CI: use LCG_97 for macOS

.gitlab-ci.d/init_x86_64.sh

@@ -7,8 +7,15 @@ if [ "$(uname)" == "Linux" ]; then
     elif [ "$( cat /etc/*-release | grep CentOS )" ]; then
         OS=centos7
     else
-        echo "Cannot detect OS, falling back to SLC6"
-        OS=slc6
+        echo "Cannot detect OS, falling back to CentOS7"
+        OS=centos7
+    fi
+elif [ "$(uname)" == "Darwin" ]; then
+    if [ $(sw_vers -productVersion | awk -F '.' '{print $1 "." $2}') == "10.15" ]; then
+        OS=mac1015
+    else
+        echo "Bootstrap only works on macOS Catalina (10.15)"
+        exit 1
     fi
 else
     echo "Unknown OS"
@@ -32,23 +39,38 @@ fi
 
 
 # Determine which LCG version to use
+if [ "$(uname)" == "Darwin" ]; then
+    DEFAULT_LCG="LCG_97python3"
+else
+    DEFAULT_LCG="LCG_96b"
+fi
+
 if [ -z ${LCG_VERSION} ]; then
-    echo "No explicit LCG version set, using LCG_96b."
-    LCG_VERSION="LCG_96b"
+    echo "No explicit LCG version set, using ${DEFAULT_LCG}."
+    LCG_VERSION=${DEFAULT_LCG}
 fi
 
 # Determine which compiler to use
 if [ -z ${COMPILER_TYPE} ]; then
-    echo "No compiler type set, falling back to GCC."
-    COMPILER_TYPE="gcc"
+    if [ "$(uname)" == "Darwin" ]; then
+        COMPILER_TYPE="llvm"
+        echo "No compiler type set, falling back to AppleClang."
+    else
+        echo "No compiler type set, falling back to GCC."
+        COMPILER_TYPE="gcc"
+    fi
 fi
 if [ ${COMPILER_TYPE} == "gcc" ]; then
-    echo "Compiler type set to GCC."
     COMPILER_VERSION="gcc8"
+    echo "Compiler type set to GCC, version ${COMPILER_VERSION}."
 fi
 if [ ${COMPILER_TYPE} == "llvm" ]; then
-    echo "Compiler type set to LLVM."
-    COMPILER_VERSION="clang8"
+    if [ "$(uname)" == "Darwin" ]; then
+        COMPILER_VERSION="clang110"
+    else
+        COMPILER_VERSION="clang8"
+    fi
+    echo "Compiler type set to LLVM, version ${COMPILER_VERSION}."
 fi
 
 # Choose build type
@@ -64,7 +86,8 @@ export BUILD_FLAVOUR=x86_64-${OS}-${COMPILER_VERSION}-${BUILD_TYPE}
 #     Source full LCG view
 #--------------------------------------------------------------------------------
 
-source ${SFTREPO}/lcg/views/${LCG_VERSION}/${BUILD_FLAVOUR}/setup.sh
+export LCG_VIEW=${SFTREPO}/lcg/views/${LCG_VERSION}/${BUILD_FLAVOUR}/setup.sh
+source ${LCG_VIEW} || echo "yes"
 
 # Fix LCIO path for LCG_96, cmake configs are not properly placed:
 export LCIO_DIR=$(dirname $(dirname $(readlink $(which lcio_event_counter))))