Allow building libc long double code with clang/llvm.

This requires fix of clang's Android x86 long double size and format.
That bug has been fixed in https://android-review.git.corp.google.com/#/c/146254/

Change-Id: I182c6c493085212f88c694356659f72227c8b8c7

diff --git a/libc/Android.mk b/libc/Android.mk
index 7bbdd99..8dbdc75 100644 (file)
--- a/libc/Android.mk
+++ b/libc/Android.mk
@@ -817,12 +817,7 @@ include $(BUILD_STATIC_LIBRARY)
 include $(CLEAR_VARS)
 
 LOCAL_SRC_FILES := $(libc_upstream_openbsd_ndk_src_files)
-ifneq (,$(filter $(TARGET_ARCH),x86 x86_64))
-  # Clang has wrong long double size or LDBL_MANT_DIG, http://b/17163651.
-  LOCAL_CLANG := false
-else
-  LOCAL_CLANG := $(use_clang)
-endif
+LOCAL_CLANG := $(use_clang)
 
 LOCAL_CFLAGS := \
     $(libc_common_cflags) \
@@ -860,12 +855,7 @@ include $(BUILD_STATIC_LIBRARY)
 include $(CLEAR_VARS)
 
 LOCAL_SRC_FILES := $(libc_upstream_openbsd_src_files)
-ifneq (,$(filter $(TARGET_ARCH),x86 x86_64))
-  # Clang has wrong long double size or LDBL_MANT_DIG, http://b/17163651.
-  LOCAL_CLANG := false
-else
-  LOCAL_CLANG := $(use_clang)
-endif
+LOCAL_CLANG := $(use_clang)
 
 LOCAL_CFLAGS := \
     $(libc_common_cflags) \
@@ -905,12 +895,7 @@ include $(CLEAR_VARS)
 
 LOCAL_SRC_FILES_32 := $(libc_upstream_openbsd_gdtoa_src_files_32)
 LOCAL_SRC_FILES_64 := $(libc_upstream_openbsd_gdtoa_src_files_64)
-ifneq (,$(filter $(TARGET_ARCH),x86 x86_64))
-  # Clang has wrong long double size or LDBL_MANT_DIG, http://b/17163651.
-  LOCAL_CLANG := false
-else
-  LOCAL_CLANG := $(use_clang)
-endif
+LOCAL_CLANG := $(use_clang)
 
 LOCAL_CFLAGS := \
     $(libc_common_cflags) \