platform_build/core/llvm_config.mk

CLANG := $(HOST_OUT_EXECUTABLES)/clang$(HOST_EXECUTABLE_SUFFIX)
CLANG_CXX := $(HOST_OUT_EXECUTABLES)/clang++$(HOST_EXECUTABLE_SUFFIX)
LLVM_LINK := $(HOST_OUT_EXECUTABLES)/llvm-link$(HOST_EXECUTABLE_SUFFIX)

define do-clang-flags-subst
  TARGET_GLOBAL_CLANG_FLAGS := $(subst $(1),$(2),$(TARGET_GLOBAL_CLANG_FLAGS))
  HOST_GLOBAL_CLANG_FLAGS := $(subst $(1),$(2),$(HOST_GLOBAL_CLANG_FLAGS))
endef

define clang-flags-subst
  $(eval $(call do-clang-flags-subst,$(1),$(2)))
endef


CLANG_CONFIG_EXTRA_CFLAGS := \
  -D__compiler_offsetof=__builtin_offsetof \
  -Dnan=__builtin_nan \

CLANG_CONFIG_UNKNOWN_CFLAGS := \
  -funswitch-loops

ifeq ($(TARGET_ARCH),arm)
  CLANG_CONFIG_EXTRA_CFLAGS += \
    -target arm-linux-androideabi \
    -nostdlibinc \
    -B$(TARGET_TOOLCHAIN_ROOT)/arm-linux-androideabi/bin \
    -mllvm -arm-enable-ehabi
  CLANG_CONFIG_EXTRA_LDFLAGS += \
    -target arm-linux-androideabi \
    -B$(TARGET_TOOLCHAIN_ROOT)/arm-linux-androideabi/bin
  CLANG_CONFIG_UNKNOWN_CFLAGS += \
    -mthumb-interwork \
    -fgcse-after-reload \
    -frerun-cse-after-loop \
    -frename-registers \
    -Wa,--noexecstack
endif
ifeq ($(TARGET_ARCH),x86)
  CLANG_CONFIG_EXTRA_CFLAGS += \
    -target i686-android-linux \
    -nostdlibinc \
    -B$(TARGET_TOOLCHAIN_ROOT)/i686-android-linux/bin
  CLANG_CONFIG_EXTRA_LDFLAGS += \
    -target i686-android-linux \
    -B$(TARGET_TOOLCHAIN_ROOT)/i686-android-linux/bin
  CLANG_CONFIG_UNKNOWN_CFLAGS += \
    -finline-limit=300 \
    -fno-inline-functions-called-once \
    -mfpmath=sse \
    -mbionic
endif

CLANG_CONFIG_EXTRA_TARGET_C_INCLUDES := external/clang/lib/include

# remove unknown flags to define CLANG_FLAGS
TARGET_GLOBAL_CLANG_FLAGS += $(filter-out $(CLANG_CONFIG_UNKNOWN_CFLAGS),$(TARGET_GLOBAL_CFLAGS))
HOST_GLOBAL_CLANG_FLAGS += $(filter-out $(CLANG_CONFIG_UNKNOWN_CFLAGS),$(HOST_GLOBAL_CFLAGS))

# llvm does not yet support -march=armv5e nor -march=armv5te, fall back to armv5 or armv5t
$(call clang-flags-subst,-march=armv5te,-march=armv5t)
$(call clang-flags-subst,-march=armv5e,-march=armv5)
Define a basic llvm-link + clang environment Move it from dalvik/vm/translator/runtime/ to build/ Add handling of -march=armv5te and -march=armv5e 2012-01-12 16:09:06 +01:00			`CLANG := $(HOST_OUT_EXECUTABLES)/clang$(HOST_EXECUTABLE_SUFFIX)`
Add LOCAL_CLANG variable to switch C/C++ build environment to Clang. Change-Id: I8ca1c24f51aa5546ac9618d31566a52e4fdb1436 Conflicts: core/clear_vars.mk 2012-03-20 15:00:16 +01:00			`CLANG_CXX := $(HOST_OUT_EXECUTABLES)/clang++$(HOST_EXECUTABLE_SUFFIX)`
Define a basic llvm-link + clang environment Move it from dalvik/vm/translator/runtime/ to build/ Add handling of -march=armv5te and -march=armv5e 2012-01-12 16:09:06 +01:00			`LLVM_LINK := $(HOST_OUT_EXECUTABLES)/llvm-link$(HOST_EXECUTABLE_SUFFIX)`

			`define do-clang-flags-subst`
			`TARGET_GLOBAL_CLANG_FLAGS := $(subst $(1),$(2),$(TARGET_GLOBAL_CLANG_FLAGS))`
			`HOST_GLOBAL_CLANG_FLAGS := $(subst $(1),$(2),$(HOST_GLOBAL_CLANG_FLAGS))`
			`endef`

			`define clang-flags-subst`
			`$(eval $(call do-clang-flags-subst,$(1),$(2)))`
			`endef`


Add LOCAL_CLANG variable to switch C/C++ build environment to Clang. Change-Id: I8ca1c24f51aa5546ac9618d31566a52e4fdb1436 Conflicts: core/clear_vars.mk 2012-03-20 15:00:16 +01:00			`CLANG_CONFIG_EXTRA_CFLAGS := \`
			`-D__compiler_offsetof=__builtin_offsetof \`
			`-Dnan=__builtin_nan \`

Define a basic llvm-link + clang environment Move it from dalvik/vm/translator/runtime/ to build/ Add handling of -march=armv5te and -march=armv5e 2012-01-12 16:09:06 +01:00			`CLANG_CONFIG_UNKNOWN_CFLAGS := \`
Add LOCAL_CLANG variable to switch C/C++ build environment to Clang. Change-Id: I8ca1c24f51aa5546ac9618d31566a52e4fdb1436 Conflicts: core/clear_vars.mk 2012-03-20 15:00:16 +01:00			`-funswitch-loops`

			`ifeq ($(TARGET_ARCH),arm)`
			`CLANG_CONFIG_EXTRA_CFLAGS += \`
			`-target arm-linux-androideabi \`
Skip host system directories in Clang include path. This change removes /usr/include and /usr/local/include from Clang header search path. Change-Id: I84450f4f4aef829c5aef9221bf300e69819bac48 2012-03-26 12:15:47 +02:00			`-nostdlibinc \`
Make sure compiler flags also pick up correct toolchain. Change-Id: Id6ff8c3ee7cfa5dee46ef000cbceb7666b934240 2012-03-23 05:26:17 +01:00			`-B$(TARGET_TOOLCHAIN_ROOT)/arm-linux-androideabi/bin \`
Add LOCAL_CLANG variable to switch C/C++ build environment to Clang. Change-Id: I8ca1c24f51aa5546ac9618d31566a52e4fdb1436 Conflicts: core/clear_vars.mk 2012-03-20 15:00:16 +01:00			`-mllvm -arm-enable-ehabi`
			`CLANG_CONFIG_EXTRA_LDFLAGS += \`
			`-target arm-linux-androideabi \`
			`-B$(TARGET_TOOLCHAIN_ROOT)/arm-linux-androideabi/bin`
			`CLANG_CONFIG_UNKNOWN_CFLAGS += \`
			`-mthumb-interwork \`
			`-fgcse-after-reload \`
			`-frerun-cse-after-loop \`
			`-frename-registers \`
			`-Wa,--noexecstack`
			`endif`
			`ifeq ($(TARGET_ARCH),x86)`
			`CLANG_CONFIG_EXTRA_CFLAGS += \`
Make sure compiler flags also pick up correct toolchain. Change-Id: Id6ff8c3ee7cfa5dee46ef000cbceb7666b934240 2012-03-23 05:26:17 +01:00			`-target i686-android-linux \`
Skip host system directories in Clang include path. This change removes /usr/include and /usr/local/include from Clang header search path. Change-Id: I84450f4f4aef829c5aef9221bf300e69819bac48 2012-03-26 12:15:47 +02:00			`-nostdlibinc \`
Make sure compiler flags also pick up correct toolchain. Change-Id: Id6ff8c3ee7cfa5dee46ef000cbceb7666b934240 2012-03-23 05:26:17 +01:00			`-B$(TARGET_TOOLCHAIN_ROOT)/i686-android-linux/bin`
Add LOCAL_CLANG variable to switch C/C++ build environment to Clang. Change-Id: I8ca1c24f51aa5546ac9618d31566a52e4fdb1436 Conflicts: core/clear_vars.mk 2012-03-20 15:00:16 +01:00			`CLANG_CONFIG_EXTRA_LDFLAGS += \`
			`-target i686-android-linux \`
			`-B$(TARGET_TOOLCHAIN_ROOT)/i686-android-linux/bin`
			`CLANG_CONFIG_UNKNOWN_CFLAGS += \`
			`-finline-limit=300 \`
			`-fno-inline-functions-called-once \`
			`-mfpmath=sse \`
			`-mbionic`
			`endif`

Include Clang headers from ".../include" directory. Do it with -isystem instead of -I. Change-Id: I70fd55772e59a35f0b5a56816d61120f4921f4a4 2012-03-30 10:18:52 +02:00			`CLANG_CONFIG_EXTRA_TARGET_C_INCLUDES := external/clang/lib/include`
Define a basic llvm-link + clang environment Move it from dalvik/vm/translator/runtime/ to build/ Add handling of -march=armv5te and -march=armv5e 2012-01-12 16:09:06 +01:00
			`# remove unknown flags to define CLANG_FLAGS`
			`TARGET_GLOBAL_CLANG_FLAGS += $(filter-out $(CLANG_CONFIG_UNKNOWN_CFLAGS),$(TARGET_GLOBAL_CFLAGS))`
			`HOST_GLOBAL_CLANG_FLAGS += $(filter-out $(CLANG_CONFIG_UNKNOWN_CFLAGS),$(HOST_GLOBAL_CFLAGS))`

			`# llvm does not yet support -march=armv5e nor -march=armv5te, fall back to armv5 or armv5t`
			`$(call clang-flags-subst,-march=armv5te,-march=armv5t)`
			`$(call clang-flags-subst,-march=armv5e,-march=armv5)`