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Helpers.lua
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Helpers.lua
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-- This module checks for the all the project dependencies.
newoption {
trigger = "arch",
description = "Choose a particular architecture / bitness",
allowed = {
{ "x86", "x86 32-bits" },
{ "x64", "x64 64-bits" },
}
}
newoption {
trigger = "no-cxx11-abi",
description = "disable cxx11 abi on gcc 4.9+"
}
explicit_target_architecture = _OPTIONS["arch"]
function is_64_bits_mono_runtime()
result, errorcode = os.outputof("mono --version")
local arch = string.match(result, "Architecture:%s*([%w]+)")
return arch == "amd64"
end
function target_architecture()
-- Default to 32-bit on Windows and Mono architecture otherwise.
if explicit_target_architecture ~= nil then
return explicit_target_architecture
end
if os.ishost("windows") then return "x86" end
return is_64_bits_mono_runtime() and "x64" or "x86"
end
if not _OPTIONS["arch"] then
_OPTIONS["arch"] = target_architecture()
end
action = _ACTION or ""
basedir = path.getdirectory(_PREMAKE_COMMAND)
depsdir = path.getabsolute("../deps");
srcdir = path.getabsolute("../src");
incdir = path.getabsolute("../include");
bindir = path.getabsolute("../bin");
examplesdir = path.getabsolute("../examples");
testsdir = path.getabsolute("../tests");
builddir = path.getabsolute("./" .. action);
if _ARGS[1] then
builddir = path.getabsolute("./" .. _ARGS[1]);
end
objsdir = path.join(builddir, "obj", "%{cfg.buildcfg}_%{cfg.platform}");
libdir = path.join(builddir, "lib", "%{cfg.buildcfg}_%{cfg.platform}");
gendir = path.join(builddir, "gen");
msvc_buildflags = { "/wd4267" }
msvc_cpp_defines = { }
generate_build_config = true
function string.starts(str, start)
return string.sub(str, 1, string.len(start)) == start
end
function SafePath(path)
return "\"" .. path .. "\""
end
function SetupNativeProject()
location ("%{wks.location}/projects")
filter { "configurations:Debug" }
defines { "DEBUG" }
filter { "configurations:Release" }
defines { "NDEBUG" }
optimize "On"
-- Compiler-specific options
filter { "action:vs*" }
buildoptions { msvc_buildflags }
defines { msvc_cpp_defines }
filter { "system:linux" }
buildoptions { gcc_buildflags }
links { "stdc++" }
filter { "system:macosx", "language:C++" }
buildoptions { gcc_buildflags, "-stdlib=libc++" }
links { "c++" }
filter { "system:not windows", "language:C++" }
buildoptions { "-fpermissive -std=c++11" }
-- OS-specific options
filter { "system:windows" }
defines { "WIN32", "_WINDOWS" }
filter {}
if os.istarget("linux") then
if not UseCxx11ABI() then
defines { "_GLIBCXX_USE_CXX11_ABI=0" }
end
end
end
function SetupManagedProject()
language "C#"
location ("%{wks.location}/projects")
buildoptions {"/platform:".._OPTIONS["arch"]}
dotnetframework "4.6"
if not os.istarget("macosx") then
filter { "action:vs*" }
location "."
filter {}
end
filter { "action:vs2013" }
dotnetframework "4.5"
filter { "action:vs2012" }
dotnetframework "4.5"
filter {}
end
function IncludeDir(dir)
local deps = os.matchdirs(dir .. "/*")
for i,dep in ipairs(deps) do
local fp = path.join(dep, "premake5.lua")
fp = path.join(os.getcwd(), fp)
if os.isfile(fp) then
include(dep)
return
end
fp = path.join(dep, "premake4.lua")
fp = path.join(os.getcwd(), fp)
if os.isfile(fp) then
--print(string.format(" including %s", dep))
include(dep)
end
end
end
function StaticLinksOpt(libnames)
local path = table.concat(cc.configset.libdirs, ";")
local formats
if os.is("windows") then
formats = { "%s.lib" }
else
formats = { "lib%s.a" }
end
table.insert(formats, "%s");
local existing_libnames = {}
for _, libname in ipairs(libnames) do
for _, fmt in ipairs(formats) do
local name = string.format(fmt, libname)
if os.pathsearch(name, path) then
table.insert(existing_libnames, libname)
end
end
end
links(existing_libnames)
end
function GccVersion()
local compiler = os.getenv("CXX")
if compiler == nil then
compiler = "gcc"
end
local out = os.outputof(compiler.." -v")
local version = string.match(out, "gcc version [0-9\\.]+")
return string.sub(version, 13)
end
function UseCxx11ABI()
if os.istarget("linux") and GccVersion() >= '4.9.0' and _OPTIONS["no-cxx11-abi"] == nil then
return true
end
return false
end