5 files changed, 16 insertions, 10 deletions
diff --git a/ci/test/00_setup_env_mac.sh b/ci/test/00_setup_env_mac.sh
index a4dc54d1c1..44eb3d1fe4 100644
--- a/ci/test/00_setup_env_mac.sh
+++ b/ci/test/00_setup_env_mac.sh
@@ -9,7 +9,8 @@ export LC_ALL=C.UTF-8
 export CONTAINER_NAME=ci_macos_cross
 export HOST=x86_64-apple-darwin16
 export PACKAGES="cmake imagemagick libcap-dev librsvg2-bin libz-dev libbz2-dev libtiff-tools python3-dev python3-setuptools"
-export OSX_SDK=10.14
+export XCODE_VERSION=10.2.1
+export XCODE_BUILD_ID=10E1001
 export RUN_UNIT_TESTS=false
 export RUN_FUNCTIONAL_TESTS=false
 export GOAL="deploy"
diff --git a/ci/test/05_before_script.sh b/ci/test/05_before_script.sh
index 3685504524..de33881419 100755
--- a/ci/test/05_before_script.sh
+++ b/ci/test/05_before_script.sh
@@ -15,11 +15,14 @@ fi
 
 DOCKER_EXEC mkdir -p ${DEPENDS_DIR}/SDKs ${DEPENDS_DIR}/sdk-sources
 
-if [ -n "$OSX_SDK" ] && [ ! -f ${DEPENDS_DIR}/sdk-sources/MacOSX${OSX_SDK}.sdk.tar.gz ]; then
-  curl --location --fail $SDK_URL/MacOSX${OSX_SDK}.sdk.tar.gz -o ${DEPENDS_DIR}/sdk-sources/MacOSX${OSX_SDK}.sdk.tar.gz
+OSX_SDK_BASENAME="Xcode-${XCODE_VERSION}-${XCODE_BUILD_ID}-extracted-SDK-with-libcxx-headers.tar.gz"
+OSX_SDK_PATH="${DEPENDS_DIR}/sdk-sources/${OSX_SDK_BASENAME}"
+
+if [ -n "$XCODE_VERSION" ] && [ ! -f "$OSX_SDK_PATH" ]; then
+  curl --location --fail "${SDK_URL}/${OSX_SDK_BASENAME}" -o "$OSX_SDK_PATH"
 fi
-if [ -n "$OSX_SDK" ] && [ -f ${DEPENDS_DIR}/sdk-sources/MacOSX${OSX_SDK}.sdk.tar.gz ]; then
-  DOCKER_EXEC tar -C ${DEPENDS_DIR}/SDKs -xf ${DEPENDS_DIR}/sdk-sources/MacOSX${OSX_SDK}.sdk.tar.gz
+if [ -n "$XCODE_VERSION" ] && [ -f "$OSX_SDK_PATH" ]; then
+  DOCKER_EXEC tar -C "${DEPENDS_DIR}/SDKs" -xf "$OSX_SDK_PATH"
 fi
 if [[ $HOST = *-mingw32 ]]; then
   DOCKER_EXEC update-alternatives --set $HOST-g++ \$\(which $HOST-g++-posix\)
diff --git a/contrib/gitian-build.py b/contrib/gitian-build.py
index 4a3df93cea..48e2a9ec56 100755
--- a/contrib/gitian-build.py
+++ b/contrib/gitian-build.py
@@ -209,7 +209,7 @@ def main():
     args.macos = 'm' in args.os
 
     # Disable for MacOS if no SDK found
-    if args.macos and not os.path.isfile('gitian-builder/inputs/MacOSX10.14.sdk.tar.gz'):
+    if args.macos and not os.path.isfile('gitian-builder/inputs/Xcode-10.2.1-10E1001-extracted-SDK-with-libcxx-headers.tar.gz'):
         print('Cannot build for MacOS, SDK does not exist. Will build for other OSes')
         args.macos = False
 
diff --git a/contrib/gitian-descriptors/gitian-osx.yml b/contrib/gitian-descriptors/gitian-osx.yml
index bbae7201e5..756b5fd7cc 100644
--- a/contrib/gitian-descriptors/gitian-osx.yml
+++ b/contrib/gitian-descriptors/gitian-osx.yml
@@ -32,7 +32,7 @@ remotes:
 - "url": "https://github.com/bitcoin/bitcoin.git"
   "dir": "bitcoin"
 files:
-- "MacOSX10.14.sdk.tar.gz"
+- "Xcode-10.2.1-10E1001-extracted-SDK-with-libcxx-headers.tar.gz"
 script: |
   set -e -o pipefail
 
@@ -90,7 +90,7 @@ script: |
   BASEPREFIX="${PWD}/depends"
 
   mkdir -p ${BASEPREFIX}/SDKs
-  tar -C ${BASEPREFIX}/SDKs -xf ${BUILD_DIR}/MacOSX10.14.sdk.tar.gz
+  tar -C ${BASEPREFIX}/SDKs -xf ${BUILD_DIR}/Xcode-10.2.1-10E1001-extracted-SDK-with-libcxx-headers.tar.gz
 
   # Build dependencies for each host
   for i in $HOSTS; do
diff --git a/depends/hosts/darwin.mk b/depends/hosts/darwin.mk
index 82e086a326..272b8230e2 100644
--- a/depends/hosts/darwin.mk
+++ b/depends/hosts/darwin.mk
@@ -1,6 +1,8 @@
 OSX_MIN_VERSION=10.12
-OSX_SDK_VERSION=10.14
-OSX_SDK=$(SDK_PATH)/MacOSX$(OSX_SDK_VERSION).sdk
+OSX_SDK_VERSION=10.14.4
+XCODE_VERSION=10.2.1
+XCODE_BUILD_ID=10E1001
+OSX_SDK=$(SDK_PATH)/Xcode-$(XCODE_VERSION)-$(XCODE_BUILD_ID)-extracted-SDK-with-libcxx-headers
 darwin_CC=clang -target $(host) -mmacosx-version-min=$(OSX_MIN_VERSION) --sysroot $(OSX_SDK)
 darwin_CXX=clang++ -target $(host) -mmacosx-version-min=$(OSX_MIN_VERSION) --sysroot $(OSX_SDK) -stdlib=libc++