platform.m4 revision 693:1dfcc874461e
1158115Sume# 2158115Sume# Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. 3158115Sume# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4158115Sume# 5158115Sume# This code is free software; you can redistribute it and/or modify it 6158115Sume# under the terms of the GNU General Public License version 2 only, as 7158115Sume# published by the Free Software Foundation. Oracle designates this 8158115Sume# particular file as subject to the "Classpath" exception as provided 9158115Sume# by Oracle in the LICENSE file that accompanied this code. 10158115Sume# 11158115Sume# This code is distributed in the hope that it will be useful, but WITHOUT 12158115Sume# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13158115Sume# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14158115Sume# version 2 for more details (a copy is included in the LICENSE file that 15158115Sume# accompanied this code). 16158115Sume# 17158115Sume# You should have received a copy of the GNU General Public License version 18158115Sume# 2 along with this work; if not, write to the Free Software Foundation, 19158115Sume# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20158115Sume# 21158115Sume# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22158115Sume# or visit www.oracle.com if you need additional information or have any 23158115Sume# questions. 24158115Sume# 25158115Sume 26158115Sume# Support macro for PLATFORM_EXTRACT_TARGET_AND_BUILD. 27158115Sume# Converts autoconf style CPU name to OpenJDK style, into 28158115Sume# VAR_CPU, VAR_CPU_ARCH, VAR_CPU_BITS and VAR_CPU_ENDIAN. 29158115SumeAC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_CPU], 30158115Sume[ 31194089Sdes # First argument is the cpu name from the trip/quad 32158115Sume case "$1" in 33158115Sume x86_64) 34194089Sdes VAR_CPU=x86_64 35158115Sume VAR_CPU_ARCH=x86 36158115Sume VAR_CPU_BITS=64 37194089Sdes VAR_CPU_ENDIAN=little 38158115Sume ;; 39158115Sume i?86) 40158115Sume VAR_CPU=x86 41158115Sume VAR_CPU_ARCH=x86 42158115Sume VAR_CPU_BITS=32 43158115Sume VAR_CPU_ENDIAN=little 44158115Sume ;; 45158115Sume arm*) 46158115Sume VAR_CPU=arm 47158115Sume VAR_CPU_ARCH=arm 48158115Sume VAR_CPU_BITS=32 49158115Sume VAR_CPU_ENDIAN=little 50158115Sume ;; 51158115Sume powerpc) 52158115Sume VAR_CPU=ppc 53158115Sume VAR_CPU_ARCH=ppc 54158115Sume VAR_CPU_BITS=32 55158115Sume VAR_CPU_ENDIAN=big 56158115Sume ;; 57171795Sbushman powerpc64) 58158115Sume VAR_CPU=ppc64 59158115Sume VAR_CPU_ARCH=ppc 60158115Sume VAR_CPU_BITS=64 61158115Sume VAR_CPU_ENDIAN=big 62158115Sume ;; 63171795Sbushman sparc) 64158115Sume VAR_CPU=sparc 65171795Sbushman VAR_CPU_ARCH=sparc 66158115Sume VAR_CPU_BITS=32 67158115Sume VAR_CPU_ENDIAN=big 68158115Sume ;; 69158115Sume sparcv9) 70158115Sume VAR_CPU=sparcv9 71158115Sume VAR_CPU_ARCH=sparc 72158115Sume VAR_CPU_BITS=64 73158115Sume VAR_CPU_ENDIAN=big 74158115Sume ;; 75158115Sume *) 76158115Sume AC_MSG_ERROR([unsupported cpu $1]) 77158115Sume ;; 78158115Sume esac 79158115Sume]) 80158115Sume 81158115Sume# Support macro for PLATFORM_EXTRACT_TARGET_AND_BUILD. 82158115Sume# Converts autoconf style OS name to OpenJDK style, into 83158115Sume# VAR_OS and VAR_OS_API. 84158115SumeAC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_OS], 85158115Sume[ 86158115Sume case "$1" in 87158115Sume *linux*) 88158115Sume VAR_OS=linux 89158115Sume VAR_OS_API=posix 90158115Sume VAR_OS_ENV=linux 91158115Sume ;; 92158115Sume *solaris*) 93158115Sume VAR_OS=solaris 94158115Sume VAR_OS_API=posix 95162891Sru VAR_OS_ENV=solaris 96171795Sbushman ;; 97158115Sume *darwin*) 98158115Sume VAR_OS=macosx 99158115Sume VAR_OS_API=posix 100158115Sume VAR_OS_ENV=macosx 101158115Sume ;; 102158115Sume *bsd*) 103158115Sume VAR_OS=bsd 104158115Sume VAR_OS_API=posix 105158115Sume VAR_OS_ENV=bsd 106158115Sume ;; 107158115Sume *cygwin*) 108158115Sume VAR_OS=windows 109158115Sume VAR_OS_API=winapi 110158115Sume VAR_OS_ENV=windows.cygwin 111158115Sume ;; 112158115Sume *mingw*) 113158115Sume VAR_OS=windows 114158115Sume VAR_OS_API=winapi 115158115Sume VAR_OS_ENV=windows.msys 116158115Sume ;; 117158115Sume *) 118158115Sume AC_MSG_ERROR([unsupported operating system $1]) 119158115Sume ;; 120158115Sume esac 121158115Sume]) 122158115Sume 123158115Sume# Expects $host_os $host_cpu $build_os and $build_cpu 124158115Sume# and $with_target_bits to have been setup! 125158115Sume# 126194097Sdes# Translate the standard triplet(quadruplet) definition 127158115Sume# of the target/build system into OPENJDK_TARGET_OS, OPENJDK_TARGET_CPU, 128158115Sume# OPENJDK_BUILD_OS, etc. 129158115SumeAC_DEFUN([PLATFORM_EXTRACT_TARGET_AND_BUILD], 130158115Sume[ 131158115Sume # Copy the autoconf trip/quadruplet verbatim to OPENJDK_TARGET_AUTOCONF_NAME 132158115Sume # (from the autoconf "host") and OPENJDK_BUILD_AUTOCONF_NAME 133194097Sdes # Note that we might later on rewrite e.g. OPENJDK_TARGET_CPU due to reduced build, 134158115Sume # but this will not change the value of OPENJDK_TARGET_AUTOCONF_NAME. 135158115Sume OPENJDK_TARGET_AUTOCONF_NAME="$host" 136158115Sume OPENJDK_BUILD_AUTOCONF_NAME="$build" 137158115Sume AC_SUBST(OPENJDK_TARGET_AUTOCONF_NAME) 138158115Sume AC_SUBST(OPENJDK_BUILD_AUTOCONF_NAME) 139158115Sume 140158115Sume # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU variables. 141158115Sume PLATFORM_EXTRACT_VARS_FROM_OS($build_os) 142158115Sume PLATFORM_EXTRACT_VARS_FROM_CPU($build_cpu) 143158115Sume # ..and setup our own variables. (Do this explicitely to facilitate searching) 144158115Sume OPENJDK_BUILD_OS="$VAR_OS" 145158115Sume OPENJDK_BUILD_OS_API="$VAR_OS_API" 146158115Sume OPENJDK_BUILD_OS_ENV="$VAR_OS_ENV" 147158115Sume OPENJDK_BUILD_CPU="$VAR_CPU" 148158115Sume OPENJDK_BUILD_CPU_ARCH="$VAR_CPU_ARCH" 149158115Sume OPENJDK_BUILD_CPU_BITS="$VAR_CPU_BITS" 150158115Sume OPENJDK_BUILD_CPU_ENDIAN="$VAR_CPU_ENDIAN" 151158115Sume AC_SUBST(OPENJDK_BUILD_OS) 152158115Sume AC_SUBST(OPENJDK_BUILD_OS_API) 153158115Sume AC_SUBST(OPENJDK_BUILD_CPU) 154158115Sume AC_SUBST(OPENJDK_BUILD_CPU_ARCH) 155158115Sume AC_SUBST(OPENJDK_BUILD_CPU_BITS) 156158115Sume AC_SUBST(OPENJDK_BUILD_CPU_ENDIAN) 157158115Sume 158158115Sume AC_MSG_CHECKING([openjdk-build os-cpu]) 159158115Sume AC_MSG_RESULT([$OPENJDK_BUILD_OS-$OPENJDK_BUILD_CPU]) 160158115Sume 161158115Sume # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU variables. 162158115Sume PLATFORM_EXTRACT_VARS_FROM_OS($host_os) 163158115Sume PLATFORM_EXTRACT_VARS_FROM_CPU($host_cpu) 164158115Sume # ... and setup our own variables. (Do this explicitely to facilitate searching) 165158115Sume OPENJDK_TARGET_OS="$VAR_OS" 166158115Sume OPENJDK_TARGET_OS_API="$VAR_OS_API" 167194104Sdes OPENJDK_TARGET_OS_ENV="$VAR_OS_ENV" 168158115Sume OPENJDK_TARGET_CPU="$VAR_CPU" 169158115Sume OPENJDK_TARGET_CPU_ARCH="$VAR_CPU_ARCH" 170158115Sume OPENJDK_TARGET_CPU_BITS="$VAR_CPU_BITS" 171158115Sume OPENJDK_TARGET_CPU_ENDIAN="$VAR_CPU_ENDIAN" 172158115Sume AC_SUBST(OPENJDK_TARGET_OS) 173158115Sume AC_SUBST(OPENJDK_TARGET_OS_API) 174158115Sume AC_SUBST(OPENJDK_TARGET_CPU) 175158115Sume AC_SUBST(OPENJDK_TARGET_CPU_ARCH) 176158115Sume AC_SUBST(OPENJDK_TARGET_CPU_BITS) 177184187Sdelphij AC_SUBST(OPENJDK_TARGET_CPU_ENDIAN) 178158115Sume 179158115Sume AC_MSG_CHECKING([openjdk-target os-cpu]) 180158115Sume AC_MSG_RESULT([$OPENJDK_TARGET_OS-$OPENJDK_TARGET_CPU]) 181158115Sume]) 182158115Sume 183158115Sume# Check if a reduced build (32-bit on 64-bit platforms) is requested, and modify behaviour 184158115Sume# accordingly. Must be done after setting up build and target system, but before 185158115Sume# doing anything else with these values. 186158115SumeAC_DEFUN([PLATFORM_SETUP_TARGET_CPU_BITS], 187158115Sume[ 188158115Sume AC_ARG_WITH(target-bits, [AS_HELP_STRING([--with-target-bits], 189158115Sume [build 32-bit or 64-bit binaries (for platforms that support it), e.g. --with-target-bits=32 @<:@guessed@:>@])]) 190158115Sume 191158115Sume # We have three types of compiles: 192158115Sume # native == normal compilation, target system == build system 193158115Sume # cross == traditional cross compilation, target system != build system; special toolchain needed 194158115Sume # reduced == using native compilers, but with special flags (e.g. -m32) to produce 32-bit builds on 64-bit machines 195158115Sume # 196158115Sume if test "x$OPENJDK_BUILD_AUTOCONF_NAME" != "x$OPENJDK_TARGET_AUTOCONF_NAME"; then 197158115Sume # We're doing a proper cross-compilation 198158115Sume COMPILE_TYPE="cross" 199158115Sume else 200158115Sume COMPILE_TYPE="native" 201158115Sume fi 202158115Sume 203158115Sume if test "x$with_target_bits" != x; then 204158115Sume if test "x$COMPILE_TYPE" = "xcross"; then 205158115Sume AC_MSG_ERROR([It is not possible to combine --with-target-bits=X and proper cross-compilation. Choose either.]) 206158115Sume fi 207158115Sume 208158115Sume if test "x$with_target_bits" = x32 && test "x$OPENJDK_TARGET_CPU_BITS" = x64; then 209158115Sume # A reduced build is requested 210158115Sume COMPILE_TYPE="reduced" 211158115Sume OPENJDK_TARGET_CPU_BITS=32 212158115Sume if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then 213158115Sume OPENJDK_TARGET_CPU=x86 214158115Sume elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then 215158115Sume OPENJDK_TARGET_CPU=sparc 216158115Sume else 217158115Sume AC_MSG_ERROR([Reduced build (--with-target-bits=32) is only supported on x86_64 and sparcv9]) 218158115Sume fi 219158115Sume elif test "x$with_target_bits" = x64 && test "x$OPENJDK_TARGET_CPU_BITS" = x32; then 220158115Sume AC_MSG_ERROR([It is not possible to use --with-target-bits=64 on a 32 bit system. Use proper cross-compilation instead.]) 221158115Sume elif test "x$with_target_bits" = "x$OPENJDK_TARGET_CPU_BITS"; then 222158115Sume AC_MSG_NOTICE([--with-target-bits are set to build platform address size; argument has no meaning]) 223158115Sume else 224158115Sume AC_MSG_ERROR([--with-target-bits can only be 32 or 64, you specified $with_target_bits!]) 225158115Sume fi 226158115Sume fi 227158115Sume AC_SUBST(COMPILE_TYPE) 228158115Sume 229158115SumeAC_MSG_CHECKING([compilation type]) 230158115SumeAC_MSG_RESULT([$COMPILE_TYPE]) 231158115Sume]) 232158115Sume 233158115Sume # Setup the legacy variables, for controlling the old makefiles. 234158115Sume # 235158115SumeAC_DEFUN([PLATFORM_SETUP_LEGACY_VARS], 236158115Sume[ 237158115Sume # Also store the legacy naming of the cpu. 238158115Sume # Ie i586 and amd64 instead of x86 and x86_64 239158115Sume OPENJDK_TARGET_CPU_LEGACY="$OPENJDK_TARGET_CPU" 240158115Sume if test "x$OPENJDK_TARGET_CPU" = xx86; then 241158115Sume OPENJDK_TARGET_CPU_LEGACY="i586" 242158115Sume elif test "x$OPENJDK_TARGET_OS" != xmacosx && test "x$OPENJDK_TARGET_CPU" = xx86_64; then 243158115Sume # On all platforms except MacOSX replace x86_64 with amd64. 244158115Sume OPENJDK_TARGET_CPU_LEGACY="amd64" 245158115Sume fi 246158115Sume AC_SUBST(OPENJDK_TARGET_CPU_LEGACY) 247158115Sume 248158115Sume # And the second legacy naming of the cpu. 249158115Sume # Ie i386 and amd64 instead of x86 and x86_64. 250158115Sume OPENJDK_TARGET_CPU_LEGACY_LIB="$OPENJDK_TARGET_CPU" 251158115Sume if test "x$OPENJDK_TARGET_CPU" = xx86; then 252158115Sume OPENJDK_TARGET_CPU_LEGACY_LIB="i386" 253158115Sume elif test "x$OPENJDK_TARGET_CPU" = xx86_64; then 254158115Sume OPENJDK_TARGET_CPU_LEGACY_LIB="amd64" 255158115Sume fi 256158115Sume AC_SUBST(OPENJDK_TARGET_CPU_LEGACY_LIB) 257158115Sume 258158115Sume # This is the name of the cpu (but using i386 and amd64 instead of 259158115Sume # x86 and x86_64, respectively), preceeded by a /, to be used when 260158115Sume # locating libraries. On macosx, it's empty, though. 261158115Sume OPENJDK_TARGET_CPU_LIBDIR="/$OPENJDK_TARGET_CPU_LEGACY_LIB" 262158115Sume if test "x$OPENJDK_TARGET_OS" = xmacosx; then 263158115Sume OPENJDK_TARGET_CPU_LIBDIR="" 264158115Sume fi 265158115Sume AC_SUBST(OPENJDK_TARGET_CPU_LIBDIR) 266158115Sume 267158115Sume # OPENJDK_TARGET_CPU_ISADIR is normally empty. On 64-bit Solaris systems, it is set to 268158115Sume # /amd64 or /sparcv9. This string is appended to some library paths, like this: 269158115Sume # /usr/lib${OPENJDK_TARGET_CPU_ISADIR}/libexample.so 270158115Sume OPENJDK_TARGET_CPU_ISADIR="" 271158115Sume if test "x$OPENJDK_TARGET_OS" = xsolaris; then 272158115Sume if test "x$OPENJDK_TARGET_CPU" = xx86_64; then 273158115Sume OPENJDK_TARGET_CPU_ISADIR="/amd64" 274158115Sume elif test "x$OPENJDK_TARGET_CPU" = xsparcv9; then 275158115Sume OPENJDK_TARGET_CPU_ISADIR="/sparcv9" 276158115Sume fi 277158115Sume fi 278158115Sume AC_SUBST(OPENJDK_TARGET_CPU_ISADIR) 279158115Sume 280158115Sume # Setup OPENJDK_TARGET_CPU_OSARCH, which is used to set the os.arch Java system property 281158115Sume OPENJDK_TARGET_CPU_OSARCH="$OPENJDK_TARGET_CPU" 282158115Sume if test "x$OPENJDK_TARGET_OS" = xlinux && test "x$OPENJDK_TARGET_CPU" = xx86; then 283158115Sume # On linux only, we replace x86 with i386. 284158115Sume OPENJDK_TARGET_CPU_OSARCH="i386" 285158115Sume elif test "x$OPENJDK_TARGET_OS" != xmacosx && test "x$OPENJDK_TARGET_CPU" = xx86_64; then 286158115Sume # On all platforms except macosx, we replace x86_64 with amd64. 287158115Sume OPENJDK_TARGET_CPU_OSARCH="amd64" 288158115Sume fi 289158115Sume AC_SUBST(OPENJDK_TARGET_CPU_OSARCH) 290158115Sume 291158115Sume OPENJDK_TARGET_CPU_JLI="$OPENJDK_TARGET_CPU" 292158115Sume if test "x$OPENJDK_TARGET_CPU" = xx86; then 293158115Sume OPENJDK_TARGET_CPU_JLI="i386" 294158115Sume elif test "x$OPENJDK_TARGET_OS" != xmacosx && test "x$OPENJDK_TARGET_CPU" = xx86_64; then 295158115Sume # On all platforms except macosx, we replace x86_64 with amd64. 296158115Sume OPENJDK_TARGET_CPU_JLI="amd64" 297158115Sume fi 298158115Sume # Now setup the -D flags for building libjli. 299158115Sume OPENJDK_TARGET_CPU_JLI_CFLAGS="-DLIBARCHNAME='\"$OPENJDK_TARGET_CPU_JLI\"'" 300158115Sume if test "x$OPENJDK_TARGET_OS" = xsolaris; then 301158115Sume if test "x$OPENJDK_TARGET_CPU_ARCH" = xsparc; then 302158115Sume OPENJDK_TARGET_CPU_JLI_CFLAGS="$OPENJDK_TARGET_CPU_JLI_CFLAGS -DLIBARCH32NAME='\"sparc\"' -DLIBARCH64NAME='\"sparcv9\"'" 303158115Sume elif test "x$OPENJDK_TARGET_CPU_ARCH" = xx86; then 304158115Sume OPENJDK_TARGET_CPU_JLI_CFLAGS="$OPENJDK_TARGET_CPU_JLI_CFLAGS -DLIBARCH32NAME='\"i386\"' -DLIBARCH64NAME='\"amd64\"'" 305158115Sume fi 306158115Sume fi 307158115Sume AC_SUBST(OPENJDK_TARGET_CPU_JLI_CFLAGS) 308158115Sume 309158115Sume # Setup OPENJDK_TARGET_OS_API_DIR, used in source paths. 310158115Sume if test "x$OPENJDK_TARGET_OS_API" = xposix; then 311158115Sume OPENJDK_TARGET_OS_API_DIR="solaris" 312158115Sume fi 313158115Sume if test "x$OPENJDK_TARGET_OS_API" = xwinapi; then 314158115Sume OPENJDK_TARGET_OS_API_DIR="windows" 315158115Sume fi 316158115Sume AC_SUBST(OPENJDK_TARGET_OS_API_DIR) 317158115Sume 318158115Sume if test "x$OPENJDK_TARGET_CPU_BITS" = x64; then 319194096Sdes A_LP64="LP64:=" 320158115Sume # -D_LP64=1 is only set on linux and mac. Setting on windows causes diff in 321194096Sdes # unpack200.exe 322158115Sume if test "x$OPENJDK_TARGET_OS" = xlinux || test "x$OPENJDK_TARGET_OS" = xmacosx; then 323158115Sume ADD_LP64="-D_LP64=1" 324158115Sume fi 325158115Sume fi 326158115Sume AC_SUBST(LP64,$A_LP64) 327158115Sume 328158115Sume if test "x$COMPILE_TYPE" = "xcross"; then 329158115Sume # FIXME: ... or should this include reduced builds..? 330158115Sume DEFINE_CROSS_COMPILE_ARCH="CROSS_COMPILE_ARCH:=$OPENJDK_TARGET_CPU_LEGACY" 331158115Sume else 332158115Sume DEFINE_CROSS_COMPILE_ARCH="" 333158115Sume fi 334158115Sume AC_SUBST(DEFINE_CROSS_COMPILE_ARCH) 335158115Sume 336158115Sume # Some Zero and Shark settings. 337158115Sume # ZERO_ARCHFLAG tells the compiler which mode to build for 338158115Sume case "${OPENJDK_TARGET_CPU}" in 339158115Sume s390) 340158115Sume ZERO_ARCHFLAG="-m31" 341158115Sume ;; 342158115Sume *) 343158115Sume ZERO_ARCHFLAG="-m${OPENJDK_TARGET_CPU_BITS}" 344158115Sume esac 345158115Sume PLATFORM_COMPILER_CHECK_ARGUMENTS([$ZERO_ARCHFLAG], [], [ZERO_ARCHFLAG=""]) 346158115Sume AC_SUBST(ZERO_ARCHFLAG) 347158115Sume 348158115Sume # ZERO_ARCHDEF is used to enable architecture-specific code 349158115Sume case "${OPENJDK_TARGET_CPU}" in 350158115Sume ppc*) ZERO_ARCHDEF=PPC ;; 351158115Sume s390*) ZERO_ARCHDEF=S390 ;; 352158115Sume sparc*) ZERO_ARCHDEF=SPARC ;; 353158115Sume x86_64*) ZERO_ARCHDEF=AMD64 ;; 354158115Sume x86) ZERO_ARCHDEF=IA32 ;; 355158115Sume *) ZERO_ARCHDEF=$(echo "${OPENJDK_TARGET_CPU_LEGACY_LIB}" | tr a-z A-Z) 356158115Sume esac 357158115Sume AC_SUBST(ZERO_ARCHDEF) 358158115Sume 359158115Sume]) 360158115Sume 361158115SumeAC_DEFUN([PLATFORM_SET_RELEASE_FILE_OS_VALUES], 362158115Sume[ 363158115Sume if test "x$OPENJDK_TARGET_OS" = "xsolaris"; then 364158115Sume REQUIRED_OS_NAME=SunOS 365158115Sume REQUIRED_OS_VERSION=5.10 366158115Sume fi 367158115Sume if test "x$OPENJDK_TARGET_OS" = "xlinux"; then 368158115Sume REQUIRED_OS_NAME=Linux 369158115Sume REQUIRED_OS_VERSION=2.6 370158115Sume fi 371158115Sume if test "x$OPENJDK_TARGET_OS" = "xwindows"; then 372158115Sume REQUIRED_OS_NAME=Windows 373158115Sume if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then 374158115Sume REQUIRED_OS_VERSION=5.2 375158115Sume else 376158115Sume REQUIRED_OS_VERSION=5.1 377158115Sume fi 378158115Sume fi 379158115Sume if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then 380158115Sume REQUIRED_OS_NAME=Darwin 381158115Sume REQUIRED_OS_VERSION=11.2 382158115Sume fi 383158115Sume 384158115Sume AC_SUBST(REQUIRED_OS_NAME) 385158115Sume AC_SUBST(REQUIRED_OS_VERSION) 386158115Sume]) 387158115Sume 388158115Sume#%%% Build and target systems %%% 389158115SumeAC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_AND_TARGET], 390158115Sume[ 391158115Sume# Figure out the build and target systems. # Note that in autoconf terminology, "build" is obvious, but "target" 392158115Sume# is confusing; it assumes you are cross-compiling a cross-compiler (!) and "target" is thus the target of the 393158115Sume# product you're building. The target of this build is called "host". Since this is confusing to most people, we 394158115Sume# have not adopted that system, but use "target" as the platform we are building for. In some places though we need 395158115Sume# to use the configure naming style. 396158115SumeAC_CANONICAL_BUILD 397158115SumeAC_CANONICAL_HOST 398158115SumeAC_CANONICAL_TARGET 399158115Sume 400158115SumePLATFORM_EXTRACT_TARGET_AND_BUILD 401158115SumePLATFORM_SETUP_TARGET_CPU_BITS 402158115SumePLATFORM_SET_RELEASE_FILE_OS_VALUES 403158115SumePLATFORM_SETUP_LEGACY_VARS 404158115Sume]) 405158115Sume 406158115SumeAC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_BUILD_OS_VERSION], 407158115Sume[ 408158115Sume############################################################################### 409158115Sume 410158115Sume# Note that this is the build platform OS version! 411194104Sdes 412158115SumeOS_VERSION="`uname -r | ${SED} 's!\.! !g' | ${SED} 's!-! !g'`" 413158115SumeOS_VERSION_MAJOR="`${ECHO} ${OS_VERSION} | ${CUT} -f 1 -d ' '`" 414158115SumeOS_VERSION_MINOR="`${ECHO} ${OS_VERSION} | ${CUT} -f 2 -d ' '`" 415158115SumeOS_VERSION_MICRO="`${ECHO} ${OS_VERSION} | ${CUT} -f 3 -d ' '`" 416158115SumeAC_SUBST(OS_VERSION_MAJOR) 417158115SumeAC_SUBST(OS_VERSION_MINOR) 418158115SumeAC_SUBST(OS_VERSION_MICRO) 419158115Sume]) 420158115Sume 421158115Sume# PLATFORM_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE], 422158115Sume# [RUN-IF-FALSE]) 423158115Sume# ------------------------------------------------------------ 424158115Sume# Check that the c and c++ compilers support an argument 425158115SumeAC_DEFUN([PLATFORM_COMPILER_CHECK_ARGUMENTS], 426158115Sume[ 427158115Sume AC_MSG_CHECKING([if compiler supports "$1"]) 428158115Sume supports=yes 429158115Sume 430158115Sume saved_cflags="$CFLAGS" 431158115Sume CFLAGS="$CFLAGS $1" 432158115Sume AC_LANG_PUSH([C]) 433158115Sume AC_COMPILE_IFELSE([ 434158115Sume AC_LANG_SOURCE([[int i;]]) 435158115Sume ], [], [supports=no]) 436158115Sume AC_LANG_POP([C]) 437158115Sume CFLAGS="$saved_cflags" 438158115Sume 439158115Sume saved_cxxflags="$CXXFLAGS" 440158115Sume CXXFLAGS="$CXXFLAG $1" 441158115Sume AC_LANG_PUSH([C++]) 442158115Sume AC_COMPILE_IFELSE([ 443158115Sume AC_LANG_SOURCE([[int i;]]) 444158115Sume ], [], [supports=no]) 445158115Sume AC_LANG_POP([C++]) 446158115Sume CXXFLAGS="$saved_cxxflags" 447158115Sume 448158115Sume AC_MSG_RESULT([$supports]) 449158115Sume if test "x$supports" = "xyes" ; then 450158115Sume m4_ifval([$2], [$2], [:]) 451158115Sume else 452158115Sume m4_ifval([$3], [$3], [:]) 453158115Sume fi 454158115Sume]) 455158115Sume 456158115Sume# Check that the compiler supports -mX flags 457158115Sume# Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does 458158115SumeAC_DEFUN([PLATFORM_CHECK_COMPILER_TARGET_BITS_FLAGS], 459158115Sume[ 460158115Sume PLATFORM_COMPILER_CHECK_ARGUMENTS([-m${OPENJDK_TARGET_CPU_BITS}], 461158115Sume [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true], 462158115Sume [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false]) 463158115Sume AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG) 464158115Sume]) 465158115Sume 466158115Sume# Support macro for PLATFORM_SETUP_OPENJDK_TARGET_BITS. 467158115Sume# Add -mX to various FLAGS variables. 468158115SumeAC_DEFUN([PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS], 469158115Sume[ 470158115Sume # keep track of c/cxx flags that we added outselves... 471158115Sume # to prevent emitting warning... 472158115Sume ADDED_CFLAGS=" -m${OPENJDK_TARGET_CPU_BITS}" 473158115Sume ADDED_CXXFLAGS=" -m${OPENJDK_TARGET_CPU_BITS}" 474158115Sume ADDED_LDFLAGS=" -m${OPENJDK_TARGET_CPU_BITS}" 475158115Sume 476158115Sume CFLAGS="${CFLAGS}${ADDED_CFLAGS}" 477158115Sume CXXFLAGS="${CXXFLAGS}${ADDED_CXXFLAGS}" 478158115Sume LDFLAGS="${LDFLAGS}${ADDED_LDFLAGS}" 479158115Sume 480158115Sume CFLAGS_JDK="${CFLAGS_JDK}${ADDED_CFLAGS}" 481158115Sume CXXFLAGS_JDK="${CXXFLAGS_JDK}${ADDED_CXXFLAGS}" 482158115Sume LDFLAGS_JDK="${LDFLAGS_JDK}${ADDED_LDFLAGS}" 483158115Sume]) 484158115Sume 485158115SumeAC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_BITS], 486158115Sume[ 487158115Sume############################################################################### 488158115Sume# 489158115Sume# Now we check if libjvm.so will use 32 or 64 bit pointers for the C/C++ code. 490158115Sume# (The JVM can use 32 or 64 bit Java pointers but that decision 491158115Sume# is made at runtime.) 492158115Sume# 493158115Sume 494158115SumePLATFORM_CHECK_COMPILER_TARGET_BITS_FLAGS 495158115Sume 496158115Sumeif test "x$OPENJDK_TARGET_OS" = xsolaris; then 497158115Sume # Always specify -m flags on Solaris 498158115Sume PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS 499158115Sumeelif test "x$COMPILE_TYPE" = xreduced; then 500158115Sume if test "x$OPENJDK_TARGET_OS" != xwindows; then 501158115Sume # Specify -m if running reduced on other Posix platforms 502158115Sume PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS 503194096Sdes fi 504158115Sumefi 505158115Sume 506158115Sume# Make compilation sanity check 507158115SumeAC_CHECK_HEADERS([stdio.h], , [ 508158115Sume AC_MSG_NOTICE([Failed to compile stdio.h. This likely implies missing compile dependencies.]) 509158115Sume if test "x$COMPILE_TYPE" = xreduced; then 510158115Sume AC_MSG_NOTICE([You are doing a reduced build. Check that you have 32-bit libraries installed.]) 511158115Sume elif test "x$COMPILE_TYPE" = xcross; then 512158115Sume AC_MSG_NOTICE([You are doing a cross-compilation. Check that you have all target platform libraries installed.]) 513158115Sume fi 514158115Sume AC_MSG_ERROR([Cannot continue.]) 515158115Sume]) 516158115Sume 517158115SumeAC_CHECK_SIZEOF([int *], [1111]) 518158115Sume 519158115Sumeif test "x$SIZEOF_INT_P" != "x$ac_cv_sizeof_int_p"; then 520158115Sume # Workaround autoconf bug, see http://lists.gnu.org/archive/html/autoconf/2010-07/msg00004.html 521158115Sume SIZEOF_INT_P="$ac_cv_sizeof_int_p" 522158115Sumefi 523158115Sume 524158115Sumeif test "x$SIZEOF_INT_P" = x; then 525158115Sume # The test failed, lets stick to the assumed value. 526158115Sume AC_MSG_WARN([The number of bits in the target could not be determined, using $OPENJDK_TARGET_CPU_BITS.]) 527158115Sumeelse 528158115Sume TESTED_TARGET_CPU_BITS=`expr 8 \* $SIZEOF_INT_P` 529158115Sume 530158115Sume if test "x$TESTED_TARGET_CPU_BITS" != "x$OPENJDK_TARGET_CPU_BITS"; then 531158115Sume AC_MSG_ERROR([The tested number of bits in the target ($TESTED_TARGET_CPU_BITS) differs from the number of bits expected to be found in the target ($OPENJDK_TARGET_CPU_BITS)]) 532158115Sume fi 533158115Sumefi 534158115Sume 535158115SumeAC_MSG_CHECKING([for target address size]) 536158115SumeAC_MSG_RESULT([$OPENJDK_TARGET_CPU_BITS bits]) 537158115Sume]) 538158115Sume 539158115SumeAC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS], 540158115Sume[ 541158115Sume############################################################################### 542158115Sume# 543158115Sume# Is the target little of big endian? 544158115Sume# 545158115SumeAC_C_BIGENDIAN([ENDIAN="big"],[ENDIAN="little"],[ENDIAN="unknown"],[ENDIAN="universal_endianness"]) 546158115Sume 547158115Sumeif test "x$ENDIAN" = xuniversal_endianness; then 548158115Sume AC_MSG_ERROR([Building with both big and little endianness is not supported]) 549158115Sumefi 550158115Sumeif test "x$ENDIAN" != "x$OPENJDK_TARGET_CPU_ENDIAN"; then 551158115Sume AC_MSG_ERROR([The tested endian in the target ($ENDIAN) differs from the endian expected to be found in the target ($OPENJDK_TARGET_CPU_ENDIAN)]) 552158115Sumefi 553158115Sume]) 554158115Sume