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 # combo_2nd_arch_prefix -- it's defined if this is loaded for the 2nd arch. 22 # 23 24 # Build a target string like "linux-arm" or "darwin-x86". 25 combo_os_arch := $($(combo_target)OS)-$($(combo_target)$(combo_2nd_arch_prefix)ARCH) 26 27 combo_var_prefix := $(combo_2nd_arch_prefix)$(combo_target) 28 29 # Set reasonable defaults for the various variables 30 31 $(combo_var_prefix)CC := $(CC) 32 $(combo_var_prefix)CXX := $(CXX) 33 $(combo_var_prefix)AR := $(AR) 34 $(combo_var_prefix)STRIP := $(STRIP) 35 36 $(combo_var_prefix)BINDER_MINI := 0 37 38 $(combo_var_prefix)HAVE_EXCEPTIONS := 0 39 $(combo_var_prefix)HAVE_UNIX_FILE_PATH := 1 40 $(combo_var_prefix)HAVE_WINDOWS_FILE_PATH := 0 41 $(combo_var_prefix)HAVE_RTTI := 1 42 $(combo_var_prefix)HAVE_CALL_STACKS := 1 43 $(combo_var_prefix)HAVE_64BIT_IO := 1 44 $(combo_var_prefix)HAVE_CLOCK_TIMERS := 1 45 $(combo_var_prefix)HAVE_PTHREAD_RWLOCK := 1 46 $(combo_var_prefix)HAVE_STRNLEN := 1 47 $(combo_var_prefix)HAVE_STRERROR_R_STRRET := 1 48 $(combo_var_prefix)HAVE_STRLCPY := 0 49 $(combo_var_prefix)HAVE_STRLCAT := 0 50 $(combo_var_prefix)HAVE_KERNEL_MODULES := 0 51 52 $(combo_var_prefix)GLOBAL_CFLAGS := -fno-exceptions -Wno-multichar 53 $(combo_var_prefix)RELEASE_CFLAGS := -O2 -g -fno-strict-aliasing 54 $(combo_var_prefix)GLOBAL_CPPFLAGS := 55 $(combo_var_prefix)GLOBAL_LDFLAGS := 56 $(combo_var_prefix)GLOBAL_ARFLAGS := crsPD 57 $(combo_var_prefix)GLOBAL_LD_DIRS := 58 59 $(combo_var_prefix)EXECUTABLE_SUFFIX := 60 $(combo_var_prefix)SHLIB_SUFFIX := .so 61 $(combo_var_prefix)JNILIB_SUFFIX := $($(combo_var_prefix)SHLIB_SUFFIX) 62 $(combo_var_prefix)STATIC_LIB_SUFFIX := .a 63 64 # Now include the combo for this specific target. 65 include $(BUILD_COMBOS)/$(combo_target)$(combo_os_arch).mk 66 67 ifneq ($(USE_CCACHE),) 68 # The default check uses size and modification time, causing false misses 69 # since the mtime depends when the repo was checked out 70 export CCACHE_COMPILERCHECK := content 71 72 # See man page, optimizations to get more cache hits 73 # implies that __DATE__ and __TIME__ are not critical for functionality. 74 # Ignore include file modification time since it will depend on when 75 # the repo was checked out 76 export CCACHE_SLOPPINESS := time_macros,include_file_mtime,file_macro 77 78 # Turn all preprocessor absolute paths into relative paths. 79 # Fixes absolute paths in preprocessed source due to use of -g. 80 # We don't really use system headers much so the rootdir is 81 # fine; ensures these paths are relative for all Android trees 82 # on a workstation. 83 export CCACHE_BASEDIR := / 84 85 # Workaround for ccache with clang. 86 # See http://petereisentraut.blogspot.com/2011/09/ccache-and-clang-part-2.html 87 export CCACHE_CPP2 := true 88 89 CCACHE_HOST_TAG := $(HOST_PREBUILT_TAG) 90 # If we are cross-compiling Windows binaries on Linux 91 # then use the linux ccache binary instead. 92 ifeq ($(HOST_OS)-$(BUILD_OS),windows-linux) 93 CCACHE_HOST_TAG := linux-$(HOST_PREBUILT_ARCH) 94 endif 95 ccache := prebuilts/misc/$(CCACHE_HOST_TAG)/ccache/ccache 96 # Check that the executable is here. 97 ccache := $(strip $(wildcard $(ccache))) 98 ifdef ccache 99 ifndef CC_WRAPPER 100 CC_WRAPPER := $(ccache) 101 endif 102 ifndef CXX_WRAPPER 103 CXX_WRAPPER := $(ccache) 104 endif 105 ccache = 106 endif 107 endif 108 109 # The C/C++ compiler can be wrapped by setting the CC/CXX_WRAPPER vars. 110 ifdef CC_WRAPPER 111 ifneq ($(CC_WRAPPER),$(firstword $($(combo_var_prefix)CC))) 112 $(combo_var_prefix)CC := $(CC_WRAPPER) $($(combo_var_prefix)CC) 113 endif 114 endif 115 ifdef CXX_WRAPPER 116 ifneq ($(CXX_WRAPPER),$(firstword $($(combo_var_prefix)CXX))) 117 $(combo_var_prefix)CXX := $(CXX_WRAPPER) $($(combo_var_prefix)CXX) 118 endif 119 endif 120
