llvm_config.mk revision b71e2df30a2a24d5566734b3c41716bee9351fd1 
1CLANG := $(HOST_OUT_EXECUTABLES)/clang$(HOST_EXECUTABLE_SUFFIX)
2CLANG_CXX := $(HOST_OUT_EXECUTABLES)/clang++$(HOST_EXECUTABLE_SUFFIX)
3LLVM_LINK := $(HOST_OUT_EXECUTABLES)/llvm-link$(HOST_EXECUTABLE_SUFFIX)
4
5define do-clang-flags-subst
6  TARGET_GLOBAL_CLANG_FLAGS := $(subst $(1),$(2),$(TARGET_GLOBAL_CLANG_FLAGS))
7  HOST_GLOBAL_CLANG_FLAGS := $(subst $(1),$(2),$(HOST_GLOBAL_CLANG_FLAGS))
8endef
9
10define clang-flags-subst
11  $(eval $(call do-clang-flags-subst,$(1),$(2)))
12endef
13
14
15CLANG_CONFIG_EXTRA_CFLAGS := \
16  -D__compiler_offsetof=__builtin_offsetof \
17  -Dnan=__builtin_nan \
18
19CLANG_CONFIG_UNKNOWN_CFLAGS := \
20  -funswitch-loops
21
22ifeq ($(TARGET_ARCH),arm)
23  CLANG_CONFIG_EXTRA_CFLAGS += \
24    -target arm-linux-androideabi \
25    -mllvm -arm-enable-ehabi
26  CLANG_CONFIG_EXTRA_LDFLAGS += \
27    -target arm-linux-androideabi \
28    -B$(TARGET_TOOLCHAIN_ROOT)/arm-linux-androideabi/bin
29  CLANG_CONFIG_UNKNOWN_CFLAGS += \
30    -mthumb-interwork \
31    -fgcse-after-reload \
32    -frerun-cse-after-loop \
33    -frename-registers \
34    -Wa,--noexecstack
35endif
36ifeq ($(TARGET_ARCH),x86)
37  CLANG_CONFIG_EXTRA_CFLAGS += \
38    -target i686-android-linux
39  CLANG_CONFIG_EXTRA_LDFLAGS += \
40    -target i686-android-linux \
41    -B$(TARGET_TOOLCHAIN_ROOT)/i686-android-linux/bin
42  CLANG_CONFIG_UNKNOWN_CFLAGS += \
43    -finline-limit=300 \
44    -fno-inline-functions-called-once \
45    -mfpmath=sse \
46    -mbionic
47endif
48
49CLANG_CONFIG_EXTRA_C_INCLUDES := external/clang/lib/Headers
50
51# remove unknown flags to define CLANG_FLAGS
52TARGET_GLOBAL_CLANG_FLAGS += $(filter-out $(CLANG_CONFIG_UNKNOWN_CFLAGS),$(TARGET_GLOBAL_CFLAGS))
53HOST_GLOBAL_CLANG_FLAGS += $(filter-out $(CLANG_CONFIG_UNKNOWN_CFLAGS),$(HOST_GLOBAL_CFLAGS))
54
55# llvm does not yet support -march=armv5e nor -march=armv5te, fall back to armv5 or armv5t
56$(call clang-flags-subst,-march=armv5te,-march=armv5t)
57$(call clang-flags-subst,-march=armv5e,-march=armv5)
58