diff --git a/build-scripts/at-spi2-atk.build b/build-scripts/at-spi2-atk.build
index 4c72132..035d10f 100644
--- a/build-scripts/at-spi2-atk.build
+++ b/build-scripts/at-spi2-atk.build
@@ -11,6 +11,12 @@
 # Recommended:  NONE
 # Optional:     NONE
 
+# if optimizing with GCC:
+export  CFLAGS="-march=native -pipe "
+export CFLAGS+="-O3 -Os -fdata-sections -ffat-lto-objects "
+export CFLAGS+="-ffunction-sections -flto=4 -fno-semantic-interposition "
+export LDFLAGS="-flto=4 -Wl,-O2 -Wl,--as-needed "
+
 mkdir build &&
 cd build &&