cmake: fix risc-v build due to missing atomic ops

This can be reverted when we switch to gcc 13 (NixOS#268097)
fgaz · Nov 20, 2023 · 613e5db · 613e5db
1 parent b2ebe62
commit 613e5db
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/pkgs/by-name/cm/cmake/package.nix b/pkgs/by-name/cm/cmake/package.nix
@@ -138,6 +138,8 @@ stdenv.mkDerivation (finalAttrs: {
     "CFLAGS=-D_FILE_OFFSET_BITS=64"
     "CXXFLAGS=-D_FILE_OFFSET_BITS=64"
   ]
+  # Workaround missing atomic ops with gcc <13
+  ++ lib.optional stdenv.hostPlatform.isRiscV "LDFLAGS=-latomic";
   ++ [
     "--"
     # We should set the proper `CMAKE_SYSTEM_NAME`.