Automatically detect clang version.

Util/BuildTools/BuildOSM2ODR.sh

@@ -88,9 +88,13 @@ if ${BUILD_OSM2ODR} ; then
 
   mkdir -p ${OSM2ODR_BUILD_FOLDER}
   cd ${OSM2ODR_BUILD_FOLDER}
-  # define clang compiler
-  export CC=/usr/bin/clang
-  export CXX=/usr/bin/clang++
+
+  if [[ -z "${CARLA_CLANG_VERSION_MAJOR}" ]]; then
+    fatal_error "Missing clang version variable."
+  fi
+  
+  export CC=/usr/bin/clang-$CARLA_CLANG_VERSION_MAJOR
+  export CXX=/usr/bin/clang++-$CARLA_CLANG_VERSION_MAJOR
 
   cmake ${OSM2ODR_SOURCE_FOLDER} \
       -G "Eclipse CDT4 - Ninja" \

Util/BuildTools/BuildPythonAPI.sh

@@ -50,8 +50,12 @@ done
 
 source $(dirname "$0")/Environment.sh
 
-export CC=clang
-export CXX=clang++
+if [[ -z "${CARLA_CLANG_VERSION_MAJOR}" ]]; then
+  fatal_error "Missing clang version variable."
+fi
+
+export CC=clang-$CARLA_CLANG_VERSION_MAJOR
+export CXX=clang++-$CARLA_CLANG_VERSION_MAJOR
 
 if ! { ${REMOVE_INTERMEDIATE} || ${BUILD_PYTHONAPI} ; }; then
   fatal_error "Nothing selected to be done."

Util/BuildTools/Setup.sh

@@ -37,14 +37,16 @@ done
 # -- Set up environment --------------------------------------------------------
 # ==============================================================================
 
-command -v /usr/bin/clang++ >/dev/null 2>&1 || {
-  echo >&2 "clang1is required, but it's not installed.";
+source $(dirname "$0")/Environment.sh
+
+command -v /usr/bin/clang++-$CARLA_CLANG_VERSION_MAJOR >/dev/null 2>&1 || {
+  echo >&2 "clang-$CARLA_CLANG_VERSION_MAJOR is required, but it's not installed.";
   exit 1;
 }
 
-CXX_TAG=c10
-export CC=/usr/bin/clang
-export CXX=/usr/bin/clang++
+CXX_TAG=c$CARLA_CLANG_VERSION_MAJOR
+export CC=/usr/bin/clang-$CARLA_CLANG_VERSION_MAJOR
+export CXX=/usr/bin/clang++-$CARLA_CLANG_VERSION_MAJOR
 
 source $(dirname "$0")/Environment.sh
 
@@ -148,7 +150,7 @@ for PY_VERSION in ${PY_VERSION_LIST[@]} ; do
 
     pushd ${BOOST_BASENAME}-source >/dev/null
 
-    BOOST_TOOLSET="clang"
+    BOOST_TOOLSET="clang-$CARLA_CLANG_VERSION_MAJOR.0"
     BOOST_CFLAGS="-fPIC -std=c++14 -DBOOST_ERROR_CODE_HEADER_ONLY"
 
     py3="/usr/bin/env python${PY_VERSION}"

Util/BuildTools/Vars.mk

@@ -1,5 +1,7 @@
 # Here CURDIR is assumed to be the root folder of the project.
 
+export CARLA_CLANG_VERSION_MAJOR=$(cut -d'.' -f1 <<<"$(clang -dumpversion)")
+
 CARLA_ROOT_FOLDER=${CURDIR}
 CARLA_BUILD_FOLDER=${CURDIR}/Build
 CARLA_DIST_FOLDER=${CURDIR}/Dist