| Quellcodebibliothek Statistik Leitseite products/Sources/formale Sprachen/Java/Openjdk/make/autoconf/ (Sun/Oracle ©) Datei vom 13.11.2022 mit Größe 8 kB |
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Quelle flags-ldflags.m4 Sprache: Shell |
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# Copyright (c) 2011, 2022, 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. # ################################################################################ # AC_DEFUN([FLAGS_SETUP_LDFLAGS], [ FLAGS_SETUP_LDFLAGS_HELPER # Setup the target toolchain # The target dir matches the name of VM variant TARGET_JVM_VARIANT_PATH=$JVM_VARIANT_MAIN # On some platforms (mac) the linker warns about non existing -L dirs. FLAGS_SETUP_LDFLAGS_CPU_DEP([TARGET]) # Setup the build toolchain # When building a buildjdk, it's always only the server variant BUILD_JVM_VARIANT_PATH=server FLAGS_SETUP_LDFLAGS_CPU_DEP([BUILD], [OPENJDK_BUILD_]) LDFLAGS_TESTEXE="${TARGET_LDFLAGS_JDK_LIBPATH}" AC_SUBST(LDFLAGS_TESTEXE) AC_SUBST(ADLC_LDFLAGS) ]) ################################################################################ # CPU independent LDFLAGS setup, used for both target and build toolchain. AC_DEFUN([FLAGS_SETUP_LDFLAGS_HELPER], [ # Setup basic LDFLAGS if test "x$TOOLCHAIN_TYPE" = xgcc; then # Add -z,defs, to forbid undefined symbols in object files. # add -z,relro (mark relocations read only) for all libs # add -z,now ("full relro" - more of the Global Offset Table GOT is marked read only) BASIC_LDFLAGS="-Wl,-z,defs -Wl,-z,relro -Wl,-z,now" # Linux : remove unused code+data in link step if test "x$ENABLE_LINKTIME_GC" = xtrue; then if test "x$OPENJDK_TARGET_CPU" = xs390x; then BASIC_LDFLAGS="$BASIC_LDFLAGS -Wl,--gc-sections" else BASIC_LDFLAGS_JDK_ONLY="$BASIC_LDFLAGS_JDK_ONLY -Wl,--gc-sections" fi fi BASIC_LDFLAGS_JVM_ONLY="-Wl,-O1" elif test "x$TOOLCHAIN_TYPE" = xclang; then BASIC_LDFLAGS_JVM_ONLY="-mno-omit-leaf-frame-pointer -mstack-alignment=16 \ -fPIC" elif test "x$TOOLCHAIN_TYPE" = xxlc; then BASIC_LDFLAGS="-b64 -brtl -bnorwexec -bnolibpath -bnoexpall -bernotok -btextpsiz -bdatapsize:64K -bstackpsize:64K" # libjvm.so has gotten too large for normal TOC size; compile with qpic=large and link with bigt BASIC_LDFLAGS_JVM_ONLY="-Wl,-lC_r -bbigtoc" elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then BASIC_LDFLAGS="-nologo -opt:ref" BASIC_LDFLAGS_JDK_ONLY="-incremental:no" BASIC_LDFLAGS_JVM_ONLY="-opt:icf,8 -subsystem:windows" fi if test "x$TOOLCHAIN_TYPE" = xgcc || test "x$TOOLCHAIN_TYPE" = xclang; then if test -n "$HAS_NOEXECSTACK"; then BASIC_LDFLAGS="$BASIC_LDFLAGS -Wl,-z,noexecstack" fi fi # Setup OS-dependent LDFLAGS if test "x$OPENJDK_TARGET_OS" = xmacosx && test "x$TOOLCHAIN_TYPE" = xclang; then # FIXME: We should really generalize SET_SHARED_LIBRARY_ORIGIN instead. OS_LDFLAGS_JVM_ONLY="-Wl,-rpath,@loader_path/. -Wl,-rpath,@loader_path/.." OS_LDFLAGS="-mmacosx-version-min=$MACOSX_VERSION_MIN" fi # Setup debug level-dependent LDFLAGS if test "x$TOOLCHAIN_TYPE" = xgcc; then if test "x$OPENJDK_TARGET_OS" = xlinux; then if test x$DEBUG_LEVEL = xrelease; then DEBUGLEVEL_LDFLAGS_JDK_ONLY="$DEBUGLEVEL_LDFLAGS_JDK_ONLY -Wl,-O1" fi fi elif test "x$TOOLCHAIN_TYPE" = xxlc; then # We need '-qminimaltoc' or '-qpic=large -bbigtoc' if the TOC overflows. # Hotspot now overflows its 64K TOC (currently only for debug), # so we build with '-qpic=large -bbigtoc'. if test "x$DEBUG_LEVEL" != xrelease; then DEBUGLEVEL_LDFLAGS_JVM_ONLY="$DEBUGLEVEL_LDFLAGS_JVM_ONLY -bbigtoc" fi fi # Setup LDFLAGS for linking executables if test "x$TOOLCHAIN_TYPE" = xgcc; then EXECUTABLE_LDFLAGS="$EXECUTABLE_LDFLAGS -Wl,--allow-shlib-undefined" # Enabling pie on 32 bit builds prevents the JVM from allocating a continuous # java heap. if test "x$OPENJDK_TARGET_CPU_BITS" != "x32"; then EXECUTABLE_LDFLAGS="$EXECUTABLE_LDFLAGS -pie" fi fi if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then REPRODUCIBLE_LDFLAGS="-experimental:deterministic" FLAGS_LINKER_CHECK_ARGUMENTS(ARGUMENT: [$REPRODUCIBLE_LDFLAGS], IF_FALSE: [ REPRODUCIBLE_LDFLAGS= ] ) fi if test "x$ALLOW_ABSOLUTE_PATHS_IN_OUTPUT" = "xfalse"; then if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then BASIC_LDFLAGS="$BASIC_LDFLAGS -pdbaltpath:%_PDB%" # PATHMAP_FLAGS is setup in flags-cflags.m4. FILE_MACRO_LDFLAGS="${PATHMAP_FLAGS}" fi fi # Export some intermediate variables for compatibility LDFLAGS_CXX_JDK="$BASIC_LDFLAGS_ONLYCXX $BASIC_LDFLAGS_ONLYCXX_JDK_ONLY $DEBUGLE AC_SUBST(LDFLAGS_CXX_JDK) ]) ################################################################################ # $1 - Either BUILD or TARGET to pick the correct OS/CPU variables to check # conditionals against. # $2 - Optional prefix for each variable defined. AC_DEFUN([FLAGS_SETUP_LDFLAGS_CPU_DEP], [ # Setup CPU-dependent basic LDFLAGS. These can differ between the target and # build toolchain. if test "x$TOOLCHAIN_TYPE" = xgcc; then if test "x${OPENJDK_$1_CPU}" = xx86; then $1_CPU_LDFLAGS_JVM_ONLY="-march=i586" elif test "x$OPENJDK_$1_CPU" = xarm; then $1_CPU_LDFLAGS_JVM_ONLY="${$1_CPU_LDFLAGS_JVM_ONLY} -fsigned-char" $1_CPU_LDFLAGS="$ARM_ARCH_TYPE_FLAGS $ARM_FLOAT_TYPE_FLAGS" fi # MIPS ABI does not support GNU hash style if test "x${OPENJDK_$1_CPU}" = xmips || test "x${OPENJDK_$1_CPU}" = xmipsel || test "x${OPENJDK_$1_CPU}" = xmips64 || test "x${OPENJDK_$1_CPU}" = xmips64el; then $1_CPU_LDFLAGS="${$1_CPU_LDFLAGS} -Wl,--hash-style=sysv" else $1_CPU_LDFLAGS="${$1_CPU_LDFLAGS} -Wl,--hash-style=gnu" fi elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then if test "x${OPENJDK_$1_CPU_BITS}" = "x32"; then $1_CPU_EXECUTABLE_LDFLAGS="-stack:327680" elif test "x${OPENJDK_$1_CPU_BITS}" = "x64"; then $1_CPU_EXECUTABLE_LDFLAGS="-stack:1048576" fi if test "x${OPENJDK_$1_CPU}" = "xx86"; then $1_CPU_LDFLAGS="-safeseh" fi fi # JVM_VARIANT_PATH depends on if this is build or target... if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then $1_LDFLAGS_JDK_LIBPATH="-libpath:\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base" else $1_LDFLAGS_JDK_LIBPATH="-L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base \ -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base/${$1_JVM_VARIANT_PATH}" fi # Export variables according to old definitions, prefix with $2 if present. LDFLAGS_JDK_COMMON="$BASIC_LDFLAGS $BASIC_LDFLAGS_JDK_ONLY \ $OS_LDFLAGS $DEBUGLEVEL_LDFLAGS_JDK_ONLY ${$2EXTRA_LDFLAGS}" $2LDFLAGS_JDKLIB="$LDFLAGS_JDK_COMMON $BASIC_LDFLAGS_JDK_LIB_ONLY \ ${$1_LDFLAGS_JDK_LIBPATH} $SHARED_LIBRARY_FLAGS \ $REPRODUCIBLE_LDFLAGS $FILE_MACRO_LDFLAGS" $2LDFLAGS_JDKEXE="$LDFLAGS_JDK_COMMON $EXECUTABLE_LDFLAGS \ ${$1_CPU_EXECUTABLE_LDFLAGS} $REPRODUCIBLE_LDFLAGS $FILE_MACRO_LDFLAGS" $2JVM_LDFLAGS="$BASIC_LDFLAGS $BASIC_LDFLAGS_JVM_ONLY $OS_LDFLAGS $OS_LDFLAGS_JV $DEBUGLEVEL_LDFLAGS $DEBUGLEVEL_LDFLAGS_JVM_ONLY $BASIC_LDFLAGS_ONLYCXX \ ${$1_CPU_LDFLAGS} ${$1_CPU_LDFLAGS_JVM_ONLY} ${$2EXTRA_LDFLAGS} \ $REPRODUCIBLE_LDFLAGS $FILE_MACRO_LDFLAGS" AC_SUBST($2LDFLAGS_JDKLIB) AC_SUBST($2LDFLAGS_JDKEXE) AC_SUBST($2JVM_LDFLAGS) ]) ¤ Dauer der Verarbeitung: 0.23 Sekunden (vorverarbeitet) ¤*© Formatika GbR, Deutschland |
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2026-03-28