Wed, 11 Apr 2018 09:36:13 -0700
8035825: Warn instead of fail when calling the configure wrapper directly
Reviewed-by: ihse, dholmes, tbell
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 #
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 ########################################################################
36 # All valid toolchains, regardless of platform (used by help.m4)
37 VALID_TOOLCHAINS_all="gcc clang solstudio xlc microsoft"
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"
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++"
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 $CXX_VERSION.])
61 AC_MSG_WARN([This typically indicates a broken setup, and is not supported])
62 fi
64 # We only check CC_VERSION since we assume CXX_VERSION is equal.
65 if [ [[ "$CC_VERSION" =~ (.*\.){3} ]] ]; then
66 AC_MSG_WARN([C compiler version number has more than three parts (X.Y.Z): $CC_VERSION. Comparisons might be wrong.])
67 fi
69 if [ [[ "$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
73 $2COMPARABLE_ACTUAL_VERSION=`$AWK -F. '{ printf("%05d%05d%05d\n", [$]1, [$]2, [$]3) }' <<< "$CC_VERSION"`
74 ])
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=$1
87 if [ [[ "$REFERENCE_VERSION" =~ (.*\.){3} ]] ]; then
88 AC_MSG_ERROR([Internal error: Cannot compare to $REFERENCE_VERSION, only three parts (X.Y.Z) is supported])
89 fi
91 if [ [[ "$REFERENCE_VERSION" =~ [0-9]{6} ]] ]; then
92 AC_MSG_ERROR([Internal error: Cannot compare to $REFERENCE_VERSION, only parts < 99999 is supported])
93 fi
95 # Version comparison method inspired by http://stackoverflow.com/a/24067243
96 COMPARABLE_REFERENCE_VERSION=`$AWK -F. '{ printf("%05d%05d%05d\n", [$]1, [$]2, [$]3) }' <<< "$REFERENCE_VERSION"`
98 if test $COMPARABLE_ACTUAL_VERSION -ge $COMPARABLE_REFERENCE_VERSION ; then
99 m4_ifval([$2], [$2], [:])
100 else
101 m4_ifval([$3], [$3], [:])
102 fi
103 ])
106 # Setup a number of variables describing how native output files are
107 # named on this platform/toolchain.
108 AC_DEFUN([TOOLCHAIN_SETUP_FILENAME_PATTERNS],
109 [
110 # Define filename patterns
111 if test "x$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
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 ])
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@:>@])])
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=${VALID_TOOLCHAINS%% *}
155 if test "x$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
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=$DEFAULT_TOOLCHAIN
176 fi
177 AC_SUBST(TOOLCHAIN_TYPE)
179 TOOLCHAIN_CC_BINARY_clang="clang"
180 TOOLCHAIN_CC_BINARY_gcc="gcc"
181 TOOLCHAIN_CC_BINARY_microsoft="cl"
182 TOOLCHAIN_CC_BINARY_solstudio="cc"
183 TOOLCHAIN_CC_BINARY_xlc="xlc_r"
185 TOOLCHAIN_CXX_BINARY_clang="clang++"
186 TOOLCHAIN_CXX_BINARY_gcc="g++"
187 TOOLCHAIN_CXX_BINARY_microsoft="cl"
188 TOOLCHAIN_CXX_BINARY_solstudio="CC"
189 TOOLCHAIN_CXX_BINARY_xlc="xlC_r"
191 # Use indirect variable referencing
192 toolchain_var_name=TOOLCHAIN_DESCRIPTION_$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=${!toolchain_var_name}
199 TOOLCHAIN_SETUP_FILENAME_PATTERNS
201 if test "x$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 $DEFAULT_TOOLCHAIN.])
205 fi
206 ])
208 # Before we start detecting the toolchain executables, we might need some
209 # special setup, e.g. additional paths etc.
210 AC_DEFUN_ONCE([TOOLCHAIN_PRE_DETECTION],
211 [
212 # FIXME: Is this needed?
213 AC_LANG(C++)
215 # Store the CFLAGS etal passed to the configure script.
216 ORG_CFLAGS="$CFLAGS"
217 ORG_CXXFLAGS="$CXXFLAGS"
218 ORG_OBJCFLAGS="$OBJCFLAGS"
220 # On Windows, we need to detect the visual studio installation first.
221 # This will change the PATH, but we need to keep that new PATH even
222 # after toolchain detection is done, since the compiler (on x86) uses
223 # it for DLL resolution in runtime.
224 if test "x$OPENJDK_BUILD_OS" = "xwindows" && test "x$TOOLCHAIN_TYPE" = "xmicrosoft"; then
225 TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV
226 # Reset path to VS_PATH. It will include everything that was on PATH at the time we
227 # ran TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV.
228 PATH="$VS_PATH"
229 # The microsoft toolchain also requires INCLUDE and LIB to be set.
230 export INCLUDE="$VS_INCLUDE"
231 export LIB="$VS_LIB"
232 fi
234 # autoconf magic only relies on PATH, so update it if tools dir is specified
235 OLD_PATH="$PATH"
237 # Before we locate the compilers, we need to sanitize the Xcode build environment
238 if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
239 # determine path to Xcode developer directory
240 # can be empty in which case all the tools will rely on a sane Xcode 4 installation
241 SET_DEVELOPER_DIR=
243 if test -n "$XCODE_PATH"; then
244 DEVELOPER_DIR="$XCODE_PATH"/Contents/Developer
245 fi
247 # DEVELOPER_DIR could also be provided directly
248 AC_MSG_CHECKING([Determining if we need to set DEVELOPER_DIR])
249 if test -n "$DEVELOPER_DIR"; then
250 if test ! -d "$DEVELOPER_DIR"; then
251 AC_MSG_ERROR([Xcode Developer path does not exist: $DEVELOPER_DIR, please provide a path to the Xcode 4 application bundle using --with-xcode-path])
252 fi
253 if test ! -f "$DEVELOPER_DIR"/usr/bin/xcodebuild; then
254 AC_MSG_ERROR([Xcode Developer path is not valid: $DEVELOPER_DIR, it must point to Contents/Developer inside an Xcode application bundle])
255 fi
256 # make it visible to all the tools immediately
257 export DEVELOPER_DIR
258 SET_DEVELOPER_DIR="export DEVELOPER_DIR := $DEVELOPER_DIR"
259 AC_MSG_RESULT([yes ($DEVELOPER_DIR)])
260 else
261 AC_MSG_RESULT([no])
262 fi
263 AC_SUBST(SET_DEVELOPER_DIR)
265 AC_PATH_PROG(XCODEBUILD, xcodebuild)
266 if test -z "$XCODEBUILD"; then
267 AC_MSG_ERROR([The xcodebuild tool was not found, the Xcode command line tools are required to build on Mac OS X])
268 fi
270 # Fail-fast: verify we're building on Xcode 4, we cannot build with Xcode 5 or later
271 XCODE_VERSION=`$XCODEBUILD -version | grep '^Xcode ' | sed 's/Xcode //'`
272 XC_VERSION_PARTS=( ${XCODE_VERSION//./ } )
273 if test ! "${XC_VERSION_PARTS[[0]]}" = "4"; then
274 AC_MSG_ERROR([Xcode 4 is required to build JDK 8, the version found was $XCODE_VERSION. Use --with-xcode-path to specify the location of Xcode 4 or make Xcode 4 active by using xcode-select.])
275 fi
277 # Some versions of Xcode 5 command line tools install gcc and g++ as symlinks to
278 # clang and clang++, which will break the build. So handle that here if we need to.
279 if test -L "/usr/bin/gcc" -o -L "/usr/bin/g++"; then
280 # use xcrun to find the real gcc and add it's directory to PATH
281 # then autoconf magic will find it
282 AC_MSG_NOTICE([Found gcc symlinks to clang in /usr/bin, adding path to real gcc to PATH])
283 XCODE_BIN_PATH=$(dirname `xcrun -find gcc`)
284 PATH="$XCODE_BIN_PATH":$PATH
285 fi
287 # Determine appropriate SDKPATH, don't use SDKROOT as it interferes with the stub tools
288 AC_MSG_CHECKING([Determining Xcode SDK path])
289 # allow SDKNAME to be set to override the default SDK selection
290 SDKPATH=`"$XCODEBUILD" -sdk ${SDKNAME:-macosx} -version | grep '^Path: ' | sed 's/Path: //'`
291 if test -n "$SDKPATH"; then
292 AC_MSG_RESULT([$SDKPATH])
293 else
294 AC_MSG_RESULT([(none, will use system headers and frameworks)])
295 fi
296 AC_SUBST(SDKPATH)
298 # Perform a basic sanity test
299 if test ! -f "$SDKPATH/System/Library/Frameworks/Foundation.framework/Headers/Foundation.h"; then
300 AC_MSG_ERROR([Unable to find required framework headers, provide a valid path to Xcode 4 using --with-xcode-path])
301 fi
303 # if SDKPATH is non-empty then we need to add -isysroot and -iframework for gcc and g++
304 if test -n "$SDKPATH"; then
305 # We need -isysroot <path> and -iframework<path>/System/Library/Frameworks
306 CFLAGS_JDK="${CFLAGS_JDK} -isysroot \"$SDKPATH\" -iframework\"$SDKPATH/System/Library/Frameworks\""
307 CXXFLAGS_JDK="${CXXFLAGS_JDK} -isysroot \"$SDKPATH\" -iframework\"$SDKPATH/System/Library/Frameworks\""
308 LDFLAGS_JDK="${LDFLAGS_JDK} -isysroot \"$SDKPATH\" -iframework\"$SDKPATH/System/Library/Frameworks\""
309 fi
311 # These always need to be set, or we can't find the frameworks embedded in JavaVM.framework
312 # setting this here means it doesn't have to be peppered throughout the forest
313 CFLAGS_JDK="$CFLAGS_JDK -F\"$SDKPATH/System/Library/Frameworks/JavaVM.framework/Frameworks\""
314 CXXFLAGS_JDK="$CXXFLAGS_JDK -F\"$SDKPATH/System/Library/Frameworks/JavaVM.framework/Frameworks\""
315 LDFLAGS_JDK="$LDFLAGS_JDK -F\"$SDKPATH/System/Library/Frameworks/JavaVM.framework/Frameworks\""
316 fi
318 # For solaris we really need solaris tools, and not the GNU equivalent.
319 # The build tools on Solaris reside in /usr/ccs (C Compilation System),
320 # so add that to path before starting to probe.
321 # FIXME: This was originally only done for AS,NM,GNM,STRIP,MCS,OBJCOPY,OBJDUMP.
322 if test "x$OPENJDK_BUILD_OS" = xsolaris; then
323 PATH="/usr/ccs/bin:$PATH"
324 fi
326 # Finally add TOOLS_DIR at the beginning, to allow --with-tools-dir to
327 # override all other locations.
328 if test "x$TOOLS_DIR" != x; then
329 PATH=$TOOLS_DIR:$PATH
330 fi
332 # If a devkit is found on the builddeps server, then prepend its path to the
333 # PATH variable. If there are cross compilers available in the devkit, these
334 # will be found by AC_PROG_CC et al.
335 DEVKIT=
336 BDEPS_CHECK_MODULE(DEVKIT, devkit, xxx,
337 [
338 # Found devkit
339 PATH="$DEVKIT/bin:$PATH"
340 SYS_ROOT="$DEVKIT/${rewritten_target}/sys-root"
341 if test "x$x_includes" = "xNONE"; then
342 x_includes="$SYS_ROOT/usr/include/X11"
343 fi
344 if test "x$x_libraries" = "xNONE"; then
345 x_libraries="$SYS_ROOT/usr/lib"
346 fi
347 ],
348 [])
349 ])
351 # Restore path, etc
352 AC_DEFUN_ONCE([TOOLCHAIN_POST_DETECTION],
353 [
354 # Restore old path.
355 PATH="$OLD_PATH"
357 # Restore the flags to the user specified values.
358 # This is necessary since AC_PROG_CC defaults CFLAGS to "-g -O2"
359 CFLAGS="$ORG_CFLAGS"
360 CXXFLAGS="$ORG_CXXFLAGS"
361 OBJCFLAGS="$ORG_OBJCFLAGS"
362 ])
364 # Check if a compiler is of the toolchain type we expect, and save the version
365 # information from it. If the compiler does not match the expected type,
366 # this function will abort using AC_MSG_ERROR. If it matches, the version will
367 # be stored in CC_VERSION_NUMBER/CXX_VERSION_NUMBER (as a dotted number), and
368 # the full version string in CC_VERSION_STRING/CXX_VERSION_STRING.
369 #
370 # $1 = compiler to test (CC or CXX)
371 # $2 = human readable name of compiler (C or C++)
372 AC_DEFUN([TOOLCHAIN_EXTRACT_COMPILER_VERSION],
373 [
374 COMPILER=[$]$1
375 COMPILER_NAME=$2
377 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
378 # cc -V output typically looks like
379 # cc: Sun C 5.12 Linux_i386 2011/11/16
380 COMPILER_VERSION_OUTPUT=`$COMPILER -V 2>&1`
381 # Check that this is likely to be the Solaris Studio cc.
382 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "^.*: Sun $COMPILER_NAME" > /dev/null
383 if test $? -ne 0; then
384 ALT_VERSION_OUTPUT=`$COMPILER --version 2>&1`
385 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.])
386 AC_MSG_NOTICE([The result from running with -V was: "$COMPILER_VERSION_OUTPUT"])
387 AC_MSG_NOTICE([The result from running with --version was: "$ALT_VERSION_OUTPUT"])
388 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.])
389 fi
390 # Remove usage instructions (if present), and
391 # collapse compiler output into a single line
392 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT | \
393 $SED -e 's/ *@<:@Uu@:>@sage:.*//'`
394 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
395 $SED -e "s/^.*@<:@ ,\t@:>@$COMPILER_NAME@<:@ ,\t@:>@\(@<:@1-9@:>@\.@<:@0-9@:>@@<:@0-9@:>@*\).*/\1/"`
396 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
397 # xlc -qversion output typically looks like
398 # IBM XL C/C++ for AIX, V11.1 (5724-X13)
399 # Version: 11.01.0000.0015
400 COMPILER_VERSION_OUTPUT=`$COMPILER -qversion 2>&1`
401 # Check that this is likely to be the IBM XL C compiler.
402 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "IBM XL C" > /dev/null
403 if test $? -ne 0; then
404 ALT_VERSION_OUTPUT=`$COMPILER --version 2>&1`
405 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.])
406 AC_MSG_NOTICE([The result from running with -qversion was: "$COMPILER_VERSION_OUTPUT"])
407 AC_MSG_NOTICE([The result from running with --version was: "$ALT_VERSION_OUTPUT"])
408 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.])
409 fi
410 # Collapse compiler output into a single line
411 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT`
412 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
413 $SED -e 's/^.*, V\(@<:@1-9@:>@@<:@0-9.@:>@*\).*$/\1/'`
414 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
415 # There is no specific version flag, but all output starts with a version string.
416 # First line typically looks something like:
417 # Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 16.00.40219.01 for 80x86
418 COMPILER_VERSION_OUTPUT=`$COMPILER 2>&1 | $HEAD -n 1 | $TR -d '\r'`
419 # Check that this is likely to be Microsoft CL.EXE.
420 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "Microsoft.*Compiler" > /dev/null
421 if test $? -ne 0; then
422 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.])
423 AC_MSG_NOTICE([The result from running it was: "$COMPILER_VERSION_OUTPUT"])
424 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.])
425 fi
426 # Collapse compiler output into a single line
427 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT`
428 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
429 $SED -e 's/^.*ersion.\(@<:@1-9@:>@@<:@0-9.@:>@*\) .*$/\1/'`
430 elif test "x$TOOLCHAIN_TYPE" = xgcc; then
431 # gcc --version output typically looks like
432 # gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1
433 # Copyright (C) 2013 Free Software Foundation, Inc.
434 # This is free software; see the source for copying conditions. There is NO
435 # warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
436 COMPILER_VERSION_OUTPUT=`$COMPILER --version 2>&1`
437 # Check that this is likely to be GCC.
438 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "Free Software Foundation" > /dev/null
439 if test $? -ne 0; then
440 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.])
441 AC_MSG_NOTICE([The result from running with --version was: "$COMPILER_VERSION"])
442 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.])
443 fi
444 # Remove Copyright and legalese from version string, and
445 # collapse into a single line
446 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT | \
447 $SED -e 's/ *Copyright .*//'`
448 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
449 $SED -e 's/^.* \(@<:@1-9@:>@\.@<:@0-9.@:>@*\) .*$/\1/'`
450 elif test "x$TOOLCHAIN_TYPE" = xclang; then
451 # clang --version output typically looks like
452 # Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
453 # clang version 3.3 (tags/RELEASE_33/final)
454 # or
455 # Debian clang version 3.2-7ubuntu1 (tags/RELEASE_32/final) (based on LLVM 3.2)
456 # Target: x86_64-pc-linux-gnu
457 # Thread model: posix
458 COMPILER_VERSION_OUTPUT=`$COMPILER --version 2>&1`
459 # Check that this is likely to be clang
460 $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "clang" > /dev/null
461 if test $? -ne 0; then
462 AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.])
463 AC_MSG_NOTICE([The result from running with --version was: "$COMPILER_VERSION_OUTPUT"])
464 AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.])
465 fi
466 # Collapse compiler output into a single line
467 COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT`
468 COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
469 $SED -e 's/^.*clang version \(@<:@1-9@:>@@<:@0-9.@:>@*\).*$/\1/'`
471 else
472 AC_MSG_ERROR([Unknown toolchain type $TOOLCHAIN_TYPE.])
473 fi
474 # This sets CC_VERSION_NUMBER or CXX_VERSION_NUMBER. (This comment is a grep marker)
475 $1_VERSION_NUMBER="$COMPILER_VERSION_NUMBER"
476 # This sets CC_VERSION_STRING or CXX_VERSION_STRING. (This comment is a grep marker)
477 $1_VERSION_STRING="$COMPILER_VERSION_STRING"
479 AC_MSG_NOTICE([Using $TOOLCHAIN_TYPE $COMPILER_NAME compiler version $COMPILER_VERSION_NUMBER @<:@$COMPILER_VERSION_STRING@:>@])
480 ])
483 # Try to locate the given C or C++ compiler in the path, or otherwise.
484 #
485 # $1 = compiler to test (CC or CXX)
486 # $2 = human readable name of compiler (C or C++)
487 # $3 = list of compiler names to search for
488 AC_DEFUN([TOOLCHAIN_FIND_COMPILER],
489 [
490 COMPILER_NAME=$2
491 SEARCH_LIST="$3"
493 if test "x[$]$1" != x; then
494 # User has supplied compiler name already, always let that override.
495 AC_MSG_NOTICE([Will use user supplied compiler $1=[$]$1])
496 if test "x`basename [$]$1`" = "x[$]$1"; then
497 # A command without a complete path is provided, search $PATH.
499 AC_PATH_PROGS(POTENTIAL_$1, [$]$1)
500 if test "x$POTENTIAL_$1" != x; then
501 $1=$POTENTIAL_$1
502 else
503 AC_MSG_ERROR([User supplied compiler $1=[$]$1 could not be found])
504 fi
505 else
506 # Otherwise it might already be a complete path
507 if test ! -x "[$]$1"; then
508 AC_MSG_ERROR([User supplied compiler $1=[$]$1 does not exist])
509 fi
510 fi
511 else
512 # No user supplied value. Locate compiler ourselves.
514 # If we are cross compiling, assume cross compilation tools follows the
515 # cross compilation standard where they are prefixed with the autoconf
516 # standard name for the target. For example the binary
517 # i686-sun-solaris2.10-gcc will cross compile for i686-sun-solaris2.10.
518 # If we are not cross compiling, then the default compiler name will be
519 # used.
521 $1=
522 # If TOOLS_DIR is set, check for all compiler names in there first
523 # before checking the rest of the PATH.
524 # FIXME: Now that we prefix the TOOLS_DIR to the PATH in the PRE_DETECTION
525 # step, this should not be necessary.
526 if test -n "$TOOLS_DIR"; then
527 PATH_save="$PATH"
528 PATH="$TOOLS_DIR"
529 AC_PATH_PROGS(TOOLS_DIR_$1, $3)
530 $1=$TOOLS_DIR_$1
531 PATH="$PATH_save"
532 fi
534 # AC_PATH_PROGS can't be run multiple times with the same variable,
535 # so create a new name for this run.
536 if test "x[$]$1" = x; then
537 AC_PATH_PROGS(POTENTIAL_$1, $3)
538 $1=$POTENTIAL_$1
539 fi
541 if test "x[$]$1" = x; then
542 HELP_MSG_MISSING_DEPENDENCY([devkit])
543 AC_MSG_ERROR([Could not find a $COMPILER_NAME compiler. $HELP_MSG])
544 fi
545 fi
547 # Now we have a compiler binary in $1. Make sure it's okay.
548 BASIC_FIXUP_EXECUTABLE($1)
549 TEST_COMPILER="[$]$1"
550 # Don't remove symbolic links on AIX because 'xlc_r' and 'xlC_r' may all be links
551 # to 'xlc' but it is crucial that we invoke the compiler with the right name!
552 if test "x$OPENJDK_BUILD_OS" != xaix; then
553 # FIXME: This test should not be needed anymore; we don't do that for any platform.
554 AC_MSG_CHECKING([resolved symbolic links for $1])
555 BASIC_REMOVE_SYMBOLIC_LINKS(TEST_COMPILER)
556 AC_MSG_RESULT([$TEST_COMPILER])
557 fi
558 AC_MSG_CHECKING([if $1 is disguised ccache])
560 COMPILER_BASENAME=`$BASENAME "$TEST_COMPILER"`
561 if test "x$COMPILER_BASENAME" = "xccache"; then
562 AC_MSG_RESULT([yes, trying to find proper $COMPILER_NAME compiler])
563 # We /usr/lib/ccache in the path, so cc is a symlink to /usr/bin/ccache.
564 # We want to control ccache invocation ourselves, so ignore this cc and try
565 # searching again.
567 # Remove the path to the fake ccache cc from the PATH
568 RETRY_COMPILER_SAVED_PATH="$PATH"
569 COMPILER_DIRNAME=`$DIRNAME [$]$1`
570 PATH="`$ECHO $PATH | $SED -e "s,$COMPILER_DIRNAME,,g" -e "s,::,:,g" -e "s,^:,,g"`"
572 # Try again looking for our compiler
573 AC_CHECK_TOOLS(PROPER_COMPILER_$1, $3)
574 BASIC_FIXUP_EXECUTABLE(PROPER_COMPILER_$1)
575 PATH="$RETRY_COMPILER_SAVED_PATH"
577 AC_MSG_CHECKING([for resolved symbolic links for $1])
578 BASIC_REMOVE_SYMBOLIC_LINKS(PROPER_COMPILER_$1)
579 AC_MSG_RESULT([$PROPER_COMPILER_$1])
580 $1="$PROPER_COMPILER_$1"
581 else
582 AC_MSG_RESULT([no, keeping $1])
583 $1="$TEST_COMPILER"
584 fi
586 TOOLCHAIN_EXTRACT_COMPILER_VERSION([$1], [$COMPILER_NAME])
587 ])
589 # Detect the core components of the toolchain, i.e. the compilers (CC and CXX),
590 # preprocessor (CPP and CXXCPP), the linker (LD), the assembler (AS) and the
591 # archiver (AR). Verify that the compilers are correct according to the
592 # toolchain type.
593 AC_DEFUN_ONCE([TOOLCHAIN_DETECT_TOOLCHAIN_CORE],
594 [
595 #
596 # Setup the compilers (CC and CXX)
597 #
598 TOOLCHAIN_FIND_COMPILER([CC], [C], $TOOLCHAIN_CC_BINARY)
599 # Now that we have resolved CC ourself, let autoconf have its go at it
600 AC_PROG_CC([$CC])
602 TOOLCHAIN_FIND_COMPILER([CXX], [C++], $TOOLCHAIN_CXX_BINARY)
603 # Now that we have resolved CXX ourself, let autoconf have its go at it
604 AC_PROG_CXX([$CXX])
606 # This is the compiler version number on the form X.Y[.Z]
607 AC_SUBST(CC_VERSION_NUMBER)
608 AC_SUBST(CXX_VERSION_NUMBER)
610 TOOLCHAIN_PREPARE_FOR_VERSION_COMPARISONS
612 #
613 # Setup the preprocessor (CPP and CXXCPP)
614 #
615 AC_PROG_CPP
616 BASIC_FIXUP_EXECUTABLE(CPP)
617 AC_PROG_CXXCPP
618 BASIC_FIXUP_EXECUTABLE(CXXCPP)
620 #
621 # Setup the linker (LD)
622 #
623 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
624 # In the Microsoft toolchain we have a separate LD command "link".
625 # Make sure we reject /usr/bin/link (as determined in CYGWIN_LINK), which is
626 # a cygwin program for something completely different.
627 AC_CHECK_PROG([LD], [link],[link],,, [$CYGWIN_LINK])
628 BASIC_FIXUP_EXECUTABLE(LD)
629 # Verify that we indeed succeeded with this trick.
630 AC_MSG_CHECKING([if the found link.exe is actually the Visual Studio linker])
631 "$LD" --version > /dev/null
632 if test $? -eq 0 ; then
633 AC_MSG_RESULT([no])
634 AC_MSG_ERROR([This is the Cygwin link tool. Please check your PATH and rerun configure.])
635 else
636 AC_MSG_RESULT([yes])
637 fi
638 LDCXX="$LD"
639 else
640 # All other toolchains use the compiler to link.
641 LD="$CC"
642 LDCXX="$CXX"
643 fi
644 AC_SUBST(LD)
645 # FIXME: it should be CXXLD, according to standard (cf CXXCPP)
646 AC_SUBST(LDCXX)
648 #
649 # Setup the assembler (AS)
650 #
651 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
652 # FIXME: should this really be solaris, or solstudio?
653 BASIC_PATH_PROGS(AS, as)
654 BASIC_FIXUP_EXECUTABLE(AS)
655 else
656 # FIXME: is this correct for microsoft?
657 AS="$CC -c"
658 fi
659 AC_SUBST(AS)
661 #
662 # Setup the archiver (AR)
663 #
664 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
665 # The corresponding ar tool is lib.exe (used to create static libraries)
666 AC_CHECK_PROG([AR], [lib],[lib],,,)
667 else
668 BASIC_CHECK_TOOLS(AR, ar)
669 fi
670 BASIC_FIXUP_EXECUTABLE(AR)
671 ])
673 # Setup additional tools that is considered a part of the toolchain, but not the
674 # core part. Many of these are highly platform-specific and do not exist,
675 # and/or are not needed on all platforms.
676 AC_DEFUN_ONCE([TOOLCHAIN_DETECT_TOOLCHAIN_EXTRA],
677 [
678 if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
679 AC_PROG_OBJC
680 BASIC_FIXUP_EXECUTABLE(OBJC)
681 BASIC_PATH_PROGS(LIPO, lipo)
682 BASIC_FIXUP_EXECUTABLE(LIPO)
683 else
684 OBJC=
685 fi
687 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
688 AC_CHECK_PROG([MT], [mt], [mt],,, [/usr/bin/mt])
689 BASIC_FIXUP_EXECUTABLE(MT)
690 # Setup the resource compiler (RC)
691 AC_CHECK_PROG([RC], [rc], [rc],,, [/usr/bin/rc])
692 BASIC_FIXUP_EXECUTABLE(RC)
693 AC_CHECK_PROG([DUMPBIN], [dumpbin], [dumpbin],,,)
694 BASIC_FIXUP_EXECUTABLE(DUMPBIN)
695 fi
697 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
698 BASIC_PATH_PROGS(STRIP, strip)
699 BASIC_FIXUP_EXECUTABLE(STRIP)
700 BASIC_PATH_PROGS(NM, nm)
701 BASIC_FIXUP_EXECUTABLE(NM)
702 BASIC_PATH_PROGS(GNM, gnm)
703 BASIC_FIXUP_EXECUTABLE(GNM)
705 BASIC_PATH_PROGS(MCS, mcs)
706 BASIC_FIXUP_EXECUTABLE(MCS)
707 elif test "x$OPENJDK_TARGET_OS" != xwindows; then
708 # FIXME: we should unify this with the solaris case above.
709 BASIC_CHECK_TOOLS(STRIP, strip)
710 BASIC_FIXUP_EXECUTABLE(STRIP)
711 AC_PATH_PROG(OTOOL, otool)
712 if test "x$OTOOL" = "x"; then
713 OTOOL="true"
714 fi
715 BASIC_CHECK_TOOLS(NM, nm)
716 BASIC_FIXUP_EXECUTABLE(NM)
717 GNM="$NM"
718 AC_SUBST(GNM)
719 fi
721 # objcopy is used for moving debug symbols to separate files when
722 # full debug symbols are enabled.
723 if test "x$OPENJDK_TARGET_OS" = xsolaris || test "x$OPENJDK_TARGET_OS" = xlinux; then
724 BASIC_CHECK_TOOLS(OBJCOPY, [gobjcopy objcopy])
725 # Only call fixup if objcopy was found.
726 if test -n "$OBJCOPY"; then
727 BASIC_FIXUP_EXECUTABLE(OBJCOPY)
728 fi
729 fi
731 BASIC_CHECK_TOOLS(OBJDUMP, [gobjdump objdump])
732 if test "x$OBJDUMP" != x; then
733 # Only used for compare.sh; we can live without it. BASIC_FIXUP_EXECUTABLE
734 # bails if argument is missing.
735 BASIC_FIXUP_EXECUTABLE(OBJDUMP)
736 fi
737 ])
739 # Setup the build tools (i.e, the compiler and linker used to build programs
740 # that should be run on the build platform, not the target platform, as a build
741 # helper). Since the non-cross-compile case uses the normal, target compilers
742 # for this, we can only do this after these have been setup.
743 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_BUILD_COMPILERS],
744 [
745 if test "x$COMPILE_TYPE" = "xcross"; then
746 # Now we need to find a C/C++ compiler that can build executables for the
747 # build platform. We can't use the AC_PROG_CC macro, since it can only be
748 # used once. Also, we need to do this without adding a tools dir to the
749 # path, otherwise we might pick up cross-compilers which don't use standard
750 # naming.
752 # FIXME: we should list the discovered compilers as an exclude pattern!
753 # If we do that, we can do this detection before POST_DETECTION, and still
754 # find the build compilers in the tools dir, if needed.
755 BASIC_PATH_PROGS(BUILD_CC, [cl cc gcc])
756 BASIC_FIXUP_EXECUTABLE(BUILD_CC)
757 BASIC_PATH_PROGS(BUILD_CXX, [cl CC g++])
758 BASIC_FIXUP_EXECUTABLE(BUILD_CXX)
759 BASIC_PATH_PROGS(BUILD_LD, ld)
760 BASIC_FIXUP_EXECUTABLE(BUILD_LD)
761 else
762 # If we are not cross compiling, use the normal target compilers for
763 # building the build platform executables.
764 BUILD_CC="$CC"
765 BUILD_CXX="$CXX"
766 BUILD_LD="$LD"
767 fi
768 ])
770 # Setup legacy variables that are still needed as alternative ways to refer to
771 # parts of the toolchain.
772 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_LEGACY],
773 [
774 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
775 # For hotspot, we need these in Windows mixed path,
776 # so rewrite them all. Need added .exe suffix.
777 HOTSPOT_CXX="$CXX.exe"
778 HOTSPOT_LD="$LD.exe"
779 HOTSPOT_MT="$MT.exe"
780 HOTSPOT_RC="$RC.exe"
781 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_CXX)
782 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_LD)
783 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_MT)
784 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_RC)
785 AC_SUBST(HOTSPOT_MT)
786 AC_SUBST(HOTSPOT_RC)
787 else
788 HOTSPOT_CXX="$CXX"
789 HOTSPOT_LD="$LD"
790 fi
791 AC_SUBST(HOTSPOT_CXX)
792 AC_SUBST(HOTSPOT_LD)
794 if test "x$TOOLCHAIN_TYPE" = xclang; then
795 USE_CLANG=true
796 fi
797 AC_SUBST(USE_CLANG)
799 # LDEXE is the linker to use, when creating executables. Not really used.
800 # FIXME: These should just be removed!
801 LDEXE="$LD"
802 LDEXECXX="$LDCXX"
803 AC_SUBST(LDEXE)
804 AC_SUBST(LDEXECXX)
805 ])
807 # Do some additional checks on the detected tools.
808 AC_DEFUN_ONCE([TOOLCHAIN_MISC_CHECKS],
809 [
810 # The package path is used only on macosx?
811 # FIXME: clean this up, and/or move it elsewhere.
812 PACKAGE_PATH=/opt/local
813 AC_SUBST(PACKAGE_PATH)
815 # Check for extra potential brokenness.
816 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
817 # On Windows, double-check that we got the right compiler.
818 CC_VERSION_OUTPUT=`$CC 2>&1 | $HEAD -n 1 | $TR -d '\r'`
819 COMPILER_CPU_TEST=`$ECHO $CC_VERSION_OUTPUT | $SED -n "s/^.* \(.*\)$/\1/p"`
820 if test "x$OPENJDK_TARGET_CPU" = "xx86"; then
821 if test "x$COMPILER_CPU_TEST" != "x80x86"; then
822 AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "80x86".])
823 fi
824 elif test "x$OPENJDK_TARGET_CPU" = "xx86_64"; then
825 if test "x$COMPILER_CPU_TEST" != "xx64"; then
826 AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "x64".])
827 fi
828 fi
829 fi
831 if test "x$TOOLCHAIN_TYPE" = xgcc; then
832 # If this is a --hash-style=gnu system, use --hash-style=both, why?
833 HAS_GNU_HASH=`$CC -dumpspecs 2>/dev/null | $GREP 'hash-style=gnu'`
834 # This is later checked when setting flags.
835 fi
837 # Check for broken SuSE 'ld' for which 'Only anonymous version tag is allowed
838 # in executable.'
839 USING_BROKEN_SUSE_LD=no
840 if test "x$OPENJDK_TARGET_OS" = xlinux && test "x$TOOLCHAIN_TYPE" = xgcc; then
841 AC_MSG_CHECKING([for broken SuSE 'ld' which only understands anonymous version tags in executables])
842 echo "SUNWprivate_1.1 { local: *; };" > version-script.map
843 echo "int main() { }" > main.c
844 if $CXX -Xlinker -version-script=version-script.map main.c 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD; then
845 AC_MSG_RESULT(no)
846 USING_BROKEN_SUSE_LD=no
847 else
848 AC_MSG_RESULT(yes)
849 USING_BROKEN_SUSE_LD=yes
850 fi
851 rm -rf version-script.map main.c
852 fi
853 AC_SUBST(USING_BROKEN_SUSE_LD)
854 ])
856 # Setup the JTReg Regression Test Harness.
857 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_JTREG],
858 [
859 AC_ARG_WITH(jtreg, [AS_HELP_STRING([--with-jtreg],
860 [Regression Test Harness @<:@probed@:>@])],
861 [],
862 [with_jtreg=no])
864 if test "x$with_jtreg" = xno; then
865 # jtreg disabled
866 AC_MSG_CHECKING([for jtreg])
867 AC_MSG_RESULT(no)
868 else
869 if test "x$with_jtreg" != xyes; then
870 # with path specified.
871 JT_HOME="$with_jtreg"
872 fi
874 if test "x$JT_HOME" != x; then
875 AC_MSG_CHECKING([for jtreg])
877 # use JT_HOME enviroment var.
878 BASIC_FIXUP_PATH([JT_HOME])
880 # jtreg win32 script works for everybody
881 JTREGEXE="$JT_HOME/bin/jtreg"
883 if test ! -f "$JTREGEXE"; then
884 AC_MSG_ERROR([JTReg executable does not exist: $JTREGEXE])
885 fi
887 AC_MSG_RESULT($JTREGEXE)
888 else
889 # try to find jtreg on path
890 BASIC_REQUIRE_PROGS(JTREGEXE, jtreg)
891 JT_HOME="`$DIRNAME $JTREGEXE`"
892 fi
893 fi
895 AC_SUBST(JT_HOME)
896 AC_SUBST(JTREGEXE)
897 ])