889 AC_SUBST(JT_HOME)
890 AC_SUBST(JTREGEXE)
891 ])
892