toolchain.m4 revision 652:22b9a31a92eb
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_PROGS(NM, [gnm nm])
445    BASIC_FIXUP_EXECUTABLE(NM)
446    AC_PATH_PROG(STRIP, strip)
447    BASIC_FIXUP_EXECUTABLE(STRIP)
448    AC_PATH_PROG(MCS, mcs)
449    BASIC_FIXUP_EXECUTABLE(MCS)
450elif test "x$OPENJDK_TARGET_OS" != xwindows; then
451    AC_CHECK_TOOL(NM, nm)
452    BASIC_FIXUP_EXECUTABLE(NM)
453    AC_CHECK_TOOL(STRIP, strip)
454    BASIC_FIXUP_EXECUTABLE(STRIP)
455fi
456
457# objcopy is used for moving debug symbols to separate files when
458# full debug symbols are enabled.
459if test "x$OPENJDK_TARGET_OS" = xsolaris || test "x$OPENJDK_TARGET_OS" = xlinux; then
460    AC_CHECK_TOOLS(OBJCOPY, [gobjcopy objcopy])
461    # Only call fixup if objcopy was found.
462    if test -n "$OBJCOPY"; then
463        BASIC_FIXUP_EXECUTABLE(OBJCOPY)
464    fi
465fi
466
467AC_CHECK_TOOLS(OBJDUMP, [gobjdump objdump])
468if test "x$OBJDUMP" != x; then
469  # Only used for compare.sh; we can live without it. BASIC_FIXUP_EXECUTABLE bails if argument is missing.
470  BASIC_FIXUP_EXECUTABLE(OBJDUMP)
471fi
472
473if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
474   AC_PATH_PROG(LIPO, lipo)
475   BASIC_FIXUP_EXECUTABLE(LIPO)
476fi
477
478# Restore old path without tools dir
479PATH="$OLD_PATH"
480])
481
482
483AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_LIBS],
484[
485
486###############################################################################
487#
488# How to compile shared libraries. 
489#
490
491if test "x$GCC" = xyes; then
492    COMPILER_NAME=gcc
493    PICFLAG="-fPIC"
494    LIBRARY_PREFIX=lib
495    SHARED_LIBRARY='lib[$]1.so'
496    STATIC_LIBRARY='lib[$]1.a'
497    SHARED_LIBRARY_FLAGS="-shared"
498    SHARED_LIBRARY_SUFFIX='.so'
499    STATIC_LIBRARY_SUFFIX='.a'
500    OBJ_SUFFIX='.o'
501    EXE_SUFFIX=''
502    SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1'
503    SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1'
504    C_FLAG_REORDER=''
505    CXX_FLAG_REORDER=''
506    SET_SHARED_LIBRARY_ORIGIN='-Xlinker -z -Xlinker origin -Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'
507    SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'
508    LD="$CC"
509    LDEXE="$CC"
510    LDCXX="$CXX"
511    LDEXECXX="$CXX"
512    POST_STRIP_CMD="$STRIP -g"
513
514    # Linking is different on MacOSX
515    if test "x$OPENJDK_TARGET_OS" = xmacosx; then
516        # Might change in the future to clang.
517        COMPILER_NAME=gcc
518        SHARED_LIBRARY='lib[$]1.dylib'
519        SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG"
520        SHARED_LIBRARY_SUFFIX='.dylib'
521        EXE_SUFFIX=''
522        SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1' 
523        SET_SHARED_LIBRARY_MAPFILE=''
524        SET_SHARED_LIBRARY_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.'
525        SET_EXECUTABLE_ORIGIN="$SET_SHARED_LIBRARY_ORIGIN"
526        POST_STRIP_CMD="$STRIP -S"
527    fi
528else
529    if test "x$OPENJDK_TARGET_OS" = xsolaris; then
530        # If it is not gcc, then assume it is the Oracle Solaris Studio Compiler
531        COMPILER_NAME=ossc
532        PICFLAG="-KPIC"
533        LIBRARY_PREFIX=lib
534        SHARED_LIBRARY='lib[$]1.so'
535        STATIC_LIBRARY='lib[$]1.a'
536        SHARED_LIBRARY_FLAGS="-G"
537        SHARED_LIBRARY_SUFFIX='.so'
538        STATIC_LIBRARY_SUFFIX='.a'
539        OBJ_SUFFIX='.o'
540        EXE_SUFFIX=''
541        SET_SHARED_LIBRARY_NAME=''
542        SET_SHARED_LIBRARY_MAPFILE='-M[$]1'
543	C_FLAG_REORDER='-xF'
544	CXX_FLAG_REORDER='-xF'
545        SET_SHARED_LIBRARY_ORIGIN='-R\$$$$ORIGIN[$]1'
546        SET_EXECUTABLE_ORIGIN="$SET_SHARED_LIBRARY_ORIGIN"
547        CFLAGS_JDK="${CFLAGS_JDK} -D__solaris__"
548        CXXFLAGS_JDK="${CXXFLAGS_JDK} -D__solaris__"
549        CFLAGS_JDKLIB_EXTRA='-xstrconst'
550        POST_STRIP_CMD="$STRIP -x"
551        POST_MCS_CMD="$MCS -d -a \"JDK $FULL_VERSION\""
552    fi
553    if test "x$OPENJDK_TARGET_OS" = xwindows; then
554        # If it is not gcc, then assume it is the MS Visual Studio compiler
555        COMPILER_NAME=cl
556        PICFLAG=""
557        LIBRARY_PREFIX=
558        SHARED_LIBRARY='[$]1.dll'
559        STATIC_LIBRARY='[$]1.lib'
560        SHARED_LIBRARY_FLAGS="-LD"
561        SHARED_LIBRARY_SUFFIX='.dll'
562        STATIC_LIBRARY_SUFFIX='.lib'
563        OBJ_SUFFIX='.obj'
564        EXE_SUFFIX='.exe'
565        SET_SHARED_LIBRARY_NAME=''
566        SET_SHARED_LIBRARY_MAPFILE=''
567        SET_SHARED_LIBRARY_ORIGIN=''
568        SET_EXECUTABLE_ORIGIN=''
569    fi
570fi
571
572AC_SUBST(OBJ_SUFFIX)
573AC_SUBST(SHARED_LIBRARY)
574AC_SUBST(STATIC_LIBRARY)
575AC_SUBST(LIBRARY_PREFIX)
576AC_SUBST(SHARED_LIBRARY_SUFFIX)
577AC_SUBST(STATIC_LIBRARY_SUFFIX)
578AC_SUBST(EXE_SUFFIX)
579AC_SUBST(SHARED_LIBRARY_FLAGS)
580AC_SUBST(SET_SHARED_LIBRARY_NAME)
581AC_SUBST(SET_SHARED_LIBRARY_MAPFILE)
582AC_SUBST(C_FLAG_REORDER)
583AC_SUBST(CXX_FLAG_REORDER)
584AC_SUBST(SET_SHARED_LIBRARY_ORIGIN)
585AC_SUBST(SET_EXECUTABLE_ORIGIN)
586AC_SUBST(POST_STRIP_CMD)
587AC_SUBST(POST_MCS_CMD)
588
589# The (cross) compiler is now configured, we can now test capabilities
590# of the target platform.
591])
592
593AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION],
594[
595
596###############################################################################
597#
598# Setup the opt flags for different compilers
599# and different operating systems.
600#
601
602#
603# NOTE: check for -mstackrealign needs to be below potential addition of -m32
604#
605if test "x$OPENJDK_TARGET_CPU_BITS" = x32 && test "x$OPENJDK_TARGET_OS" = xmacosx; then
606    # On 32-bit MacOSX the OS requires C-entry points to be 16 byte aligned.
607    # While waiting for a better solution, the current workaround is to use -mstackrealign.
608    CFLAGS="$CFLAGS -mstackrealign"
609    AC_MSG_CHECKING([if 32-bit compiler supports -mstackrealign])
610    AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])],
611                   [
612		        AC_MSG_RESULT([yes])
613                   ],
614	           [
615		        AC_MSG_RESULT([no])
616	                AC_MSG_ERROR([The selected compiler $CXX does not support -mstackrealign! Try to put another compiler in the path.])
617	           ])
618fi
619
620C_FLAG_DEPS="-MMD -MF"
621CXX_FLAG_DEPS="-MMD -MF"
622
623case $COMPILER_TYPE in
624  CC )
625    D_FLAG="-g"
626    case $COMPILER_NAME in
627      gcc )
628      	case $OPENJDK_TARGET_OS in
629	  macosx )
630	    # On MacOSX we optimize for size, something
631	    # we should do for all platforms?
632	    C_O_FLAG_HI="-Os"
633	    C_O_FLAG_NORM="-Os"
634	    C_O_FLAG_NONE=""
635	    ;;
636	  *)
637	    C_O_FLAG_HI="-O3"
638	    C_O_FLAG_NORM="-O2"
639	    C_O_FLAG_NONE="-O0"
640	    CFLAGS_DEBUG_SYMBOLS="-g"
641	    CXXFLAGS_DEBUG_SYMBOLS="-g"
642	    if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then
643	       CFLAGS_DEBUG_SYMBOLS="-g1"
644	       CXXFLAGS_DEBUG_SYMBOLS="-g1"
645	    fi
646	    ;;
647	esac
648        CXX_O_FLAG_HI="$C_O_FLAG_HI"
649        CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
650        CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
651        ;;
652      ossc )
653        #
654        # Forte has different names for this with their C++ compiler...
655        #
656        C_FLAG_DEPS="-xMMD -xMF"
657        CXX_FLAG_DEPS="-xMMD -xMF"
658
659        # Extra options used with HIGHEST
660        #
661        # WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be
662        #          done with care, there are some assumptions below that need to
663        #          be understood about the use of pointers, and IEEE behavior.
664        #
665        # Use non-standard floating point mode (not IEEE 754)
666        CC_HIGHEST="$CC_HIGHEST -fns"
667        # Do some simplification of floating point arithmetic (not IEEE 754)
668        CC_HIGHEST="$CC_HIGHEST -fsimple"
669        # Use single precision floating point with 'float'
670        CC_HIGHEST="$CC_HIGHEST -fsingle"
671        # Assume memory references via basic pointer types do not alias
672        #   (Source with excessing pointer casting and data access with mixed 
673        #    pointer types are not recommended)
674        CC_HIGHEST="$CC_HIGHEST -xalias_level=basic"
675        # Use intrinsic or inline versions for math/std functions
676        #   (If you expect perfect errno behavior, do not use this)
677        CC_HIGHEST="$CC_HIGHEST -xbuiltin=%all"
678        # Loop data dependency optimizations (need -xO3 or higher)
679        CC_HIGHEST="$CC_HIGHEST -xdepend"
680        # Pointer parameters to functions do not overlap
681        #   (Similar to -xalias_level=basic usage, but less obvious sometimes.
682        #    If you pass in multiple pointers to the same data, do not use this)
683        CC_HIGHEST="$CC_HIGHEST -xrestrict"
684        # Inline some library routines
685        #   (If you expect perfect errno behavior, do not use this)
686        CC_HIGHEST="$CC_HIGHEST -xlibmil"
687        # Use optimized math routines
688        #   (If you expect perfect errno behavior, do not use this)
689        #  Can cause undefined external on Solaris 8 X86 on __sincos, removing for now
690        #CC_HIGHEST="$CC_HIGHEST -xlibmopt"
691
692        if test "x$OPENJDK_TARGET_CPU" = xsparc; then
693          CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s"
694          CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s"
695        fi
696
697        case $OPENJDK_TARGET_CPU_ARCH in
698          x86)
699            C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xregs=no%frameptr"
700            C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr"
701            C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr"
702            C_O_FLAG_NONE="-xregs=no%frameptr"
703            CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr"
704            CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr"
705            CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr"
706            CXX_O_FLAG_NONE="-xregs=no%frameptr"
707            if test "x$OPENJDK_TARGET_CPU" = xx86; then
708               C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium"
709               CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium"
710            fi
711            ;;
712          sparc)
713            CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
714            CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
715            C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
716            C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0"
717            C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0"
718            C_O_FLAG_NONE=""
719            CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
720            CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
721            CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
722            CXX_O_FLAG_NONE=""
723            ;;
724        esac
725
726    CFLAGS_DEBUG_SYMBOLS="-g -xs"
727    CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs"
728    esac
729    ;;
730  CL )
731    D_FLAG=
732    C_O_FLAG_HIGHEST="-O2"
733    C_O_FLAG_HI="-O1"
734    C_O_FLAG_NORM="-O1"
735    C_O_FLAG_NONE="-Od"
736    CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST"
737    CXX_O_FLAG_HI="$C_O_FLAG_HI"
738    CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
739    CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
740    ;;
741esac
742
743if test -z "$C_O_FLAG_HIGHEST"; then
744   C_O_FLAG_HIGHEST="$C_O_FLAG_HI"
745fi
746
747if test -z "$CXX_O_FLAG_HIGHEST"; then
748   CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HI"
749fi
750
751AC_SUBST(C_O_FLAG_HIGHEST)
752AC_SUBST(C_O_FLAG_HI)
753AC_SUBST(C_O_FLAG_NORM)
754AC_SUBST(C_O_FLAG_NONE)
755AC_SUBST(CXX_O_FLAG_HIGHEST)
756AC_SUBST(CXX_O_FLAG_HI)
757AC_SUBST(CXX_O_FLAG_NORM)
758AC_SUBST(CXX_O_FLAG_NONE)
759AC_SUBST(C_FLAG_DEPS)
760AC_SUBST(CXX_FLAG_DEPS)
761])
762
763AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_JDK],
764[
765
766if test "x$CFLAGS" != "x${ADDED_CFLAGS}"; then
767   AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags])
768fi
769
770if test "x$CXXFLAGS" != "x${ADDED_CXXFLAGS}"; then
771   AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags])
772fi
773
774if test "x$LDFLAGS" != "x${ADDED_LDFLAGS}"; then
775   AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags])
776fi
777
778AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags],
779    [extra flags to be used when compiling jdk c-files])])
780
781AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags],
782    [extra flags to be used when compiling jdk c++-files])])
783
784AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags],
785    [extra flags to be used when linking jdk])])
786
787CFLAGS_JDK="${CFLAGS_JDK} $with_extra_cflags"
788CXXFLAGS_JDK="${CXXFLAGS_JDK} $with_extra_cxxflags"
789LDFLAGS_JDK="${LDFLAGS_JDK} $with_extra_ldflags"
790
791# Hotspot needs these set in their legacy form
792LEGACY_EXTRA_CFLAGS=$with_extra_cflags
793LEGACY_EXTRA_CXXFLAGS=$with_extra_cxxflags
794LEGACY_EXTRA_LDFLAGS=$with_extra_ldflags
795
796AC_SUBST(LEGACY_EXTRA_CFLAGS)
797AC_SUBST(LEGACY_EXTRA_CXXFLAGS)
798AC_SUBST(LEGACY_EXTRA_LDFLAGS)
799
800###############################################################################
801#
802# Now setup the CFLAGS and LDFLAGS for the JDK build.
803# Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build.
804#
805case $COMPILER_NAME in
806      gcc )
807      	  CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -W -Wall -Wno-unused -Wno-parentheses \
808                          -pipe \
809                          -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
810	  case $OPENJDK_TARGET_CPU_ARCH in
811	  arm )
812            # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing
813	    CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
814	  ;;
815	  ppc )
816            # on ppc we don't prevent gcc to omit frame pointer nor strict-aliasing
817	  ;;
818	  * )
819	    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -fno-omit-frame-pointer"
820	    CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
821          ;;
822	  esac
823          ;;
824      ossc )
825          CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS"
826          case $OPENJDK_TARGET_CPU_ARCH in
827          x86 )
828            CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB"
829       	    CFLAGS_JDK="$CFLAGS_JDK -erroff=E_BAD_PRAGMA_PACK_VALUE"
830          ;;
831          esac
832
833      	  CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal"
834      	  CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib"
835
836          LDFLAGS_JDK="$LDFLAGS_JDK -z defs -xildoff -ztext"
837          LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib"
838          ;;
839      cl )
840          CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Zi -MD -Zc:wchar_t- -W3 -wd4800 \
841               -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB -DWIN32_LEAN_AND_MEAN \
842	       -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \
843	       -DWIN32 -DIAL"
844          case $OPENJDK_TARGET_CPU in
845              x86 )
846                  CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_X86_ -Dx86"
847                  ;;
848              x86_64 )
849                  CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_AMD64_ -Damd64"
850                  ;;
851          esac
852          ;;
853esac
854
855###############################################################################
856
857CCXXFLAGS_JDK="$CCXXFLAGS_JDK $ADD_LP64"
858
859# The package path is used only on macosx?
860PACKAGE_PATH=/opt/local
861AC_SUBST(PACKAGE_PATH)
862
863if test "x$OPENJDK_TARGET_CPU_ENDIAN" = xlittle; then
864    # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the
865    #   Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN
866    #   (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h).
867    #   Note: -Dmacro         is the same as    #define macro 1
868    #         -Dmacro=	    is the same as    #define macro
869    if test "x$OPENJDK_TARGET_OS" = xsolaris; then
870        CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN="
871    else
872        CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN"
873    fi
874else
875    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_BIG_ENDIAN"
876fi
877if test "x$OPENJDK_TARGET_OS" = xlinux; then
878    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DLINUX"
879fi
880if test "x$OPENJDK_TARGET_OS" = xwindows; then
881    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DWINDOWS"
882fi
883if test "x$OPENJDK_TARGET_OS" = xsolaris; then
884    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DSOLARIS"
885fi
886if test "x$OPENJDK_TARGET_OS" = xmacosx; then
887    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMACOSX -D_ALLBSD_SOURCE"
888    # Setting these parameters makes it an error to link to macosx APIs that are 
889    # newer than the given OS version and makes the linked binaries compatible even
890    # if built on a newer version of the OS.
891    # The expected format is X.Y.Z
892    MACOSX_VERSION_MIN=10.7.0
893    AC_SUBST(MACOSX_VERSION_MIN)
894    # The macro takes the version with no dots, ex: 1070
895    # Let the flags variables get resolved in make for easier override on make
896    # command line.
897    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
898    LDFLAGS_JDK="$LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
899fi
900if test "x$OPENJDK_TARGET_OS" = xbsd; then
901    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DBSD -D_ALLBSD_SOURCE"
902fi
903if test "x$DEBUG_LEVEL" = xrelease; then
904    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DNDEBUG"
905    if test "x$OPENJDK_TARGET_OS" = xsolaris; then
906        CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DTRIMMED"
907    fi
908else
909    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DDEBUG"
910fi
911
912CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY"
913CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DRELEASE='\"$RELEASE\"'"
914
915CCXXFLAGS_JDK="$CCXXFLAGS_JDK \
916        -I${JDK_OUTPUTDIR}/include \
917        -I${JDK_OUTPUTDIR}/include/$OPENJDK_TARGET_OS \
918        -I${JDK_TOPDIR}/src/share/javavm/export \
919        -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/javavm/export \
920        -I${JDK_TOPDIR}/src/share/native/common \
921        -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/native/common"
922
923# The shared libraries are compiled using the picflag.
924CFLAGS_JDKLIB="$CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA"
925CXXFLAGS_JDKLIB="$CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA "
926
927# Executable flags
928CFLAGS_JDKEXE="$CCXXFLAGS_JDK $CFLAGS_JDK"
929CXXFLAGS_JDKEXE="$CCXXFLAGS_JDK $CXXFLAGS_JDK"
930
931# Now this is odd. The JDK native libraries have to link against libjvm.so
932# On 32-bit machines there is normally two distinct libjvm.so:s, client and server.
933# Which should we link to? Are we lucky enough that the binary api to the libjvm.so library
934# is identical for client and server? Yes. Which is picked at runtime (client or server)?
935# Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following
936# libraries will link to whatever is in memory. Yuck. 
937#
938# Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh.
939if test "x$COMPILER_NAME" = xcl; then
940    LDFLAGS_JDK="$LDFLAGS_JDK -nologo -opt:ref -incremental:no"
941    if test "x$OPENJDK_TARGET_CPU" = xx86; then 
942        LDFLAGS_JDK="$LDFLAGS_JDK -safeseh"
943    fi
944    # TODO: make -debug optional "--disable-full-debug-symbols"
945    LDFLAGS_JDK="$LDFLAGS_JDK -debug"
946    LDFLAGS_JDKLIB="${LDFLAGS_JDK} -dll -libpath:${JDK_OUTPUTDIR}/lib"
947    LDFLAGS_JDKLIB_SUFFIX=""
948    if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then
949        LDFLAGS_STACK_SIZE=1048576
950    else
951        LDFLAGS_STACK_SIZE=327680
952    fi
953    LDFLAGS_JDKEXE="${LDFLAGS_JDK} /STACK:$LDFLAGS_STACK_SIZE"
954else
955    if test "x$COMPILER_NAME" = xgcc; then
956        # If this is a --hash-style=gnu system, use --hash-style=both, why?
957        HAS_GNU_HASH=`$CC -dumpspecs 2>/dev/null | $GREP 'hash-style=gnu'`
958        if test -n "$HAS_GNU_HASH"; then
959            LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both "
960        fi
961        if test "x$OPENJDK_TARGET_OS" = xlinux; then 
962          # And since we now know that the linker is gnu, then add -z defs, to forbid
963          # undefined symbols in object files.
964          LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs"
965          if test "x$DEBUG_LEVEL" = "xrelease"; then
966              # When building release libraries, tell the linker optimize them.
967              # Should this be supplied to the OSS linker as well?
968              LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -O1"
969          fi
970        fi
971    fi
972    LDFLAGS_JDKLIB="${LDFLAGS_JDK} $SHARED_LIBRARY_FLAGS \
973                    -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}"
974
975    # On some platforms (mac) the linker warns about non existing -L dirs.
976    # Add server first if available. Linking aginst client does not always produce the same results.
977    # Only add client dir if client is being built. Add minimal (note not minimal1) if only building minimal1.
978    # Default to server for other variants.
979    if test "x$JVM_VARIANT_SERVER" = xtrue; then
980        LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server"
981    elif test "x$JVM_VARIANT_CLIENT" = xtrue; then
982        LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/client"
983    elif test "x$JVM_VARIANT_MINIMAL1" = xtrue; then
984        LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/minimal"
985    else
986        LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server"
987    fi
988
989    LDFLAGS_JDKLIB_SUFFIX="-ljava -ljvm"
990    if test "x$COMPILER_NAME" = xossc; then
991        LDFLAGS_JDKLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX -lc"
992    fi
993
994    LDFLAGS_JDKEXE="${LDFLAGS_JDK}"
995    if test "x$OPENJDK_TARGET_OS" = xlinux; then
996        LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Xlinker --allow-shlib-undefined"
997    fi
998fi
999
1000# Adjust flags according to debug level.
1001case $DEBUG_LEVEL in
1002      fastdebug ) 
1003              CFLAGS="$CFLAGS $D_FLAG"
1004              JAVAC_FLAGS="$JAVAC_FLAGS -g"
1005              ;;
1006      slowdebug )
1007              CFLAGS="$CFLAGS $D_FLAG"
1008	      C_O_FLAG_HI="$C_O_FLAG_NONE"
1009	      C_O_FLAG_NORM="$C_O_FLAG_NONE"
1010	      CXX_O_FLAG_HI="$CXX_O_FLAG_NONE"
1011	      CXX_O_FLAG_NORM="$CXX_O_FLAG_NONE"
1012              JAVAC_FLAGS="$JAVAC_FLAGS -g"
1013              ;;
1014esac              
1015
1016                
1017AC_SUBST(CFLAGS_JDKLIB)
1018AC_SUBST(CFLAGS_JDKEXE)
1019
1020AC_SUBST(CXXFLAGS_JDKLIB)
1021AC_SUBST(CXXFLAGS_JDKEXE)
1022
1023AC_SUBST(LDFLAGS_JDKLIB)
1024AC_SUBST(LDFLAGS_JDKEXE)
1025AC_SUBST(LDFLAGS_JDKLIB_SUFFIX)
1026AC_SUBST(LDFLAGS_JDKEXE_SUFFIX)
1027AC_SUBST(LDFLAGS_CXX_JDK)
1028])
1029