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Diffstat (limited to 'nixpkgs/pkgs/development/compilers/gcc/common/platform-flags.nix')
-rw-r--r--nixpkgs/pkgs/development/compilers/gcc/common/platform-flags.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/nixpkgs/pkgs/development/compilers/gcc/common/platform-flags.nix b/nixpkgs/pkgs/development/compilers/gcc/common/platform-flags.nix
index ba6d5912fe88..f3cdce411939 100644
--- a/nixpkgs/pkgs/development/compilers/gcc/common/platform-flags.nix
+++ b/nixpkgs/pkgs/development/compilers/gcc/common/platform-flags.nix
@@ -4,7 +4,7 @@ let
   p =  targetPlatform.platform.gcc or {}
     // targetPlatform.parsed.abi;
 in lib.concatLists [
-  (lib.optional (p ? arch) "--with-arch=${p.arch}")
+  (lib.optional (!targetPlatform.isx86_64 && p ? arch) "--with-arch=${p.arch}") # --with-arch= is unknown flag on x86_64
   (lib.optional (p ? cpu) "--with-cpu=${p.cpu}")
   (lib.optional (p ? abi) "--with-abi=${p.abi}")
   (lib.optional (p ? fpu) "--with-fpu=${p.fpu}")