2 files changed, 5 insertions(+), 3 deletions(-)

M shell.nix
M tmk_core/avr.mk

@@ 45,6 45,6 @@ stdenv.mkDerivation {
     ++ lib.optional arm [ gcc-arm-embedded ]
     ++ lib.optional teensy [ teensy-loader-cli ];
 
-  CFLAGS = lib.optional avr avr_incflags;
-  ASFLAGS = lib.optional avr avr_incflags;
+  AVR_CFLAGS = lib.optional avr avr_incflags;
+  AVR_ASFLAGS = lib.optional avr avr_incflags;
 }

@@ 21,7 21,9 @@ COMPILEFLAGS += -fdata-sections
 COMPILEFLAGS += -fpack-struct
 COMPILEFLAGS += -fshort-enums
 
-CFLAGS += $(COMPILEFLAGS)
+ASFLAGS += $(AVR_ASFLAGS)
+
+CFLAGS += $(COMPILEFLAGS) $(AVR_CFLAGS)
 CFLAGS += -fno-inline-small-functions
 CFLAGS += -fno-strict-aliasing