mirror of
https://github.com/mozilla/gecko-dev.git
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8d4c5d5849
The make backend was treating the first output of a GENERATED_FILES rule specially, since it was the target of the rule containing the script invocation. We want the outputs of GENERATED_FILES rules to be FileAvoidWrite so that we avoid triggering downstream rules if the outputs are unchanged, but if the target of the script invocation is FileAvoidWrite, then make may continually re-run the script during a no-op build. The solution here is to use a stub file as the target of the script invocation which will always be touched when the script runs. Since nothing else in the build depends on the stub, we don't need to FileAvoidWrite it. All actual outputs of the script can be FileAvoidWrite, and make can properly avoid work for files that haven't changed. MozReview-Commit-ID: 3GejZw2tpqu --HG-- extra : rebase_source : 2b9be82f893e89a4c2f254f05b1e8b9a0f9c631b
499 lines
14 KiB
Makefile
499 lines
14 KiB
Makefile
#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#
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# config.mk
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#
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# Determines the platform and builds the macros needed to load the
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# appropriate platform-specific .mk file, then defines all (most?)
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# of the generic macros.
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#
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# Define an include-at-most-once flag
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ifdef INCLUDED_CONFIG_MK
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$(error Do not include config.mk twice!)
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endif
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INCLUDED_CONFIG_MK = 1
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EXIT_ON_ERROR = set -e; # Shell loops continue past errors without this.
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ifndef topsrcdir
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topsrcdir = $(DEPTH)
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endif
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ifndef INCLUDED_AUTOCONF_MK
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include $(DEPTH)/config/autoconf.mk
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endif
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-include $(DEPTH)/.mozconfig.mk
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# MDDEPDIR is the subdirectory where dependency files are stored
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MDDEPDIR := .deps
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ifndef EXTERNALLY_MANAGED_MAKE_FILE
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# Import the automatically generated backend file. If this file doesn't exist,
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# the backend hasn't been properly configured. We want this to be a fatal
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# error, hence not using "-include".
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ifndef STANDALONE_MAKEFILE
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GLOBAL_DEPS += backend.mk
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include backend.mk
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endif
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endif
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space = $(NULL) $(NULL)
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# Include defs.mk files that can be found in $(srcdir)/$(DEPTH),
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# $(srcdir)/$(DEPTH-1), $(srcdir)/$(DEPTH-2), etc., and $(srcdir)
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# where $(DEPTH-1) is one level less of depth, $(DEPTH-2), two, etc.
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# i.e. for DEPTH=../../.., DEPTH-1 is ../.. and DEPTH-2 is ..
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# These defs.mk files are used to define variables in a directory
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# and all its subdirectories, recursively.
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__depth := $(subst /, ,$(DEPTH))
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ifeq (.,$(__depth))
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__depth :=
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endif
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$(foreach __d,$(__depth) .,$(eval __depth = $(wordlist 2,$(words $(__depth)),$(__depth))$(eval -include $(subst $(space),/,$(strip $(srcdir) $(__depth) defs.mk)))))
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COMMA = ,
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# Sanity check some variables
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CHECK_VARS := \
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XPI_NAME \
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LIBRARY_NAME \
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MODULE \
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DEPTH \
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XPI_PKGNAME \
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INSTALL_EXTENSION_ID \
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SHARED_LIBRARY_NAME \
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SONAME \
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STATIC_LIBRARY_NAME \
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$(NULL)
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# checks for internal spaces or trailing spaces in the variable
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# named by $x
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check-variable = $(if $(filter-out 0 1,$(words $($(x))z)),$(error Spaces are not allowed in $(x)))
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$(foreach x,$(CHECK_VARS),$(check-variable))
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ifndef INCLUDED_FUNCTIONS_MK
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include $(MOZILLA_DIR)/config/makefiles/functions.mk
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endif
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RM = rm -f
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# FINAL_TARGET specifies the location into which we copy end-user-shipped
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# build products (typelibs, components, chrome). It may already be specified by
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# a moz.build file.
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#
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# If XPI_NAME is set, the files will be shipped to $(DIST)/xpi-stage/$(XPI_NAME)
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# instead of $(DIST)/bin. In both cases, if DIST_SUBDIR is set, the files will be
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# shipped to a $(DIST_SUBDIR) subdirectory.
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FINAL_TARGET ?= $(if $(XPI_NAME),$(DIST)/xpi-stage/$(XPI_NAME),$(DIST)/bin)$(DIST_SUBDIR:%=/%)
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# Override the stored value for the check to make sure that the variable is not
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# redefined in the Makefile.in value.
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FINAL_TARGET_FROZEN := '$(FINAL_TARGET)'
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ifdef XPI_NAME
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ACDEFINES += -DXPI_NAME=$(XPI_NAME)
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endif
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# The VERSION_NUMBER is suffixed onto the end of the DLLs we ship.
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VERSION_NUMBER = 50
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ifeq ($(HOST_OS_ARCH),WINNT)
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ifeq ($(MOZILLA_DIR),$(topsrcdir))
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win_srcdir := $(subst $(topsrcdir),$(WIN_TOP_SRC),$(srcdir))
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else
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# This means we're in comm-central's topsrcdir, so we need to adjust
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# WIN_TOP_SRC (which points to mozilla's topsrcdir) for the substitution
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# to win_srcdir.
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cc_WIN_TOP_SRC := $(WIN_TOP_SRC:%/mozilla=%)
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win_srcdir := $(subst $(topsrcdir),$(cc_WIN_TOP_SRC),$(srcdir))
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endif
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BUILD_TOOLS = $(WIN_TOP_SRC)/build/unix
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else
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win_srcdir := $(srcdir)
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BUILD_TOOLS = $(MOZILLA_DIR)/build/unix
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endif
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CONFIG_TOOLS = $(MOZ_BUILD_ROOT)/config
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AUTOCONF_TOOLS = $(MOZILLA_DIR)/build/autoconf
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ifdef _MSC_VER
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# clang-cl is smart enough to generate dependencies directly.
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ifndef CLANG_CL
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CC_WRAPPER ?= $(call py_action,cl)
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CXX_WRAPPER ?= $(call py_action,cl)
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endif # CLANG_CL
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endif # _MSC_VER
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CC := $(CC_WRAPPER) $(CC)
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CXX := $(CXX_WRAPPER) $(CXX)
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MKDIR ?= mkdir
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SLEEP ?= sleep
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TOUCH ?= touch
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PYTHON_PATH = $(PYTHON) $(topsrcdir)/config/pythonpath.py
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#
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# Build using PIC by default
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#
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_ENABLE_PIC=1
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# Don't build SIMPLE_PROGRAMS with PGO, since they don't need it anyway,
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# and we don't have the same build logic to re-link them in the second pass.
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ifdef SIMPLE_PROGRAMS
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NO_PROFILE_GUIDED_OPTIMIZE = 1
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endif
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# No sense in profiling unit tests
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ifdef CPP_UNIT_TESTS
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NO_PROFILE_GUIDED_OPTIMIZE = 1
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endif
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# Enable profile-based feedback
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ifneq (1,$(NO_PROFILE_GUIDED_OPTIMIZE))
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ifdef MOZ_PROFILE_GENERATE
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PGO_CFLAGS += $(if $(filter $(notdir $<),$(notdir $(NO_PROFILE_GUIDED_OPTIMIZE))),,$(PROFILE_GEN_CFLAGS))
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PGO_LDFLAGS += $(PROFILE_GEN_LDFLAGS)
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ifeq (WINNT,$(OS_ARCH))
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AR_FLAGS += -LTCG
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endif
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endif # MOZ_PROFILE_GENERATE
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ifdef MOZ_PROFILE_USE
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PGO_CFLAGS += $(if $(filter $(notdir $<),$(notdir $(NO_PROFILE_GUIDED_OPTIMIZE))),,$(PROFILE_USE_CFLAGS))
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PGO_LDFLAGS += $(PROFILE_USE_LDFLAGS)
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ifeq (WINNT,$(OS_ARCH))
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AR_FLAGS += -LTCG
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endif
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endif # MOZ_PROFILE_USE
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endif # NO_PROFILE_GUIDED_OPTIMIZE
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LOCALE_TOPDIR ?= $(topsrcdir)
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MAKE_JARS_FLAGS = \
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-t $(LOCALE_TOPDIR) \
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-f $(MOZ_JAR_MAKER_FILE_FORMAT) \
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$(NULL)
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ifdef USE_EXTENSION_MANIFEST
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MAKE_JARS_FLAGS += -e
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endif
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TAR_CREATE_FLAGS = -chf
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#
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# Default command macros; can be overridden in <arch>.mk.
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#
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CCC = $(CXX)
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INCLUDES = \
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-I$(srcdir) \
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-I$(CURDIR) \
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$(LOCAL_INCLUDES) \
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-I$(ABS_DIST)/include \
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$(NULL)
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include $(MOZILLA_DIR)/config/static-checking-config.mk
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LDFLAGS = $(COMPUTED_LDFLAGS) $(PGO_LDFLAGS) $(MK_LDFLAGS)
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COMPILE_CFLAGS = $(COMPUTED_CFLAGS) $(PGO_CFLAGS) $(_DEPEND_CFLAGS) $(MK_COMPILE_DEFINES)
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COMPILE_CXXFLAGS = $(COMPUTED_CXXFLAGS) $(PGO_CFLAGS) $(_DEPEND_CFLAGS) $(MK_COMPILE_DEFINES)
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COMPILE_CMFLAGS = $(OS_COMPILE_CMFLAGS) $(MOZBUILD_CMFLAGS)
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COMPILE_CMMFLAGS = $(OS_COMPILE_CMMFLAGS) $(MOZBUILD_CMMFLAGS)
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ASFLAGS = $(COMPUTED_ASFLAGS)
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SFLAGS = $(COMPUTED_SFLAGS)
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HOST_CFLAGS = $(COMPUTED_HOST_CFLAGS) $(_DEPEND_CFLAGS)
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HOST_CXXFLAGS = $(COMPUTED_HOST_CXXFLAGS) $(_DEPEND_CFLAGS)
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HOST_C_LDFLAGS = $(COMPUTED_HOST_C_LDFLAGS)
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HOST_CXX_LDFLAGS = $(COMPUTED_HOST_CXX_LDFLAGS)
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# We only add color flags if neither the flag to disable color
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# (e.g. "-fno-color-diagnostics" nor a flag to control color
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# (e.g. "-fcolor-diagnostics=never") is present.
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define colorize_flags
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ifeq (,$(filter $(COLOR_CFLAGS:-f%=-fno-%),$$(1))$(findstring $(COLOR_CFLAGS),$$(1)))
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$(1) += $(COLOR_CFLAGS)
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endif
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endef
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color_flags_vars := \
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COMPILE_CFLAGS \
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COMPILE_CXXFLAGS \
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COMPILE_CMFLAGS \
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COMPILE_CMMFLAGS \
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LDFLAGS \
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$(NULL)
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ifdef MACH_STDOUT_ISATTY
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ifdef COLOR_CFLAGS
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# TODO Bug 1319166 - iTerm2 interprets some bytes sequences as a
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# request to show a print dialog. Don't enable color on iTerm2 until
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# a workaround is in place.
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ifneq ($(TERM_PROGRAM),iTerm.app)
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$(foreach var,$(color_flags_vars),$(eval $(call colorize_flags,$(var))))
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endif
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endif
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endif
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#
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# Name of the binary code directories
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#
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# Override defaults
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DEPENDENCIES = .md
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ifdef MACOSX_DEPLOYMENT_TARGET
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export MACOSX_DEPLOYMENT_TARGET
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endif # MACOSX_DEPLOYMENT_TARGET
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# Export to propagate to cl and submake for third-party code.
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# Eventually, we'll want to just use -I.
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ifdef INCLUDE
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export INCLUDE
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endif
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# Export to propagate to link.exe and submake for third-party code.
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# Eventually, we'll want to just use -LIBPATH.
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ifdef LIB
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export LIB
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endif
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ifdef MOZ_USING_CCACHE
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ifdef CLANG_CXX
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export CCACHE_CPP2=1
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endif
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endif
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# Set link flags according to whether we want a console.
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ifeq ($(OS_ARCH),WINNT)
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ifdef MOZ_WINCONSOLE
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ifeq ($(MOZ_WINCONSOLE),1)
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WIN32_EXE_LDFLAGS += $(WIN32_CONSOLE_EXE_LDFLAGS)
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else # MOZ_WINCONSOLE
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WIN32_EXE_LDFLAGS += $(WIN32_GUI_EXE_LDFLAGS)
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endif
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else
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# For setting subsystem version
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WIN32_EXE_LDFLAGS += $(WIN32_CONSOLE_EXE_LDFLAGS)
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endif
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endif # WINNT
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ifdef _MSC_VER
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ifeq ($(CPU_ARCH),x86_64)
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ifdef MOZ_ASAN
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# ASan could have 3x stack memory usage of normal builds.
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WIN32_EXE_LDFLAGS += -STACK:6291456
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else
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# set stack to 2MB on x64 build. See bug 582910
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WIN32_EXE_LDFLAGS += -STACK:2097152
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endif
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endif
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endif
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-include $(topsrcdir)/$(MOZ_BUILD_APP)/app-config.mk
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######################################################################
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GARBAGE += $(DEPENDENCIES) core $(wildcard core.[0-9]*) $(wildcard *.err) $(wildcard *.pure) $(wildcard *_pure_*.o) Templates.DB
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ifeq ($(OS_ARCH),Darwin)
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ifndef NSDISTMODE
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NSDISTMODE=absolute_symlink
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endif
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PWD := $(CURDIR)
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endif
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NSINSTALL_PY := $(PYTHON) $(abspath $(MOZILLA_DIR)/config/nsinstall.py)
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ifneq (,$(or $(filter WINNT,$(HOST_OS_ARCH)),$(if $(COMPILE_ENVIRONMENT),,1)))
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NSINSTALL = $(NSINSTALL_PY)
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else
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NSINSTALL = $(DEPTH)/config/nsinstall$(HOST_BIN_SUFFIX)
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endif # WINNT
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ifeq (,$(CROSS_COMPILE)$(filter-out WINNT, $(OS_ARCH)))
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INSTALL = $(NSINSTALL) -t
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else
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# This isn't laid out as conditional directives so that NSDISTMODE can be
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# target-specific.
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INSTALL = $(if $(filter absolute_symlink, $(NSDISTMODE)), $(NSINSTALL) -L $(PWD), $(NSINSTALL) -R)
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endif # WINNT
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# The default for install_cmd is simply INSTALL
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install_cmd ?= $(INSTALL) $(1)
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# Use nsinstall in copy mode to install files on the system
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SYSINSTALL = $(NSINSTALL) -t
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# This isn't necessarily true, just here
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sysinstall_cmd = install_cmd
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#
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# Localization build automation
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#
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# Because you might wish to "make locales AB_CD=ab-CD", we don't hardcode
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# MOZ_UI_LOCALE directly, but use an intermediate variable that can be
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# overridden by the command line. (Besides, AB_CD is prettier).
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AB_CD = $(MOZ_UI_LOCALE)
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include $(MOZILLA_DIR)/config/AB_rCD.mk
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# Many locales directories want this definition.
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ACDEFINES += -DAB_CD=$(AB_CD)
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ifndef L10NBASEDIR
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L10NBASEDIR = $(error L10NBASEDIR not defined by configure)
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endif
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EXPAND_LOCALE_SRCDIR = $(if $(filter en-US,$(AB_CD)),$(LOCALE_TOPDIR)/$(1)/en-US,$(or $(realpath $(L10NBASEDIR)),$(abspath $(L10NBASEDIR)))/$(AB_CD)/$(subst /locales,,$(1)))
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ifdef relativesrcdir
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LOCALE_RELATIVEDIR ?= $(relativesrcdir)
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endif
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ifdef LOCALE_RELATIVEDIR
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LOCALE_SRCDIR ?= $(call EXPAND_LOCALE_SRCDIR,$(LOCALE_RELATIVEDIR))
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endif
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ifdef relativesrcdir
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MAKE_JARS_FLAGS += --relativesrcdir=$(LOCALE_RELATIVEDIR)
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ifneq (en-US,$(AB_CD))
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ifdef IS_LANGUAGE_REPACK
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MAKE_JARS_FLAGS += --locale-mergedir=$(REAL_LOCALE_MERGEDIR)
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endif
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ifdef IS_LANGUAGE_REPACK
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MAKE_JARS_FLAGS += --l10n-base=$(L10NBASEDIR)/$(AB_CD)
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endif
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else
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MAKE_JARS_FLAGS += -c $(LOCALE_SRCDIR)
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endif # en-US
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else
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MAKE_JARS_FLAGS += -c $(LOCALE_SRCDIR)
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endif # ! relativesrcdir
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ifdef IS_LANGUAGE_REPACK
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MERGE_FILE = $(firstword \
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$(wildcard $(REAL_LOCALE_MERGEDIR)/$(subst /locales,,$(LOCALE_RELATIVEDIR))/$(1)) \
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$(wildcard $(LOCALE_SRCDIR)/$(1)) \
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$(srcdir)/en-US/$(1) )
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# Like MERGE_FILE, but with the specified relative source directory
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# $(2) replacing $(srcdir). It's expected that $(2) will include
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# '/locales' but not '/locales/en-US'.
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#
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# MERGE_RELATIVE_FILE and MERGE_FILE could be -- ahem -- merged by
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# making the second argument optional, but that expression makes for
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# difficult to read Make.
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MERGE_RELATIVE_FILE = $(firstword \
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$(wildcard $(REAL_LOCALE_MERGEDIR)/$(subst /locales,,$(2))/$(1)) \
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$(wildcard $(call EXPAND_LOCALE_SRCDIR,$(2))/$(1)) \
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$(topsrcdir)/$(2)/en-US/$(1) )
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else
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MERGE_FILE = $(LOCALE_SRCDIR)/$(1)
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MERGE_RELATIVE_FILE = $(call EXPAND_LOCALE_SRCDIR,$(2))/$(1)
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endif
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ifneq (WINNT,$(OS_ARCH))
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RUN_TEST_PROGRAM = $(DIST)/bin/run-mozilla.sh
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endif # ! WINNT
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#
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# Java macros
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#
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# Make sure any compiled classes work with at least JVM 1.4
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JAVAC_FLAGS += -source 1.4
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ifdef MOZ_DEBUG
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JAVAC_FLAGS += -g
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endif
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# $(call CHECK_SYMBOLS,lib,PREFIX,dep_name,test)
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# Checks that the given `lib` doesn't contain dependency on symbols with a
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# version starting with `PREFIX`_ and matching the `test`. `dep_name` is only
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# used for the error message.
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# `test` is an awk expression using the information in the variable `v` which
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# contains a list of version items ([major, minor, ...]).
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define CHECK_SYMBOLS
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@$(TOOLCHAIN_PREFIX)readelf -sW $(1) | \
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awk '$$8 ~ /@$(2)_/ { \
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split($$8,a,"@"); \
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split(a[2],b,"_"); \
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split(b[2],v,"."); \
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if ($(4)) { \
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if (!found) { \
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print "TEST-UNEXPECTED-FAIL | check_stdcxx | We do not want these $(3) symbol versions to be used:" \
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} \
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print " ",$$8; \
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found=1 \
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} \
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} \
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END { \
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if (found) { \
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exit(1) \
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} \
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}'
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endef
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ifneq (,$(MOZ_LIBSTDCXX_TARGET_VERSION)$(MOZ_LIBSTDCXX_HOST_VERSION))
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CHECK_STDCXX = $(call CHECK_SYMBOLS,$(1),GLIBCXX,libstdc++,v[1] > 3 || (v[1] == 3 && v[2] == 4 && v[3] > 16))
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CHECK_GLIBC = $(call CHECK_SYMBOLS,$(1),GLIBC,libc,v[1] > 2 || (v[1] == 2 && v[2] > 12))
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endif
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ifeq (,$(filter $(OS_TARGET),WINNT Darwin))
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CHECK_TEXTREL = @$(TOOLCHAIN_PREFIX)readelf -d $(1) | grep TEXTREL > /dev/null && echo 'TEST-UNEXPECTED-FAIL | check_textrel | We do not want text relocations in libraries and programs' || true
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endif
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ifeq ($(MOZ_WIDGET_TOOLKIT),android)
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# While this is very unlikely (libc being added by the compiler at the end
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# of the linker command line), if libmozglue.so ends up after libc.so, all
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# hell breaks loose, so better safe than sorry, and check it's actually the
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# case.
|
|
CHECK_MOZGLUE_ORDER = @$(TOOLCHAIN_PREFIX)readelf -d $(1) | grep NEEDED | awk '{ libs[$$NF] = ++n } END { if (libs["[libmozglue.so]"] && libs["[libc.so]"] < libs["[libmozglue.so]"]) { print "libmozglue.so must be linked before libc.so"; exit 1 } }'
|
|
endif
|
|
|
|
define CHECK_BINARY
|
|
$(call CHECK_GLIBC,$(1))
|
|
$(call CHECK_STDCXX,$(1))
|
|
$(call CHECK_TEXTREL,$(1))
|
|
$(call LOCAL_CHECKS,$(1))
|
|
$(call CHECK_MOZGLUE_ORDER,$(1))
|
|
endef
|
|
|
|
# autoconf.mk sets OBJ_SUFFIX to an error to avoid use before including
|
|
# this file
|
|
OBJ_SUFFIX := $(_OBJ_SUFFIX)
|
|
|
|
OBJS_VAR_SUFFIX := OBJS
|
|
|
|
# PGO builds with GCC build objects with instrumentation in a first pass,
|
|
# then objects optimized, without instrumentation, in a second pass. If
|
|
# we overwrite the objects from the first pass with those from the second,
|
|
# we end up not getting instrumentation data for better optimization on
|
|
# incremental builds. As a consequence, we use a different object suffix
|
|
# for the first pass.
|
|
ifdef MOZ_PROFILE_GENERATE
|
|
ifdef GNU_CC
|
|
OBJS_VAR_SUFFIX := PGO_OBJS
|
|
ifndef NO_PROFILE_GUIDED_OPTIMIZE
|
|
OBJ_SUFFIX := i_o
|
|
endif
|
|
endif
|
|
endif
|
|
|
|
PLY_INCLUDE = -I$(MOZILLA_DIR)/other-licenses/ply
|
|
|
|
export CL_INCLUDES_PREFIX
|
|
# Make sure that the build system can handle non-ASCII characters
|
|
# in environment variables to prevent it from breking silently on
|
|
# non-English systems.
|
|
export NONASCII
|