jam: set std=c89

jam relies on c89 conventions; this restores the ability to build on recent Darwin.
2023-12-26 18:32:46 -08:00
parent cfc3698c31
commit 40a19c1d47
1 changed files with 3 additions and 0 deletions
@@ -7,6 +7,9 @@ let
    depsBuildBuild = [ buildPackages.stdenv.cc ];
    nativeBuildInputs = [ bison ];

+    # Jam uses c89 conventions
+    env.NIX_CFLAGS_COMPILE = lib.optionalString stdenv.cc.isClang "-std=c89";
+
    # Jambase expects ar to have flags.
    preConfigure = ''
      export AR="$AR rc"