diff -r c5a225d7228c -r 597cf869e8bc make/project.xml
--- a/make/project.xml	Thu Oct 02 21:21:45 2025 +0200
+++ b/make/project.xml	Thu Oct 02 21:31:52 2025 +0200
@@ -90,12 +90,12 @@
     </dependency>
 
     <dependency name="memrchr">
-        <test>$TOOLCHAIN_CC -o /dev/null make/test_memrchr.c</test>
+        <test>$TOOLCHAIN_CC $CFLAGS -o /dev/null make/test_memrchr.c</test>
         <cflags>-DWITH_MEMRCHR</cflags>
     </dependency>
 
     <dependency name="memrchr">
-        <test>$TOOLCHAIN_CC -o /dev/null -D_GNU_SOURCE make/test_memrchr.c</test>
+        <test>$TOOLCHAIN_CC $CFLAGS -o /dev/null -D_GNU_SOURCE make/test_memrchr.c</test>
         <cflags>-DWITH_MEMRCHR -DMEMRCHR_NEED_GNU</cflags>
     </dependency>