toolchain.m4 revision 716:e7c09a983c3c 
1#
2# Copyright (c) 2011, 2012, 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# $1 = compiler to test (CC or CXX)
27# $2 = human readable name of compiler (C or C++)
28AC_DEFUN([TOOLCHAIN_CHECK_COMPILER_VERSION],
29[
30  COMPILER=[$]$1
31  COMPILER_NAME=$2
32
33  if test "x$OPENJDK_TARGET_OS" = xsolaris; then
34    # Make sure we use the Sun Studio compiler and not gcc on Solaris, which won't work
35    COMPILER_VERSION_TEST=`$COMPILER -V 2>&1 | $HEAD -n 1`
36    $ECHO $COMPILER_VERSION_TEST | $GREP "^.*: Sun $COMPILER_NAME" > /dev/null
37    if test $? -ne 0; then
38      GCC_VERSION_TEST=`$COMPILER --version 2>&1 | $HEAD -n 1`
39      
40      AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required Sun Studio compiler.])
41      AC_MSG_NOTICE([The result from running with -V was: "$COMPILER_VERSION_TEST" and with --version: "$GCC_VERSION_TEST"])
42      AC_MSG_ERROR([Sun Studio compiler is required. Try setting --with-tools-dir.])
43    else
44      COMPILER_VERSION=`$ECHO $COMPILER_VERSION_TEST | $SED -n "s/^.*@<:@ ,\t@:>@$COMPILER_NAME@<:@ ,\t@:>@\(@<:@1-9@:>@\.@<:@0-9@:>@@<:@0-9@:>@*\).*/\1/p"`
45      COMPILER_VENDOR="Sun Studio"
46    fi
47  elif test  "x$OPENJDK_TARGET_OS" = xwindows; then
48    # First line typically looks something like:
49    # Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 16.00.30319.01 for 80x86
50    COMPILER_VERSION_TEST=`$COMPILER 2>&1 | $HEAD -n 1`
51    COMPILER_VERSION=`$ECHO $COMPILER_VERSION_TEST | $SED -n "s/^.*Version \(@<:@1-9@:>@@<:@0-9.@:>@*\) .*/\1/p"`
52    COMPILER_VENDOR="Microsoft CL.EXE"
53    COMPILER_CPU_TEST=`$ECHO $COMPILER_VERSION_TEST | $SED -n "s/^.* for \(.*\)$/\1/p"`
54    if test "x$OPENJDK_TARGET_CPU" = "xx86"; then
55      if test "x$COMPILER_CPU_TEST" != "x80x86"; then
56        AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "80x86".])
57      fi
58    elif test "x$OPENJDK_TARGET_CPU" = "xx86_64"; then
59      if test "x$COMPILER_CPU_TEST" != "xx64"; then
60        AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "x64".])
61      fi
62    fi
63  else
64    COMPILER_VERSION_TEST=`$COMPILER --version 2>&1 | $HEAD -n 1`
65    # Check that this is likely to be GCC.
66    $COMPILER --version 2>&1 | $GREP "Free Software Foundation" > /dev/null
67    if test $? -ne 0; then
68      AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required GCC compiler.])
69      AC_MSG_NOTICE([The result from running with --version was: "$COMPILER_VERSION_TEST"])
70      AC_MSG_ERROR([GCC compiler is required. Try setting --with-tools-dir.])
71    fi
72    
73    # First line typically looks something like:
74    # gcc (Ubuntu/Linaro 4.5.2-8ubuntu4) 4.5.2
75    COMPILER_VERSION=`$ECHO $COMPILER_VERSION_TEST | $SED -n "s/^.* \(@<:@1-9@:>@@<:@0-9.@:>@*\)/\1/p"`
76    COMPILER_VENDOR=`$ECHO $COMPILER_VERSION_TEST | $SED -n "s/^\(.*\) @<:@1-9@:>@@<:@0-9.@:>@*/\1/p"`
77  fi
78  # This sets CC_VERSION or CXX_VERSION. (This comment is a grep marker)
79  $1_VERSION="$COMPILER_VERSION"
80  # This sets CC_VENDOR or CXX_VENDOR. (This comment is a grep marker)
81  $1_VENDOR="$COMPILER_VENDOR"
82
83  AC_MSG_NOTICE([Using $COMPILER_VENDOR $COMPILER_NAME compiler version $COMPILER_VERSION (located at $COMPILER)])
84])
85
86
87AC_DEFUN_ONCE([TOOLCHAIN_SETUP_SYSROOT_AND_OUT_OPTIONS],
88[
89###############################################################################
90#
91# Configure the development tool paths and potential sysroot.
92#
93AC_LANG(C++)
94
95# The option used to specify the target .o,.a or .so file.
96# When compiling, how to specify the to be created object file.
97CC_OUT_OPTION='-o$(SPACE)'
98# When linking, how to specify the to be created executable.
99EXE_OUT_OPTION='-o$(SPACE)'
100# When linking, how to specify the to be created dynamically linkable library.
101LD_OUT_OPTION='-o$(SPACE)'
102# When archiving, how to specify the to be create static archive for object files.
103AR_OUT_OPTION='rcs$(SPACE)'
104AC_SUBST(CC_OUT_OPTION)
105AC_SUBST(EXE_OUT_OPTION)
106AC_SUBST(LD_OUT_OPTION)
107AC_SUBST(AR_OUT_OPTION)
108])
109
110# $1 = compiler to test (CC or CXX)
111# $2 = human readable name of compiler (C or C++)
112# $3 = list of compiler names to search for
113AC_DEFUN([TOOLCHAIN_FIND_COMPILER],
114[
115  COMPILER_NAME=$2
116
117  $1=
118  # If TOOLS_DIR is set, check for all compiler names in there first
119  # before checking the rest of the PATH.
120  if test -n "$TOOLS_DIR"; then
121    PATH_save="$PATH"
122    PATH="$TOOLS_DIR"
123    AC_PATH_PROGS(TOOLS_DIR_$1, $3)
124    $1=$TOOLS_DIR_$1
125    PATH="$PATH_save"
126  fi
127
128  # AC_PATH_PROGS can't be run multiple times with the same variable,
129  # so create a new name for this run.
130  if test "x[$]$1" = x; then
131    AC_PATH_PROGS(POTENTIAL_$1, $3)
132    $1=$POTENTIAL_$1
133  fi
134
135  if test "x[$]$1" = x; then
136      HELP_MSG_MISSING_DEPENDENCY([devkit])
137      AC_MSG_ERROR([Could not find a $COMPILER_NAME compiler. $HELP_MSG])
138  fi
139  BASIC_FIXUP_EXECUTABLE($1)
140  AC_MSG_CHECKING([resolved symbolic links for $1])
141  TEST_COMPILER="[$]$1"
142  BASIC_REMOVE_SYMBOLIC_LINKS(TEST_COMPILER)
143  AC_MSG_RESULT([$TEST_COMPILER])
144  AC_MSG_CHECKING([if $1 is disguised ccache])
145  
146  COMPILER_BASENAME=`$BASENAME "$TEST_COMPILER"`
147  if test "x$COMPILER_BASENAME" = "xccache"; then
148    AC_MSG_RESULT([yes, trying to find proper $COMPILER_NAME compiler])
149    # We /usr/lib/ccache in the path, so cc is a symlink to /usr/bin/ccache.
150    # We want to control ccache invocation ourselves, so ignore this cc and try
151    # searching again.
152
153    # Remove the path to the fake ccache cc from the PATH
154    RETRY_COMPILER_SAVED_PATH="$PATH"
155    COMPILER_DIRNAME=`$DIRNAME [$]$1`
156    PATH="`$ECHO $PATH | $SED -e "s,$COMPILER_DIRNAME,,g" -e "s,::,:,g" -e "s,^:,,g"`"
157
158    # Try again looking for our compiler
159    AC_CHECK_TOOLS(PROPER_COMPILER_$1, $3)
160    BASIC_FIXUP_EXECUTABLE(PROPER_COMPILER_$1)
161    PATH="$RETRY_COMPILER_SAVED_PATH"
162
163    AC_MSG_CHECKING([for resolved symbolic links for $1])
164    BASIC_REMOVE_SYMBOLIC_LINKS(PROPER_COMPILER_$1)
165    AC_MSG_RESULT([$PROPER_COMPILER_$1])
166    $1="$PROPER_COMPILER_$1"
167  else
168    AC_MSG_RESULT([no, keeping $1])
169    $1="$TEST_COMPILER"
170  fi
171  TOOLCHAIN_CHECK_COMPILER_VERSION([$1], [$COMPILER_NAME])
172])
173
174
175AC_DEFUN([TOOLCHAIN_SETUP_PATHS],
176[
177if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
178  TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV
179  TOOLCHAIN_SETUP_DXSDK
180fi
181
182AC_SUBST(MSVCR_DLL)
183
184# If --build AND --host is set, then the configure script will find any
185# cross compilation tools in the PATH. Cross compilation tools
186# follows the cross compilation standard where they are prefixed with ${host}.
187# For example the binary i686-sun-solaris2.10-gcc
188# will cross compile for i686-sun-solaris2.10
189# If neither of build and host is not set, then build=host and the
190# default compiler found in the path will be used.
191# Setting only --host, does not seem to be really supported.
192# Please set both --build and --host if you want to cross compile.
193
194if test "x$COMPILE_TYPE" = "xcross"; then
195    # Now we to find a C/C++ compiler that can build executables for the build
196    # platform. We can't use the AC_PROG_CC macro, since it can only be used
197    # once. Also, we need to do this before adding a tools dir to the path,
198    # otherwise we might pick up cross-compilers which don't use standard naming.
199    # Otherwise, we'll set the BUILD_tools to the native tools, but that'll have
200    # to wait until they are properly discovered.
201    AC_PATH_PROGS(BUILD_CC, [cl cc gcc])
202    BASIC_FIXUP_EXECUTABLE(BUILD_CC)
203    AC_PATH_PROGS(BUILD_CXX, [cl CC g++])
204    BASIC_FIXUP_EXECUTABLE(BUILD_CXX)
205    AC_PATH_PROG(BUILD_LD, ld)
206    BASIC_FIXUP_EXECUTABLE(BUILD_LD)
207fi
208AC_SUBST(BUILD_CC)
209AC_SUBST(BUILD_CXX)
210AC_SUBST(BUILD_LD)
211
212# If a devkit is found on the builddeps server, then prepend its path to the
213# PATH variable. If there are cross compilers available in the devkit, these
214# will be found by AC_PROG_CC et al.
215DEVKIT=
216BDEPS_CHECK_MODULE(DEVKIT, devkit, xxx,
217                    [# Found devkit
218                     PATH="$DEVKIT/bin:$PATH"
219                     SYS_ROOT="$DEVKIT/${rewritten_target}/sys-root"
220                     if test "x$x_includes" = "xNONE"; then
221                         x_includes="$SYS_ROOT/usr/include/X11"
222                     fi
223                     if test "x$x_libraries" = "xNONE"; then
224                         x_libraries="$SYS_ROOT/usr/lib"
225                     fi
226                    ],
227                    [])
228
229if test "x$SYS_ROOT" != "x/" ; then                    
230    CFLAGS="--sysroot=$SYS_ROOT $CFLAGS"
231    CXXFLAGS="--sysroot=$SYS_ROOT $CXXFLAGS"
232    OBJCFLAGS="--sysroot=$SYS_ROOT $OBJCFLAGS" 
233    OBJCXXFLAGS="--sysroot=$SYS_ROOT $OBJCFLAGS" 
234    CPPFLAGS="--sysroot=$SYS_ROOT $CPPFLAGS"
235    LDFLAGS="--sysroot=$SYS_ROOT $LDFLAGS"
236fi
237
238# Store the CFLAGS etal passed to the configure script.
239ORG_CFLAGS="$CFLAGS"
240ORG_CXXFLAGS="$CXXFLAGS"
241ORG_OBJCFLAGS="$OBJCFLAGS"
242
243# autoconf magic only relies on PATH, so update it if tools dir is specified
244OLD_PATH="$PATH"
245if test "x$TOOLS_DIR" != x; then
246  PATH=$TOOLS_DIR:$PATH
247fi
248
249
250### Locate C compiler (CC)
251
252# On windows, only cl.exe is supported.
253# On Solaris, cc is preferred to gcc.
254# Elsewhere, gcc is preferred to cc.
255
256if test "x$CC" != x; then
257  COMPILER_CHECK_LIST="$CC"
258elif test "x$OPENJDK_TARGET_OS" = "xwindows"; then
259  COMPILER_CHECK_LIST="cl"
260elif test "x$OPENJDK_TARGET_OS" = "xsolaris"; then
261  COMPILER_CHECK_LIST="cc gcc"
262else
263  COMPILER_CHECK_LIST="gcc cc"
264fi
265
266TOOLCHAIN_FIND_COMPILER([CC],[C],[$COMPILER_CHECK_LIST])
267# Now that we have resolved CC ourself, let autoconf have its go at it
268AC_PROG_CC([$CC])
269
270### Locate C++ compiler (CXX)
271
272if test "x$CXX" != x; then
273  COMPILER_CHECK_LIST="$CXX"
274elif test "x$OPENJDK_TARGET_OS" = "xwindows"; then
275  COMPILER_CHECK_LIST="cl"
276elif test "x$OPENJDK_TARGET_OS" = "xsolaris"; then
277  COMPILER_CHECK_LIST="CC g++"
278else
279  COMPILER_CHECK_LIST="g++ CC"
280fi
281
282TOOLCHAIN_FIND_COMPILER([CXX],[C++],[$COMPILER_CHECK_LIST])
283# Now that we have resolved CXX ourself, let autoconf have its go at it
284AC_PROG_CXX([$CXX])
285
286### Locate other tools
287
288if test "x$OPENJDK_TARGET_OS" = xmacosx; then
289    AC_PROG_OBJC
290    BASIC_FIXUP_EXECUTABLE(OBJC)
291else
292    OBJC=
293fi
294
295# Restore the flags to the user specified values.
296# This is necessary since AC_PROG_CC defaults CFLAGS to "-g -O2"
297CFLAGS="$ORG_CFLAGS"
298CXXFLAGS="$ORG_CXXFLAGS"
299OBJCFLAGS="$ORG_OBJCFLAGS"
300
301LD="$CC"
302LDEXE="$CC"
303LDCXX="$CXX"
304LDEXECXX="$CXX"
305AC_SUBST(LD)
306# LDEXE is the linker to use, when creating executables.
307AC_SUBST(LDEXE)
308# Linking C++ libraries.
309AC_SUBST(LDCXX)
310# Linking C++ executables.
311AC_SUBST(LDEXECXX)
312
313if test "x$OPENJDK_TARGET_OS" != xwindows; then
314    AC_CHECK_TOOL(AR, ar)
315    BASIC_FIXUP_EXECUTABLE(AR)
316fi
317if test "x$OPENJDK_TARGET_OS" = xmacosx; then
318    ARFLAGS="-r"
319else
320    ARFLAGS=""
321fi
322AC_SUBST(ARFLAGS)
323
324# For hotspot, we need these in Windows mixed path; other platforms keep them the same
325HOTSPOT_CXX="$CXX"
326HOTSPOT_LD="$LD"
327AC_SUBST(HOTSPOT_CXX)
328AC_SUBST(HOTSPOT_LD)
329
330COMPILER_NAME=gcc
331COMPILER_TYPE=CC
332AS_IF([test "x$OPENJDK_TARGET_OS" = xwindows], [
333    # For now, assume that we are always compiling using cl.exe. 
334    CC_OUT_OPTION=-Fo
335    EXE_OUT_OPTION=-out:
336    LD_OUT_OPTION=-out:
337    AR_OUT_OPTION=-out:
338    # On Windows, reject /usr/bin/link (as determined in CYGWIN_LINK), which is a cygwin
339    # program for something completely different.
340    AC_CHECK_PROG([WINLD], [link],[link],,, [$CYGWIN_LINK])
341    # Since we must ignore the first found link, WINLD will contain
342    # the full path to the link.exe program.
343    BASIC_FIXUP_EXECUTABLE(WINLD)
344    printf "Windows linker was found at $WINLD\n"
345    AC_MSG_CHECKING([if the found link.exe is actually the Visual Studio linker])
346    "$WINLD" --version > /dev/null
347    if test $? -eq 0 ; then
348      AC_MSG_RESULT([no])
349      AC_MSG_ERROR([This is the Cygwin link tool. Please check your PATH and rerun configure.])
350    else
351      AC_MSG_RESULT([yes])
352    fi
353    LD="$WINLD"
354    LDEXE="$WINLD"
355    LDCXX="$WINLD"
356    LDEXECXX="$WINLD"
357
358    AC_CHECK_PROG([MT], [mt], [mt],,, [/usr/bin/mt])
359    BASIC_FIXUP_EXECUTABLE(MT)
360    # The resource compiler
361    AC_CHECK_PROG([RC], [rc], [rc],,, [/usr/bin/rc])
362    BASIC_FIXUP_EXECUTABLE(RC)
363
364    # For hotspot, we need these in Windows mixed path,
365    # so rewrite them all. Need added .exe suffix.
366    HOTSPOT_CXX="$CXX.exe"
367    HOTSPOT_LD="$LD.exe"
368    HOTSPOT_MT="$MT.exe"
369    HOTSPOT_RC="$RC.exe"
370    BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_CXX)
371    BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_LD)
372    BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_MT)
373    BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_RC)
374    AC_SUBST(HOTSPOT_MT)
375    AC_SUBST(HOTSPOT_RC)
376
377    RC_FLAGS="-nologo -l 0x409 -r"
378    AS_IF([test "x$VARIANT" = xOPT], [
379        RC_FLAGS="$RC_FLAGS -d NDEBUG"
380    ])
381    JDK_UPDATE_VERSION_NOTNULL=$JDK_UPDATE_VERSION
382    AS_IF([test "x$JDK_UPDATE_VERSION" = x], [
383        JDK_UPDATE_VERSION_NOTNULL=0
384    ])
385    RC_FLAGS="$RC_FLAGS -d \"JDK_BUILD_ID=$FULL_VERSION\""
386    RC_FLAGS="$RC_FLAGS -d \"JDK_COMPANY=$COMPANY_NAME\""
387    RC_FLAGS="$RC_FLAGS -d \"JDK_COMPONENT=$PRODUCT_NAME $JDK_RC_PLATFORM_NAME binary\""
388    RC_FLAGS="$RC_FLAGS -d \"JDK_VER=$JDK_MINOR_VERSION.$JDK_MICRO_VERSION.$JDK_UPDATE_VERSION_NOTNULL.$COOKED_BUILD_NUMBER\""
389    RC_FLAGS="$RC_FLAGS -d \"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\""
390    RC_FLAGS="$RC_FLAGS -d \"JDK_NAME=$PRODUCT_NAME $JDK_RC_PLATFORM_NAME $JDK_MINOR_VERSION $JDK_UPDATE_META_TAG\""
391    RC_FLAGS="$RC_FLAGS -d \"JDK_FVER=$JDK_MINOR_VERSION,$JDK_MICRO_VERSION,$JDK_UPDATE_VERSION_NOTNULL,$COOKED_BUILD_NUMBER\""
392
393    # lib.exe is used to create static libraries.
394    AC_CHECK_PROG([WINAR], [lib],[lib],,,)
395    BASIC_FIXUP_EXECUTABLE(WINAR)
396    AR="$WINAR"
397    ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT"
398
399    AC_CHECK_PROG([DUMPBIN], [dumpbin], [dumpbin],,,)
400    BASIC_FIXUP_EXECUTABLE(DUMPBIN)
401
402    COMPILER_TYPE=CL
403    CCXXFLAGS="$CCXXFLAGS -nologo"
404])
405AC_SUBST(RC_FLAGS)
406AC_SUBST(COMPILER_TYPE)
407
408AC_PROG_CPP
409BASIC_FIXUP_EXECUTABLE(CPP)
410
411AC_PROG_CXXCPP
412BASIC_FIXUP_EXECUTABLE(CXXCPP)
413
414if test "x$COMPILE_TYPE" != "xcross"; then
415    # If we are not cross compiling, use the same compilers for
416    # building the build platform executables. The cross-compilation
417    # case needed to be done earlier, but this can only be done after
418    # the native tools have been localized.
419    BUILD_CC="$CC"
420    BUILD_CXX="$CXX"
421    BUILD_LD="$LD"
422fi
423
424# for solaris we really need solaris tools, and not gnu equivalent
425#   these seems to normally reside in /usr/ccs/bin so add that to path before
426#   starting to probe
427#
428#   NOTE: I add this /usr/ccs/bin after TOOLS but before OLD_PATH
429#         so that it can be overriden --with-tools-dir
430if test "x$OPENJDK_BUILD_OS" = xsolaris; then
431    PATH="${TOOLS_DIR}:/usr/ccs/bin:${OLD_PATH}"
432fi
433
434# Find the right assembler.
435if test "x$OPENJDK_TARGET_OS" = xsolaris; then
436    AC_PATH_PROG(AS, as)
437    BASIC_FIXUP_EXECUTABLE(AS)
438else
439    AS="$CC -c"
440fi
441AC_SUBST(AS)
442
443if test "x$OPENJDK_TARGET_OS" = xsolaris; then
444    AC_PATH_PROG(NM, nm)
445    BASIC_FIXUP_EXECUTABLE(NM)
446    AC_PATH_PROG(GNM, gnm)
447    BASIC_FIXUP_EXECUTABLE(GNM)
448    AC_PATH_PROG(STRIP, strip)
449    BASIC_FIXUP_EXECUTABLE(STRIP)
450    AC_PATH_PROG(MCS, mcs)
451    BASIC_FIXUP_EXECUTABLE(MCS)
452elif test "x$OPENJDK_TARGET_OS" != xwindows; then
453    AC_CHECK_TOOL(NM, nm)
454    BASIC_FIXUP_EXECUTABLE(NM)
455    GNM="$NM"
456    AC_SUBST(GNM)
457    AC_CHECK_TOOL(STRIP, strip)
458    BASIC_FIXUP_EXECUTABLE(STRIP)
459fi
460
461# objcopy is used for moving debug symbols to separate files when
462# full debug symbols are enabled.
463if test "x$OPENJDK_TARGET_OS" = xsolaris || test "x$OPENJDK_TARGET_OS" = xlinux; then
464    AC_CHECK_TOOLS(OBJCOPY, [gobjcopy objcopy])
465    # Only call fixup if objcopy was found.
466    if test -n "$OBJCOPY"; then
467        BASIC_FIXUP_EXECUTABLE(OBJCOPY)
468    fi
469fi
470
471AC_CHECK_TOOLS(OBJDUMP, [gobjdump objdump])
472if test "x$OBJDUMP" != x; then
473  # Only used for compare.sh; we can live without it. BASIC_FIXUP_EXECUTABLE bails if argument is missing.
474  BASIC_FIXUP_EXECUTABLE(OBJDUMP)
475fi
476
477if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
478   AC_PATH_PROG(LIPO, lipo)
479   BASIC_FIXUP_EXECUTABLE(LIPO)
480fi
481
482TOOLCHAIN_SETUP_JTREG
483
484# Restore old path without tools dir
485PATH="$OLD_PATH"
486])
487
488
489AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_LIBS],
490[
491
492###############################################################################
493#
494# How to compile shared libraries. 
495#
496
497if test "x$GCC" = xyes; then
498    COMPILER_NAME=gcc
499    PICFLAG="-fPIC"
500    LIBRARY_PREFIX=lib
501    SHARED_LIBRARY='lib[$]1.so'
502    STATIC_LIBRARY='lib[$]1.a'
503    SHARED_LIBRARY_FLAGS="-shared"
504    SHARED_LIBRARY_SUFFIX='.so'
505    STATIC_LIBRARY_SUFFIX='.a'
506    OBJ_SUFFIX='.o'
507    EXE_SUFFIX=''
508    SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1'
509    SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1'
510    C_FLAG_REORDER=''
511    CXX_FLAG_REORDER=''
512    SET_SHARED_LIBRARY_ORIGIN='-Xlinker -z -Xlinker origin -Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'
513    SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'
514    LD="$CC"
515    LDEXE="$CC"
516    LDCXX="$CXX"
517    LDEXECXX="$CXX"
518    POST_STRIP_CMD="$STRIP -g"
519
520    # Linking is different on MacOSX
521    if test "x$OPENJDK_TARGET_OS" = xmacosx; then
522        # Might change in the future to clang.
523        COMPILER_NAME=gcc
524        SHARED_LIBRARY='lib[$]1.dylib'
525        SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG"
526        SHARED_LIBRARY_SUFFIX='.dylib'
527        EXE_SUFFIX=''
528        SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1' 
529        SET_SHARED_LIBRARY_MAPFILE=''
530        SET_SHARED_LIBRARY_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.'
531        SET_EXECUTABLE_ORIGIN="$SET_SHARED_LIBRARY_ORIGIN"
532        POST_STRIP_CMD="$STRIP -S"
533    fi
534else
535    if test "x$OPENJDK_TARGET_OS" = xsolaris; then
536        # If it is not gcc, then assume it is the Oracle Solaris Studio Compiler
537        COMPILER_NAME=ossc
538        PICFLAG="-KPIC"
539        LIBRARY_PREFIX=lib
540        SHARED_LIBRARY='lib[$]1.so'
541        STATIC_LIBRARY='lib[$]1.a'
542        SHARED_LIBRARY_FLAGS="-G"
543        SHARED_LIBRARY_SUFFIX='.so'
544        STATIC_LIBRARY_SUFFIX='.a'
545        OBJ_SUFFIX='.o'
546        EXE_SUFFIX=''
547        SET_SHARED_LIBRARY_NAME=''
548        SET_SHARED_LIBRARY_MAPFILE='-M[$]1'
549	C_FLAG_REORDER='-xF'
550	CXX_FLAG_REORDER='-xF'
551        SET_SHARED_LIBRARY_ORIGIN='-R\$$$$ORIGIN[$]1'
552        SET_EXECUTABLE_ORIGIN="$SET_SHARED_LIBRARY_ORIGIN"
553        CFLAGS_JDK="${CFLAGS_JDK} -D__solaris__"
554        CXXFLAGS_JDK="${CXXFLAGS_JDK} -D__solaris__"
555        CFLAGS_JDKLIB_EXTRA='-xstrconst'
556        POST_STRIP_CMD="$STRIP -x"
557        POST_MCS_CMD="$MCS -d -a \"JDK $FULL_VERSION\""
558    fi
559    if test "x$OPENJDK_TARGET_OS" = xwindows; then
560        # If it is not gcc, then assume it is the MS Visual Studio compiler
561        COMPILER_NAME=cl
562        PICFLAG=""
563        LIBRARY_PREFIX=
564        SHARED_LIBRARY='[$]1.dll'
565        STATIC_LIBRARY='[$]1.lib'
566        SHARED_LIBRARY_FLAGS="-LD"
567        SHARED_LIBRARY_SUFFIX='.dll'
568        STATIC_LIBRARY_SUFFIX='.lib'
569        OBJ_SUFFIX='.obj'
570        EXE_SUFFIX='.exe'
571        SET_SHARED_LIBRARY_NAME=''
572        SET_SHARED_LIBRARY_MAPFILE=''
573        SET_SHARED_LIBRARY_ORIGIN=''
574        SET_EXECUTABLE_ORIGIN=''
575    fi
576fi
577
578AC_SUBST(COMPILER_NAME)
579AC_SUBST(OBJ_SUFFIX)
580AC_SUBST(SHARED_LIBRARY)
581AC_SUBST(STATIC_LIBRARY)
582AC_SUBST(LIBRARY_PREFIX)
583AC_SUBST(SHARED_LIBRARY_SUFFIX)
584AC_SUBST(STATIC_LIBRARY_SUFFIX)
585AC_SUBST(EXE_SUFFIX)
586AC_SUBST(SHARED_LIBRARY_FLAGS)
587AC_SUBST(SET_SHARED_LIBRARY_NAME)
588AC_SUBST(SET_SHARED_LIBRARY_MAPFILE)
589AC_SUBST(C_FLAG_REORDER)
590AC_SUBST(CXX_FLAG_REORDER)
591AC_SUBST(SET_SHARED_LIBRARY_ORIGIN)
592AC_SUBST(SET_EXECUTABLE_ORIGIN)
593AC_SUBST(POST_STRIP_CMD)
594AC_SUBST(POST_MCS_CMD)
595
596# The (cross) compiler is now configured, we can now test capabilities
597# of the target platform.
598])
599
600AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION],
601[
602
603###############################################################################
604#
605# Setup the opt flags for different compilers
606# and different operating systems.
607#
608
609#
610# NOTE: check for -mstackrealign needs to be below potential addition of -m32
611#
612if test "x$OPENJDK_TARGET_CPU_BITS" = x32 && test "x$OPENJDK_TARGET_OS" = xmacosx; then
613    # On 32-bit MacOSX the OS requires C-entry points to be 16 byte aligned.
614    # While waiting for a better solution, the current workaround is to use -mstackrealign.
615    CFLAGS="$CFLAGS -mstackrealign"
616    AC_MSG_CHECKING([if 32-bit compiler supports -mstackrealign])
617    AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])],
618                   [
619		        AC_MSG_RESULT([yes])
620                   ],
621	           [
622		        AC_MSG_RESULT([no])
623	                AC_MSG_ERROR([The selected compiler $CXX does not support -mstackrealign! Try to put another compiler in the path.])
624	           ])
625fi
626
627C_FLAG_DEPS="-MMD -MF"
628CXX_FLAG_DEPS="-MMD -MF"
629
630case $COMPILER_TYPE in
631  CC )
632    D_FLAG="-g"
633    case $COMPILER_NAME in
634      gcc )
635      	case $OPENJDK_TARGET_OS in
636	  macosx )
637	    # On MacOSX we optimize for size, something
638	    # we should do for all platforms?
639	    C_O_FLAG_HI="-Os"
640	    C_O_FLAG_NORM="-Os"
641	    C_O_FLAG_NONE=""
642	    ;;
643	  *)
644	    C_O_FLAG_HI="-O3"
645	    C_O_FLAG_NORM="-O2"
646	    C_O_FLAG_NONE="-O0"
647	    CFLAGS_DEBUG_SYMBOLS="-g"
648	    CXXFLAGS_DEBUG_SYMBOLS="-g"
649	    if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then
650	       CFLAGS_DEBUG_SYMBOLS="-g1"
651	       CXXFLAGS_DEBUG_SYMBOLS="-g1"
652	    fi
653	    ;;
654	esac
655        CXX_O_FLAG_HI="$C_O_FLAG_HI"
656        CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
657        CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
658        ;;
659      ossc )
660        #
661        # Forte has different names for this with their C++ compiler...
662        #
663        C_FLAG_DEPS="-xMMD -xMF"
664        CXX_FLAG_DEPS="-xMMD -xMF"
665
666        # Extra options used with HIGHEST
667        #
668        # WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be
669        #          done with care, there are some assumptions below that need to
670        #          be understood about the use of pointers, and IEEE behavior.
671        #
672        # Use non-standard floating point mode (not IEEE 754)
673        CC_HIGHEST="$CC_HIGHEST -fns"
674        # Do some simplification of floating point arithmetic (not IEEE 754)
675        CC_HIGHEST="$CC_HIGHEST -fsimple"
676        # Use single precision floating point with 'float'
677        CC_HIGHEST="$CC_HIGHEST -fsingle"
678        # Assume memory references via basic pointer types do not alias
679        #   (Source with excessing pointer casting and data access with mixed 
680        #    pointer types are not recommended)
681        CC_HIGHEST="$CC_HIGHEST -xalias_level=basic"
682        # Use intrinsic or inline versions for math/std functions
683        #   (If you expect perfect errno behavior, do not use this)
684        CC_HIGHEST="$CC_HIGHEST -xbuiltin=%all"
685        # Loop data dependency optimizations (need -xO3 or higher)
686        CC_HIGHEST="$CC_HIGHEST -xdepend"
687        # Pointer parameters to functions do not overlap
688        #   (Similar to -xalias_level=basic usage, but less obvious sometimes.
689        #    If you pass in multiple pointers to the same data, do not use this)
690        CC_HIGHEST="$CC_HIGHEST -xrestrict"
691        # Inline some library routines
692        #   (If you expect perfect errno behavior, do not use this)
693        CC_HIGHEST="$CC_HIGHEST -xlibmil"
694        # Use optimized math routines
695        #   (If you expect perfect errno behavior, do not use this)
696        #  Can cause undefined external on Solaris 8 X86 on __sincos, removing for now
697        #CC_HIGHEST="$CC_HIGHEST -xlibmopt"
698
699        if test "x$OPENJDK_TARGET_CPU" = xsparc; then
700          CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s"
701          CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s"
702        fi
703
704        case $OPENJDK_TARGET_CPU_ARCH in
705          x86)
706            C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xregs=no%frameptr"
707            C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr"
708            C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr"
709            C_O_FLAG_NONE="-xregs=no%frameptr"
710            CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr"
711            CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr"
712            CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr"
713            CXX_O_FLAG_NONE="-xregs=no%frameptr"
714            if test "x$OPENJDK_TARGET_CPU" = xx86; then
715               C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium"
716               CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium"
717            fi
718            ;;
719          sparc)
720            CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
721            CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
722            C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
723            C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0"
724            C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0"
725            C_O_FLAG_NONE=""
726            CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
727            CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
728            CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
729            CXX_O_FLAG_NONE=""
730            ;;
731        esac
732
733    CFLAGS_DEBUG_SYMBOLS="-g -xs"
734    CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs"
735    esac
736    ;;
737  CL )
738    D_FLAG=
739    C_O_FLAG_HIGHEST="-O2"
740    C_O_FLAG_HI="-O1"
741    C_O_FLAG_NORM="-O1"
742    C_O_FLAG_NONE="-Od"
743    CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST"
744    CXX_O_FLAG_HI="$C_O_FLAG_HI"
745    CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
746    CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
747    ;;
748esac
749
750if test -z "$C_O_FLAG_HIGHEST"; then
751   C_O_FLAG_HIGHEST="$C_O_FLAG_HI"
752fi
753
754if test -z "$CXX_O_FLAG_HIGHEST"; then
755   CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HI"
756fi
757
758AC_SUBST(C_O_FLAG_HIGHEST)
759AC_SUBST(C_O_FLAG_HI)
760AC_SUBST(C_O_FLAG_NORM)
761AC_SUBST(C_O_FLAG_NONE)
762AC_SUBST(CXX_O_FLAG_HIGHEST)
763AC_SUBST(CXX_O_FLAG_HI)
764AC_SUBST(CXX_O_FLAG_NORM)
765AC_SUBST(CXX_O_FLAG_NONE)
766AC_SUBST(C_FLAG_DEPS)
767AC_SUBST(CXX_FLAG_DEPS)
768])
769
770AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_JDK],
771[
772
773if test "x$CFLAGS" != "x${ADDED_CFLAGS}"; then
774   AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags])
775fi
776
777if test "x$CXXFLAGS" != "x${ADDED_CXXFLAGS}"; then
778   AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags])
779fi
780
781if test "x$LDFLAGS" != "x${ADDED_LDFLAGS}"; then
782   AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags])
783fi
784
785AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags],
786    [extra flags to be used when compiling jdk c-files])])
787
788AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags],
789    [extra flags to be used when compiling jdk c++-files])])
790
791AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags],
792    [extra flags to be used when linking jdk])])
793
794CFLAGS_JDK="${CFLAGS_JDK} $with_extra_cflags"
795CXXFLAGS_JDK="${CXXFLAGS_JDK} $with_extra_cxxflags"
796LDFLAGS_JDK="${LDFLAGS_JDK} $with_extra_ldflags"
797
798# Hotspot needs these set in their legacy form
799LEGACY_EXTRA_CFLAGS=$with_extra_cflags
800LEGACY_EXTRA_CXXFLAGS=$with_extra_cxxflags
801LEGACY_EXTRA_LDFLAGS=$with_extra_ldflags
802
803AC_SUBST(LEGACY_EXTRA_CFLAGS)
804AC_SUBST(LEGACY_EXTRA_CXXFLAGS)
805AC_SUBST(LEGACY_EXTRA_LDFLAGS)
806
807###############################################################################
808#
809# Now setup the CFLAGS and LDFLAGS for the JDK build.
810# Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build.
811#
812case $COMPILER_NAME in
813      gcc )
814      	  CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -W -Wall -Wno-unused -Wno-parentheses \
815                          -pipe \
816                          -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
817	  case $OPENJDK_TARGET_CPU_ARCH in
818	  arm )
819            # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing
820	    CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
821	  ;;
822	  ppc )
823            # on ppc we don't prevent gcc to omit frame pointer nor strict-aliasing
824	  ;;
825	  * )
826	    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -fno-omit-frame-pointer"
827	    CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
828          ;;
829	  esac
830          ;;
831      ossc )
832          CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS"
833          case $OPENJDK_TARGET_CPU_ARCH in
834          x86 )
835            CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB"
836       	    CFLAGS_JDK="$CFLAGS_JDK -erroff=E_BAD_PRAGMA_PACK_VALUE"
837          ;;
838          esac
839
840      	  CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal"
841      	  CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib"
842
843          LDFLAGS_JDK="$LDFLAGS_JDK -z defs -xildoff -ztext"
844          LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib"
845          ;;
846      cl )
847          CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Zi -MD -Zc:wchar_t- -W3 -wd4800 \
848               -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB -DWIN32_LEAN_AND_MEAN \
849	       -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \
850	       -DWIN32 -DIAL"
851          case $OPENJDK_TARGET_CPU in
852              x86 )
853                  CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_X86_ -Dx86"
854                  ;;
855              x86_64 )
856                  CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_AMD64_ -Damd64"
857                  ;;
858          esac
859          ;;
860esac
861
862###############################################################################
863
864CCXXFLAGS_JDK="$CCXXFLAGS_JDK $ADD_LP64"
865
866# The package path is used only on macosx?
867PACKAGE_PATH=/opt/local
868AC_SUBST(PACKAGE_PATH)
869
870if test "x$OPENJDK_TARGET_CPU_ENDIAN" = xlittle; then
871    # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the
872    #   Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN
873    #   (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h).
874    #   Note: -Dmacro         is the same as    #define macro 1
875    #         -Dmacro=	    is the same as    #define macro
876    if test "x$OPENJDK_TARGET_OS" = xsolaris; then
877        CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN="
878    else
879        CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN"
880    fi
881else
882    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_BIG_ENDIAN"
883fi
884if test "x$OPENJDK_TARGET_OS" = xlinux; then
885    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DLINUX"
886fi
887if test "x$OPENJDK_TARGET_OS" = xwindows; then
888    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DWINDOWS"
889fi
890if test "x$OPENJDK_TARGET_OS" = xsolaris; then
891    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DSOLARIS"
892fi
893if test "x$OPENJDK_TARGET_OS" = xmacosx; then
894    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMACOSX -D_ALLBSD_SOURCE"
895    # Setting these parameters makes it an error to link to macosx APIs that are 
896    # newer than the given OS version and makes the linked binaries compatible even
897    # if built on a newer version of the OS.
898    # The expected format is X.Y.Z
899    MACOSX_VERSION_MIN=10.7.0
900    AC_SUBST(MACOSX_VERSION_MIN)
901    # The macro takes the version with no dots, ex: 1070
902    # Let the flags variables get resolved in make for easier override on make
903    # command line.
904    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
905    LDFLAGS_JDK="$LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
906fi
907if test "x$OPENJDK_TARGET_OS" = xbsd; then
908    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DBSD -D_ALLBSD_SOURCE"
909fi
910if test "x$DEBUG_LEVEL" = xrelease; then
911    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DNDEBUG"
912    if test "x$OPENJDK_TARGET_OS" = xsolaris; then
913        CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DTRIMMED"
914    fi
915else
916    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DDEBUG"
917fi
918
919CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY"
920CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DRELEASE='\"$RELEASE\"'"
921
922CCXXFLAGS_JDK="$CCXXFLAGS_JDK \
923        -I${JDK_OUTPUTDIR}/include \
924        -I${JDK_OUTPUTDIR}/include/$OPENJDK_TARGET_OS \
925        -I${JDK_TOPDIR}/src/share/javavm/export \
926        -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/javavm/export \
927        -I${JDK_TOPDIR}/src/share/native/common \
928        -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/native/common"
929
930# The shared libraries are compiled using the picflag.
931CFLAGS_JDKLIB="$CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA"
932CXXFLAGS_JDKLIB="$CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA "
933
934# Executable flags
935CFLAGS_JDKEXE="$CCXXFLAGS_JDK $CFLAGS_JDK"
936CXXFLAGS_JDKEXE="$CCXXFLAGS_JDK $CXXFLAGS_JDK"
937
938# Now this is odd. The JDK native libraries have to link against libjvm.so
939# On 32-bit machines there is normally two distinct libjvm.so:s, client and server.
940# Which should we link to? Are we lucky enough that the binary api to the libjvm.so library
941# is identical for client and server? Yes. Which is picked at runtime (client or server)?
942# Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following
943# libraries will link to whatever is in memory. Yuck. 
944#
945# Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh.
946if test "x$COMPILER_NAME" = xcl; then
947    LDFLAGS_JDK="$LDFLAGS_JDK -nologo -opt:ref -incremental:no"
948    if test "x$OPENJDK_TARGET_CPU" = xx86; then 
949        LDFLAGS_JDK="$LDFLAGS_JDK -safeseh"
950    fi
951    # TODO: make -debug optional "--disable-full-debug-symbols"
952    LDFLAGS_JDK="$LDFLAGS_JDK -debug"
953    LDFLAGS_JDKLIB="${LDFLAGS_JDK} -dll -libpath:${JDK_OUTPUTDIR}/lib"
954    LDFLAGS_JDKLIB_SUFFIX=""
955    if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then
956        LDFLAGS_STACK_SIZE=1048576
957    else
958        LDFLAGS_STACK_SIZE=327680
959    fi
960    LDFLAGS_JDKEXE="${LDFLAGS_JDK} /STACK:$LDFLAGS_STACK_SIZE"
961else
962    if test "x$COMPILER_NAME" = xgcc; then
963        # If this is a --hash-style=gnu system, use --hash-style=both, why?
964        HAS_GNU_HASH=`$CC -dumpspecs 2>/dev/null | $GREP 'hash-style=gnu'`
965        if test -n "$HAS_GNU_HASH"; then
966            LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both "
967        fi
968        if test "x$OPENJDK_TARGET_OS" = xlinux; then 
969          # And since we now know that the linker is gnu, then add -z defs, to forbid
970          # undefined symbols in object files.
971          LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs"
972          if test "x$DEBUG_LEVEL" = "xrelease"; then
973              # When building release libraries, tell the linker optimize them.
974              # Should this be supplied to the OSS linker as well?
975              LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -O1"
976          fi
977        fi
978    fi
979    LDFLAGS_JDKLIB="${LDFLAGS_JDK} $SHARED_LIBRARY_FLAGS \
980                    -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}"
981
982    # On some platforms (mac) the linker warns about non existing -L dirs.
983    # Add server first if available. Linking aginst client does not always produce the same results.
984    # Only add client dir if client is being built. Add minimal (note not minimal1) if only building minimal1.
985    # Default to server for other variants.
986    if test "x$JVM_VARIANT_SERVER" = xtrue; then
987        LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server"
988    elif test "x$JVM_VARIANT_CLIENT" = xtrue; then
989        LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/client"
990    elif test "x$JVM_VARIANT_MINIMAL1" = xtrue; then
991        LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/minimal"
992    else
993        LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server"
994    fi
995
996    LDFLAGS_JDKLIB_SUFFIX="-ljava -ljvm"
997    if test "x$COMPILER_NAME" = xossc; then
998        LDFLAGS_JDKLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX -lc"
999    fi
1000
1001    LDFLAGS_JDKEXE="${LDFLAGS_JDK}"
1002    if test "x$OPENJDK_TARGET_OS" = xlinux; then
1003        LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Xlinker --allow-shlib-undefined"
1004    fi
1005fi
1006
1007# Adjust flags according to debug level.
1008case $DEBUG_LEVEL in
1009      fastdebug ) 
1010              CFLAGS="$CFLAGS $D_FLAG"
1011              JAVAC_FLAGS="$JAVAC_FLAGS -g"
1012              ;;
1013      slowdebug )
1014              CFLAGS="$CFLAGS $D_FLAG"
1015	      C_O_FLAG_HI="$C_O_FLAG_NONE"
1016	      C_O_FLAG_NORM="$C_O_FLAG_NONE"
1017	      CXX_O_FLAG_HI="$CXX_O_FLAG_NONE"
1018	      CXX_O_FLAG_NORM="$CXX_O_FLAG_NONE"
1019              JAVAC_FLAGS="$JAVAC_FLAGS -g"
1020              ;;
1021esac              
1022
1023                
1024AC_SUBST(CFLAGS_JDKLIB)
1025AC_SUBST(CFLAGS_JDKEXE)
1026
1027AC_SUBST(CXXFLAGS_JDKLIB)
1028AC_SUBST(CXXFLAGS_JDKEXE)
1029
1030AC_SUBST(LDFLAGS_JDKLIB)
1031AC_SUBST(LDFLAGS_JDKEXE)
1032AC_SUBST(LDFLAGS_JDKLIB_SUFFIX)
1033AC_SUBST(LDFLAGS_JDKEXE_SUFFIX)
1034AC_SUBST(LDFLAGS_CXX_JDK)
1035])
1036
1037
1038# TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE],
1039#                                   [RUN-IF-FALSE])
1040# ------------------------------------------------------------
1041# Check that the c and c++ compilers support an argument
1042AC_DEFUN([TOOLCHAIN_COMPILER_CHECK_ARGUMENTS],
1043[
1044  AC_MSG_CHECKING([if compiler supports "$1"])
1045  supports=yes
1046
1047  saved_cflags="$CFLAGS"
1048  CFLAGS="$CFLAGS $1"
1049  AC_LANG_PUSH([C])
1050  AC_COMPILE_IFELSE([
1051    AC_LANG_SOURCE([[int i;]])
1052  ], [], [supports=no])
1053  AC_LANG_POP([C])
1054  CFLAGS="$saved_cflags"
1055
1056  saved_cxxflags="$CXXFLAGS"
1057  CXXFLAGS="$CXXFLAG $1"
1058  AC_LANG_PUSH([C++])
1059  AC_COMPILE_IFELSE([
1060    AC_LANG_SOURCE([[int i;]])
1061  ], [], [supports=no])
1062  AC_LANG_POP([C++])
1063  CXXFLAGS="$saved_cxxflags"
1064
1065  AC_MSG_RESULT([$supports])
1066  if test "x$supports" = "xyes" ; then
1067    m4_ifval([$2], [$2], [:])
1068  else
1069    m4_ifval([$3], [$3], [:])
1070  fi
1071])
1072
1073AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_MISC],
1074[
1075  # Some Zero and Shark settings.
1076  # ZERO_ARCHFLAG tells the compiler which mode to build for
1077  case "${OPENJDK_TARGET_CPU}" in
1078    s390)
1079      ZERO_ARCHFLAG="-m31"
1080      ;;
1081    *)
1082      ZERO_ARCHFLAG="-m${OPENJDK_TARGET_CPU_BITS}"
1083  esac
1084  TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([$ZERO_ARCHFLAG], [], [ZERO_ARCHFLAG=""])
1085  AC_SUBST(ZERO_ARCHFLAG)
1086
1087  # Check that the compiler supports -mX flags
1088  # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does
1089  TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([-m${OPENJDK_TARGET_CPU_BITS}],
1090    [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true],
1091    [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false])
1092  AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG)
1093])
1094
1095# Setup the JTREG paths 
1096AC_DEFUN_ONCE([TOOLCHAIN_SETUP_JTREG], 
1097[ 
1098  AC_ARG_WITH(jtreg, [AS_HELP_STRING([--with-jtreg], 
1099  [Regression Test Harness @<:@probed@:>@])]) 
1100 
1101  AC_MSG_CHECKING([for JTReg Regression Test Harness]) 
1102 
1103  if test "x$with_jtreg" != x; then 
1104    JT_HOME="$with_jtreg"
1105    BASIC_FIXUP_PATH([JT_HOME])
1106    AC_MSG_RESULT($JT_HOME)
1107 
1108    # jtreg win32 script works for everybody 
1109    JTREGEXE="$JT_HOME/win32/bin/jtreg"
1110    if test ! -f "$JTREGEXE"; then
1111      AC_MSG_ERROR([JTReg executable does not exist: $JTREGEXE])
1112    fi
1113  else 
1114    AC_MSG_RESULT(no)
1115  fi 
1116 
1117  AC_SUBST(JT_HOME) 
1118  AC_SUBST(JTREGEXE) 
1119])
1120