4dcc7f3f26
Co-authored-by: Hao Sun <haosun@openjdk.org> Co-authored-by: Magnus Ihse Bursie <ihse@openjdk.org> Reviewed-by: aph, ihse, erikj, eliu
159 lines
5.1 KiB
Plaintext
159 lines
5.1 KiB
Plaintext
#
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# Copyright (c) 2011, 2024, Oracle and/or its affiliates. All rights reserved.
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#
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# This code is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 2 only, as
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# published by the Free Software Foundation. Oracle designates this
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# particular file as subject to the "Classpath" exception as provided
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# by Oracle in the LICENSE file that accompanied this code.
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#
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# This code is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# version 2 for more details (a copy is included in the LICENSE file that
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# accompanied this code).
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#
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# You should have received a copy of the GNU General Public License version
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# 2 along with this work; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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# or visit www.oracle.com if you need additional information or have any
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# questions.
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#
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################################################################################
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#
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# Setup flags for other tools than C/C++ compiler
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#
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AC_DEFUN([FLAGS_SETUP_ARFLAGS],
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[
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# FIXME: figure out if we should select AR flags depending on OS or toolchain.
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if test "x$OPENJDK_TARGET_OS" = xaix; then
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ARFLAGS="-X64"
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else
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ARFLAGS=""
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fi
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AC_SUBST(ARFLAGS)
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])
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AC_DEFUN([FLAGS_SETUP_LIBFLAGS],
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[
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# LIB is used to create static libraries on Windows
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if test "x$OPENJDK_TARGET_OS" = xwindows; then
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LIBFLAGS="-nodefaultlib:msvcrt"
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else
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LIBFLAGS=""
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fi
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AC_SUBST(LIBFLAGS)
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])
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AC_DEFUN([FLAGS_SETUP_STRIPFLAGS],
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[
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## Setup strip.
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if test "x$STRIP" != x; then
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AC_MSG_CHECKING([how to run strip])
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# Easy cheat: Check strip variant by passing --version as an argument.
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# Different types of strip have varying command line syntaxes for querying their
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# version string, and all noisily fail if the provided version option is not
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# recognised.
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#
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# The actual version string or failure to execute strip are hidden by redirection
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# to config.log with 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD
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if $STRIP "--version" 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD; then
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# strip that comes from the GNU family uses --version
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# This variant of strip is usually found accompanying gcc and clang
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STRIPFLAGS="--strip-debug"
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elif $STRIP "-V" 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD; then
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# IBM strip that works with AIX binaries only supports -V
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STRIPFLAGS="-X32_64"
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else
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# The only strip variant left is MacOS/Xcode strip, which does not have any
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# way whatsoever to be identified (lacking even basic help or version options),
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# so we leave it as the last fallback when all other tests have failed.
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STRIPFLAGS="-S"
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fi
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AC_MSG_RESULT($STRIPFLAGS)
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fi
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AC_SUBST(STRIPFLAGS)
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])
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AC_DEFUN([FLAGS_SETUP_RCFLAGS],
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[
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# On Windows, we need to set RC flags.
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if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
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RCFLAGS="-nologo"
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if test "x$DEBUG_LEVEL" = xrelease; then
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RCFLAGS="$RCFLAGS -DNDEBUG"
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fi
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fi
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AC_SUBST(RCFLAGS)
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])
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AC_DEFUN([FLAGS_SETUP_NMFLAGS],
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[
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# On AIX, we need to set NM flag -X64 for processing 64bit object files
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if test "x$OPENJDK_TARGET_OS" = xaix; then
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NMFLAGS="-X64"
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fi
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AC_SUBST(NMFLAGS)
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])
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################################################################################
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# platform independent
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AC_DEFUN([FLAGS_SETUP_ASFLAGS],
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[
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if test "x$TOOLCHAIN_TYPE" = xgcc || test "x$TOOLCHAIN_TYPE" = xclang; then
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# Force preprocessor to run, just to make sure
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BASIC_ASFLAGS="-x assembler-with-cpp"
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elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
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BASIC_ASFLAGS="-nologo -c"
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fi
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AC_SUBST(BASIC_ASFLAGS)
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if test "x$OPENJDK_TARGET_OS" = xmacosx; then
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JVM_BASIC_ASFLAGS="-mno-omit-leaf-frame-pointer -mstack-alignment=16"
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# Fix linker warning.
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# Code taken from make/autoconf/flags-cflags.m4 and adapted.
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JVM_BASIC_ASFLAGS="$JVM_BASIC_ASFLAGS \
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-DMAC_OS_X_VERSION_MIN_REQUIRED=$MACOSX_VERSION_MIN_NODOTS \
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-mmacosx-version-min=$MACOSX_VERSION_MIN"
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if test -n "$MACOSX_VERSION_MAX"; then
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JVM_BASIC_ASFLAGS="$JVM_BASIC_ASFLAGS $OS_CFLAGS \
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-DMAC_OS_X_VERSION_MAX_ALLOWED=$MACOSX_VERSION_MAX_NODOTS"
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fi
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fi
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])
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################################################################################
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# $1 - Either BUILD or TARGET to pick the correct OS/CPU variables to check
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# conditionals against.
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# $2 - Optional prefix for each variable defined.
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AC_DEFUN([FLAGS_SETUP_ASFLAGS_CPU_DEP],
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[
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# Misuse EXTRA_CFLAGS to mimic old behavior
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$2JVM_ASFLAGS="$JVM_BASIC_ASFLAGS ${$2EXTRA_CFLAGS}"
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if test "x$1" = "xTARGET" && \
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test "x$TOOLCHAIN_TYPE" = xgcc && \
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test "x$OPENJDK_TARGET_CPU" = xarm; then
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$2JVM_ASFLAGS="${$2JVM_ASFLAGS} $ARM_ARCH_TYPE_ASFLAGS $ARM_FLOAT_TYPE_ASFLAGS"
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fi
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if test "x$BRANCH_PROTECTION_ENABLED" = "xtrue"; then
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$2JVM_ASFLAGS="${$2JVM_ASFLAGS} $BRANCH_PROTECTION_FLAG"
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fi
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AC_SUBST($2JVM_ASFLAGS)
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])
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