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 # The default check uses size and modification time, causing false misses 64 # since the mtime depends when the repo was checked out 65 export CCACHE_COMPILERCHECK := content 66 67 # See man page, optimizations to get more cache hits 68 # implies that __DATE__ and __TIME__ are not critical for functionality. 69 # Ignore include file modification time since it will depend on when 70 # the repo was checked out 71 export CCACHE_SLOPPINESS := time_macros,include_file_mtime,file_macro 72 73 # Turn all preprocessor absolute paths into relative paths. 74 # Fixes absolute paths in preprocessed source due to use of -g. 75 # We don't really use system headers much so the rootdir is 76 # fine; ensures these paths are relative for all Android trees 77 # on a workstation. 78 export CCACHE_BASEDIR := / 79 80 CCACHE_HOST_TAG := $(HOST_PREBUILT_TAG) 81 # If we are cross-compiling Windows binaries on Linux 82 # then use the linux ccache binary instead. 83 ifeq ($(HOST_OS)-$(BUILD_OS),windows-linux) 84 CCACHE_HOST_TAG := linux-$(BUILD_ARCH) 85 endif 86 ccache := prebuilts/misc/$(CCACHE_HOST_TAG)/ccache/ccache 87 # Check that the executable is here. 88 ccache := $(strip $(wildcard $(ccache))) 89 ifdef ccache 90 # prepend ccache if necessary 91 ifneq ($(ccache),$(firstword $($(combo_target)CC))) 92 $(combo_target)CC := $(ccache) $($(combo_target)CC) 93 endif 94 ifneq ($(ccache),$(firstword $($(combo_target)CXX))) 95 $(combo_target)CXX := $(ccache) $($(combo_target)CXX) 96 endif 97 ccache = 98 endif 99 endif 100
