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      1 #
      2 # Copyright (C) 2006 The Android Open Source Project
      3 #
      4 # Licensed under the Apache License, Version 2.0 (the "License");
      5 # you may not use this file except in compliance with the License.
      6 # You may obtain a copy of the License at
      7 #
      8 #      http://www.apache.org/licenses/LICENSE-2.0
      9 #
     10 # Unless required by applicable law or agreed to in writing, software
     11 # distributed under the License is distributed on an "AS IS" BASIS,
     12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13 # See the License for the specific language governing permissions and
     14 # limitations under the License.
     15 #
     16 
     17 # Select a combo based on the compiler being used.
     18 #
     19 # Inputs:
     20 #	combo_target -- prefix for final variables (HOST_ or TARGET_)
     21 #
     22 
     23 # Build a target string like "linux-arm" or "darwin-x86".
     24 combo_os_arch := $($(combo_target)OS)-$($(combo_target)ARCH)
     25 
     26 # Set reasonable defaults for the various variables
     27 
     28 $(combo_target)CC := $(CC)
     29 $(combo_target)CXX := $(CXX)
     30 $(combo_target)AR := $(AR)
     31 $(combo_target)STRIP := $(STRIP)
     32 
     33 $(combo_target)BINDER_MINI := 0
     34 
     35 $(combo_target)HAVE_EXCEPTIONS := 0
     36 $(combo_target)HAVE_UNIX_FILE_PATH := 1
     37 $(combo_target)HAVE_WINDOWS_FILE_PATH := 0
     38 $(combo_target)HAVE_RTTI := 1
     39 $(combo_target)HAVE_CALL_STACKS := 1
     40 $(combo_target)HAVE_64BIT_IO := 1
     41 $(combo_target)HAVE_CLOCK_TIMERS := 1
     42 $(combo_target)HAVE_PTHREAD_RWLOCK := 1
     43 $(combo_target)HAVE_STRNLEN := 1
     44 $(combo_target)HAVE_STRERROR_R_STRRET := 1
     45 $(combo_target)HAVE_STRLCPY := 0
     46 $(combo_target)HAVE_STRLCAT := 0
     47 $(combo_target)HAVE_KERNEL_MODULES := 0
     48 
     49 $(combo_target)GLOBAL_CFLAGS := -fno-exceptions -Wno-multichar
     50 $(combo_target)RELEASE_CFLAGS := -O2 -g -fno-strict-aliasing
     51 $(combo_target)GLOBAL_LDFLAGS :=
     52 $(combo_target)GLOBAL_ARFLAGS := crsP
     53 
     54 $(combo_target)EXECUTABLE_SUFFIX :=
     55 $(combo_target)SHLIB_SUFFIX := .so
     56 $(combo_target)JNILIB_SUFFIX := $($(combo_target)SHLIB_SUFFIX)
     57 $(combo_target)STATIC_LIB_SUFFIX := .a
     58 
     59 # Now include the combo for this specific target.
     60 include $(BUILD_COMBOS)/$(combo_target)$(combo_os_arch).mk
     61 
     62 ifneq ($(USE_CCACHE),)
     63   CCACHE_HOST_TAG := $(HOST_PREBUILT_TAG)
     64   # If we are cross-compiling Windows binaries on Linux
     65   # then use the linux ccache binary instead.
     66   ifeq ($(HOST_OS)-$(BUILD_OS),windows-linux)
     67     CCACHE_HOST_TAG := linux-$(BUILD_ARCH)
     68   endif
     69   ccache := prebuilts/misc/$(CCACHE_HOST_TAG)/ccache/ccache
     70   # Check that the executable is here.
     71   ccache := $(strip $(wildcard $(ccache)))
     72   ifdef ccache
     73     # prepend ccache if necessary
     74     ifneq ($(ccache),$(firstword $($(combo_target)CC)))
     75       $(combo_target)CC := $(ccache) $($(combo_target)CC)
     76     endif
     77     ifneq ($(ccache),$(firstword $($(combo_target)CXX)))
     78       $(combo_target)CXX := $(ccache) $($(combo_target)CXX)
     79     endif
     80     ccache =
     81   endif
     82 endif
     83