bazel and swig

gistfile1.txt

$ cat WORKSPACE
load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")

http_archive(
    name = "io_tweag_rules_nixpkgs",
    urls = ["https://github.com/tweag/rules_nixpkgs/archive/v0.5.2.tar.gz"],
    strip_prefix = "rules_nixpkgs-0.5.2",
    sha256 = "5a384daa57b49abf9f0b672852f1a66a3c52aecf9d4d2ac64f6de0fd307690c8",
)

load("@io_tweag_rules_nixpkgs//nixpkgs:nixpkgs.bzl", "nixpkgs_git_repository", "nixpkgs_package", "nixpkgs_cc_configure")

nixpkgs_git_repository(
    name = "nixpkgs",
    revision = "7b8a7cee78468919b98cc4c8694d84165f28ef68", # Any tag or commit hash
    sha256 = "" # optional sha to verify package integrity!
)

PACKAGES = ["gcc", "bazelisk", "swig"]

[nixpkgs_package(
    name = package,
    repositories = { "nixpkgs": "@nixpkgs//:default.nix" },
) for package in PACKAGES]

nixpkgs_cc_configure(
    nix_file = "//nixpkgs:cc-toolchain.nix",
    repository = "@nixpkgs",
)
08:59:54 {master} ~/code/bazel-nix-demo
$ bazel query @swig//...:*
@swig//:lib
@swig//:include
@swig//:bin
@swig//:bin/swig
@swig//:bin/ccache-swig
@swig//:BUILD
Loading: 0 packages loaded
08:59:57 {master} ~/code/bazel-nix-demo
$ bazel run @swig//:bin/swig -- -help
INFO: Analyzed target @swig//:bin/swig (0 packages loaded, 0 targets configured).
INFO: Found 1 target...
INFO: Elapsed time: 0.095s, Critical Path: 0.00s
INFO: 0 processes.
INFO: Build completed successfully, 1 total action
INFO: Build completed successfully, 1 total action
Target Language Options
     -allegrocl      - Generate ALLEGROCL wrappers
     -chicken        - Generate CHICKEN wrappers
     -clisp          - Generate CLISP wrappers
     -cffi           - Generate CFFI wrappers
     -csharp         - Generate C# wrappers
     -d              - Generate D wrappers
     -go             - Generate Go wrappers
     -guile          - Generate Guile wrappers
     -java           - Generate Java wrappers
     -javascript     - Generate Javascript wrappers
     -lua            - Generate Lua wrappers
     -modula3        - Generate Modula 3 wrappers
     -mzscheme       - Generate Mzscheme wrappers
     -ocaml          - Generate Ocaml wrappers
     -octave         - Generate Octave wrappers
     -perl           - Generate Perl wrappers
     -php5           - Generate PHP5 wrappers
     -php7           - Generate PHP7 wrappers
     -pike           - Generate Pike wrappers
     -python         - Generate Python wrappers
     -r              - Generate R (aka GNU S) wrappers
     -ruby           - Generate Ruby wrappers
     -scilab         - Generate Scilab wrappers
     -sexp           - Generate Lisp S-Expressions wrappers
     -tcl            - Generate Tcl wrappers
     -uffi           - Generate Common Lisp / UFFI wrappers
     -xml            - Generate XML wrappers

General Options
     -addextern      - Add extra extern declarations
     -c++            - Enable C++ processing
     -co <file>      - Check <file> out of the SWIG library
     -copyctor       - Automatically generate copy constructors wherever possible
     -cpperraswarn   - Treat the preprocessor #error statement as #warning (default)
     -cppext <ext>   - Change file extension of generated C++ files to <ext>
                       (default is cxx, except for PHP5 which uses cpp)
     -copyright      - Display copyright notices
     -debug-classes  - Display information about the classes found in the interface
     -debug-module <n>- Display module parse tree at stages 1-4, <n> is a csv list of stages
     -debug-symtabs  - Display symbol tables information
     -debug-symbols  - Display target language symbols in the symbol tables
     -debug-csymbols - Display C symbols in the symbol tables
     -debug-lsymbols - Display target language layer symbols
     -debug-tags     - Display information about the tags found in the interface
     -debug-template - Display information for debugging templates
     -debug-top <n>  - Display entire parse tree at stages 1-4, <n> is a csv list of stages
     -debug-typedef  - Display information about the types and typedefs in the interface
     -debug-typemap  - Display typemap debugging information
     -debug-tmsearch - Display typemap search debugging information
     -debug-tmused   - Display typemaps used debugging information
     -directors      - Turn on director mode for all the classes, mainly for testing
     -dirprot        - Turn on wrapping of protected members for director classes (default)
     -D<symbol>      - Define a symbol <symbol> (for conditional compilation)
     -E              - Preprocess only, does not generate wrapper code
     -external-runtime [file] - Export the SWIG runtime stack
     -fakeversion <v>- Make SWIG fake the program version number to <v>
     -fcompact       - Compile in compact mode
     -features <list>- Set global features, where <list> is a comma separated list of
                       features, eg -features directors,autodoc=1
                       If no explicit value is given to the feature, a default of 1 is used
     -fastdispatch   - Enable fast dispatch mode to produce faster overload dispatcher code
     -Fmicrosoft     - Display error/warning messages in Microsoft format
     -Fstandard      - Display error/warning messages in commonly used format
     -fvirtual       - Compile in virtual elimination mode
     -help           - This output
     -I-             - Don't search the current directory
     -I<dir>         - Look for SWIG files in directory <dir>
     -ignoremissing  - Ignore missing include files
     -importall      - Follow all #include statements as imports
     -includeall     - Follow all #include statements
     -l<ifile>       - Include SWIG library file <ifile>
     -macroerrors    - Report errors inside macros
     -makedefault    - Create default constructors/destructors (the default)
     -M              - List all dependencies
     -MD             - Is equivalent to `-M -MF <file>', except `-E' is not implied
     -MF <file>      - Generate dependencies into <file> and continue generating wrappers
     -MM             - List dependencies, but omit files in SWIG library
     -MMD            - Like `-MD', but omit files in SWIG library
     -module <name>  - Set module name to <name>
     -MP             - Generate phony targets for all dependencies
     -MT <target>    - Set the target of the rule emitted by dependency generation
     -nocontract     - Turn off contract checking
     -nocpperraswarn - Do not treat the preprocessor #error statement as #warning
     -nodefault      - Do not generate default constructors nor default destructors
     -nodefaultctor  - Do not generate implicit default constructors
     -nodefaultdtor  - Do not generate implicit default destructors
     -nodirprot      - Do not wrap director protected members
     -noexcept       - Do not wrap exception specifiers
     -nofastdispatch - Disable fast dispatch mode (default)
     -nopreprocess   - Skip the preprocessor step
     -notemplatereduce - Disable reduction of the typedefs in templates
     -O              - Enable the optimization options:
                        -fastdispatch -fvirtual
     -o <outfile>    - Set name of C/C++ output file to <outfile>
     -oh <headfile>  - Set name of C++ output header file for directors to <headfile>
     -outcurrentdir  - Set default output dir to current dir instead of input file's path
     -outdir <dir>   - Set language specific files output directory to <dir>
     -pcreversion    - Display PCRE version information
     -small          - Compile in virtual elimination & compact mode
     -swiglib        - Report location of SWIG library and exit
     -templatereduce - Reduce all the typedefs in templates
     -v              - Run in verbose mode
     -version        - Display SWIG version number
     -Wall           - Remove all warning suppression, also implies -Wextra
     -Wallkw         - Enable keyword warnings for all the supported languages
     -Werror         - Treat warnings as errors
     -Wextra         - Adds the following additional warnings: 202,309,403,512,321,322
     -w<list>        - Suppress/add warning messages, eg -w401,+321 - see Warnings.html
     -xmlout <file>  - Write XML version of the parse tree to <file> after normal processing

Options can also be defined using the SWIG_FEATURES environment variable, for example:

  $ SWIG_FEATURES="-Wall"
  $ export SWIG_FEATURES
  $ swig -python interface.i

is equivalent to:

  $ swig -Wall -python interface.i


Tcl 8 Options (available with -tcl)
     -itcl           - Enable ITcl support
     -nosafe         - Leave out SafeInit module function.
     -prefix <name>  - Set a prefix <name> to be prepended to all names
     -namespace      - Build module into a Tcl 8 namespace
     -pkgversion     - Set package version


Note: 'swig -<lang> -help' displays options for a specific target language.