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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

# LLVM_CXXFLAGS comes with its own optimization flags.
MOZ_OPTIMIZE =

include $(topsrcdir)/config/config.mk

# In the current moz.build world, we need to override essentially every
# variable to limit ourselves to what we need to build the clang plugin.
ifeq ($(HOST_OS_ARCH),WINNT)
OS_CXXFLAGS := $(LLVM_CXXFLAGS) -GR- -EHsc
else
OS_CXXFLAGS := $(LLVM_CXXFLAGS) -fno-rtti -fno-exceptions
DSO_LDOPTS := -shared
endif
OS_COMPILE_CXXFLAGS :=
OS_LDFLAGS := $(LLVM_LDFLAGS) $(CLANG_LDFLAGS)

ifeq ($(HOST_OS_ARCH)_$(OS_ARCH),Linux_Darwin)
# Use the host compiler instead of the target compiler.
CXX := $(HOST_CXX)
# expandlibs doesn't know the distinction between host and target toolchains,
# and on cross linux/darwin builds, the options to give to the linker for file
# lists differ between both, so don't use file lists.
EXPAND_MKSHLIB_ARGS :=
# Don't pass OSX linker arguments.
MOZ_FIX_LINK_PATHS :=
endif

# Use the default OS X deployment target to enable using the libc++ headers
# correctly.  Note that the binary produced here is a host tool and doesn't need
# to be distributed.
MACOSX_DEPLOYMENT_TARGET :=

# Temporarily relax the requirements for libstdc++ symbol versions on static
# analysis plugin in order to use a recent clang by accepting libstdc++ from
# gcc 4.4.0 (GLIBCXX_3.4.11).
ifdef CHECK_STDCXX
CHECK_STDCXX = $(call CHECK_SYMBOLS,$(1),GLIBCXX,libstdc++,v[1] > 3 || (v[1] == 3 && v[2] == 4 && v[3] > 11))
endif