Support for Xcode 16.3 and macOS 15.4.

Author: FonsRademakers

cmake/external/ROOT.cmake

@@ -14,7 +14,11 @@ if(APPLE)
      "${DETECTED_OS_VERS}" MATCHES "^osx-11.7")
     execute_process(COMMAND bash "-c" "xcodebuild -version | sed -En 's/Xcode[[:space:]]+([0-9\.]*)/\\1/p'" OUTPUT_VARIABLE XCODE_VERS)
     message(STATUS "##### XCODE version: ${XCODE_VERS}")
-    if("${XCODE_VERS}" GREATER_EQUAL "16.2")
+    if("${XCODE_VERS}" GREATER_EQUAL "16.3")
+      message(STATUS "##### Using ROOT builds for XCODE 16.3")
+      set(ROOT_TAR_FILE root_v6.34.08_cxx17_python3.9_osx-xcode-16.3-${DETECTED_ARCH}.tar.gz)
+      set(ROOT_SHA_KEY osx-xcode-16.3-${DETECTED_ARCH}-ROOT)
+    elseif("${XCODE_VERS}" GREATER_EQUAL "16.2")
       message(STATUS "##### Using ROOT builds for XCODE 16.2")
       set(ROOT_TAR_FILE root_v6.32.08_cxx17_python3.9_osx-xcode-16.2-${DETECTED_ARCH}.tar.gz)
       set(ROOT_SHA_KEY osx-xcode-16.2-${DETECTED_ARCH}-ROOT)

cmake/external/SHA256Digests.cmake

@@ -96,6 +96,8 @@ SET(osx-xcode-16.1-i386-ROOT 5d8261b8a694151c802d9de2957e91380b31ddb2fa5c1028ed4
 SET(osx-xcode-16.1-arm64-ROOT b339a8fac8e360087e533a30b4cd1d2a8059ec84d5826a3f9c8c64109fff1c41)
 SET(osx-xcode-16.2-i386-ROOT b0be8291d14c0c66f250297e524debc1d6888a95da32e80918fc51c5c582fc8b)
 SET(osx-xcode-16.2-arm64-ROOT 4cd66eca15c97b3ffbf159fb7aeb728483c745b275ef89b3679812561cf0e346)
+SET(osx-xcode-16.3-i386-ROOT b0be8291d14c0c66f250297e524debc1d6888a95da32e80918fc51c5c582fc8b)
+SET(osx-xcode-16.3-arm64-ROOT 6021e4d3b2ef5e75f8cb888f373917162f68385d1475dda135081f8cf5bf54a3)
 
 SET(ubuntu-18.04-Libroadrunner bf9293c1c95d0b65227bd7e08c0048116ba851bcec5028ef72ea13762ef79276)
 SET(ubuntu-18.04-ParaView e3fd74b13e9a4086988c5104c6b8d95c56365d25b491706a8e72018d0e5c76f1)