SCons: Use Variables for command line option and help output
Also add options to configure the compilers for C and C++ (no C code yet but C libraries may be added in the future, and we wouldn't to mix e.g. gcc for C and clang++ for C++).
This commit is contained in:
Rémi Verschelde
80
SConstruct
80
SConstruct
@@ -3,33 +3,49 @@ import os.path as path
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import os
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import subprocess
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platform = ARGUMENTS.get('OS', Platform())
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toolset = ARGUMENTS.get('toolset', 'default')
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sixty_four = ARGUMENTS.get('64bit', False)
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arch = 'x86_64' if sixty_four else 'x86'
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# Build options
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opts = Variables(None, ARGUMENTS)
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if str(platform) not in ("darwin", "win32", "posix"):
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opts.Add(EnumVariable('OS', "Target platform", str(Platform()), ('darwin', 'win32', 'posix')))
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opts.Add('toolset', "Toolset to pass to the SCons builder", 'default')
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opts.Add(BoolVariable('debug', "Build with debug symbols", False))
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opts.Add(EnumVariable('bits', "Build for 32-bit or 64-bit architectures", '32', ('32', '64')))
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# Compiler configuration
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opts.Add("CXX", "C++ compiler")
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opts.Add("CC", "C compiler")
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opts.Add("LINK", "Linker")
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opts.Add("CCFLAGS", "Custom flags for both the C and C++ compilers")
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opts.Add("CXXFLAGS", "Custom flags for the C++ compiler")
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opts.Add("CFLAGS", "Custom flags for the C compiler")
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opts.Add("LINKFLAGS", "Custom flags for the linker")
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# Initialize environment with options and full user environment
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env = Environment(variables=opts, ENV=os.environ)
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Help(opts.GenerateHelpText(env))
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platform = env['OS']
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toolset = env['toolset']
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arch = 'x86_64' if (env['bits'] == '64') else 'x86'
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# Update env based on options
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env.Replace(TARGET_ARCH=arch)
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env.Replace(tools=[toolset])
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# Check for platform support
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if platform not in ("darwin", "win32", "posix"):
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print "Sorry, your platform is not supported."
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print "Platform is:", platform
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print "Specify OS=<your-platform> if you believe this is incorrect."
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print "(Supported platforms are: darwin, win32, posix)"
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Exit(1)
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print 'Building for:', platform
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print 'Using toolchain:', toolset
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if toolset != 'default':
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env = Environment(TARGET_ARCH=arch,ENV=os.environ, tools = [toolset])
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else:
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env = Environment(TARGET_ARCH=arch,ENV=os.environ)
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env.VariantDir('#build/obj', 'src')
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env.VariantDir('#build/obj/test', 'test')
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# Allow arbitrary flags
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env.Append(CXXFLAGS=os.environ.get('CXXFLAGS', ''))
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debug = ARGUMENTS.get('debug', 0)
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if int(debug):
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if env['debug']:
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env.Append(CCFLAGS = '-g')
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# This command generates the header with git revision information
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@@ -57,7 +73,7 @@ else:
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echo -e "\n#define GIT_REVISION \"\"\n#define GIT_TAG \"\"\n#define GIT_TAG_REVISION \"\"\n" > #TARGET
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""")
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if str(platform) == "posix":
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if platform == "posix":
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env.Append(CXXFLAGS="-std=c++11 -stdlib=libstdc++")
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env["CC"] = 'clang'
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env["CXX"] = 'clang++'
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@@ -66,7 +82,7 @@ if str(platform) == "posix":
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"""), CPPPATH=Split("""
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/usr/include
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"""))
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if str(platform) == "darwin":
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if platform == "darwin":
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env.Append(CXXFLAGS="-std=c++11 -stdlib=libc++ -include global.hpp", RPATH='../Frameworks')
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env["CC"] = 'clang'
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env["CXX"] = 'clang++'
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@@ -147,7 +163,7 @@ if str(platform) == "darwin":
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Execute(Copy(dest_path, src_path))
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bundle_libraries_for(target, [File(check_path)], env)
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break
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elif str(platform) == "win32":
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elif platform == "win32":
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if 'msvc' in env['TOOLS']:
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env.Append(
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LINKFLAGS='/SUBSYSTEM:WINDOWS /ENTRY:mainCRTStartup /MACHINE:X86',
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@@ -172,7 +188,7 @@ elif str(platform) == "win32":
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env.Append(CXXFLAGS="-include global.hpp")
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def build_app_package(env, source, build_dir, info):
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env.Install(build_dir, source)
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elif str(platform) == "posix":
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elif platform == "posix":
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env.Append(CXXFLAGS="-include global.hpp")
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def build_app_package(env, source, build_dir, info):
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env.Install(build_dir, source)
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@@ -184,7 +200,7 @@ env.Append(
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LIBPATH = ARGUMENTS.get('LIBPATH', '').split(path.pathsep),
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CPPPATH = ARGUMENTS.get('INCLUDEPATH', '').split(path.pathsep)
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)
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if str(platform) == 'darwin':
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if platform == 'darwin':
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env.Append(FRAMEWORKPATH=ARGUMENTS.get('FRAMEWORKPATH', '').split(path.pathsep))
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# If any package managers are installed, add their dirs too.
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if subprocess.call(['which', '-s', 'port']) == 0: # MacPorts
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@@ -211,7 +227,7 @@ if str(platform) == 'darwin':
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# We try to auto-detect this.
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if path.exists('deps/lib'):
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env.Append(LIBPATH='deps/lib')
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if str(platform) == 'darwin':
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if platform == 'darwin':
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env.Append(FRAMEWORKPATH='deps/lib')
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if path.exists('deps/include'):
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@@ -243,17 +259,17 @@ if not env.GetOption('clean'):
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print "There's a problem with your compiler!"
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Exit(1)
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if not conf.CheckLib('zlib' if (str(platform) == "win32" and 'mingw' not in env["TOOLS"]) else 'z'):
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if not conf.CheckLib('zlib' if (platform == "win32" and 'mingw' not in env["TOOLS"]) else 'z'):
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print 'zlib must be installed!'
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Exit(1)
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def check_lib(lib, disp, suffixes=[], versions=[]):
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if str(platform) == "win32" and lib.startswith("boost"):
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if platform == "win32" and lib.startswith("boost"):
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lib = "lib" + lib
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if "mingw" in env["TOOLS"] and lib.startswith("sfml"):
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lib = "lib" + lib
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possible_names = [lib]
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if str(platform) == "win32":
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if platform == "win32":
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if 'msvc' in env['TOOLS']:
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vc_suffix = '-vc' + env['MSVC_VERSION'].replace('.','')
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possible_names.append(lib + vc_suffix)
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@@ -300,11 +316,11 @@ if not env.GetOption('clean'):
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env.Append(CPPDEFINES="TIXML_USE_TICPP")
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if str(platform) == "win32":
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if platform == "win32":
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# For the *resource.h headers
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env.Append(CPPPATH="#rsrc/menus")
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if str(platform) == "darwin":
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if platform == "darwin":
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env.Append(LIBS=Split("""
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objc
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c++
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@@ -313,11 +329,11 @@ if str(platform) == "darwin":
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OpenGL
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Cocoa
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"""))
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elif str(platform) == "win32":
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elif platform == "win32":
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env.Append(LIBS=Split("""
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opengl32
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"""))
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elif str(platform) == "posix":
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elif platform == "posix":
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env.Append(LIBS=Split("""
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GL
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X11
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@@ -356,7 +372,7 @@ SConscript(["rsrc/SConscript", "doc/SConscript"])
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# Bundle required frameworks and libraries
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if str(platform) == "darwin":
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if platform == "darwin":
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targets = [
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"Blades of Exile",
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"BoE Character Editor",
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@@ -366,7 +382,7 @@ if str(platform) == "darwin":
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target_dir = path.join(install_dir, targ + '.app', 'Contents/Frameworks')
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binary = path.join(install_dir, targ + '.app', 'Contents/MacOS', targ)
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env.Command(Dir(target_dir), binary, [Delete(target_dir), bundle_libraries_for])
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elif str(platform) == "win32":
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elif platform == "win32":
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bundled_libs = Split("""
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libsndfile-1
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openal32
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@@ -402,10 +418,10 @@ elif str(platform) == "win32":
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# (Because the installer is an optional component.)
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open("build/Blades of Exile/VCRedistInstall.exe", 'w').close()
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if str(platform) == "darwin":
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if platform == "darwin":
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env.VariantDir("#build/pkg", "pkg/mac")
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SConscript("build/pkg/SConscript")
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elif str(platform) == "win32" and subprocess.call(['where', '/Q', 'makensis']) == 0:
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elif platform == "win32" and subprocess.call(['where', '/Q', 'makensis']) == 0:
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env.VariantDir("#build/pkg", "pkg/win")
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SConscript("build/pkg/SConscript")
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