| # |
| # Copyright (c) 2011, 2025, 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. |
| # |
| |
| include MakeIncludeStart.gmk |
| ifeq ($(INCLUDE), true) |
| |
| ################################################################################ |
| # This file contains functionality related to linking a native binary; |
| # creating either a dynamic library, a static library or an executable. |
| ################################################################################ |
| |
| ################################################################################ |
| # GetEntitlementsFile |
| # Find entitlements file for executable when signing on macosx. If no |
| # specialized file is found, returns the default file. |
| # This macro might be called from custom makefiles. |
| # $1 Executable to find entitlements file for. |
| ENTITLEMENTS_DIR := $(TOPDIR)/make/data/macosxsigning |
| ifeq ($(MACOSX_CODESIGN_MODE), debug) |
| CODESIGN_PLIST_SUFFIX := -debug |
| else |
| CODESIGN_PLIST_SUFFIX := |
| endif |
| DEFAULT_ENTITLEMENTS_FILE := $(ENTITLEMENTS_DIR)/default$(CODESIGN_PLIST_SUFFIX).plist |
| |
| GetEntitlementsFile = \ |
| $(foreach f, $(ENTITLEMENTS_DIR)/$(strip $(notdir $1))$(CODESIGN_PLIST_SUFFIX).plist, \ |
| $(if $(wildcard $f), $f, $(DEFAULT_ENTITLEMENTS_FILE)) \ |
| ) |
| |
| ################################################################################ |
| define SetupLinking |
| # Unless specifically set, stripping should only happen if symbols are also |
| # being copied. |
| $$(call SetIfEmpty, $1_STRIP_SYMBOLS, $$($1_COPY_DEBUG_SYMBOLS)) |
| |
| # Default to using the global STRIPFLAGS. Allow for overriding with an |
| # empty value |
| $1_STRIPFLAGS ?= $(STRIPFLAGS) |
| endef |
| |
| ################################################################################ |
| define CreateLinkedResult |
| ifeq ($$($1_TYPE), STATIC_LIBRARY) |
| $$(eval $$(call CreateStaticLibrary,$1)) |
| else |
| $$(eval $$(call CreateDynamicLibraryOrExecutable,$1)) |
| endif |
| endef |
| |
| ################################################################################ |
| define CreateStaticLibrary |
| # Include partial linking when building the static library with clang on linux |
| ifeq ($(call isTargetOs, linux), true) |
| ifneq ($(findstring $(TOOLCHAIN_TYPE), clang), ) |
| $1_ENABLE_PARTIAL_LINKING := true |
| endif |
| endif |
| |
| $1_VARDEPS := $$($1_AR) $$(ARFLAGS) $$($1_LIBS) \ |
| $$($1_EXTRA_LIBS) |
| ifeq ($$($1_ENABLE_PARTIAL_LINKING), true) |
| $1_VARDEPS += $$($1_LD) $$($1_SYSROOT_LDFLAGS) |
| endif |
| $1_VARDEPS_FILE := $$(call DependOnVariable, $1_VARDEPS, \ |
| $$($1_OBJECT_DIR)/$$($1_NOSUFFIX).vardeps) |
| |
| $1_TARGET_DEPS := $$($1_ALL_OBJS) $$($1_EXTRA_LINK_DEPS) $$($1_VARDEPS_FILE) |
| |
| $1_AR_OBJ_ARG := $$($1_LD_OBJ_ARG) |
| # With clang on linux, partial linking is enabled and 'AR' takes the output |
| # object from the partial linking step. |
| ifeq ($$($1_ENABLE_PARTIAL_LINKING), true) |
| $1_TARGET_RELOCATABLE := $$($1_OBJECT_DIR)/$$($1_PREFIX)$$($1_NAME)_relocatable$(OBJ_SUFFIX) |
| $1_AR_OBJ_ARG := $$($1_TARGET_RELOCATABLE) |
| endif |
| |
| $$($1_TARGET): $$($1_TARGET_DEPS) |
| ifneq ($$($1_OBJ_FILE_LIST), ) |
| ifeq ($$($1_LINK_OBJS_RELATIVE), true) |
| $$(eval $$(call ListPathsSafely, $1_ALL_OBJS_RELATIVE, $$($1_OBJ_FILE_LIST))) |
| else |
| $$(eval $$(call ListPathsSafely, $1_ALL_OBJS, $$($1_OBJ_FILE_LIST))) |
| endif |
| endif |
| $$(call LogInfo, Building static library $$($1_BASENAME)) |
| $$(call MakeDir, $$($1_OUTPUT_DIR) $$($1_SYMBOLS_DIR)) |
| # Do partial linking. |
| ifeq ($$($1_ENABLE_PARTIAL_LINKING), true) |
| $$(call ExecuteWithLog, $$($1_OBJECT_DIR)/$$($1_SAFE_NAME)_partial_link, \ |
| $(if $$($1_LINK_OBJS_RELATIVE), $$(CD) $$(OUTPUTDIR) ; ) \ |
| $$($1_LD) $(LDFLAGS_CXX_PARTIAL_LINKING) $$($1_SYSROOT_LDFLAGS) \ |
| -o $$($1_TARGET_RELOCATABLE) $$($1_LD_OBJ_ARG)) |
| # 'ld -r' might invalidate the .llvm_addrsig section, and this will cause subsequent |
| # calls to lld (with '-Wl,--icf=safe') to fail when linking with this library, so |
| # remove that section. |
| $$(call ExecuteWithLog, $$($1_OBJECT_DIR)/$$($1_SAFE_NAME)_objcopy_remove_llvm_addrsig_section, \ |
| $$($1_OBJCOPY) --remove-section=.llvm_addrsig $$($1_TARGET_RELOCATABLE)) |
| endif |
| $$(call ExecuteWithLog, $$($1_OBJECT_DIR)/$$($1_SAFE_NAME)_run_ar, \ |
| $(if $$($1_LINK_OBJS_RELATIVE), $$(CD) $$(OUTPUTDIR) ; ) \ |
| $$($1_AR) $$(ARFLAGS) -r -cs $$($1_TARGET) \ |
| $$($1_AR_OBJ_ARG) $$($1_RES)) |
| $$(ECHO) $$(strip $$($1_LIBS) $$($1_EXTRA_LIBS)) > $$($1_TARGET).lib-flags.txt |
| endef |
| |
| ################################################################################ |
| define CreateDynamicLibraryOrExecutable |
| # A shared dynamic library or an executable binary has been specified |
| ifeq ($$($1_TYPE), LIBRARY) |
| # Generating a dynamic library. |
| $1_EXTRA_LDFLAGS += $$(call SET_SHARED_LIBRARY_NAME,$$($1_BASENAME)) |
| endif |
| |
| ifeq ($(MACOSX_CODESIGN_MODE), hardened) |
| $1_CODESIGN_OPTS := "$(MACOSX_CODESIGN_IDENTITY)" --timestamp \ |
| --options runtime |
| else ifeq ($(MACOSX_CODESIGN_MODE), debug) |
| $1_CODESIGN_OPTS := - |
| endif |
| |
| $1_VARDEPS := $$($1_LD) $$($1_SYSROOT_LDFLAGS) $$($1_LDFLAGS) \ |
| $$($1_EXTRA_LDFLAGS) $$($1_LIBS) $$($1_EXTRA_LIBS) \ |
| $$($1_DEBUGINFO_FILES) $$($1_STRIPFLAGS) |
| $1_VARDEPS_FILE := $$(call DependOnVariable, $1_VARDEPS, \ |
| $$($1_OBJECT_DIR)/$$($1_NOSUFFIX).vardeps) |
| |
| $1_TARGET_DEPS := $$($1_ALL_OBJS) $$($1_EXTRA_LINK_DEPS) $$($1_VARDEPS_FILE) |
| |
| $$($1_TARGET): $$($1_TARGET_DEPS) |
| ifneq ($$($1_OBJ_FILE_LIST), ) |
| ifeq ($$($1_LINK_OBJS_RELATIVE), true) |
| $$(eval $$(call ListPathsSafely, $1_ALL_OBJS_RELATIVE, $$($1_OBJ_FILE_LIST))) |
| else |
| $$(eval $$(call ListPathsSafely, $1_ALL_OBJS, $$($1_OBJ_FILE_LIST))) |
| endif |
| endif |
| $$(call LogInfo, Linking $$($1_BASENAME)) |
| $$(call MakeDir, $$($1_OUTPUT_DIR) $$($1_SYMBOLS_DIR)) |
| $$(call ExecuteWithLog, $$($1_OBJECT_DIR)/$$($1_SAFE_NAME)_run_ld, \ |
| $$(if $$($1_LINK_OBJS_RELATIVE), $$(CD) $$(OUTPUTDIR) ; ) \ |
| $$($1_LD) $$($1_LDFLAGS) $$($1_EXTRA_LDFLAGS) \ |
| $$($1_SYSROOT_LDFLAGS) -o $$($1_TARGET) $$($1_LD_OBJ_ARG) \ |
| $$($1_LIBS) $$($1_EXTRA_LIBS)) |
| ifeq ($$($1_CREATE_DEBUGINFO), true) |
| ifeq ($(call isTargetOs, linux), true) |
| # This cannot be run separately since it updates the original target |
| # file. |
| $$(call ExecuteWithLog, $$($1_OBJECT_DIR)/$$($1_SAFE_NAME)_create_debuginfo, \ |
| $$($1_OBJCOPY) --only-keep-debug $$($1_TARGET) $$($1_DEBUGINFO_FILES)) |
| $$(CHMOD) -x $$($1_DEBUGINFO_FILES) |
| else ifeq ($(call isTargetOs, aix), true) |
| # AIX does not provide the equivalent of objcopy to extract debug |
| # symbols, so we copy unstripped library instead. |
| $$(call ExecuteWithLog, $$($1_OBJECT_DIR)/$$($1_SAFE_NAME)_create_debuginfo, \ |
| $(CP) $$($1_TARGET) $$($1_DEBUGINFO_FILES)) |
| else ifeq ($(call isTargetOs, macosx), true) |
| $$(call ExecuteWithLog, $$($1_OBJECT_DIR)/$$($1_SAFE_NAME)_create_debuginfo, \ |
| $(DSYMUTIL) --out $$($1_SYMBOLS_DIR)/$$($1_BASENAME).dSYM $$($1_TARGET)) |
| endif |
| endif |
| ifneq ($$($1_STRIP_SYMBOLS), false) |
| $$(call ExecuteWithLog, $$($1_OBJECT_DIR)/$$($1_SAFE_NAME)_strip, \ |
| $$($1_STRIP) $$($1_STRIPFLAGS) $$($1_TARGET)) |
| endif |
| ifeq ($$($1_CREATE_DEBUGINFO), true) |
| ifeq ($(call isTargetOs, linux), true) |
| # Run this after strip is called, since strip can sometimes mangle |
| # the embedded debuglink, which we want to avoid. |
| $$(call ExecuteWithLog, $$($1_OBJECT_DIR)/$$($1_SAFE_NAME)_add_debuginfo_link, \ |
| $(CD) $$($1_SYMBOLS_DIR) && \ |
| $$($1_OBJCOPY) --add-gnu-debuglink=$$($1_DEBUGINFO_FILES) $$($1_TARGET)) |
| endif |
| endif |
| ifneq ($(MACOSX_CODESIGN_MODE), disabled) |
| # Remove signature explicitly first to avoid warnings if the linker |
| # added a default adhoc signature. |
| $$(call ExecuteWithLog, $$($1_OBJECT_DIR)/$$($1_SAFE_NAME)_codesign_clear, \ |
| $(CODESIGN) --remove-signature $$@) |
| $$(call ExecuteWithLog, $$($1_OBJECT_DIR)/$$($1_SAFE_NAME)_codesign_add, \ |
| $(CODESIGN) -f -s $$($1_CODESIGN_OPTS) --entitlements \ |
| $$(call GetEntitlementsFile, $$@) $$@) |
| endif |
| ifneq ($(SIGNING_HOOK), ) |
| $$(call ExecuteWithLog, $$($1_OBJECT_DIR)/$$($1_SAFE_NAME)_call_signing_hook, \ |
| $(SIGNING_HOOK) $$($1_TARGET)) |
| endif |
| |
| # This is for IDE integration purposes only, and is not normally generated |
| $1_LDFLAGS_FILE := $$(MAKESUPPORT_OUTPUTDIR)/compile-commands/$$($1_UNIQUE_NAME)-ldflags.txt |
| |
| $1_ALL_LD_ARGS := $$($1_LDFLAGS) $$($1_EXTRA_LDFLAGS) $$($1_SYSROOT_LDFLAGS) \ |
| $$($1_LIBS) $$($1_EXTRA_LIBS) |
| |
| $$($1_LDFLAGS_FILE): $$($1_VARDEPS_FILE) |
| $$(call LogInfo, Creating compile commands linker flags output for $$($1_BASENAME)) |
| $$(call MakeDir, $$(dir $$@)) |
| $$(ECHO) $$($1_ALL_LD_ARGS) > $$@ |
| |
| endef |
| |
| ################################################################################ |
| |
| endif # include guard |
| include MakeIncludeEnd.gmk |