# # Copyright (c) 2011, 2021, 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. #
################################################################################ # # Setup ABI profile (for arm) #
AC_DEFUN([FLAGS_SETUP_ABI_PROFILE],
[
AC_ARG_WITH(abi-profile, [AS_HELP_STRING([--with-abi-profile],
[specify ABI profile for ARM builds (arm-vfp-sflt,arm-vfp-hflt,arm-sflt, armv5-vfp-sflt,armv6-vfp-hflt,aarch64) @<:@toolchain dependent@:>@ ])])
if test "x$with_abi_profile" != x; then if test "x$OPENJDK_TARGET_CPU" != xarm && \
test "x$OPENJDK_TARGET_CPU" != xaarch64; then
AC_MSG_ERROR([--with-abi-profile only available on arm/aarch64]) fi
OPENJDK_TARGET_ABI_PROFILE=$with_abi_profile
AC_MSG_CHECKING([for ABI profle])
AC_MSG_RESULT([$OPENJDK_TARGET_ABI_PROFILE])
# --- Arm-sflt CFLAGS and ASFLAGS --- # Armv5te is required for assembler, because pld insn used in arm32 hotspot is only in v5E and above. # However, there is also a GCC bug which generates unaligned strd/ldrd instructions on armv5te: # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82445, and it was fixed in gcc 7.1. # The resulting compromise is to enable v5TE for assembler and let GCC generate code for v5T. if test "x$OPENJDK_TARGET_ABI_PROFILE" = xarm-vfp-sflt; then
ARM_FLOAT_TYPE=vfp-sflt
ARM_ARCH_TYPE_FLAGS='-march=armv7-a -mthumb'
ARM_ARCH_TYPE_ASFLAGS='-march=armv7-a -mthumb' elif test "x$OPENJDK_TARGET_ABI_PROFILE" = xarm-vfp-hflt; then
ARM_FLOAT_TYPE=vfp-hflt
ARM_ARCH_TYPE_FLAGS='-march=armv7-a -mthumb'
ARM_ARCH_TYPE_ASFLAGS='-march=armv7-a -mthumb' elif test "x$OPENJDK_TARGET_ABI_PROFILE" = xarm-sflt; then
ARM_FLOAT_TYPE=sflt
ARM_ARCH_TYPE_FLAGS='-march=armv5t -marm'
ARM_ARCH_TYPE_ASFLAGS='-march=armv5te' elif test "x$OPENJDK_TARGET_ABI_PROFILE" = xarmv5-vfp-sflt; then
ARM_FLOAT_TYPE=vfp-sflt
ARM_ARCH_TYPE_FLAGS='-march=armv5t -marm'
ARM_ARCH_TYPE_ASFLAGS='-march=armv5te' elif test "x$OPENJDK_TARGET_ABI_PROFILE" = xarmv6-vfp-hflt; then
ARM_FLOAT_TYPE=vfp-hflt
ARM_ARCH_TYPE_FLAGS='-march=armv6 -marm'
ARM_ARCH_TYPE_ASFLAGS='-march=armv6' elif test "x$OPENJDK_TARGET_ABI_PROFILE" = xaarch64; then # No special flags, just need to trigger setting JDK_ARCH_ABI_PROP_NAME
ARM_FLOAT_TYPE=
ARM_ARCH_TYPE_FLAGS=
ARM_ARCH_TYPE_ASFLAGS= else
AC_MSG_ERROR([Invalid ABI profile: "$OPENJDK_TARGET_ABI_PROFILE"]) fi
if test "x$ARM_FLOAT_TYPE" = xvfp-sflt; then
ARM_FLOAT_TYPE_FLAGS='-mfloat-abi=softfp -mfpu=vfp -DFLOAT_ARCH=-vfp-sflt'
ARM_FLOAT_TYPE_ASFLAGS="-mfloat-abi=softfp -mfpu=vfp" elif test "x$ARM_FLOAT_TYPE" = xvfp-hflt; then
ARM_FLOAT_TYPE_FLAGS='-mfloat-abi=hard -mfpu=vfp -DFLOAT_ARCH=-vfp-hflt'
ARM_FLOAT_TYPE_ASFLAGS="-mfloat-abi=hard -mfpu=vfp" elif test "x$ARM_FLOAT_TYPE" = xsflt; then
ARM_FLOAT_TYPE_FLAGS='-msoft-float -mfpu=vfp'
ARM_FLOAT_TYPE_ASFLAGS="-mfloat-abi=soft -mfpu=vfp" fi
AC_MSG_CHECKING([for $ARM_FLOAT_TYPE floating point flags])
AC_MSG_RESULT([$ARM_FLOAT_TYPE_FLAGS])
AC_MSG_CHECKING([for $ARM_FLOAT_TYPE floating point flags for assembler])
AC_MSG_RESULT([$ARM_FLOAT_TYPE_ASFLAGS])
AC_MSG_CHECKING([for arch type flags])
AC_MSG_RESULT([$ARM_ARCH_TYPE_FLAGS])
AC_MSG_CHECKING([for arch type flags for assembler])
AC_MSG_RESULT([$ARM_ARCH_TYPE_ASFLAGS])
# Now set JDK_ARCH_ABI_PROP_NAME. This is equivalent to the last part of the # autoconf target triplet.
[ JDK_ARCH_ABI_PROP_NAME=`$ECHO $OPENJDK_TARGET_AUTOCONF_NAME | $SED -e 's/.*-\([^-]*\)$/\1/'` ] # Sanity check that it is a known ABI. if test "x$JDK_ARCH_ABI_PROP_NAME" != xgnu && \
test "x$JDK_ARCH_ABI_PROP_NAME" != xgnueabi && \
test "x$JDK_ARCH_ABI_PROP_NAME" != xgnueabihf; then
AC_MSG_WARN([Unknown autoconf target triplet ABI: "$JDK_ARCH_ABI_PROP_NAME"]) fi
AC_MSG_CHECKING([for ABI property name])
AC_MSG_RESULT([$JDK_ARCH_ABI_PROP_NAME])
AC_SUBST(JDK_ARCH_ABI_PROP_NAME) fi
# When building with an abi profile, the name of that profile is appended on the # bundle platform, which is used in bundle names. if test "x$OPENJDK_TARGET_ABI_PROFILE" != x; then
OPENJDK_TARGET_BUNDLE_PLATFORM="$OPENJDK_TARGET_OS_BUNDLE-$OPENJDK_TARGET_ABI_PROFILE" fi
])
AC_DEFUN([FLAGS_SETUP_MACOSX_VERSION],
[ # Additional macosx handling if test "x$OPENJDK_TARGET_OS" = xmacosx; then # The expected format for <version> is either nn.n.n or nn.nn.nn. See # /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/AvailabilityVersions.h
# MACOSX_VERSION_MIN specifies the lowest version of Macosx that the built # binaries should be compatible with, even if compiled on a newer version # of the OS. It currently has a hard coded value. Setting this also limits # exposure to API changes in header files. Bumping this is likely to # require code changes to build. if test "x$OPENJDK_TARGET_CPU_ARCH" = xaarch64; then
MACOSX_VERSION_MIN=11.00.00 else
MACOSX_VERSION_MIN=10.12.0 fi
MACOSX_VERSION_MIN_NODOTS=${MACOSX_VERSION_MIN//\./}
AC_SUBST(MACOSX_VERSION_MIN)
# Setting --with-macosx-version-max=<version> makes it an error to build or # link to macosx APIs that are newer than the given OS version.
AC_ARG_WITH([macosx-version-max], [AS_HELP_STRING([--with-macosx-version-max],
[error on use of newer functionality. @<:@macosx@:>@])],
[ ifecho"$with_macosx_version_max" | $GREP -q "^[[0-9]][[0-9]]\.[[0-9]]\.[[0-9]]\$"; then
MACOSX_VERSION_MAX=$with_macosx_version_max elifecho"$with_macosx_version_max" | $GREP -q "^[[0-9]][[0-9]]\.[[0-9]][[0-9]]\.[[0-9]][[0-9]]\$"; then
MACOSX_VERSION_MAX=$with_macosx_version_max elif test "x$with_macosx_version_max" = "xno"; then # Use build system default
MACOSX_VERSION_MAX= else
AC_MSG_ERROR([osx version format must be nn.n.n or nn.nn.nn]) fi
],
[MACOSX_VERSION_MAX=]
)
MACOSX_VERSION_MAX_NODOTS=${MACOSX_VERSION_MAX//\./}
AC_SUBST(MACOSX_VERSION_MAX) fi
])
# Reset the global CFLAGS/LDFLAGS variables and initialize them with the # corresponding configure arguments instead
AC_DEFUN_ONCE([FLAGS_SETUP_USER_SUPPLIED_FLAGS],
[ if test "x$CFLAGS" != "x"; then
AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags]) fi
if test "x$CXXFLAGS" != "x"; then
AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags]) fi
if test "x$LDFLAGS" != "x"; then
AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags]) fi
if test "x$ASFLAGS" != "x"; then
AC_MSG_WARN([Ignoring ASFLAGS($ASFLAGS) found in environment. Use --with-extra-asflags]) fi
AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags],
[extra flags to be used when compiling jdk c-files])])
AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags],
[extra flags to be used when compiling jdk c++-files])])
AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags],
[extra flags to be used when linking jdk])])
AC_ARG_WITH(extra-asflags, [AS_HELP_STRING([--with-extra-asflags],
[extra flags to be passed to the assembler])])
# Setup the sysroot flags and add them to global CFLAGS and LDFLAGS so # that configure can use them while detecting compilers. # TOOLCHAIN_TYPE is available here. # Param 1 - Optional prefix to all variables. (e.g BUILD_)
AC_DEFUN([FLAGS_SETUP_SYSROOT_FLAGS],
[ if test "x[$]$1SYSROOT" != "x"; then if test "x$TOOLCHAIN_TYPE" = xgcc; then
$1SYSROOT_CFLAGS="--sysroot=[$]$1SYSROOT"
$1SYSROOT_LDFLAGS="--sysroot=[$]$1SYSROOT" elif test "x$TOOLCHAIN_TYPE" = xclang; then if test "x$OPENJDK_TARGET_OS" = "xlinux"; then # -isysroot has no effect on linux # https://bugs.llvm.org/show_bug.cgi?id=11503
$1SYSROOT_CFLAGS="--sysroot=[$]$1SYSROOT"
$1SYSROOT_LDFLAGS="--sysroot=[$]$1SYSROOT" if test -d "$DEVKIT_TOOLCHAIN_PATH"; then # In devkits, gcc is not located in the sysroot. # use --gcc-toolchain to let clang find the gcc installation.
$1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS --gcc-toolchain=$DEVKIT_TOOLCHAIN_PATH/.."
$1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS --gcc-toolchain=$DEVKIT_TOOLCHAIN_PATH/.." fi else
$1SYSROOT_CFLAGS="-isysroot [$]$1SYSROOT"
$1SYSROOT_LDFLAGS="-isysroot [$]$1SYSROOT" fi fi fi
if test "x$OPENJDK_TARGET_OS" = xmacosx; then # We also need -iframework<path>/System/Library/Frameworks
$1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS -iframework [$]$1SYSROOT/System/Library/Frameworks"
$1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS -iframework [$]$1SYSROOT/System/Library/Frameworks" if test -d "[$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks" ; then # These always need to be set on macOS 10.X, or we can't find the frameworks embedded in JavaVM.framework # set this here so it doesn't have to be peppered throughout the forest
$1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS -F [$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks"
$1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS -F [$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks" fi fi
# For the microsoft toolchain, we need to get the SYSROOT flags from the # Visual Studio environment. Currently we cannot handle this as a separate # build toolchain. if test "x$1" = x && test "x$OPENJDK_BUILD_OS" = "xwindows" \
&& test "x$TOOLCHAIN_TYPE" = "xmicrosoft"; then
TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV fi
AC_DEFUN_ONCE([FLAGS_PRE_TOOLCHAIN],
[ # We should always include user supplied flags
FLAGS_SETUP_USER_SUPPLIED_FLAGS
# The sysroot flags are needed for configure to be able to run the compilers
FLAGS_SETUP_SYSROOT_FLAGS
# For xlc, the word size flag is required for correct behavior. # For clang/gcc, the flag is only strictly required for reduced builds, but # set it always where possible (x86 and ppc). if test "x$TOOLCHAIN_TYPE" = xxlc; then
MACHINE_FLAG="-q${OPENJDK_TARGET_CPU_BITS}" elif test "x$TOOLCHAIN_TYPE" = xgcc || test "x$TOOLCHAIN_TYPE" = xclang; then if test "x$OPENJDK_TARGET_CPU_ARCH" = xx86 &&
test "x$OPENJDK_TARGET_CPU" != xx32 ||
test "x$OPENJDK_TARGET_CPU_ARCH" = xppc; then
MACHINE_FLAG="-m${OPENJDK_TARGET_CPU_BITS}" fi fi
if test "x$OPENJDK_TARGET_OS" = xmacosx; then if test "x$OPENJDK_TARGET_CPU" = xaarch64; then
MACHINE_FLAG="$MACHINE_FLAG -arch arm64" elif test "x$OPENJDK_TARGET_CPU" = xx86_64; then
MACHINE_FLAG="$MACHINE_FLAG -arch x86_64" fi fi
# FIXME: global flags are not used yet... # The "global" flags will *always* be set. Without them, it is not possible to # get a working compilation.
GLOBAL_CFLAGS="$MACHINE_FLAG $SYSROOT_CFLAGS $USER_CFLAGS"
GLOBAL_CXXFLAGS="$MACHINE_FLAG $SYSROOT_CFLAGS $USER_CXXFLAGS"
GLOBAL_LDFLAGS="$MACHINE_FLAG $SYSROOT_LDFLAGS $USER_LDFLAGS" # FIXME: Don't really know how to do with this, but this was the old behavior
GLOBAL_CPPFLAGS="$SYSROOT_CFLAGS"
# FIXME: For compatibility, export this as EXTRA_CFLAGS for now.
EXTRA_CFLAGS="$MACHINE_FLAG $USER_CFLAGS"
EXTRA_CXXFLAGS="$MACHINE_FLAG $USER_CXXFLAGS"
EXTRA_LDFLAGS="$MACHINE_FLAG $USER_LDFLAGS"
EXTRA_ASFLAGS="$USER_ASFLAGS"
# For autoconf testing to work, the global flags must also be stored in the # "unnamed" CFLAGS etc.
CFLAGS="$GLOBAL_CFLAGS"
CXXFLAGS="$GLOBAL_CXXFLAGS"
LDFLAGS="$GLOBAL_LDFLAGS"
CPPFLAGS="$GLOBAL_CPPFLAGS"
if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then # When autoconf sends both compiler and linker flags to cl.exe at the same # time, linker flags must be last at the command line. Achieve this by # moving them to LIBS.
LIBS="$LIBS -link $LDFLAGS"
LDFLAGS="" fi
])
AC_DEFUN([FLAGS_SETUP_TOOLCHAIN_CONTROL],
[ # COMPILER_TARGET_BITS_FLAG : option for selecting 32- or 64-bit output # COMPILER_COMMAND_FILE_FLAG : option for passing a command file to the compiler # COMPILER_BINDCMD_FILE_FLAG : option for specifying a file which saves the binder # commands produced by the link step (currently AIX only) if test "x$TOOLCHAIN_TYPE" = xxlc; then
COMPILER_TARGET_BITS_FLAG="-q"
COMPILER_COMMAND_FILE_FLAG="-f"
COMPILER_BINDCMD_FILE_FLAG="-bloadmap:" else
COMPILER_TARGET_BITS_FLAG="-m"
COMPILER_COMMAND_FILE_FLAG="@"
COMPILER_BINDCMD_FILE_FLAG=""
# Check if @file is supported by gcc if test "x$TOOLCHAIN_TYPE" = xgcc; then
AC_MSG_CHECKING([if @file is supported by gcc]) # Extra empty "" to prevent ECHO from interpreting '--version' as argument
$ECHO"""--version" > command.file # Redirect stderr and stdout to config.log (AS_MESSAGE_LOG_FD) via merge if $CXX @command.file 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD; then
AC_MSG_RESULT(yes)
COMPILER_COMMAND_FILE_FLAG="@" else
AC_MSG_RESULT(no)
COMPILER_COMMAND_FILE_FLAG= fi
$RM command.file fi fi
# Check that the compiler supports -mX (or -qX on AIX) flags # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does
FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}],
IF_TRUE: [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true],
IF_FALSE: [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false])
AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG)
if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
CC_OUT_OPTION=-Fo
LD_OUT_OPTION=-out:
AR_OUT_OPTION=-out: else # The option used to specify the target .o,.a or .so file. # When compiling, how to specify the to be created object file.
CC_OUT_OPTION='-o$(SPACE)' # When linking, how to specify the output
LD_OUT_OPTION='-o$(SPACE)' # When archiving, how to specify the destination static archive. if test "x$OPENJDK_TARGET_OS" = xmacosx; then
AR_OUT_OPTION='-r -cs$(SPACE)' else
AR_OUT_OPTION='-rcs$(SPACE)' fi fi
AC_SUBST(CC_OUT_OPTION)
AC_SUBST(LD_OUT_OPTION)
AC_SUBST(AR_OUT_OPTION)
# Generate make dependency files if test "x$TOOLCHAIN_TYPE" = xgcc; then
GENDEPS_FLAGS="-MMD -MF" elif test "x$TOOLCHAIN_TYPE" = xclang; then
GENDEPS_FLAGS="-MMD -MF" elif test "x$TOOLCHAIN_TYPE" = xxlc; then
GENDEPS_FLAGS="-qmakedep=gcc -MF" fi
AC_SUBST(GENDEPS_FLAGS)
])
if test "x$BUILD_SYSROOT" != x; then
FLAGS_SETUP_SYSROOT_FLAGS([BUILD_]) else if test "x$COMPILE_TYPE" != "xcross"; then
BUILD_SYSROOT_CFLAGS="$SYSROOT_CFLAGS"
BUILD_SYSROOT_LDFLAGS="$SYSROOT_LDFLAGS" fi fi
])
AC_MSG_RESULT([$supports]) if test "x$supports" = "xyes" ; then
:
ARG_IF_TRUE else
:
ARG_IF_FALSE fi
])
# FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE], # IF_FALSE: [RUN-IF-FALSE]) # ------------------------------------------------------------ # Check that the C and C++ compilers support an argument
UTIL_DEFUN_NAMED([FLAGS_COMPILER_CHECK_ARGUMENTS],
[*ARGUMENT IF_TRUE IF_FALSE PREFIX], [$@],
[
FLAGS_C_COMPILER_CHECK_ARGUMENTS(ARGUMENT: ARG_ARGUMENT,
IF_TRUE: [C_COMP_SUPPORTS="yes"],
IF_FALSE: [C_COMP_SUPPORTS="no"],
PREFIX: ARG_PREFIX)
FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: ARG_ARGUMENT,
IF_TRUE: [CXX_COMP_SUPPORTS="yes"],
IF_FALSE: [CXX_COMP_SUPPORTS="no"],
PREFIX: ARG_PREFIX)
AC_MSG_CHECKING([if both ARG_PREFIX[CC] and ARG_PREFIX[CXX] support "ARG_ARGUMENT"])
supports=no if test "x$C_COMP_SUPPORTS" = "xyes" -a "x$CXX_COMP_SUPPORTS" = "xyes"; then
supports=yes; fi
AC_MSG_RESULT([$supports]) if test "x$supports" = "xyes" ; then
:
ARG_IF_TRUE else
:
ARG_IF_FALSE fi
])
# FLAGS_LINKER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE], # IF_FALSE: [RUN-IF-FALSE]) # ------------------------------------------------------------ # Check that the linker support an argument
UTIL_DEFUN_NAMED([FLAGS_LINKER_CHECK_ARGUMENTS],
[*ARGUMENT IF_TRUE IF_FALSE], [$@],
[
AC_MSG_CHECKING([if linker supports "ARG_ARGUMENT"])
supports=yes
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