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authorfanquake <fanquake@gmail.com>2020-06-26 14:41:08 +0800
committerfanquake <fanquake@gmail.com>2020-06-29 16:48:59 +0800
commita8d39b88406e2047746366355666b5f603105a2e (patch)
tree785ebfabe22c65e9650efff10b21c19543ffd8f8 /depends
parent19612ca2eb2e335c8ccc9c0f33421df22f1cc3b6 (diff)
downloadbitcoin-a8d39b88406e2047746366355666b5f603105a2e.tar.xz
doc: explain why passing -mlinker-version is required
Diffstat (limited to 'depends')
-rw-r--r--depends/hosts/darwin.mk3
1 files changed, 3 insertions, 0 deletions
diff --git a/depends/hosts/darwin.mk b/depends/hosts/darwin.mk
index 5f0bffa5cb..0d4fab937d 100644
--- a/depends/hosts/darwin.mk
+++ b/depends/hosts/darwin.mk
@@ -5,6 +5,9 @@ XCODE_BUILD_ID=11C505
LD64_VERSION=530
OSX_SDK=$(SDK_PATH)/Xcode-$(XCODE_VERSION)-$(XCODE_BUILD_ID)-extracted-SDK-with-libcxx-headers
+
+# When cross-compiling for Darwin using Clang, -mlinker-version must be passed to
+# ensure that modern linker features are enabled.
darwin_CC=clang -target $(host) -mmacosx-version-min=$(OSX_MIN_VERSION) --sysroot $(OSX_SDK) -mlinker-version=$(LD64_VERSION)
darwin_CXX=clang++ -target $(host) -mmacosx-version-min=$(OSX_MIN_VERSION) --sysroot $(OSX_SDK) -stdlib=libc++ -mlinker-version=$(LD64_VERSION)