Only build iOS runtime libraries when the iOS SDKs are available.

This was already set up for the iOS simulator ASan dylib simulator,
and this change extends that to the other iOS runtime libraries.
This is in preparation for building all those iOS libraries against
the real SDKs instead of the fake SDKs in compiler-rt.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@221614 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/runtime/compiler-rt/Makefile b/runtime/compiler-rt/Makefile
index 0211f503351e2c1462006074f251a6101685e6e6..7e2e2a8597e95b265fd5cf553e04819adcff1799 100644 (file)
--- a/runtime/compiler-rt/Makefile
+++ b/runtime/compiler-rt/Makefile
@@ -80,11 +80,26 @@ RuntimeDirs :=
 ifeq ($(OS),Darwin)
 RuntimeDirs += darwin macho_embedded
 RuntimeLibrary.darwin.Configs := \
-       eprintf.a 10.4.a osx.a ios.a cc_kext.a cc_kext_ios5.a \
+       eprintf.a 10.4.a osx.a cc_kext.a \
        asan_osx_dynamic.dylib \
-       profile_osx.a profile_ios.a \
+       profile_osx.a \
        ubsan_osx.a
 
+IOS_SDK := $(shell xcrun --show-sdk-path -sdk iphoneos 2> /dev/null)
+IOSSIM_SDK := $(shell xcrun --show-sdk-path -sdk iphonesimulator 2> /dev/null)
+
+ifneq ($(IOS_SDK)$(IOSSIM_SDK),)
+RuntimeLibrary.darwin.Configs += ios.a profile_ios.a
+endif
+
+ifneq ($(IOS_SDK),)
+RuntimeLibrary.darwin.Configs += cc_kext_ios5.a
+endif
+
+ifneq ($(IOSSIM_SDK),)
+RuntimeLibrary.darwin.Configs += asan_iossim_dynamic.dylib
+endif
+
 RuntimeLibrary.macho_embedded.Configs := \
        hard_static.a hard_pic.a
 ifneq (,$(findstring ARM,$(TARGETS_TO_BUILD)))
@@ -101,10 +116,6 @@ ACTIVE_SDK_PATH := $(shell xcrun --show-sdk-path 2> /dev/null)
 ifneq ($(ACTIVE_SDK_PATH),)
 COMPILERRT_MAKE_FLAGS := SDKROOT=$(ACTIVE_SDK_PATH)
 endif
-IOSSIM_SDK_PATH := $(shell xcrun --show-sdk-path -sdk iphonesimulator 2> /dev/null)
-ifneq ($(IOSSIM_SDK_PATH),)
-RuntimeLibrary.darwin.Configs += asan_iossim_dynamic.dylib
-endif
 
 endif