Force Make into using a single thread

This also restricts fast-vapi's to Ninja. fast-vapi's improve build
performance when multi-threaded, but are bad when single-threaded.

Again emphasize that ninja-build should be used.

1 files changed, 5 insertions, 2 deletions

diff --git a/configure b/configure
index 7ee87ad4..a0dd959e 100755
--- a/configure
+++ b/configure
@@ -34,10 +34,9 @@ if ! [ -x "$exec_bin" ]; then
   make_bin="$(which make 2>/dev/null)"
   if [ -x "$make_bin" ]; then
     echo "-- Found Make: $make_bin"
-    echo "--   Using Ninja (ninja-build) might improve build experience."
     cmake_type="Unix Makefiles"
     exec_bin="$make_bin"
-    exec_command="$exec_bin -j4"
+    exec_command="$exec_bin"
   fi
 fi
 
@@ -95,3 +94,7 @@ default:
 %:
 	@sh -c "cd build; $exec_command \"\$@\""
 EOF
+
+if [[ "$exec_bin" == "$make_bin" ]]; then
+    echo "--   Running with make. Using Ninja (ninja-build) might improve build experience."
+fi
\ No newline at end of file