[SBS] Updated cmake to test build a static library instead of an executable...

[SBS] Updated cmake to test build a static library instead of an executable and build also if build system finds clang++

cmake/sbs.cmake

@@ -19,6 +19,10 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
 
+# We want to test for building of static library and not an executable
+# reference: https://stackoverflow.com/questions/53633705/cmake-the-c-compiler-is-not-able-to-compile-a-simple-test-program
+set(CMAKE_TRY_COMPILE_TARGET_TYPE "STATIC_LIBRARY")
+
 enable_language(C CXX ASM)
 
 # Load in SBS_BASE the project path

sbs

@@ -55,6 +55,7 @@ find_deps() {
     
     command -v cmake               > /dev/null 2>&1 && found_cmake=true
     command -v arm-miosix-eabi-g++ > /dev/null 2>&1 && found_miosixgpp=true
+    command -v clang++             > /dev/null 2>&1 && found_clangpp=true
     command -v ccache              > /dev/null 2>&1 && found_ccache=true
     command -v ninja               > /dev/null 2>&1 && found_ninja=true
     command -v python              > /dev/null 2>&1 && found_python=true
@@ -66,6 +67,7 @@ find_deps() {
     
     printf "Found CMake: ";               [ "$found_cmake" = true ]       && echo "yes" || echo "no"
     printf "Found arm-miosix-eabi-g++: "; [ "$found_miosixgpp" = true ]   && echo "yes" || echo "no"
+    printf "Found clang++: ";             [ "$found_clangpp" = true ]     && echo "yes" || echo "no"
     printf "Found Ccache: ";              [ "$found_ccache" = true ]      && echo "yes" || echo "no"
     printf "Found Ninja: ";               [ "$found_ninja" = true ]       && echo "yes" || echo "no"
     printf "Found Python: ";              [ "$found_python" = true ]      && echo "yes" || echo "no"
@@ -75,8 +77,8 @@ find_deps() {
     printf "Found flasher: ";             [ "$found_stflash" = true ]     && echo "st-flash" \
     || { [ "$found_stlink" = true ] && echo "st-link" || echo "no"; }
     
-    [ "$found_cmake" = true ]     || { echo "Error: CMake must be installed"; return 1; }
-    [ "$found_miosixgpp" = true ] || { echo "Error: arm-miosix-eabi-g++ must be installed"; return 1; }
+    [ "$found_cmake" = true ]   || { echo "Error: CMake must be installed"; return 1; }
+    [ "$found_clangpp" = true ] || { echo "Error: clang++ must be installed"; return 1; }
 }
 
 # Workaround: Disable tests in excluded subdirectories