better explain -O3 in compilation units test

[xonotic/xonotic-data.pk3dir.git] / qcsrc / tools / compilationunits.sh

diff --git a/qcsrc/tools/compilationunits.sh b/qcsrc/tools/compilationunits.sh
index e835fa67135e5145c0c8bd97ace8512c05492b4f..7a7ff17b6d554cbe6451ae2dda773ec81b017088 100755 (executable)
--- a/qcsrc/tools/compilationunits.sh
+++ b/qcsrc/tools/compilationunits.sh
@@ -38,6 +38,11 @@ QCCDEFS="${QCCDEFS[@]}"
 
 declare -a QCCFLAGS=(
     -std=gmqcc
+    # Without -O3, GMQCC thinks some variables are used uninitialized if the initialization is done inside an `if (1)` block
+    # (which is created by e.g. BEGIN_MACRO) which would cause the compilation units test to fail.
+    # There doesn't appear to be any measurable increase in compile time
+    # and it allows us to get rid of some explicit initializations which are just useless noise.
+    -O3
     -Wall -Werror
     -futf8
     -freturn-assignments
@@ -74,6 +79,12 @@ function check() {
     done
 }
 
-check client
-check server
-check menu
+if [ ${#@} -eq 0 ]; then
+    check client
+    check server
+    check menu
+else
+    for var in ${@}; do
+        check ${var}
+    done
+fi