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--
-- Redefine output function to put everything in build/
--
function BuildOutput(mode)
local basepath = mode and ("build/" .. mode) or "build"
return function (settings, fname)
if fname:sub(1, 4) == "src/" or fname:sub(1, 4) == "res/" then
fname = fname:sub(5)
end
local out = PathJoin(basepath, PathBase(fname) .. settings.config_ext)
return out
end
end
--
-- Define custom settings
--
local host_settings = NewSettings()
local common_settings = NewSettings()
if os.getenv('CC') and string.match(os.getenv('CC'), '.*analyzer$') then
print("Detected clang-analyzer")
SetDriversGCC(host_settings)
host_settings.cc.exe_c = 'CCC_CC=gcc ' .. os.getenv('CC')
host_settings.cc.exe_cxx = 'CCC_CXX=g++ ' .. os.getenv('CXX')
SetDriversGCC(common_settings)
common_settings.cc.flags:Add('-U__linux__')
common_settings.cc.exe_c = 'CCC_CC=i586-elf-gcc ' .. os.getenv('CC')
common_settings.cc.exe_cxx = 'CCC_CXX=i586-elf-g++ ' .. os.getenv('CXX')
common_settings.link.exe = 'CCC_CC=i586-elf-gcc ' .. os.getenv('CC')
else
common_settings.cc.exe_c = "i586-elf-gcc"
common_settings.cc.exe_cxx = "i586-elf-g++"
common_settings.link.exe = "i586-elf-gcc"
end
host_settings.cc.Output = BuildOutput(nil)
host_settings.cc.extension = ".host.o"
host_settings.cc.includes:Add("src/lib/include/proto",
"src/common/include")
host_settings.link.extension = ".bin"
common_settings.compile.mappings['s'] = function(settings, input)
local output = settings.cc.Output(settings, input) .. settings.cc.extension
AddJob(output, "nasm " .. input,
"nasm -felf -g -o " .. output .. " " .. input)
AddDependency(output, input)
return output
end
common_settings.cc.Output = BuildOutput(nil)
common_settings.cc.includes:Add("src/common/include", ".")
common_settings.cc.flags:Add("-m32",
"-ffreestanding",
"-std=gnu99",
"-Wall", "-Wextra", "-Werror",
"-Wno-unused-parameter",
"-Wno-unused-function")
common_settings.link.extension = ".bin"
common_settings.link.flags:Add("-ffreestanding",
"-nostdlib")
common_settings.link.libs:Add("gcc")
common_settings.link.Output = BuildOutput(nil)
local user_settings = TableDeepCopy(common_settings)
user_settings.cc.includes:Add('src/lib/include')
local base_settings = {
host_settings = host_settings,
common_settings = common_settings,
user_settings = user_settings
}
--
-- Require build scripts for all components
--
local fonts = require('res/fonts/bam')(base_settings)
local keymaps = require('res/keymaps/bam')(base_settings)
local function cdrom(name, settings)
for _, s in pairs(settings) do
s.cc.Output = BuildOutput(name)
s.link.Output = BuildOutput(name)
end
local common = require('src/common/bam')(settings)
local kernel = require('src/kernel/bam')(settings, common)
local lib = require('src/lib/bam')(settings, common)
local sysbin = require('src/sysbin/bam')(settings, lib)
if name == "dev" then
dev_kernel = kernel
end
local cdrom = "cdrom." .. name .. ".iso"
AddJob(cdrom, "building ISO", "./make_cdrom.sh " .. name)
AddDependency(cdrom, kernel.bin, sysbin, fonts, keymaps)
AddDependency(cdrom, Collect('src/syslua/*.lua'))
--
-- Script for running tests
--
local tests = {
require('src/tests/slab_test/bam')(settings),
require('src/tests/ktests/bam')(settings, common, kernel.obj),
require('src/tests/utests/bam')(settings, kernel.bin, lib)
}
PseudoTarget("test." .. name, tests)
return cdrom
end
local dev_settings = TableDeepCopy(base_settings)
for _, s in pairs(dev_settings) do
s.cc.flags:Add("-g", "-O0")
end
local dev_cdrom = cdrom("dev", dev_settings)
local rel_settings = TableDeepCopy(base_settings)
for _, s in pairs(rel_settings) do
s.cc.flags:Add("-Os", "-flto")
s.link.flags:Add("-Os", "-flto", "-Wl,--gc-sections")
-- Maybe do this, goes with --gc-sections
-- s.cc.flags:Add("-ffunction-sections", "-fdata-sections")
end
local rel_cdrom = cdrom("rel", rel_settings)
DefaultTarget(dev_cdrom)
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