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make/autoconf/platform.m4
747 строк
23 KB
Aleksey Shipilev
8345169: Implement JEP 503: Remove the 32-bit x86 Port
26 мар 2025, 12:23
26 мар 2025, 12:23
ee710fe
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# # Copyright (c) 2011, 2024, Oracle and/or its affiliates. All rights reserved. # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. # # This code is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License version 2 only, as # published by the Free Software Foundation. Oracle designates this # particular file as subject to the "Classpath" exception as provided # by Oracle in the LICENSE file that accompanied this code. # # This code is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License # version 2 for more details (a copy is included in the LICENSE file that # accompanied this code). # # You should have received a copy of the GNU General Public License version # 2 along with this work; if not, write to the Free Software Foundation, # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. # # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA # or visit www.oracle.com if you need additional information or have any # questions. # # Support macro for PLATFORM_EXTRACT_TARGET_AND_BUILD. # Converts autoconf style CPU name to OpenJDK style, into # VAR_CPU, VAR_CPU_ARCH, VAR_CPU_BITS and VAR_CPU_ENDIAN. AC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_CPU], [ # First argument is the cpu name from the trip/quad case "$1" in x86_64*x32) VAR_CPU=x32 VAR_CPU_ARCH=x86 VAR_CPU_BITS=32 VAR_CPU_ENDIAN=little ;; x86_64) VAR_CPU=x86_64 VAR_CPU_ARCH=x86 VAR_CPU_BITS=64 VAR_CPU_ENDIAN=little ;; i?86) VAR_CPU=x86 VAR_CPU_ARCH=x86 VAR_CPU_BITS=32 VAR_CPU_ENDIAN=little ;; alpha*) VAR_CPU=alpha VAR_CPU_ARCH=alpha VAR_CPU_BITS=64 VAR_CPU_ENDIAN=little ;; arm*) VAR_CPU=arm VAR_CPU_ARCH=arm VAR_CPU_BITS=32 VAR_CPU_ENDIAN=little ;; aarch64) VAR_CPU=aarch64 VAR_CPU_ARCH=aarch64 VAR_CPU_BITS=64 VAR_CPU_ENDIAN=little ;; ia64) VAR_CPU=ia64 VAR_CPU_ARCH=ia64 VAR_CPU_BITS=64 VAR_CPU_ENDIAN=little ;; loongarch64) VAR_CPU=loongarch64 VAR_CPU_ARCH=loongarch VAR_CPU_BITS=64 VAR_CPU_ENDIAN=little ;; m68k) VAR_CPU=m68k VAR_CPU_ARCH=m68k VAR_CPU_BITS=32 VAR_CPU_ENDIAN=big ;; mips) VAR_CPU=mips VAR_CPU_ARCH=mips VAR_CPU_BITS=32 VAR_CPU_ENDIAN=big ;; mipsel) VAR_CPU=mipsel VAR_CPU_ARCH=mipsel VAR_CPU_BITS=32 VAR_CPU_ENDIAN=little ;; mips64) VAR_CPU=mips64 VAR_CPU_ARCH=mips64 VAR_CPU_BITS=64 VAR_CPU_ENDIAN=big ;; mips64el) VAR_CPU=mips64el VAR_CPU_ARCH=mips64el VAR_CPU_BITS=64 VAR_CPU_ENDIAN=little ;; powerpc) VAR_CPU=ppc VAR_CPU_ARCH=ppc VAR_CPU_BITS=32 VAR_CPU_ENDIAN=big ;; powerpc64) VAR_CPU=ppc64 VAR_CPU_ARCH=ppc VAR_CPU_BITS=64 VAR_CPU_ENDIAN=big ;; powerpc64le) VAR_CPU=ppc64le VAR_CPU_ARCH=ppc VAR_CPU_BITS=64 VAR_CPU_ENDIAN=little ;; riscv32) VAR_CPU=riscv32 VAR_CPU_ARCH=riscv VAR_CPU_BITS=32 VAR_CPU_ENDIAN=little ;; riscv64) VAR_CPU=riscv64 VAR_CPU_ARCH=riscv VAR_CPU_BITS=64 VAR_CPU_ENDIAN=little ;; s390) VAR_CPU=s390 VAR_CPU_ARCH=s390 VAR_CPU_BITS=32 VAR_CPU_ENDIAN=big ;; s390x) VAR_CPU=s390x VAR_CPU_ARCH=s390 VAR_CPU_BITS=64 VAR_CPU_ENDIAN=big ;; sh*eb) VAR_CPU=sh VAR_CPU_ARCH=sh VAR_CPU_BITS=32 VAR_CPU_ENDIAN=big ;; sh*) VAR_CPU=sh VAR_CPU_ARCH=sh VAR_CPU_BITS=32 VAR_CPU_ENDIAN=little ;; sparc) VAR_CPU=sparc VAR_CPU_ARCH=sparc VAR_CPU_BITS=32 VAR_CPU_ENDIAN=big ;; sparcv9|sparc64) VAR_CPU=sparcv9 VAR_CPU_ARCH=sparc VAR_CPU_BITS=64 VAR_CPU_ENDIAN=big ;; sparc) VAR_CPU=sparc VAR_CPU_ARCH=sparc VAR_CPU_BITS=32 VAR_CPU_ENDIAN=big ;; sparcv9|sparc64) VAR_CPU=sparcv9 VAR_CPU_ARCH=sparc VAR_CPU_BITS=64 VAR_CPU_ENDIAN=big ;; *) AC_MSG_ERROR([unsupported cpu $1]) ;; esac ]) # Support macro for PLATFORM_EXTRACT_TARGET_AND_BUILD. # Converts autoconf style OS name to OpenJDK style, into # VAR_OS, VAR_OS_TYPE and VAR_OS_ENV. AC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_OS], [ case "$1" in *linux*) VAR_OS=linux VAR_OS_TYPE=unix ;; *darwin*) VAR_OS=macosx VAR_OS_TYPE=unix ;; *bsd*) VAR_OS=bsd VAR_OS_TYPE=unix ;; *cygwin*) VAR_OS=windows VAR_OS_ENV=windows.cygwin ;; *wsl*) VAR_OS=windows VAR_OS_ENV=windows.wsl ;; *msys* | *mingw*) VAR_OS=windows VAR_OS_ENV=windows.msys2 ;; *aix*) VAR_OS=aix VAR_OS_TYPE=unix ;; *) AC_MSG_ERROR([unsupported operating system $1]) ;; esac ]) # Support macro for PLATFORM_EXTRACT_TARGET_AND_BUILD. # Converts autoconf style OS name to OpenJDK style, into # VAR_LIBC. AC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_LIBC], [ case "$1" in *linux*-musl) VAR_LIBC=musl ;; *linux*-gnu) VAR_LIBC=gnu ;; *) VAR_LIBC=default ;; esac ]) # Support macro for PLATFORM_EXTRACT_TARGET_AND_BUILD. # Converts autoconf style OS name to OpenJDK style, into # VAR_ABI. AC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_ABI], [ case "$1" in *linux*-musl) VAR_ABI=musl ;; *linux*-gnu) VAR_ABI=gnu ;; *linux*-gnueabi) VAR_ABI=gnueabi ;; *linux*-gnueabihf) VAR_ABI=gnueabihf ;; *linux*-gnuabi64) VAR_ABI=gnuabi64 ;; *) VAR_ABI=default ;; esac ]) # Expects $host_os $host_cpu $build_os and $build_cpu # and $with_target_bits to have been setup! # # Translate the standard triplet(quadruplet) definition # of the target/build system into OPENJDK_TARGET_OS, OPENJDK_TARGET_CPU, # OPENJDK_BUILD_OS, etc. AC_DEFUN([PLATFORM_EXTRACT_TARGET_AND_BUILD], [ # Copy the autoconf trip/quadruplet verbatim to OPENJDK_TARGET_AUTOCONF_NAME # (from the autoconf "host") and OPENJDK_BUILD_AUTOCONF_NAME # Note that we might later on rewrite e.g. OPENJDK_TARGET_CPU due to reduced build, # but this will not change the value of OPENJDK_TARGET_AUTOCONF_NAME. OPENJDK_TARGET_AUTOCONF_NAME="$host" OPENJDK_BUILD_AUTOCONF_NAME="$build" AC_SUBST(OPENJDK_TARGET_AUTOCONF_NAME) AC_SUBST(OPENJDK_BUILD_AUTOCONF_NAME) # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU/LIBC variables. PLATFORM_EXTRACT_VARS_FROM_OS($build_os) PLATFORM_EXTRACT_VARS_FROM_CPU($build_cpu) PLATFORM_EXTRACT_VARS_FROM_LIBC($build_os) PLATFORM_EXTRACT_VARS_FROM_ABI($build_os) # ..and setup our own variables. (Do this explicitly to facilitate searching) OPENJDK_BUILD_OS="$VAR_OS" if test "x$VAR_OS_TYPE" != x; then OPENJDK_BUILD_OS_TYPE="$VAR_OS_TYPE" else OPENJDK_BUILD_OS_TYPE="$VAR_OS" fi if test "x$VAR_OS_ENV" != x; then OPENJDK_BUILD_OS_ENV="$VAR_OS_ENV" else OPENJDK_BUILD_OS_ENV="$VAR_OS" fi OPENJDK_BUILD_CPU="$VAR_CPU" OPENJDK_BUILD_CPU_ARCH="$VAR_CPU_ARCH" OPENJDK_BUILD_CPU_BITS="$VAR_CPU_BITS" OPENJDK_BUILD_CPU_ENDIAN="$VAR_CPU_ENDIAN" OPENJDK_BUILD_CPU_AUTOCONF="$build_cpu" OPENJDK_BUILD_LIBC="$VAR_LIBC" OPENJDK_BUILD_ABI="$VAR_ABI" AC_SUBST(OPENJDK_BUILD_OS) AC_SUBST(OPENJDK_BUILD_OS_TYPE) AC_SUBST(OPENJDK_BUILD_OS_ENV) AC_SUBST(OPENJDK_BUILD_CPU) AC_SUBST(OPENJDK_BUILD_CPU_ARCH) AC_SUBST(OPENJDK_BUILD_CPU_BITS) AC_SUBST(OPENJDK_BUILD_CPU_ENDIAN) AC_SUBST(OPENJDK_BUILD_CPU_AUTOCONF) AC_SUBST(OPENJDK_BUILD_LIBC) AC_SUBST(OPENJDK_BUILD_ABI) AC_MSG_CHECKING([openjdk-build os-cpu]) AC_MSG_RESULT([$OPENJDK_BUILD_OS-$OPENJDK_BUILD_CPU]) if test "x$OPENJDK_BUILD_OS" = "xlinux"; then AC_MSG_CHECKING([openjdk-build C library]) AC_MSG_RESULT([$OPENJDK_BUILD_LIBC]) fi # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU/LIBC variables. PLATFORM_EXTRACT_VARS_FROM_OS($host_os) PLATFORM_EXTRACT_VARS_FROM_CPU($host_cpu) PLATFORM_EXTRACT_VARS_FROM_LIBC($host_os) PLATFORM_EXTRACT_VARS_FROM_ABI($host_os) # ... and setup our own variables. (Do this explicitly to facilitate searching) OPENJDK_TARGET_OS="$VAR_OS" if test "x$VAR_OS_TYPE" != x; then OPENJDK_TARGET_OS_TYPE="$VAR_OS_TYPE" else OPENJDK_TARGET_OS_TYPE="$VAR_OS" fi if test "x$VAR_OS_ENV" != x; then OPENJDK_TARGET_OS_ENV="$VAR_OS_ENV" else OPENJDK_TARGET_OS_ENV="$VAR_OS" fi OPENJDK_TARGET_CPU="$VAR_CPU" OPENJDK_TARGET_CPU_ARCH="$VAR_CPU_ARCH" OPENJDK_TARGET_CPU_BITS="$VAR_CPU_BITS" OPENJDK_TARGET_CPU_ENDIAN="$VAR_CPU_ENDIAN" OPENJDK_TARGET_CPU_AUTOCONF="$host_cpu" OPENJDK_TARGET_OS_UPPERCASE=`$ECHO $OPENJDK_TARGET_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` OPENJDK_TARGET_LIBC="$VAR_LIBC" OPENJDK_TARGET_ABI="$VAR_ABI" AC_SUBST(OPENJDK_TARGET_OS) AC_SUBST(OPENJDK_TARGET_OS_TYPE) AC_SUBST(OPENJDK_TARGET_OS_ENV) AC_SUBST(OPENJDK_TARGET_OS_UPPERCASE) AC_SUBST(OPENJDK_TARGET_CPU) AC_SUBST(OPENJDK_TARGET_CPU_ARCH) AC_SUBST(OPENJDK_TARGET_CPU_BITS) AC_SUBST(OPENJDK_TARGET_CPU_ENDIAN) AC_SUBST(OPENJDK_TARGET_CPU_AUTOCONF) AC_SUBST(OPENJDK_TARGET_LIBC) AC_SUBST(OPENJDK_TARGET_ABI) AC_MSG_CHECKING([openjdk-target os-cpu]) AC_MSG_RESULT([$OPENJDK_TARGET_OS-$OPENJDK_TARGET_CPU]) if test "x$OPENJDK_TARGET_OS" = "xlinux"; then AC_MSG_CHECKING([openjdk-target C library]) AC_MSG_RESULT([$OPENJDK_TARGET_LIBC]) fi ]) # Check if a reduced build (32-bit on 64-bit platforms) is requested, and modify behavior # accordingly. Must be done after setting up build and target system, but before # doing anything else with these values. AC_DEFUN([PLATFORM_SETUP_TARGET_CPU_BITS], [ AC_ARG_WITH(target-bits, [AS_HELP_STRING([--with-target-bits], [build 32-bit or 64-bit binaries (for platforms that support it), e.g. --with-target-bits=32 @<:@guessed@:>@])]) # We have three types of compiles: # native == normal compilation, target system == build system # cross == traditional cross compilation, target system != build system; special toolchain needed # reduced == using native compilers, but with special flags (e.g. -m32) to produce 32-bit builds on 64-bit machines # if test "x$OPENJDK_BUILD_AUTOCONF_NAME" != "x$OPENJDK_TARGET_AUTOCONF_NAME"; then # We're doing a proper cross-compilation COMPILE_TYPE="cross" else COMPILE_TYPE="native" fi if test "x$with_target_bits" != x; then if test "x$COMPILE_TYPE" = "xcross"; then AC_MSG_ERROR([It is not possible to combine --with-target-bits=X and proper cross-compilation. Choose either.]) fi if test "x$with_target_bits" = x32 && test "x$OPENJDK_TARGET_CPU_BITS" = x64; then # A reduced build is requested COMPILE_TYPE="reduced" OPENJDK_TARGET_CPU_BITS=32 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then OPENJDK_TARGET_CPU=x86 elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then OPENJDK_TARGET_CPU=sparc else AC_MSG_ERROR([Reduced build (--with-target-bits=32) is only supported on x86_64 and sparcv9]) fi elif test "x$with_target_bits" = x64 && test "x$OPENJDK_TARGET_CPU_BITS" = x32; then AC_MSG_ERROR([It is not possible to use --with-target-bits=64 on a 32 bit system. Use proper cross-compilation instead.]) elif test "x$with_target_bits" = "x$OPENJDK_TARGET_CPU_BITS"; then AC_MSG_NOTICE([--with-target-bits are set to build platform address size; argument has no meaning]) else AC_MSG_ERROR([--with-target-bits can only be 32 or 64, you specified $with_target_bits!]) fi fi AC_SUBST(COMPILE_TYPE) AC_MSG_CHECKING([compilation type]) AC_MSG_RESULT([$COMPILE_TYPE]) ]) # Setup the legacy variables, for controlling the old makefiles. # AC_DEFUN([PLATFORM_SETUP_LEGACY_VARS], [ PLATFORM_SETUP_LEGACY_VARS_HELPER([TARGET]) PLATFORM_SETUP_LEGACY_VARS_HELPER([BUILD]) ]) # $1 - Either TARGET or BUILD to setup the variables for. AC_DEFUN([PLATFORM_SETUP_LEGACY_VARS_HELPER], [ # Also store the legacy naming of the cpu. # Ie i586 and amd64 instead of x86 and x86_64 OPENJDK_$1_CPU_LEGACY="$OPENJDK_$1_CPU" if test "x$OPENJDK_$1_CPU" = xx86; then OPENJDK_$1_CPU_LEGACY="i586" elif test "x$OPENJDK_$1_OS" != xmacosx && test "x$OPENJDK_$1_CPU" = xx86_64; then # On all platforms except MacOSX replace x86_64 with amd64. OPENJDK_$1_CPU_LEGACY="amd64" elif test "x$OPENJDK_$1_CPU" = xalpha; then # Avoid name collisions with variables named alpha OPENJDK_$1_CPU_LEGACY="_alpha_" elif test "x$OPENJDK_$1_CPU" = xsh; then # Avoid name collisions with variables named sh OPENJDK_$1_CPU_LEGACY="_sh_" fi AC_SUBST(OPENJDK_$1_CPU_LEGACY) # And the second legacy naming of the cpu. # Ie i386 and amd64 instead of x86 and x86_64. OPENJDK_$1_CPU_LEGACY_LIB="$OPENJDK_$1_CPU" if test "x$OPENJDK_$1_CPU" = xx86; then OPENJDK_$1_CPU_LEGACY_LIB="i386" elif test "x$OPENJDK_$1_CPU" = xx86_64; then OPENJDK_$1_CPU_LEGACY_LIB="amd64" fi AC_SUBST(OPENJDK_$1_CPU_LEGACY_LIB) # Setup OPENJDK_$1_CPU_OSARCH, which is used to set the os.arch Java system property OPENJDK_$1_CPU_OSARCH="$OPENJDK_$1_CPU" if test "x$OPENJDK_$1_OS" = xlinux && test "x$OPENJDK_$1_CPU" = xx86; then # On linux only, we replace x86 with i386. OPENJDK_$1_CPU_OSARCH="i386" elif test "x$OPENJDK_$1_OS" != xmacosx && test "x$OPENJDK_$1_CPU" = xx86_64; then # On all platforms except macosx, we replace x86_64 with amd64. OPENJDK_$1_CPU_OSARCH="amd64" fi AC_SUBST(OPENJDK_$1_CPU_OSARCH) OPENJDK_$1_CPU_JLI="$OPENJDK_$1_CPU" if test "x$OPENJDK_$1_CPU" = xx86; then OPENJDK_$1_CPU_JLI="i386" elif test "x$OPENJDK_$1_OS" != xmacosx && test "x$OPENJDK_$1_CPU" = xx86_64; then # On all platforms except macosx, we replace x86_64 with amd64. OPENJDK_$1_CPU_JLI="amd64" fi # The new version string in JDK 9 also defined new naming of OS and ARCH for bundles # The macOS bundle name was revised in JDK 17 # # macosx is macos and x86_64 is x64 if test "x$OPENJDK_$1_OS" = xmacosx; then OPENJDK_$1_OS_BUNDLE="macos" else OPENJDK_$1_OS_BUNDLE="$OPENJDK_TARGET_OS" fi if test "x$OPENJDK_$1_CPU" = xx86_64; then OPENJDK_$1_CPU_BUNDLE="x64" else OPENJDK_$1_CPU_BUNDLE="$OPENJDK_$1_CPU" fi OPENJDK_$1_LIBC_BUNDLE="" if test "x$OPENJDK_$1_LIBC" = "xmusl"; then OPENJDK_$1_LIBC_BUNDLE="-$OPENJDK_$1_LIBC" fi OPENJDK_$1_BUNDLE_PLATFORM="${OPENJDK_$1_OS_BUNDLE}-${OPENJDK_$1_CPU_BUNDLE}${OPENJDK_$1_LIBC_BUNDLE}" AC_SUBST(OPENJDK_$1_BUNDLE_PLATFORM) if test "x$COMPILE_TYPE" = "xcross"; then # FIXME: ... or should this include reduced builds..? DEFINE_CROSS_COMPILE_ARCH="CROSS_COMPILE_ARCH:=$OPENJDK_$1_CPU_LEGACY" else DEFINE_CROSS_COMPILE_ARCH="" fi AC_SUBST(DEFINE_CROSS_COMPILE_ARCH) # Convert openjdk platform names to hotspot names HOTSPOT_$1_OS=${OPENJDK_$1_OS} if test "x$OPENJDK_$1_OS" = xmacosx; then HOTSPOT_$1_OS=bsd fi AC_SUBST(HOTSPOT_$1_OS) HOTSPOT_$1_OS_TYPE=${OPENJDK_$1_OS_TYPE} if test "x$OPENJDK_$1_OS_TYPE" = xunix; then HOTSPOT_$1_OS_TYPE=posix fi AC_SUBST(HOTSPOT_$1_OS_TYPE) HOTSPOT_$1_CPU=${OPENJDK_$1_CPU} if test "x$OPENJDK_$1_CPU" = xx86; then HOTSPOT_$1_CPU=x86_32 elif test "x$OPENJDK_$1_CPU" = xsparcv9; then HOTSPOT_$1_CPU=sparc elif test "x$OPENJDK_$1_CPU" = xppc64; then HOTSPOT_$1_CPU=ppc_64 elif test "x$OPENJDK_$1_CPU" = xppc64le; then HOTSPOT_$1_CPU=ppc_64 fi AC_SUBST(HOTSPOT_$1_CPU) # This is identical with OPENJDK_*, but define anyway for consistency. HOTSPOT_$1_CPU_ARCH=${OPENJDK_$1_CPU_ARCH} AC_SUBST(HOTSPOT_$1_CPU_ARCH) # Setup HOTSPOT_$1_CPU_DEFINE if test "x$OPENJDK_$1_CPU" = xx86; then HOTSPOT_$1_CPU_DEFINE=IA32 elif test "x$OPENJDK_$1_CPU" = xx86_64; then HOTSPOT_$1_CPU_DEFINE=AMD64 elif test "x$OPENJDK_$1_CPU" = xx32; then HOTSPOT_$1_CPU_DEFINE=X32 elif test "x$OPENJDK_$1_CPU" = xsparcv9; then HOTSPOT_$1_CPU_DEFINE=SPARC elif test "x$OPENJDK_$1_CPU" = xaarch64; then HOTSPOT_$1_CPU_DEFINE=AARCH64 elif test "x$OPENJDK_$1_CPU" = xppc64; then HOTSPOT_$1_CPU_DEFINE=PPC64 elif test "x$OPENJDK_$1_CPU" = xppc64le; then HOTSPOT_$1_CPU_DEFINE=PPC64 elif test "x$OPENJDK_$1_CPU" = xriscv64; then HOTSPOT_$1_CPU_DEFINE=RISCV64 # The cpu defines below are for zero, we don't support them directly. elif test "x$OPENJDK_$1_CPU" = xsparc; then HOTSPOT_$1_CPU_DEFINE=SPARC elif test "x$OPENJDK_$1_CPU" = xppc; then HOTSPOT_$1_CPU_DEFINE=PPC32 elif test "x$OPENJDK_$1_CPU" = xriscv32; then HOTSPOT_$1_CPU_DEFINE=RISCV32 elif test "x$OPENJDK_$1_CPU" = xs390; then HOTSPOT_$1_CPU_DEFINE=S390 elif test "x$OPENJDK_$1_CPU" = xs390x; then HOTSPOT_$1_CPU_DEFINE=S390 elif test "x$OPENJDK_$1_CPU" = xloongarch64; then HOTSPOT_$1_CPU_DEFINE=LOONGARCH64 elif test "x$OPENJDK_$1_CPU" != x; then HOTSPOT_$1_CPU_DEFINE=$(echo $OPENJDK_$1_CPU | tr a-z A-Z) fi AC_SUBST(HOTSPOT_$1_CPU_DEFINE) HOTSPOT_$1_LIBC=$OPENJDK_$1_LIBC AC_SUBST(HOTSPOT_$1_LIBC) # For historical reasons, the OS include directories have odd names. OPENJDK_$1_OS_INCLUDE_SUBDIR="$OPENJDK_TARGET_OS" if test "x$OPENJDK_TARGET_OS" = "xwindows"; then OPENJDK_$1_OS_INCLUDE_SUBDIR="win32" elif test "x$OPENJDK_TARGET_OS" = "xmacosx"; then OPENJDK_$1_OS_INCLUDE_SUBDIR="darwin" fi AC_SUBST(OPENJDK_$1_OS_INCLUDE_SUBDIR) ]) AC_DEFUN([PLATFORM_SET_RELEASE_FILE_OS_VALUES], [ if test "x$OPENJDK_TARGET_OS" = "xlinux"; then RELEASE_FILE_OS_NAME=Linux fi if test "x$OPENJDK_TARGET_OS" = "xwindows"; then RELEASE_FILE_OS_NAME=Windows fi if test "x$OPENJDK_TARGET_OS" = xmacosx; then RELEASE_FILE_OS_NAME="Darwin" fi if test "x$OPENJDK_TARGET_OS" = "xaix"; then RELEASE_FILE_OS_NAME="AIX" fi RELEASE_FILE_OS_ARCH=${OPENJDK_TARGET_CPU} RELEASE_FILE_LIBC=${OPENJDK_TARGET_LIBC} AC_SUBST(RELEASE_FILE_OS_NAME) AC_SUBST(RELEASE_FILE_OS_ARCH) AC_SUBST(RELEASE_FILE_LIBC) ]) AC_DEFUN([PLATFORM_SET_MODULE_TARGET_OS_VALUES], [ if test "x$OPENJDK_TARGET_OS" = xmacosx; then OPENJDK_MODULE_TARGET_OS_NAME="macos" else OPENJDK_MODULE_TARGET_OS_NAME="$OPENJDK_TARGET_OS" fi if test "x$OPENJDK_TARGET_CPU" = xx86_64; then OPENJDK_MODULE_TARGET_OS_ARCH="amd64" else OPENJDK_MODULE_TARGET_OS_ARCH="$OPENJDK_TARGET_CPU" fi OPENJDK_MODULE_TARGET_PLATFORM="${OPENJDK_MODULE_TARGET_OS_NAME}-${OPENJDK_MODULE_TARGET_OS_ARCH}" AC_SUBST(OPENJDK_MODULE_TARGET_PLATFORM) ]) #%%% Build and target systems %%% # Make sure to only use tools set up in BASIC_SETUP_FUNDAMENTAL_TOOLS. AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_AND_TARGET], [ # Figure out the build and target systems. # Note that in autoconf terminology, "build" is obvious, but "target" # is confusing; it assumes you are cross-compiling a cross-compiler (!) and "target" is thus the target of the # product you're building. The target of this build is called "host". Since this is confusing to most people, we # have not adopted that system, but use "target" as the platform we are building for. In some places though we need # to use the configure naming style. AC_CANONICAL_BUILD AC_CANONICAL_HOST AC_CANONICAL_TARGET PLATFORM_EXTRACT_TARGET_AND_BUILD PLATFORM_SETUP_TARGET_CPU_BITS PLATFORM_SET_MODULE_TARGET_OS_VALUES PLATFORM_SET_RELEASE_FILE_OS_VALUES PLATFORM_SETUP_LEGACY_VARS PLATFORM_CHECK_DEPRECATION ]) AC_DEFUN([PLATFORM_CHECK_DEPRECATION], [ AC_ARG_ENABLE(deprecated-ports, [AS_HELP_STRING([--enable-deprecated-ports@<:@=yes/no@:>@], [Suppress the error when configuring for a deprecated port @<:@no@:>@])]) # There are no deprecated ports. Implement the deprecation warnings here. ]) AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_OS_VERSION], [ ############################################################################## # Note that this is the build platform OS version! OS_VERSION="`uname -r | ${SED} 's!\.! !g' | ${SED} 's!-! !g'`" OS_VERSION_MAJOR="`${ECHO} ${OS_VERSION} | ${CUT} -f 1 -d ' '`" OS_VERSION_MINOR="`${ECHO} ${OS_VERSION} | ${CUT} -f 2 -d ' '`" OS_VERSION_MICRO="`${ECHO} ${OS_VERSION} | ${CUT} -f 3 -d ' '`" AC_SUBST(OS_VERSION_MAJOR) AC_SUBST(OS_VERSION_MINOR) AC_SUBST(OS_VERSION_MICRO) ]) AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_BITS], [ ############################################################################## # # Now we check if libjvm.so will use 32 or 64 bit pointers for the C/C++ code. # (The JVM can use 32 or 64 bit Java pointers but that decision # is made at runtime.) # # Make compilation sanity check AC_CHECK_HEADERS([stdio.h], , [ AC_MSG_NOTICE([Failed to compile stdio.h. This likely implies missing compile dependencies.]) if test "x$COMPILE_TYPE" = xreduced; then HELP_MSG_MISSING_DEPENDENCY([reduced]) AC_MSG_NOTICE([You are doing a reduced build. Check that you have 32-bit libraries installed. $HELP_MSG]) elif test "x$COMPILE_TYPE" = xcross; then AC_MSG_NOTICE([You are doing a cross-compilation. Check that you have all target platform libraries installed.]) fi AC_MSG_ERROR([Cannot continue.]) ]) AC_CHECK_SIZEOF([int *], [1111]) # AC_CHECK_SIZEOF defines 'ac_cv_sizeof_int_p' to hold the number of bytes used by an 'int*' if test "x$ac_cv_sizeof_int_p" = x; then # The test failed, lets stick to the assumed value. AC_MSG_WARN([The number of bits in the target could not be determined, using $OPENJDK_TARGET_CPU_BITS.]) else TESTED_TARGET_CPU_BITS=`expr 8 \* $ac_cv_sizeof_int_p` if test "x$TESTED_TARGET_CPU_BITS" != "x$OPENJDK_TARGET_CPU_BITS"; then AC_MSG_NOTICE([The tested number of bits in the target ($TESTED_TARGET_CPU_BITS) differs from the number of bits expected to be found in the target ($OPENJDK_TARGET_CPU_BITS)]) if test "x$COMPILE_TYPE" = xreduced; then HELP_MSG_MISSING_DEPENDENCY([reduced]) AC_MSG_NOTICE([You are doing a reduced build. Check that you have 32-bit libraries installed. $HELP_MSG]) elif test "x$COMPILE_TYPE" = xcross; then AC_MSG_NOTICE([You are doing a cross-compilation. Check that you have all target platform libraries installed.]) fi AC_MSG_ERROR([Cannot continue.]) fi fi AC_MSG_CHECKING([for target address size]) AC_MSG_RESULT([$OPENJDK_TARGET_CPU_BITS bits]) ]) AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS], [ ############################################################################## # # Is the target little or big endian? # AC_C_BIGENDIAN([ENDIAN="big"],[ENDIAN="little"],[ENDIAN="unknown"],[ENDIAN="universal_endianness"]) if test "x$ENDIAN" = xuniversal_endianness; then AC_MSG_ERROR([Building with both big and little endianness is not supported]) fi if test "x$ENDIAN" != "x$OPENJDK_TARGET_CPU_ENDIAN"; then AC_MSG_ERROR([The tested endian in the target ($ENDIAN) differs from the endian expected to be found in the target ($OPENJDK_TARGET_CPU_ENDIAN)]) fi ])