diff options
| -rw-r--r-- | make/platform/clang_darwin.mk | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/make/platform/clang_darwin.mk b/make/platform/clang_darwin.mk index 777665245..564026ea7 100644 --- a/make/platform/clang_darwin.mk +++ b/make/platform/clang_darwin.mk @@ -6,6 +6,19 @@ 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 := UniversalArchs := @@ -13,23 +26,23 @@ UniversalArchs := # still be referenced from Darwin system headers. This symbol is only ever # needed on i386. Configs += eprintf -UniversalArchs.eprintf := i386 +UniversalArchs.eprintf := $(call CheckArches,i386) # 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 # support targetting PowerPC. 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 # in the same linkage unit, and for a couple of other functions that didn't # make it into libSystem. Configs += ios -UniversalArchs.ios := i386 x86_64 armv6 armv7 +UniversalArchs.ios := $(call CheckArches,i386 x86_64 armv6 armv7) # Configuration for use with kernel/kexts. Configs += cc_kext -UniversalArchs.cc_kext := armv6 armv7 i386 x86_64 +UniversalArchs.cc_kext := $(call CheckArches,armv6 armv7 i386 x86_64) ### |