toolchain.m4 revision 457:3156dff953b1
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
26AC_DEFUN_ONCE([TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV],
27[
28
29# Check if the VS env variables were setup prior to running configure.
30# If not, then find vcvarsall.bat and run it automatically, and integrate
31# the set env variables into the spec file.
32SETUPDEVENV="# No special vars"
33if test "x$OPENJDK_BUILD_OS" = "xwindows"; then
34    # If vcvarsall.bat has been run, then VCINSTALLDIR is set.
35    if test "x$VCINSTALLDIR" != x; then
36        # No further setup is needed. The build will happen from this kind
37        # of shell.
38        SETUPDEVENV="# This spec file expects that you are running bash from within a VS command prompt."
39        # Make sure to remind you, if you forget to run make from a cygwin bash shell
40        # that is spawned "bash -l" from a VS command prompt.
41        CHECK_FOR_VCINSTALLDIR=yes
42        AC_MSG_CHECKING([if you are running from within a VS command prompt])
43        AC_MSG_RESULT([yes])
44    else
45        # Ah, we have not yet run vcvarsall.bat/vsvars32.bat/vsvars64.bat. Lets do that. First find it.
46        if test "x$VS100COMNTOOLS" != x; then
47            VARSBAT=`find "$VS100COMNTOOLS/../.." -name vcvarsall.bat`
48	    SEARCH_ROOT="$VS100COMNTOOLS"
49        else
50            VARSBAT=`find "$PROGRAMFILES" -name vcvarsall.bat`
51	    SEARCH_ROOT="$PROGRAMFILES"
52        fi
53        VCPATH=`dirname "$VARSBAT"`
54        VCPATH=`cygpath -w "$VCPATH"`
55	if test "x$VARSBAT" = x || test ! -d "$VCPATH"; then
56            AC_MSG_CHECKING([if we can find the VS installation])
57            AC_MSG_RESULT([no])
58            AC_MSG_ERROR([Tried to find a VS installation using both $SEARCH_ROOT but failed. Please run "c:\\cygwin\\bin\\bash.exe -l" from a VS command prompt and then run configure/make from there.])
59        fi
60        case "$LEGACY_OPENJDK_TARGET_CPU1" in
61          i?86)
62            VARSBAT_ARCH=x86
63            ;;
64          *)
65            VARSBAT_ARCH=$LEGACY_OPENJDK_TARGET_CPU1
66            ;;
67        esac
68        # Lets extract the variables that are set by vcvarsall.bat/vsvars32.bat/vsvars64.bat
69        cd $OUTPUT_ROOT
70        bash $SRC_ROOT/common/bin/extractvcvars.sh "$VARSBAT" "$VARSBAT_ARCH"
71	cd $CURDIR
72	if test ! -s $OUTPUT_ROOT/localdevenv.sh || test ! -s $OUTPUT_ROOT/localdevenv.gmk; then
73            AC_MSG_CHECKING([if we can extract the needed env variables])
74            AC_MSG_RESULT([no])
75            AC_MSG_ERROR([Could not succesfully extract the env variables needed for the VS setup. Please run "c:\\cygwin\\bin\\bash.exe -l" from a VS command prompt and then run configure/make from there.])
76        fi 
77        # Now set all paths and other env variables. This will allow the rest of 
78        # the configure script to find and run the compiler in the proper way.
79        . $OUTPUT_ROOT/localdevenv.sh
80        AC_MSG_CHECKING([if we can find the VS installation])
81	if test "x$VCINSTALLDIR" != x; then 
82            AC_MSG_RESULT([$VCINSTALLDIR])
83        else 
84            AC_MSG_RESULT([no])
85            AC_MSG_ERROR([Could not find VS installation. Please install. If you are sure you have installed VS, then please run "c:\\cygwin\\bin\\bash.exe -l" from a VS command prompt and then run configure/make from there.])
86        fi
87        CHECK_FOR_VCINSTALLDIR=no
88	SETUPDEVENV="include $OUTPUT_ROOT/localdevenv.gmk"
89
90	AC_MSG_CHECKING([for msvcr100.dll])
91        AC_ARG_WITH(msvcr100dll, [AS_HELP_STRING([--with-msvcr100dll],
92            [copy this msvcr100.dll into the built JDK])])
93        if test "x$with_msvcr100dll" != x; then
94            MSVCR100DLL="$with_msvcr100dll"
95        else
96            if test "x$OPENJDK_TARGET_CPU_BITS" = x64; then
97                MSVCR100DLL=`find "$VCINSTALLDIR/.." -name msvcr100.dll | grep x64 | head --lines 1`
98            else
99                MSVCR100DLL=`find "$VCINSTALLDIR/.." -name msvcr100.dll | grep x86 | grep -v ia64 | grep -v x64 | head --lines 1`
100                if test "x$MSVCR100DLL" = x; then
101                    MSVCR100DLL=`find "$VCINSTALLDIR/.." -name msvcr100.dll | head --lines 1`
102                fi
103            fi
104        fi
105	if test "x$MSVCR100DLL" = x; then
106           AC_MSG_RESULT([no])
107	   AC_MSG_ERROR([Could not find msvcr100.dll !])
108        fi
109        AC_MSG_RESULT([$MSVCR100DLL])
110	SPACESAFE(MSVCR100DLL,[the path to msvcr100.dll])
111    fi
112fi
113AC_SUBST(SETUPDEVENV)
114AC_SUBST(CHECK_FOR_VCINSTALLDIR)
115AC_SUBST(MSVCR100DLL)
116])
117
118AC_DEFUN_ONCE([TOOLCHAIN_SETUP_SYSROOT_AND_OUT_OPTIONS],
119[
120###############################################################################
121#
122# Configure the development tool paths and potential sysroot.
123#
124AC_LANG(C++)
125DEVKIT=
126SYS_ROOT=/
127AC_SUBST(SYS_ROOT)
128
129# The option used to specify the target .o,.a or .so file.
130# When compiling, how to specify the to be created object file.
131CC_OUT_OPTION='-o$(SPACE)'
132# When linking, how to specify the to be created executable.
133EXE_OUT_OPTION='-o$(SPACE)'
134# When linking, how to specify the to be created dynamically linkable library.
135LD_OUT_OPTION='-o$(SPACE)'
136# When archiving, how to specify the to be create static archive for object files.
137AR_OUT_OPTION='rcs$(SPACE)'
138AC_SUBST(CC_OUT_OPTION)
139AC_SUBST(EXE_OUT_OPTION)
140AC_SUBST(LD_OUT_OPTION)
141AC_SUBST(AR_OUT_OPTION)
142])
143
144AC_DEFUN_ONCE([TOOLCHAIN_SETUP_PATHS],
145[
146# If --build AND --host is set, then the configure script will find any
147# cross compilation tools in the PATH. Cross compilation tools
148# follows the cross compilation standard where they are prefixed with ${host}.
149# For example the binary i686-sun-solaris2.10-gcc
150# will cross compile for i686-sun-solaris2.10
151# If neither of build and host is not set, then build=host and the
152# default compiler found in the path will be used.
153# Setting only --host, does not seem to be really supported.
154# Please set both --build and --host if you want to cross compile.
155
156DEFINE_CROSS_COMPILE_ARCH=""
157HOSTCC=""
158HOSTCXX=""
159HOSTLD=""
160AC_SUBST(DEFINE_CROSS_COMPILE_ARCH)
161AC_MSG_CHECKING([if this is a cross compile])
162if test "x$OPENJDK_BUILD_SYSTEM" != "x$OPENJDK_TARGET_SYSTEM"; then
163    AC_MSG_RESULT([yes, from $OPENJDK_BUILD_SYSTEM to $OPENJDK_TARGET_SYSTEM])
164    # We have detected a cross compile!
165    DEFINE_CROSS_COMPILE_ARCH="CROSS_COMPILE_ARCH:=$LEGACY_OPENJDK_TARGET_CPU1"
166    # Now we to find a C/C++ compiler that can build executables for the build
167    # platform. We can't use the AC_PROG_CC macro, since it can only be used
168    # once.
169    AC_PATH_PROGS(HOSTCC, [cl cc gcc])
170    WHICHCMD(HOSTCC)
171    AC_PATH_PROGS(HOSTCXX, [cl CC g++])
172    WHICHCMD(HOSTCXX)
173    AC_PATH_PROG(HOSTLD, ld)
174    WHICHCMD(HOSTLD)
175    # Building for the build platform should be easy. Therefore
176    # we do not need any linkers or assemblers etc.    
177else
178    AC_MSG_RESULT([no])
179fi
180
181# You can force the sys-root if the sys-root encoded into the cross compiler tools
182# is not correct.
183AC_ARG_WITH(sys-root, [AS_HELP_STRING([--with-sys-root],
184    [pass this sys-root to the compilers and linker (useful if the sys-root encoded in
185     the cross compiler tools is incorrect)])])
186
187if test "x$with_sys_root" != x; then
188    SYS_ROOT=$with_sys_root
189fi
190                     
191# If a devkit is found on the builddeps server, then prepend its path to the
192# PATH variable. If there are cross compilers available in the devkit, these
193# will be found by AC_PROG_CC et al.
194BDEPS_CHECK_MODULE(DEVKIT, devkit, xxx,
195                    [# Found devkit
196                     PATH="$DEVKIT/bin:$PATH"
197                     SYS_ROOT="$DEVKIT/${rewritten_target}/sys-root"
198                     if test "x$x_includes" = "xNONE"; then
199                         x_includes="$SYS_ROOT/usr/include/X11"
200                     fi
201                     if test "x$x_libraries" = "xNONE"; then
202                         x_libraries="$SYS_ROOT/usr/lib"
203                     fi
204                    ],
205                    [])
206
207if test "x$SYS_ROOT" != "x/" ; then                    
208    CFLAGS="--sysroot=$SYS_ROOT $CFLAGS"
209    CXXFLAGS="--sysroot=$SYS_ROOT $CXXFLAGS"
210    OBJCFLAGS="--sysroot=$SYS_ROOT $OBJCFLAGS" 
211    OBJCXXFLAGS="--sysroot=$SYS_ROOT $OBJCFLAGS" 
212    CPPFLAGS="--sysroot=$SYS_ROOT $CPPFLAGS"
213    LDFLAGS="--sysroot=$SYS_ROOT $LDFLAGS"
214fi
215
216# Store the CFLAGS etal passed to the configure script.
217ORG_CFLAGS="$CFLAGS"
218ORG_CXXFLAGS="$CXXFLAGS"
219ORG_OBJCFLAGS="$OBJCFLAGS"
220
221AC_ARG_WITH([tools-dir], [AS_HELP_STRING([--with-tools-dir],
222	[search this directory for compilers and tools])], [TOOLS_DIR=$with_tools_dir])
223
224AC_ARG_WITH([devkit], [AS_HELP_STRING([--with-devkit],
225	[use this directory as base for tools-dir and sys-root])], [
226    if test "x$with_sys_root" != x; then
227      AC_MSG_ERROR([Cannot specify both --with-devkit and --with-sys-root at the same time])
228    fi
229    if test "x$with_tools_dir" != x; then
230      AC_MSG_ERROR([Cannot specify both --with-devkit and --with-tools-dir at the same time])
231    fi
232    TOOLS_DIR=$with_devkit/bin
233    SYS_ROOT=$with_devkit/$host_alias/libc
234    ])
235
236# autoconf magic only relies on PATH, so update it if tools dir is specified
237OLD_PATH="$PATH"
238if test "x$TOOLS_DIR" != x; then
239  PATH=$TOOLS_DIR:$PATH
240fi
241
242# gcc is almost always present, but on Windows we
243# prefer cl.exe and on Solaris we prefer CC.
244# Thus test for them in this order.
245AC_PROG_CC([cl cc gcc])
246if test "x$CC" = x; then
247    HELP_MSG_MISSING_DEPENDENCY([devkit])
248    AC_MSG_ERROR([Could not find a compiler. $HELP_MSG])
249fi
250if test "x$CC" = xcc && test "x$OPENJDK_BUILD_OS" = xmacosx; then
251    # Do not use cc on MacOSX use gcc instead.
252    CC="gcc"
253fi
254WHICHCMD(CC)
255
256AC_PROG_CXX([cl CC g++])
257if test "x$CXX" = xCC && test "x$OPENJDK_BUILD_OS" = xmacosx; then
258    # The found CC, even though it seems to be a g++ derivate, cannot compile
259    # c++ code. Override.
260    CXX="g++"
261fi
262WHICHCMD(CXX)
263
264if test "x$CXX" = x || test "x$CC" = x; then
265    HELP_MSG_MISSING_DEPENDENCY([devkit])
266    AC_MSG_ERROR([Could not find the needed compilers! $HELP_MSG ])
267fi
268
269if test "x$OPENJDK_BUILD_OS" != xwindows; then
270    AC_PROG_OBJC
271    WHICHCMD(OBJC)
272else
273    OBJC=
274fi
275
276# Restore the flags to the user specified values.
277# This is necessary since AC_PROG_CC defaults CFLAGS to "-g -O2"
278CFLAGS="$ORG_CFLAGS"
279CXXFLAGS="$ORG_CXXFLAGS"
280OBJCFLAGS="$ORG_OBJCFLAGS"
281
282# If we are not cross compiling, use the same compilers for
283# building the build platform executables.
284if test "x$DEFINE_CROSS_COMPILE_ARCH" = x; then
285    HOSTCC="$CC"
286    HOSTCXX="$CXX"
287fi
288
289AC_CHECK_TOOL(LD, ld)
290WHICHCMD(LD)
291LD="$CC"
292LDEXE="$CC"
293LDCXX="$CXX"
294LDEXECXX="$CXX"
295# LDEXE is the linker to use, when creating executables.
296AC_SUBST(LDEXE)
297# Linking C++ libraries.
298AC_SUBST(LDCXX)
299# Linking C++ executables.
300AC_SUBST(LDEXECXX)
301
302AC_CHECK_TOOL(AR, ar)
303WHICHCMD(AR)
304if test "x$OPENJDK_BUILD_OS" = xmacosx; then
305    ARFLAGS="-r"
306else
307    ARFLAGS=""
308fi
309AC_SUBST(ARFLAGS)
310
311COMPILER_NAME=gcc
312COMPILER_TYPE=CC
313AS_IF([test "x$OPENJDK_BUILD_OS" = xwindows], [
314    # For now, assume that we are always compiling using cl.exe. 
315    CC_OUT_OPTION=-Fo
316    EXE_OUT_OPTION=-out:
317    LD_OUT_OPTION=-out:
318    AR_OUT_OPTION=-out:
319    # On Windows, reject /usr/bin/link, which is a cygwin
320    # program for something completely different.
321    AC_CHECK_PROG([WINLD], [link],[link],,, [/usr/bin/link])
322    # Since we must ignore the first found link, WINLD will contain
323    # the full path to the link.exe program.
324    WHICHCMD_SPACESAFE([WINLD])
325    LD="$WINLD"
326    LDEXE="$WINLD"
327    LDCXX="$WINLD"
328    LDEXECXX="$WINLD"
329    # Set HOSTLD to same as LD until we fully support cross compilation
330    # on windows.
331    HOSTLD="$WINLD"
332
333    AC_CHECK_PROG([MT], [mt], [mt],,, [/usr/bin/mt])
334    WHICHCMD_SPACESAFE([MT])
335    # The resource compiler
336    AC_CHECK_PROG([RC], [rc], [rc],,, [/usr/bin/rc])
337    WHICHCMD_SPACESAFE([RC])
338
339    RC_FLAGS="-nologo /l 0x409 /r"
340    AS_IF([test "x$VARIANT" = xOPT], [
341        RC_FLAGS="$RC_FLAGS -d NDEBUG"
342    ])
343    JDK_UPDATE_VERSION_NOTNULL=$JDK_UPDATE_VERSION
344    AS_IF([test "x$JDK_UPDATE_VERSION" = x], [
345        JDK_UPDATE_VERSION_NOTNULL=0
346    ])
347    RC_FLAGS="$RC_FLAGS -d \"JDK_BUILD_ID=$FULL_VERSION\""
348    RC_FLAGS="$RC_FLAGS -d \"JDK_COMPANY=$COMPANY_NAME\""
349    RC_FLAGS="$RC_FLAGS -d \"JDK_COMPONENT=$PRODUCT_NAME $JDK_RC_PLATFORM_NAME binary\""
350    RC_FLAGS="$RC_FLAGS -d \"JDK_VER=$JDK_MINOR_VERSION.$JDK_MICRO_VERSION.$JDK_UPDATE_VERSION_NOTNULL.$COOKED_BUILD_NUMBER\""
351    RC_FLAGS="$RC_FLAGS -d \"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\""
352    RC_FLAGS="$RC_FLAGS -d \"JDK_NAME=$PRODUCT_NAME $JDK_RC_PLATFORM_NAME $JDK_MINOR_VERSION $JDK_UPDATE_META_TAG\""
353    RC_FLAGS="$RC_FLAGS -d \"JDK_FVER=$JDK_MINOR_VERSION,$JDK_MICRO_VERSION,$JDK_UPDATE_VERSION_NOTNULL,$COOKED_BUILD_NUMBER\""
354
355    # lib.exe is used to create static libraries.
356    AC_CHECK_PROG([WINAR], [lib],[lib],,,)
357    WHICHCMD_SPACESAFE([WINAR])
358    AR="$WINAR"
359    ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT"
360
361    AC_CHECK_PROG([DUMPBIN], [dumpbin], [dumpbin],,,)
362    WHICHCMD_SPACESAFE([DUMPBIN])
363
364    COMPILER_TYPE=CL
365    CCXXFLAGS="$CCXXFLAGS -nologo"
366])
367AC_SUBST(RC_FLAGS)
368AC_SUBST(COMPILER_TYPE)
369
370AC_PROG_CPP
371WHICHCMD(CPP)
372
373AC_PROG_CXXCPP
374WHICHCMD(CXXCPP)
375
376# for solaris we really need solaris tools, and not gnu equivalent
377#   these seems to normally reside in /usr/ccs/bin so add that to path before
378#   starting to probe
379#
380#   NOTE: I add this /usr/ccs/bin after TOOLS but before OLD_PATH
381#         so that it can be overriden --with-tools-dir
382if test "x$OPENJDK_BUILD_OS" = xsolaris; then
383    PATH="${TOOLS_DIR}:/usr/ccs/bin:${OLD_PATH}"
384fi
385
386# Find the right assembler.
387if test "x$OPENJDK_BUILD_OS" = xsolaris; then
388    AC_PATH_PROG(AS, as)
389    WHICHCMD(AS)
390    ASFLAGS=" "
391else
392    AS="$CC -c"
393    ASFLAGS=" "
394fi
395AC_SUBST(AS)
396AC_SUBST(ASFLAGS)
397
398if test "x$OPENJDK_BUILD_OS" = xsolaris; then
399    AC_PATH_PROG(NM, nm)
400    WHICHCMD(NM)
401    AC_PATH_PROG(STRIP, strip)
402    WHICHCMD(STRIP)
403    AC_PATH_PROG(MCS, mcs)
404    WHICHCMD(MCS)
405else
406    AC_CHECK_TOOL(NM, nm)
407    WHICHCMD(NM)
408    AC_CHECK_TOOL(STRIP, strip)
409    WHICHCMD(STRIP)
410fi
411
412###
413#
414# Check for objcopy
415#
416#   but search for gobjcopy first...
417#   since I on solaris found a broken objcopy...buhh
418#
419AC_PATH_TOOL(OBJCOPY, gobjcopy)
420if test "x$OBJCOPY" = x; then
421   AC_PATH_TOOL(OBJCOPY, objcopy)
422fi
423
424# Restore old path without tools dir
425PATH="$OLD_PATH"
426])
427
428
429AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_LIBS],
430[
431
432###############################################################################
433#
434# How to compile shared libraries. 
435#
436
437if test "x$GCC" = xyes; then
438    COMPILER_NAME=gcc
439    PICFLAG="-fPIC"
440    LIBRARY_PREFIX=lib
441    SHARED_LIBRARY='lib[$]1.so'
442    STATIC_LIBRARY='lib[$]1.a'
443    SHARED_LIBRARY_FLAGS="-shared"
444    SHARED_LIBRARY_SUFFIX='.so'
445    STATIC_LIBRARY_SUFFIX='.a'
446    OBJ_SUFFIX='.o'
447    EXE_SUFFIX=''
448    SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1'
449    SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1'
450    C_FLAG_REORDER=''
451    CXX_FLAG_REORDER=''
452    SET_SHARED_LIBRARY_ORIGIN='-Xlinker -z -Xlinker origin -Xlinker -rpath -Xlinker \$$$$ORIGIN/[$]1'
453    LD="$CC"
454    LDEXE="$CC"
455    LDCXX="$CXX"
456    LDEXECXX="$CXX"
457    POST_STRIP_CMD="$STRIP -g"
458    if test "x$JDK_VARIANT" = xembedded; then
459        POST_STRIP_CMD="$STRIP --strip-unneeded"
460    fi
461
462    # Linking is different on MacOSX
463    if test "x$OPENJDK_BUILD_OS" = xmacosx; then
464        # Might change in the future to clang.
465        COMPILER_NAME=gcc
466        SHARED_LIBRARY='lib[$]1.dylib'
467        SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG"
468        SHARED_LIBRARY_SUFFIX='.dylib'
469        EXE_SUFFIX=''
470        SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1' 
471        SET_SHARED_LIBRARY_MAPFILE=''
472        SET_SHARED_LIBRARY_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.'
473        POST_STRIP_CMD="$STRIP -S"
474    fi
475else
476    if test "x$OPENJDK_BUILD_OS" = xsolaris; then
477        # If it is not gcc, then assume it is the Oracle Solaris Studio Compiler
478        COMPILER_NAME=ossc
479        PICFLAG="-KPIC"
480        LIBRARY_PREFIX=lib
481        SHARED_LIBRARY='lib[$]1.so'
482        STATIC_LIBRARY='lib[$]1.a'
483        SHARED_LIBRARY_FLAGS="-z defs -xildoff -ztext -G"
484        SHARED_LIBRARY_SUFFIX='.so'
485        STATIC_LIBRARY_SUFFIX='.a'
486        OBJ_SUFFIX='.o'
487        EXE_SUFFIX=''
488        SET_SHARED_LIBRARY_NAME=''
489        SET_SHARED_LIBRARY_MAPFILE='-M[$]1'
490	C_FLAG_REORDER='-xF'
491	CXX_FLAG_REORDER='-xF'
492        SET_SHARED_LIBRARY_ORIGIN='-R \$$$$ORIGIN/[$]1'
493        CFLAGS_JDK="${CFLAGS_JDK} -D__solaris__"
494        CXXFLAGS_JDK="${CXXFLAGS_JDK} -D__solaris__"
495        CFLAGS_JDKLIB_EXTRA='-xstrconst'
496        POST_STRIP_CMD="$STRIP -x"
497        POST_MCS_CMD="$MCS -d -a \"JDK $FULL_VERSION\""
498    fi
499    if test "x$OPENJDK_BUILD_OS" = xwindows; then
500        # If it is not gcc, then assume it is the MS Visual Studio compiler
501        COMPILER_NAME=cl
502        PICFLAG=""
503        LIBRARY_PREFIX=
504        SHARED_LIBRARY='[$]1.dll'
505        STATIC_LIBRARY='[$]1.lib'
506        SHARED_LIBRARY_FLAGS="-LD"
507        SHARED_LIBRARY_SUFFIX='.dll'
508        STATIC_LIBRARY_SUFFIX='.lib'
509        OBJ_SUFFIX='.obj'
510        EXE_SUFFIX='.exe'
511        SET_SHARED_LIBRARY_NAME=''
512        SET_SHARED_LIBRARY_MAPFILE=''
513        SET_SHARED_LIBRARY_ORIGIN=''
514    fi
515fi
516
517AC_SUBST(OBJ_SUFFIX)
518AC_SUBST(SHARED_LIBRARY)
519AC_SUBST(STATIC_LIBRARY)
520AC_SUBST(LIBRARY_PREFIX)
521AC_SUBST(SHARED_LIBRARY_SUFFIX)
522AC_SUBST(STATIC_LIBRARY_SUFFIX)
523AC_SUBST(EXE_SUFFIX)
524AC_SUBST(SHARED_LIBRARY_FLAGS)
525AC_SUBST(SET_SHARED_LIBRARY_NAME)
526AC_SUBST(SET_SHARED_LIBRARY_MAPFILE)
527AC_SUBST(C_FLAG_REORDER)
528AC_SUBST(CXX_FLAG_REORDER)
529AC_SUBST(SET_SHARED_LIBRARY_ORIGIN)
530AC_SUBST(POST_STRIP_CMD)
531AC_SUBST(POST_MCS_CMD)
532
533# The (cross) compiler is now configured, we can now test capabilities
534# of the target platform.
535])
536
537AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION],
538[
539
540###############################################################################
541#
542# Setup the opt flags for different compilers
543# and different operating systems.
544#
545C_FLAG_DEPS="-MMD -MF"
546CXX_FLAG_DEPS="-MMD -MF"
547
548case $COMPILER_TYPE in
549  CC )
550    D_FLAG="-g"
551    case $COMPILER_NAME in
552      gcc )
553      	case $OPENJDK_TARGET_OS in
554	  macosx )
555	    # On MacOSX we optimize for size, something
556	    # we should do for all platforms?
557	    C_O_FLAG_HI="-Os"
558	    C_O_FLAG_NORM="-Os"
559	    C_O_FLAG_NONE=""
560	    ;;
561	  *)
562	    C_O_FLAG_HI="-O3"
563	    C_O_FLAG_NORM="-O2"
564	    C_O_FLAG_NONE="-O0"
565	    CFLAGS_DEBUG_SYMBOLS="-g"
566	    CXXFLAGS_DEBUG_SYMBOLS="-g"
567	    if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then
568	       CFLAGS_DEBUG_SYMBOLS="-g1"
569	       CXXFLAGS_DEBUG_SYMBOLSG="-g1"
570	    fi
571	    ;;
572	esac
573        CXX_O_FLAG_HI="$C_O_FLAG_HI"
574        CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
575        CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
576        ;;
577      ossc )
578        #
579        # Forte has different names for this with their C++ compiler...
580        #
581	C_FLAG_DEPS="-xMMD -xMF"
582	CXX_FLAG_DEPS="-xMMD -xMF"
583
584# Extra options used with HIGHEST
585#
586# WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be
587#          done with care, there are some assumptions below that need to
588#          be understood about the use of pointers, and IEEE behavior.
589#
590# Use non-standard floating point mode (not IEEE 754)
591CC_HIGHEST="$CC_HIGHEST -fns"
592# Do some simplification of floating point arithmetic (not IEEE 754)
593CC_HIGHEST="$CC_HIGHEST -fsimple"
594# Use single precision floating point with 'float'
595CC_HIGHEST="$CC_HIGHEST -fsingle"
596# Assume memory references via basic pointer types do not alias
597#   (Source with excessing pointer casting and data access with mixed 
598#    pointer types are not recommended)
599CC_HIGHEST="$CC_HIGHEST -xalias_level=basic"
600# Use intrinsic or inline versions for math/std functions
601#   (If you expect perfect errno behavior, do not use this)
602CC_HIGHEST="$CC_HIGHEST -xbuiltin=%all"
603# Loop data dependency optimizations (need -xO3 or higher)
604CC_HIGHEST="$CC_HIGHEST -xdepend"
605# Pointer parameters to functions do not overlap
606#   (Similar to -xalias_level=basic usage, but less obvious sometimes.
607#    If you pass in multiple pointers to the same data, do not use this)
608CC_HIGHEST="$CC_HIGHEST -xrestrict"
609# Inline some library routines
610#   (If you expect perfect errno behavior, do not use this)
611CC_HIGHEST="$CC_HIGHEST -xlibmil"
612# Use optimized math routines
613#   (If you expect perfect errno behavior, do not use this)
614#  Can cause undefined external on Solaris 8 X86 on __sincos, removing for now
615#CC_HIGHEST="$CC_HIGHEST -xlibmopt"
616
617        case $LEGACY_OPENJDK_TARGET_CPU1 in
618          i586)
619            C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xchip=pentium"
620            C_O_FLAG_HI="-xO4 -Wu,-O4~yz"
621            C_O_FLAG_NORM="-xO2 -Wu,-O2~yz"
622            C_O_FLAG_NONE=""
623            CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xchip=pentium"
624            CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz"
625            CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz"
626            CXX_O_FLAG_NONE=""
627            ;;
628          sparc)
629            CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s"
630            CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s"
631            CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
632            CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
633            C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
634            C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0"
635            C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0"
636            C_O_FLAG_NONE=""
637            CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
638            CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
639            CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
640            CXX_O_FLAG_NONE=""
641            ;;
642        esac
643
644    CFLAGS_DEBUG_SYMBOLS="-g -xs"
645    CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs"
646    esac
647    ;;
648  CL )
649    D_FLAG=
650    C_O_FLAG_HI="-O2"
651    C_O_FLAG_NORM="-O1"
652    C_O_FLAG_NONE="-Od"
653    CXX_O_FLAG_HI="$C_O_FLAG_HI"
654    CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
655    CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
656    ;;
657esac
658
659if test -z "$C_O_FLAG_HIGHEST"; then
660   C_O_FLAG_HIGHEST="$C_O_FLAG_HI"
661fi
662
663if test -z "$CXX_O_FLAG_HIGHEST"; then
664   CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HI"
665fi
666
667AC_SUBST(C_O_FLAG_HIGHEST)
668AC_SUBST(C_O_FLAG_HI)
669AC_SUBST(C_O_FLAG_NORM)
670AC_SUBST(C_O_FLAG_NONE)
671AC_SUBST(CXX_O_FLAG_HIGHEST)
672AC_SUBST(CXX_O_FLAG_HI)
673AC_SUBST(CXX_O_FLAG_NORM)
674AC_SUBST(CXX_O_FLAG_NONE)
675AC_SUBST(C_FLAG_DEPS)
676AC_SUBST(CXX_FLAG_DEPS)
677])
678
679AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_JDK],
680[
681
682if test "x$CFLAGS" != "x${ADDED_CFLAGS}"; then
683   AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags"])
684fi
685
686if test "x$CXXFLAGS" != "x${ADDED_CXXFLAGS}"; then
687   AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags"])
688fi
689
690if test "x$LDFLAGS" != "x${ADDED_LDFLAGS}"; then
691   AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags"])
692fi
693
694AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags],
695    [extra flags to be used when compiling jdk c-files])])
696
697AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags],
698    [extra flags to be used when compiling jdk c++-files])])
699
700AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags],
701    [extra flags to be used when linking jdk])])
702
703CFLAGS_JDK="${CFLAGS_JDK} $with_extra_cflags"
704CXXFLAGS_JDK="${CXXFLAGS_JDK} $with_extra_cxxflags"
705LDFLAGS_JDK="${LDFLAGS_JDK} $with_extra_ldflags"
706
707###############################################################################
708#
709# Now setup the CFLAGS and LDFLAGS for the JDK build.
710# Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build.
711#
712case $COMPILER_NAME in
713      gcc )
714      	  CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -W -Wall -Wno-unused -Wno-parentheses \
715                          -pipe \
716                          -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
717	  case $OPENJDK_TARGET_CPU_ARCH in
718	  arm )
719            # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing
720	    CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
721	  ;;
722	  ppc )
723            # on ppc we don't prevent gcc to omit frame pointer nor strict-aliasing
724	  ;;
725	  * )
726	    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -fno-omit-frame-pointer"
727	    CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
728          ;;
729	  esac
730          ;;
731      ossc )
732      	  CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -norunpath -xnolib"
733      	  CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX"
734          ;;
735      cl )
736          CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Zi -MD -Zc:wchar_t- -W3 -wd4800 \
737               -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB -DWIN32_LEAN_AND_MEAN \
738	       -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \
739	       -DWIN32 -DIAL"
740          case $LEGACY_OPENJDK_TARGET_CPU1 in
741              i?86 )
742                  CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_X86_ -Dx86"
743                  ;;
744              amd64 )
745                  CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_AMD64_ -Damd64"
746                  ;;
747          esac
748          ;;
749esac
750
751###############################################################################
752#
753# Cross-compile arch specific flags
754
755#
756if test "x$JDK_VARIANT" = "xembedded"; then
757   CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DJAVASE_EMBEDDED"
758fi
759
760case $OPENJDK_TARGET_CPU_ARCH in
761arm )
762    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -fsigned-char"
763    ;;
764ppc )
765    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -fsigned-char"
766    ;;
767esac
768
769###############################################################################
770
771CCXXFLAGS_JDK="$CCXXFLAGS_JDK $ADD_LP64"
772
773# The package path is used only on macosx?
774PACKAGE_PATH=/opt/local
775AC_SUBST(PACKAGE_PATH)
776
777# Sometimes we use a cpu dir (.../lib/amd64/server) 
778# Sometimes not (.../lib/server) 
779LIBARCHDIR="$LEGACY_OPENJDK_TARGET_CPU2/"
780if test "x$ENDIAN" = xlittle; then
781    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN"
782else
783    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_BIG_ENDIAN"
784fi
785if test "x$OPENJDK_TARGET_OS" = xlinux; then
786    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DLINUX"
787fi
788if test "x$OPENJDK_TARGET_OS" = xwindows; then
789    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DWINDOWS"
790fi
791if test "x$OPENJDK_TARGET_OS" = xsolaris; then
792    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DSOLARIS"
793fi
794if test "x$OPENJDK_TARGET_OS" = xmacosx; then
795    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMACOSX -D_ALLBSD_SOURCE"
796    LIBARCHDIR=""
797fi
798if test "x$OPENJDK_TARGET_OS" = xbsd; then
799    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DBSD -D_ALLBSD_SOURCE"
800fi
801if test "x$DEBUG_LEVEL" = xrelease; then
802    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DNDEBUG"
803else
804    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DDEBUG"
805fi
806
807CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DARCH='\"$LEGACY_OPENJDK_TARGET_CPU1\"' -D$LEGACY_OPENJDK_TARGET_CPU1"
808CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DRELEASE='\"$RELEASE\"'"
809
810CCXXFLAGS_JDK="$CCXXFLAGS_JDK \
811        -I${JDK_OUTPUTDIR}/include \
812        -I${JDK_OUTPUTDIR}/include/$OPENJDK_TARGET_OS \
813        -I${JDK_TOPDIR}/src/share/javavm/export \
814        -I${JDK_TOPDIR}/src/$LEGACY_OPENJDK_TARGET_OS_API/javavm/export \
815        -I${JDK_TOPDIR}/src/share/native/common \
816        -I${JDK_TOPDIR}/src/$LEGACY_OPENJDK_TARGET_OS_API/native/common"
817
818# The shared libraries are compiled using the picflag.
819CFLAGS_JDKLIB="$CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA"
820CXXFLAGS_JDKLIB="$CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA "
821
822# Executable flags
823CFLAGS_JDKEXE="$CCXXFLAGS_JDK $CFLAGS_JDK"
824CXXFLAGS_JDKEXE="$CCXXFLAGS_JDK $CXXFLAGS_JDK"
825
826# Now this is odd. The JDK native libraries have to link against libjvm.so
827# On 32-bit machines there is normally two distinct libjvm.so:s, client and server.
828# Which should we link to? Are we lucky enough that the binary api to the libjvm.so library
829# is identical for client and server? Yes. Which is picked at runtime (client or server)?
830# Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following
831# libraries will link to whatever is in memory. Yuck. 
832#
833# Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh.
834if test "x$COMPILER_TYPE" = xCL; then
835    LDFLAGS_JDK="$LDFLAGS_JDK -nologo -opt:ref -incremental:no"
836    if test "x$LEGACY_OPENJDK_TARGET_CPU1" = xi586; then 
837        LDFLAGS_JDK="$LDFLAGS_JDK -safeseh"
838    fi
839    # TODO: make -debug optional "--disable-full-debug-symbols"
840    LDFLAGS_JDK="$LDFLAGS_JDK -debug"
841    LDFLAGS_JDKLIB="${LDFLAGS_JDK} -dll -libpath:${JDK_OUTPUTDIR}/lib"
842    LDFLAGS_JDKLIB_SUFFIX=""
843    if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then
844        LDFLAGS_STACK_SIZE=1048576
845    else
846        LDFLAGS_STACK_SIZE=327680
847    fi
848    LDFLAGS_JDKEXE="${LDFLAGS_JDK} /STACK:$LDFLAGS_STACK_SIZE"
849else
850    # If this is a --hash-style=gnu system, use --hash-style=both, why?
851    HAS_GNU_HASH=`$CC -dumpspecs 2>/dev/null | $GREP 'hash-style=gnu'`
852    if test -n "$HAS_GNU_HASH"; then
853        # And since we now know that the linker is gnu, then add -z defs, to forbid
854        # undefined symbols in object files.
855        LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both -Xlinker -z -Xlinker defs"
856        if test "x$DEBUG_LEVEL" == "xrelease"; then
857            # When building release libraries, tell the linker optimize them.
858            # Should this be supplied to the OSS linker as well?
859            LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -O1"
860        fi
861    fi
862
863    LDFLAGS_JDKLIB="${LDFLAGS_JDK} $SHARED_LIBRARY_FLAGS \
864                    -L${JDK_OUTPUTDIR}/lib/${LIBARCHDIR}server \
865                    -L${JDK_OUTPUTDIR}/lib/${LIBARCHDIR}client \
866  	            -L${JDK_OUTPUTDIR}/lib/${LIBARCHDIR}"
867    LDFLAGS_JDKLIB_SUFFIX="-ljvm -ljava"
868    if test "x$COMPILER_NAME" = xossc; then
869        LDFLAGS_JDKLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX -lc"
870    fi
871
872    # Only the jli library is explicitly linked when the launchers are built.
873    # The libjvm is then dynamically loaded/linked by the launcher.
874    LDFLAGS_JDKEXE="${LDFLAGS_JDK}"
875    if test "x$OPENJDK_TARGET_OS" != "xmacosx"; then
876       LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -L${JDK_OUTPUTDIR}/lib/${LIBARCHDIR}jli"
877       LDFLAGS_JDKEXE_SUFFIX="-ljli"
878    fi
879fi
880
881# Adjust flags according to debug level.
882case $DEBUG_LEVEL in
883      fastdebug ) 
884              CFLAGS="$CFLAGS $D_FLAG"
885              JAVAC_FLAGS="$JAVAC_FLAGS -g"
886              ;;
887      slowdebug )
888              CFLAGS="$CFLAGS $D_FLAG"
889	      C_O_FLAG_HI="$C_O_FLAG_NONE"
890	      C_O_FLAG_NORM="$C_O_FLAG_NONE"
891	      CXX_O_FLAG_HI="$CXX_O_FLAG_NONE"
892	      CXX_O_FLAG_NORM="$CXX_O_FLAG_NONE"
893              JAVAC_FLAGS="$JAVAC_FLAGS -g"
894              ;;
895esac              
896
897                
898AC_SUBST(CFLAGS_JDKLIB)
899AC_SUBST(CFLAGS_JDKEXE)
900
901AC_SUBST(CXXFLAGS_JDKLIB)
902AC_SUBST(CXXFLAGS_JDKEXE)
903
904AC_SUBST(LDFLAGS_JDKLIB)
905AC_SUBST(LDFLAGS_JDKEXE)
906AC_SUBST(LDFLAGS_JDKLIB_SUFFIX)
907AC_SUBST(LDFLAGS_JDKEXE_SUFFIX)
908])
909