magic-vlsi: fix build with modern compilers (#478703)

2026-01-10 15:00:10 +00:00
parent 6572f8afca 13e3a337de
commit 623e2b7b5a
1 changed files with 2 additions and 1 deletions
@@ -87,7 +87,8 @@ stdenv.mkDerivation rec {
    install_name_tool -add_rpath ${mesa_glu.out}/lib $out/lib/magic/tcl/magicexec
  '';

-  env.NIX_CFLAGS_COMPILE = "-Wno-implicit-function-declaration";
+  # gnu89 is needed for GCC 15 that is more strict about K&R style prototypes
+  env.NIX_CFLAGS_COMPILE = "-std=gnu89 -Wno-implicit-function-declaration";
  env.NIX_LDFLAGS = lib.optionalString stdenv.hostPlatform.isDarwin "-headerpad_max_install_names";

  meta = {