toolchain.m4 revision 670:2f43964043c2
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$OPENJDK_TARGET_OS" = "xmacosx"; then
478   AC_PATH_PROG(LIPO, lipo)
479   BASIC_FIXUP_EXECUTABLE(LIPO)
480fi
481
482# Restore old path without tools dir
483PATH="$OLD_PATH"
484])
485
486
487AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_LIBS],
488[
489
490###############################################################################
491#
492# How to compile shared libraries. 
493#
494
495if test "x$GCC" = xyes; then
496    COMPILER_NAME=gcc
497    PICFLAG="-fPIC"
498    LIBRARY_PREFIX=lib
499    SHARED_LIBRARY='lib[$]1.so'
500    STATIC_LIBRARY='lib[$]1.a'
501    SHARED_LIBRARY_FLAGS="-shared"
502    SHARED_LIBRARY_SUFFIX='.so'
503    STATIC_LIBRARY_SUFFIX='.a'
504    OBJ_SUFFIX='.o'
505    EXE_SUFFIX=''
506    SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1'
507    SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1'
508    C_FLAG_REORDER=''
509    CXX_FLAG_REORDER=''
510    SET_SHARED_LIBRARY_ORIGIN='-Xlinker -z -Xlinker origin -Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'
511    SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'
512    LD="$CC"
513    LDEXE="$CC"
514    LDCXX="$CXX"
515    LDEXECXX="$CXX"
516    POST_STRIP_CMD="$STRIP -g"
517
518    # Linking is different on MacOSX
519    if test "x$OPENJDK_TARGET_OS" = xmacosx; then
520        # Might change in the future to clang.
521        COMPILER_NAME=gcc
522        SHARED_LIBRARY='lib[$]1.dylib'
523        SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG"
524        SHARED_LIBRARY_SUFFIX='.dylib'
525        EXE_SUFFIX=''
526        SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1' 
527        SET_SHARED_LIBRARY_MAPFILE=''
528        SET_SHARED_LIBRARY_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.'
529        SET_EXECUTABLE_ORIGIN="$SET_SHARED_LIBRARY_ORIGIN"
530        POST_STRIP_CMD="$STRIP -S"
531    fi
532else
533    if test "x$OPENJDK_TARGET_OS" = xsolaris; then
534        # If it is not gcc, then assume it is the Oracle Solaris Studio Compiler
535        COMPILER_NAME=ossc
536        PICFLAG="-KPIC"
537        LIBRARY_PREFIX=lib
538        SHARED_LIBRARY='lib[$]1.so'
539        STATIC_LIBRARY='lib[$]1.a'
540        SHARED_LIBRARY_FLAGS="-G"
541        SHARED_LIBRARY_SUFFIX='.so'
542        STATIC_LIBRARY_SUFFIX='.a'
543        OBJ_SUFFIX='.o'
544        EXE_SUFFIX=''
545        SET_SHARED_LIBRARY_NAME=''
546        SET_SHARED_LIBRARY_MAPFILE='-M[$]1'
547	C_FLAG_REORDER='-xF'
548	CXX_FLAG_REORDER='-xF'
549        SET_SHARED_LIBRARY_ORIGIN='-R\$$$$ORIGIN[$]1'
550        SET_EXECUTABLE_ORIGIN="$SET_SHARED_LIBRARY_ORIGIN"
551        CFLAGS_JDK="${CFLAGS_JDK} -D__solaris__"
552        CXXFLAGS_JDK="${CXXFLAGS_JDK} -D__solaris__"
553        CFLAGS_JDKLIB_EXTRA='-xstrconst'
554        POST_STRIP_CMD="$STRIP -x"
555        POST_MCS_CMD="$MCS -d -a \"JDK $FULL_VERSION\""
556    fi
557    if test "x$OPENJDK_TARGET_OS" = xwindows; then
558        # If it is not gcc, then assume it is the MS Visual Studio compiler
559        COMPILER_NAME=cl
560        PICFLAG=""
561        LIBRARY_PREFIX=
562        SHARED_LIBRARY='[$]1.dll'
563        STATIC_LIBRARY='[$]1.lib'
564        SHARED_LIBRARY_FLAGS="-LD"
565        SHARED_LIBRARY_SUFFIX='.dll'
566        STATIC_LIBRARY_SUFFIX='.lib'
567        OBJ_SUFFIX='.obj'
568        EXE_SUFFIX='.exe'
569        SET_SHARED_LIBRARY_NAME=''
570        SET_SHARED_LIBRARY_MAPFILE=''
571        SET_SHARED_LIBRARY_ORIGIN=''
572        SET_EXECUTABLE_ORIGIN=''
573    fi
574fi
575
576AC_SUBST(OBJ_SUFFIX)
577AC_SUBST(SHARED_LIBRARY)
578AC_SUBST(STATIC_LIBRARY)
579AC_SUBST(LIBRARY_PREFIX)
580AC_SUBST(SHARED_LIBRARY_SUFFIX)
581AC_SUBST(STATIC_LIBRARY_SUFFIX)
582AC_SUBST(EXE_SUFFIX)
583AC_SUBST(SHARED_LIBRARY_FLAGS)
584AC_SUBST(SET_SHARED_LIBRARY_NAME)
585AC_SUBST(SET_SHARED_LIBRARY_MAPFILE)
586AC_SUBST(C_FLAG_REORDER)
587AC_SUBST(CXX_FLAG_REORDER)
588AC_SUBST(SET_SHARED_LIBRARY_ORIGIN)
589AC_SUBST(SET_EXECUTABLE_ORIGIN)
590AC_SUBST(POST_STRIP_CMD)
591AC_SUBST(POST_MCS_CMD)
592
593# The (cross) compiler is now configured, we can now test capabilities
594# of the target platform.
595])
596
597AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION],
598[
599
600###############################################################################
601#
602# Setup the opt flags for different compilers
603# and different operating systems.
604#
605
606#
607# NOTE: check for -mstackrealign needs to be below potential addition of -m32
608#
609if test "x$OPENJDK_TARGET_CPU_BITS" = x32 && test "x$OPENJDK_TARGET_OS" = xmacosx; then
610    # On 32-bit MacOSX the OS requires C-entry points to be 16 byte aligned.
611    # While waiting for a better solution, the current workaround is to use -mstackrealign.
612    CFLAGS="$CFLAGS -mstackrealign"
613    AC_MSG_CHECKING([if 32-bit compiler supports -mstackrealign])
614    AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])],
615                   [
616		        AC_MSG_RESULT([yes])
617                   ],
618	           [
619		        AC_MSG_RESULT([no])
620	                AC_MSG_ERROR([The selected compiler $CXX does not support -mstackrealign! Try to put another compiler in the path.])
621	           ])
622fi
623
624C_FLAG_DEPS="-MMD -MF"
625CXX_FLAG_DEPS="-MMD -MF"
626
627case $COMPILER_TYPE in
628  CC )
629    D_FLAG="-g"
630    case $COMPILER_NAME in
631      gcc )
632      	case $OPENJDK_TARGET_OS in
633	  macosx )
634	    # On MacOSX we optimize for size, something
635	    # we should do for all platforms?
636	    C_O_FLAG_HI="-Os"
637	    C_O_FLAG_NORM="-Os"
638	    C_O_FLAG_NONE=""
639	    ;;
640	  *)
641	    C_O_FLAG_HI="-O3"
642	    C_O_FLAG_NORM="-O2"
643	    C_O_FLAG_NONE="-O0"
644	    CFLAGS_DEBUG_SYMBOLS="-g"
645	    CXXFLAGS_DEBUG_SYMBOLS="-g"
646	    if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then
647	       CFLAGS_DEBUG_SYMBOLS="-g1"
648	       CXXFLAGS_DEBUG_SYMBOLS="-g1"
649	    fi
650	    ;;
651	esac
652        CXX_O_FLAG_HI="$C_O_FLAG_HI"
653        CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
654        CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
655        ;;
656      ossc )
657        #
658        # Forte has different names for this with their C++ compiler...
659        #
660        C_FLAG_DEPS="-xMMD -xMF"
661        CXX_FLAG_DEPS="-xMMD -xMF"
662
663        # Extra options used with HIGHEST
664        #
665        # WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be
666        #          done with care, there are some assumptions below that need to
667        #          be understood about the use of pointers, and IEEE behavior.
668        #
669        # Use non-standard floating point mode (not IEEE 754)
670        CC_HIGHEST="$CC_HIGHEST -fns"
671        # Do some simplification of floating point arithmetic (not IEEE 754)
672        CC_HIGHEST="$CC_HIGHEST -fsimple"
673        # Use single precision floating point with 'float'
674        CC_HIGHEST="$CC_HIGHEST -fsingle"
675        # Assume memory references via basic pointer types do not alias
676        #   (Source with excessing pointer casting and data access with mixed 
677        #    pointer types are not recommended)
678        CC_HIGHEST="$CC_HIGHEST -xalias_level=basic"
679        # Use intrinsic or inline versions for math/std functions
680        #   (If you expect perfect errno behavior, do not use this)
681        CC_HIGHEST="$CC_HIGHEST -xbuiltin=%all"
682        # Loop data dependency optimizations (need -xO3 or higher)
683        CC_HIGHEST="$CC_HIGHEST -xdepend"
684        # Pointer parameters to functions do not overlap
685        #   (Similar to -xalias_level=basic usage, but less obvious sometimes.
686        #    If you pass in multiple pointers to the same data, do not use this)
687        CC_HIGHEST="$CC_HIGHEST -xrestrict"
688        # Inline some library routines
689        #   (If you expect perfect errno behavior, do not use this)
690        CC_HIGHEST="$CC_HIGHEST -xlibmil"
691        # Use optimized math routines
692        #   (If you expect perfect errno behavior, do not use this)
693        #  Can cause undefined external on Solaris 8 X86 on __sincos, removing for now
694        #CC_HIGHEST="$CC_HIGHEST -xlibmopt"
695
696        if test "x$OPENJDK_TARGET_CPU" = xsparc; then
697          CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s"
698          CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s"
699        fi
700
701        case $OPENJDK_TARGET_CPU_ARCH in
702          x86)
703            C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xregs=no%frameptr"
704            C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr"
705            C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr"
706            C_O_FLAG_NONE="-xregs=no%frameptr"
707            CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr"
708            CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr"
709            CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr"
710            CXX_O_FLAG_NONE="-xregs=no%frameptr"
711            if test "x$OPENJDK_TARGET_CPU" = xx86; then
712               C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium"
713               CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium"
714            fi
715            ;;
716          sparc)
717            CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
718            CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
719            C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
720            C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0"
721            C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0"
722            C_O_FLAG_NONE=""
723            CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
724            CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
725            CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
726            CXX_O_FLAG_NONE=""
727            ;;
728        esac
729
730    CFLAGS_DEBUG_SYMBOLS="-g -xs"
731    CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs"
732    esac
733    ;;
734  CL )
735    D_FLAG=
736    C_O_FLAG_HIGHEST="-O2"
737    C_O_FLAG_HI="-O1"
738    C_O_FLAG_NORM="-O1"
739    C_O_FLAG_NONE="-Od"
740    CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST"
741    CXX_O_FLAG_HI="$C_O_FLAG_HI"
742    CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
743    CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
744    ;;
745esac
746
747if test -z "$C_O_FLAG_HIGHEST"; then
748   C_O_FLAG_HIGHEST="$C_O_FLAG_HI"
749fi
750
751if test -z "$CXX_O_FLAG_HIGHEST"; then
752   CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HI"
753fi
754
755AC_SUBST(C_O_FLAG_HIGHEST)
756AC_SUBST(C_O_FLAG_HI)
757AC_SUBST(C_O_FLAG_NORM)
758AC_SUBST(C_O_FLAG_NONE)
759AC_SUBST(CXX_O_FLAG_HIGHEST)
760AC_SUBST(CXX_O_FLAG_HI)
761AC_SUBST(CXX_O_FLAG_NORM)
762AC_SUBST(CXX_O_FLAG_NONE)
763AC_SUBST(C_FLAG_DEPS)
764AC_SUBST(CXX_FLAG_DEPS)
765])
766
767AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_JDK],
768[
769
770if test "x$CFLAGS" != "x${ADDED_CFLAGS}"; then
771   AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags])
772fi
773
774if test "x$CXXFLAGS" != "x${ADDED_CXXFLAGS}"; then
775   AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags])
776fi
777
778if test "x$LDFLAGS" != "x${ADDED_LDFLAGS}"; then
779   AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags])
780fi
781
782AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags],
783    [extra flags to be used when compiling jdk c-files])])
784
785AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags],
786    [extra flags to be used when compiling jdk c++-files])])
787
788AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags],
789    [extra flags to be used when linking jdk])])
790
791CFLAGS_JDK="${CFLAGS_JDK} $with_extra_cflags"
792CXXFLAGS_JDK="${CXXFLAGS_JDK} $with_extra_cxxflags"
793LDFLAGS_JDK="${LDFLAGS_JDK} $with_extra_ldflags"
794
795# Hotspot needs these set in their legacy form
796LEGACY_EXTRA_CFLAGS=$with_extra_cflags
797LEGACY_EXTRA_CXXFLAGS=$with_extra_cxxflags
798LEGACY_EXTRA_LDFLAGS=$with_extra_ldflags
799
800AC_SUBST(LEGACY_EXTRA_CFLAGS)
801AC_SUBST(LEGACY_EXTRA_CXXFLAGS)
802AC_SUBST(LEGACY_EXTRA_LDFLAGS)
803
804###############################################################################
805#
806# Now setup the CFLAGS and LDFLAGS for the JDK build.
807# Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build.
808#
809case $COMPILER_NAME in
810      gcc )
811      	  CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -W -Wall -Wno-unused -Wno-parentheses \
812                          -pipe \
813                          -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
814	  case $OPENJDK_TARGET_CPU_ARCH in
815	  arm )
816            # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing
817	    CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
818	  ;;
819	  ppc )
820            # on ppc we don't prevent gcc to omit frame pointer nor strict-aliasing
821	  ;;
822	  * )
823	    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -fno-omit-frame-pointer"
824	    CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
825          ;;
826	  esac
827          ;;
828      ossc )
829          CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS"
830          case $OPENJDK_TARGET_CPU_ARCH in
831          x86 )
832            CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB"
833       	    CFLAGS_JDK="$CFLAGS_JDK -erroff=E_BAD_PRAGMA_PACK_VALUE"
834          ;;
835          esac
836
837      	  CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal"
838      	  CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib"
839
840          LDFLAGS_JDK="$LDFLAGS_JDK -z defs -xildoff -ztext"
841          LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib"
842          ;;
843      cl )
844          CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Zi -MD -Zc:wchar_t- -W3 -wd4800 \
845               -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB -DWIN32_LEAN_AND_MEAN \
846	       -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \
847	       -DWIN32 -DIAL"
848          case $OPENJDK_TARGET_CPU in
849              x86 )
850                  CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_X86_ -Dx86"
851                  ;;
852              x86_64 )
853                  CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_AMD64_ -Damd64"
854                  ;;
855          esac
856          ;;
857esac
858
859###############################################################################
860
861CCXXFLAGS_JDK="$CCXXFLAGS_JDK $ADD_LP64"
862
863# The package path is used only on macosx?
864PACKAGE_PATH=/opt/local
865AC_SUBST(PACKAGE_PATH)
866
867if test "x$OPENJDK_TARGET_CPU_ENDIAN" = xlittle; then
868    # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the
869    #   Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN
870    #   (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h).
871    #   Note: -Dmacro         is the same as    #define macro 1
872    #         -Dmacro=	    is the same as    #define macro
873    if test "x$OPENJDK_TARGET_OS" = xsolaris; then
874        CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN="
875    else
876        CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN"
877    fi
878else
879    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_BIG_ENDIAN"
880fi
881if test "x$OPENJDK_TARGET_OS" = xlinux; then
882    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DLINUX"
883fi
884if test "x$OPENJDK_TARGET_OS" = xwindows; then
885    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DWINDOWS"
886fi
887if test "x$OPENJDK_TARGET_OS" = xsolaris; then
888    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DSOLARIS"
889fi
890if test "x$OPENJDK_TARGET_OS" = xmacosx; then
891    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMACOSX -D_ALLBSD_SOURCE"
892    # Setting these parameters makes it an error to link to macosx APIs that are 
893    # newer than the given OS version and makes the linked binaries compatible even
894    # if built on a newer version of the OS.
895    # The expected format is X.Y.Z
896    MACOSX_VERSION_MIN=10.7.0
897    AC_SUBST(MACOSX_VERSION_MIN)
898    # The macro takes the version with no dots, ex: 1070
899    # Let the flags variables get resolved in make for easier override on make
900    # command line.
901    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
902    LDFLAGS_JDK="$LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
903fi
904if test "x$OPENJDK_TARGET_OS" = xbsd; then
905    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DBSD -D_ALLBSD_SOURCE"
906fi
907if test "x$DEBUG_LEVEL" = xrelease; then
908    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DNDEBUG"
909    if test "x$OPENJDK_TARGET_OS" = xsolaris; then
910        CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DTRIMMED"
911    fi
912else
913    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DDEBUG"
914fi
915
916CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY"
917CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DRELEASE='\"$RELEASE\"'"
918
919CCXXFLAGS_JDK="$CCXXFLAGS_JDK \
920        -I${JDK_OUTPUTDIR}/include \
921        -I${JDK_OUTPUTDIR}/include/$OPENJDK_TARGET_OS \
922        -I${JDK_TOPDIR}/src/share/javavm/export \
923        -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/javavm/export \
924        -I${JDK_TOPDIR}/src/share/native/common \
925        -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/native/common"
926
927# The shared libraries are compiled using the picflag.
928CFLAGS_JDKLIB="$CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA"
929CXXFLAGS_JDKLIB="$CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA "
930
931# Executable flags
932CFLAGS_JDKEXE="$CCXXFLAGS_JDK $CFLAGS_JDK"
933CXXFLAGS_JDKEXE="$CCXXFLAGS_JDK $CXXFLAGS_JDK"
934
935# Now this is odd. The JDK native libraries have to link against libjvm.so
936# On 32-bit machines there is normally two distinct libjvm.so:s, client and server.
937# Which should we link to? Are we lucky enough that the binary api to the libjvm.so library
938# is identical for client and server? Yes. Which is picked at runtime (client or server)?
939# Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following
940# libraries will link to whatever is in memory. Yuck. 
941#
942# Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh.
943if test "x$COMPILER_NAME" = xcl; then
944    LDFLAGS_JDK="$LDFLAGS_JDK -nologo -opt:ref -incremental:no"
945    if test "x$OPENJDK_TARGET_CPU" = xx86; then 
946        LDFLAGS_JDK="$LDFLAGS_JDK -safeseh"
947    fi
948    # TODO: make -debug optional "--disable-full-debug-symbols"
949    LDFLAGS_JDK="$LDFLAGS_JDK -debug"
950    LDFLAGS_JDKLIB="${LDFLAGS_JDK} -dll -libpath:${JDK_OUTPUTDIR}/lib"
951    LDFLAGS_JDKLIB_SUFFIX=""
952    if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then
953        LDFLAGS_STACK_SIZE=1048576
954    else
955        LDFLAGS_STACK_SIZE=327680
956    fi
957    LDFLAGS_JDKEXE="${LDFLAGS_JDK} /STACK:$LDFLAGS_STACK_SIZE"
958else
959    if test "x$COMPILER_NAME" = xgcc; then
960        # If this is a --hash-style=gnu system, use --hash-style=both, why?
961        HAS_GNU_HASH=`$CC -dumpspecs 2>/dev/null | $GREP 'hash-style=gnu'`
962        if test -n "$HAS_GNU_HASH"; then
963            LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both "
964        fi
965        if test "x$OPENJDK_TARGET_OS" = xlinux; then 
966          # And since we now know that the linker is gnu, then add -z defs, to forbid
967          # undefined symbols in object files.
968          LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs"
969          if test "x$DEBUG_LEVEL" = "xrelease"; then
970              # When building release libraries, tell the linker optimize them.
971              # Should this be supplied to the OSS linker as well?
972              LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -O1"
973          fi
974        fi
975    fi
976    LDFLAGS_JDKLIB="${LDFLAGS_JDK} $SHARED_LIBRARY_FLAGS \
977                    -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}"
978
979    # On some platforms (mac) the linker warns about non existing -L dirs.
980    # Add server first if available. Linking aginst client does not always produce the same results.
981    # Only add client dir if client is being built. Add minimal (note not minimal1) if only building minimal1.
982    # Default to server for other variants.
983    if test "x$JVM_VARIANT_SERVER" = xtrue; then
984        LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server"
985    elif test "x$JVM_VARIANT_CLIENT" = xtrue; then
986        LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/client"
987    elif test "x$JVM_VARIANT_MINIMAL1" = xtrue; then
988        LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/minimal"
989    else
990        LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server"
991    fi
992
993    LDFLAGS_JDKLIB_SUFFIX="-ljava -ljvm"
994    if test "x$COMPILER_NAME" = xossc; then
995        LDFLAGS_JDKLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX -lc"
996    fi
997
998    LDFLAGS_JDKEXE="${LDFLAGS_JDK}"
999    if test "x$OPENJDK_TARGET_OS" = xlinux; then
1000        LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Xlinker --allow-shlib-undefined"
1001    fi
1002fi
1003
1004# Adjust flags according to debug level.
1005case $DEBUG_LEVEL in
1006      fastdebug ) 
1007              CFLAGS="$CFLAGS $D_FLAG"
1008              JAVAC_FLAGS="$JAVAC_FLAGS -g"
1009              ;;
1010      slowdebug )
1011              CFLAGS="$CFLAGS $D_FLAG"
1012	      C_O_FLAG_HI="$C_O_FLAG_NONE"
1013	      C_O_FLAG_NORM="$C_O_FLAG_NONE"
1014	      CXX_O_FLAG_HI="$CXX_O_FLAG_NONE"
1015	      CXX_O_FLAG_NORM="$CXX_O_FLAG_NONE"
1016              JAVAC_FLAGS="$JAVAC_FLAGS -g"
1017              ;;
1018esac              
1019
1020                
1021AC_SUBST(CFLAGS_JDKLIB)
1022AC_SUBST(CFLAGS_JDKEXE)
1023
1024AC_SUBST(CXXFLAGS_JDKLIB)
1025AC_SUBST(CXXFLAGS_JDKEXE)
1026
1027AC_SUBST(LDFLAGS_JDKLIB)
1028AC_SUBST(LDFLAGS_JDKEXE)
1029AC_SUBST(LDFLAGS_JDKLIB_SUFFIX)
1030AC_SUBST(LDFLAGS_JDKEXE_SUFFIX)
1031AC_SUBST(LDFLAGS_CXX_JDK)
1032])
1033