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      1 cc_defaults {
      2     name: "libext_defaults",
      3     defaults: ["iptables_defaults"],
      4 
      5     header_libs: ["iptables_config_header"],
      6 
      7     cflags: [
      8         "-DNO_SHARED_LIBS=1",
      9         "-DXTABLES_INTERNAL",
     10 
     11         "-Wno-format",
     12         "-Wno-missing-field-initializers",
     13         // libxt_recent.c:202:11: error: address of array 'info->name' will always evaluate to 'true' [-Werror,-Wpointer-bool-conversion]
     14         "-Wno-pointer-bool-conversion",
     15         "-Wno-tautological-pointer-compare",
     16     ],
     17 }
     18 
     19 // All of the extension source files have the same function name (_init). Since we don't support
     20 // per-file cflags that upstream uses, instead:
     21 //
     22 //  1. Rewrite the source files with filter_init to have per-file function names. (libext*_srcs)
     23 //  2. Create a new source file that defines a function (init_extensions*) with gen_init that calls
     24 //     all of the renamed _init functions (libext*_init)
     25 //
     26 // This all happens three times -- once each for libext, libext4, libext6
     27 
     28 genrule {
     29     name: "libext_init",
     30     cmd: "$(location gen_init) '' $(locations libxt_*.c) > $(out)",
     31     srcs: [
     32         "gen_init",
     33         "libxt_*.c",
     34     ],
     35     out: ["initext.c"],
     36     exclude_srcs: [
     37         // Exclude some modules that are problematic to compile (types/headers)
     38         "libxt_TCPOPTSTRIP.c",
     39         "libxt_connlabel.c",
     40         "libxt_cgroup.c",
     41 
     42         "libxt_dccp.c",
     43         "libxt_ipvs.c",
     44     ],
     45 }
     46 
     47 gensrcs {
     48     name: "libext_srcs",
     49     tool_files: ["filter_init"],
     50     cmd: "$(location filter_init) $(in) > $(out)",
     51     output_extension: "c",
     52     srcs: ["libxt_*.c"],
     53     exclude_srcs: [
     54         // Exclude some modules that are problematic to compile (types/headers)
     55         "libxt_TCPOPTSTRIP.c",
     56         "libxt_connlabel.c",
     57         "libxt_cgroup.c",
     58 
     59         "libxt_dccp.c",
     60         "libxt_ipvs.c",
     61     ],
     62 }
     63 
     64 cc_library_static {
     65     name: "libext",
     66     defaults: ["libext_defaults"],
     67     srcs: [
     68         ":libext_init",
     69         ":libext_srcs",
     70     ],
     71 }
     72 
     73 ////////////////////////////////////////////////////////////////////////////////////////////////////
     74 
     75 genrule {
     76     name: "libext4_init",
     77     cmd: "$(location gen_init) '4' $(locations libipt_*.c) > $(out)",
     78     srcs: [
     79         "gen_init",
     80         "libipt_*.c",
     81     ],
     82     out: ["initext.c"],
     83 }
     84 
     85 gensrcs {
     86     name: "libext4_srcs",
     87     tool_files: ["filter_init"],
     88     cmd: "$(location filter_init) $(in) > $(out)",
     89     output_extension: "c",
     90     srcs: ["libipt_*.c"],
     91 }
     92 
     93 cc_library_static {
     94     name: "libext4",
     95     defaults: ["libext_defaults"],
     96     srcs: [
     97         ":libext4_init",
     98         ":libext4_srcs",
     99     ],
    100 }
    101 
    102 ////////////////////////////////////////////////////////////////////////////////////////////////////
    103 
    104 genrule {
    105     name: "libext6_init",
    106     cmd: "$(location gen_init) '6' $(locations libip6t_*.c) > $(out)",
    107     srcs: [
    108         "gen_init",
    109         "libip6t_*.c",
    110     ],
    111     out: ["initext.c"],
    112 }
    113 
    114 gensrcs {
    115     name: "libext6_srcs",
    116     tool_files: ["filter_init"],
    117     cmd: "$(location filter_init) $(in) > $(out)",
    118     output_extension: "c",
    119     srcs: ["libip6t_*.c"],
    120 }
    121 
    122 cc_library_static {
    123     name: "libext6",
    124     defaults: ["libext_defaults"],
    125     srcs: [
    126         ":libext6_init",
    127         ":libext6_srcs",
    128     ],
    129 }
    130