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excons: EXtension for sCONS

Basic SConstruct structure when using excons

# import excons module
import excons
# import other common modules
import glob

# create base build environment
env = excons.MakeBaseEnv()

targets = [
  {"name": "test",
   "type": "program",
   "srcs": glob.glob("src/*.cpp")
  }
]

excons.DeclareTargets(env, targets)

Target dictionary keys

  • name: The name of the binary to compile. (required)
  • alias: Target alias to use instead of the true name on the build command line.
  • prefix: Output directory prefix.
  • bldprefix: Build directory prefix.
  • type: Output type. One of 'staticlib', 'sharedlib', 'dynamicmodule', 'program' or 'testprograms'. (required)
  • defs: List of compiler defines.
  • incdirs: List of header files directories.
  • libdirs: List of library files directories.
  • srcs: List of source files to compile. (required)
  • deps: List of target dependencies.
  • cppflags: Preprocessor flags.
  • ccflags: Compiler C/C++ flags.
  • cxxflags: Compiler C++ flags.
  • linkflags: Linker flags.
  • libs: List of libraries to link (static or shared).
  • staticlibs: List of static libraries to link.
  • rpaths: Default library lookup path. (osx/linux)
  • symvis: Symbols visibility ('default' or 'hidden'). (osx/linux)
  • custom: List of functions to customize build environment. Such function should take as single argument the current environment object.
  • post: List of function to run as post-build steps. (SCons Post Action format)
  • install: Install additional files.
  ...
  "install": {"scripts": glob.glob("scripts/*.py")},
  ...

Type specific keys

  1. program/testprograms
  • console: Show/hide windows prompt when running resulting program. (windows)
  • stacksize: Setup stack size in bytes.
  1. dynamicmodule
  • ext: Dynamic module extension. (dynamicmodule)
  1. sharedlib
  • no_import_lib: Don't generate an import library. (windows)
  • win_separate_dll_and_lib: Output binary in 'bin' subfolder and import library in 'lib' subfolder rather than everything in 'lib'. (windows)
  • version: Shared library version. (osx/linux)
  • install_name: Library name as seen from dependents. (osx, sharedlib)
  • soname: Library name as seen from dependents. (linux, sharedlib)

Command line flags

libdir-arch=none|subdir|suffix : Modify behaviour of the library folder name use by default for 'with-=' flag [none] When set to 'subdir', use '/lib/x86' or '/lib/x64' When set to 'suffix', use '/lib' or '/lib64'

  • no-cache: Disable excons command line flag caching.
scons no-cache=1 ...
  • show-cmds: Show compiler commands.
scons show-cmds=1 ...
  • stack-size: Set default stack size in bytes ('k' and 'm' can be used for kilo and mega bytes)
scons stacksize=4m ...
  • strip: Strip dead code by default. (linux/osx only)
scons strip=1 ...
  • libdir-arch: Setup default library subdirectory used in dependency requirements (with-xxx=)
scons libdir-arch=none ...   => '/lib')
scons libdir-arch=subdir ... => '/lib/x86' or '/lib/x64'
scons libdir-arch=suffix ... => '/lib' or '/lib64'
  • mscver: Microsoft windows compiler version (windows only)
scons mscver=9.0 ...
  • no-console: Build programs for windows subsystem by default. (windows only)
scons no-console=1 ...
  • warnings: One if 'none', 'std' or 'all'. Defaults to 'all'.
scons warnings=std ...
  • warnings-as-errors: Treat warnings as errors. Defaults to 0.
scons warnings-as-errors=1 ...
  • debug: Debug build. Defaults to 0.
scons debug=1 ...
  • with-debug-info: Include debug information in release buikd. Defaults to 0.
scons debug=0 with-debug-info=1 ...
  • use-c++11: Use C++11 if compiler supports it. Defaults to 0. (linux/osx only)
scons use-c++11=1 ...
  • use-stdc++: Use standard C++ library rather than libc++. Defaults to 0. (linux/osx only)
scons use-stdc++=1 ...

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extension module for SCons

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