community/foot: actually set O3

community/foot/APKBUILD

 # Maintainer: Alex McGrath <amk@amk.ie>
 pkgname=foot
 pkgver=1.13.1
-pkgrel=0
+pkgrel=1
 pkgdesc="Fast, lightweight and minimalistic Wayland terminal emulator"
 url="https://codeberg.org/dnkl/foot"
 license="MIT"
@@ -37,7 +37,9 @@ options="!check" # ran during profiling
 builddir="$srcdir/foot"
 
 build() {
-	export CFLAGS="$CFLAGS -O3"	 # -O3 as the package is intended to use it
+	export CFLAGS="$CFLAGS -O3" # -O3 as the package is intended to use it
+	export CXXFLAGS="$CXXFLAGS -O3"
+	export CPPFLAGS="$CPPFLAGS -O3"
 
 	abuild-meson \
 		-Db_pgo=generate \