dst="$2"
target="$3"
options="$4"
+CC="$5"
+CXX="$6"
-[ -d "$dst" ] || meson "$src" "$dst" $options
-ninja -C "$dst" "$target"
+[ -f "$dst/ninja.build" ] || CC="$CC" CXX="$CXX" meson "$src" "$dst" $options
+
+# Locate ninja binary, on CentOS 7 it is called ninja-build, so
+# use that name if available.
+ninja=ninja
+if which ninja-build >/dev/null 2>&1 ; then
+ ninja=ninja-build
+fi
+
+"$ninja" -C "$dst" "$target"