···

       
2
       
2
       
 
       
  lib,

     

       
3
       
3
       
 
       
  stdenv,

     

       
4
       
4
       
 
       
  buildPackages,

     

       
5
       
5
       
-
       
  runCommand,

     

       
6
       
5
       
 
       
  bc,

     

       
7
       
6
       
 
       
  bison,

     

       
8
       
7
       
 
       
  flex,

     
···

       
33
       
32
       
 
       


     

       
34
       
33
       
 
       
  readConfig =

     

       
35
       
34
       
 
       
    configfile:

     

       
36
       
36
       
-
       
    import

     

       
37
       
37
       
-
       
      (runCommand "config.nix" { } ''

     

       
38
       
38
       
-
       
        echo "{" > "$out"

     

       
39
       
39
       
-
       
        while IFS='=' read key val; do

     

       
40
       
40
       
-
       
          [ "x''${key#CONFIG_}" != "x$key" ] || continue

     

       
41
       
41
       
-
       
          no_firstquote="''${val#\"}";

     

       
42
       
42
       
-
       
          echo '  "'"$key"'" = "'"''${no_firstquote%\"}"'";' >> "$out"

     

       
43
       
43
       
-
       
        done < "${configfile}"

     

       
44
       
44
       
-
       
        echo "}" >> $out

     

       
45
       
45
       
-
       
      '').outPath;

     

       
35
       
35
       
+
       
    lib.listToAttrs (

     

       
36
       
36
       
+
       
      map

     

       
37
       
37
       
+
       
        (

     

       
38
       
38
       
+
       
          line:

     

       
39
       
39
       
+
       
          let

     

       
40
       
40
       
+
       
            match = lib.match "(.*)=\"?(.*)\"?" line;

     

       
41
       
41
       
+
       
          in

     

       
42
       
42
       
+
       
          {

     

       
43
       
43
       
+
       
            name = lib.elemAt match 0;

     

       
44
       
44
       
+
       
            value = lib.elemAt match 1;

     

       
45
       
45
       
+
       
          }

     

       
46
       
46
       
+
       
        )

     

       
47
       
47
       
+
       
        (

     

       
48
       
48
       
+
       
          lib.filter (line: !(lib.hasPrefix "#" line || line == "")) (

     

       
49
       
49
       
+
       
            lib.splitString "\n" (builtins.readFile configfile)

     

       
50
       
50
       
+
       
          )

     

       
51
       
51
       
+
       
        )

     

       
52
       
52
       
+
       
    );

     

       
46
       
53
       
 
       
in

     

       
47
       
54
       
 
       
lib.makeOverridable (

     

       
48
       
55
       
 
       
  {

     
···

       
65
       
72
       
 
       
    configfile,

     

       
66
       
73
       
 
       
    # Manually specified nixexpr representing the config

     

       
67
       
74
       
 
       
    # If unspecified, this will be autodetected from the .config

     

       
68
       
68
       
-
       
    config ? lib.optionalAttrs allowImportFromDerivation (readConfig configfile),

     

       
75
       
75
       
+
       
    config ? lib.optionalAttrs (builtins.isPath configfile || allowImportFromDerivation) (

     

       
76
       
76
       
+
       
      readConfig configfile

     

       
77
       
77
       
+
       
    ),

     

       
69
       
78
       
 
       
    # Custom seed used for CONFIG_GCC_PLUGIN_RANDSTRUCT if enabled. This is

     

       
70
       
79
       
 
       
    # automatically extended with extra per-version and per-config values.

     

       
71
       
80
       
 
       
    randstructSeed ? "",