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-rw-r--r--make/platform/clang_darwin.mk4
1 files changed, 3 insertions, 1 deletions
diff --git a/make/platform/clang_darwin.mk b/make/platform/clang_darwin.mk
index 99039846..7f8b4d71 100644
--- a/make/platform/clang_darwin.mk
+++ b/make/platform/clang_darwin.mk
@@ -83,12 +83,14 @@ UniversalArchs.ubsan_osx := $(call CheckArches,i386 x86_64,ubsan_osx)
# object files. If we are on that platform, strip out all ARM archs. We still
# build the libraries themselves so that Clang can find them where it expects
# them, even though they might not have an expected slice.
-ifneq ($(shell sw_vers -productVersion | grep 10.6),)
+ifneq ($(shell which sw_vers),)
+ifeq ($(shell sw_vers -productVersion | grep 10.6),)
UniversalArchs.ios := $(filter-out armv7, $(UniversalArchs.ios))
UniversalArchs.cc_kext := $(filter-out armv7, $(UniversalArchs.cc_kext))
UniversalArchs.cc_kext_ios5 := $(filter-out armv7, $(UniversalArchs.cc_kext_ios5))
UniversalArchs.profile_ios := $(filter-out armv7, $(UniversalArchs.profile_ios))
endif
+endif
# If RC_SUPPORTED_ARCHS is defined, treat it as a list of the architectures we
# are intended to support and limit what we try to build to that.