3 files changed, 7 insertions, 1 deletions
diff --git a/pkgs/development/misc/avr/libc/default.nix b/pkgs/development/misc/avr/libc/default.nix
index afe30e4b5eef..ab9a696afb00 100644
--- a/pkgs/development/misc/avr/libc/default.nix
+++ b/pkgs/development/misc/avr/libc/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation {
     description = "a C runtime library for AVR microcontrollers";
     homepage = http://savannah.nongnu.org/projects/avr-libc/;
     license = licenses.bsd3;
-    platforms = platforms.all;
+    platforms = [ "avr-none" ];
     maintainers = with maintainers; [ mguentner ];
   };
 }
diff --git a/pkgs/development/misc/stm32/betaflight/default.nix b/pkgs/development/misc/stm32/betaflight/default.nix
index 21230464e747..fbe48803f2db 100644
--- a/pkgs/development/misc/stm32/betaflight/default.nix
+++ b/pkgs/development/misc/stm32/betaflight/default.nix
@@ -32,6 +32,9 @@ in stdenv.mkDerivation rec {
   postPatch = ''
     sed -ri "s/REVISION.*=.*git log.*/REVISION = ${builtins.substring 0 10 src.rev}/" Makefile # Simulate abbrev'd rev.
     sed -ri "s/binary hex/hex/" Makefile # No need for anything besides .hex
+
+    substitutateInPlace Makefile \
+      --replace "--specs=nano.specs" ""
   '';
 
   enableParallelBuilding = true;
diff --git a/pkgs/development/misc/stm32/inav/default.nix b/pkgs/development/misc/stm32/inav/default.nix
index 9c35ac2ffce1..102b1eb8048d 100644
--- a/pkgs/development/misc/stm32/inav/default.nix
+++ b/pkgs/development/misc/stm32/inav/default.nix
@@ -26,6 +26,9 @@ in stdenv.mkDerivation rec {
     sed -ri "s/REVISION.*=.*shell git.*/REVISION = ${builtins.substring 0 10 src.rev}/" Makefile # Simulate abbrev'd rev.
     sed -ri "s/-j *[0-9]+//" Makefile # Eliminate parallel build args in submakes
     sed -ri "s/binary hex/hex/" Makefile # No need for anything besides .hex
+
+    substitutateInPlace Makefile \
+      --replace "--specs=nano.specs" ""
   '';
 
   enableParallelBuilding = true;