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Check architectures to make sure that we can build for all of them 

before we try to.

Patch by Patrick Walton!

llvm-svn: 131098
This commit is contained in:
Eric Christopher 2011-05-09 20:24:43 +00:00
parent b74944a829
commit 539ec3ae90
1 changed files with 17 additions and 4 deletions
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21
compiler-rt/make/platform/clang_darwin.mk
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@ -6,6 +6,19 @@
Description := Static runtime libraries for clang/Darwin. Description := Static runtime libraries for clang/Darwin.
# A function that ensures we don't try to build for architectures that we
# don't have working toolchains for.
CheckArches = \
$(shell \
result=""; \
for arch in $(1); do \
gcc -arch $$arch; \
if test $$? == 1; then result="$$result$$arch "; fi; \
done; \
echo $$result)
###
Configs := Configs :=
UniversalArchs := UniversalArchs :=
@ -13,23 +26,23 @@ UniversalArchs :=
# still be referenced from Darwin system headers. This symbol is only ever # still be referenced from Darwin system headers. This symbol is only ever
# needed on i386. # needed on i386.
Configs += eprintf Configs += eprintf
UniversalArchs.eprintf := i386 UniversalArchs.eprintf := $(call CheckArches,i386)
# Configuration for targetting 10.4. We need a few functions missing from # Configuration for targetting 10.4. We need a few functions missing from
# libgcc_s.10.4.dylib. We only build x86 slices since clang doesn't really # libgcc_s.10.4.dylib. We only build x86 slices since clang doesn't really
# support targetting PowerPC. # support targetting PowerPC.
Configs += 10.4 Configs += 10.4
UniversalArchs.10.4 := i386 x86_64 UniversalArchs.10.4 := $(call CheckArches,i386 x86_64)
# Configuration for targetting iOS, for some ARMv6 functions, which must be # Configuration for targetting iOS, for some ARMv6 functions, which must be
# in the same linkage unit, and for a couple of other functions that didn't # in the same linkage unit, and for a couple of other functions that didn't
# make it into libSystem. # make it into libSystem.
Configs += ios Configs += ios
UniversalArchs.ios := i386 x86_64 armv6 armv7 UniversalArchs.ios := $(call CheckArches,i386 x86_64 armv6 armv7)
# Configuration for use with kernel/kexts. # Configuration for use with kernel/kexts.
Configs += cc_kext Configs += cc_kext
UniversalArchs.cc_kext := armv6 armv7 i386 x86_64 UniversalArchs.cc_kext := $(call CheckArches,armv6 armv7 i386 x86_64)
### ###