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--
-- _cmake.lua
-- Define the CMake action(s).
-- Copyright (c) 2015 Miodrag Milanovic
-- Modifications and additions in 2017 by Maurizio Petrarota
--
local cmake = premake.cmake
local tree = premake.tree
local includestr = 'include_directories(../%s)'
local definestr = 'add_definitions(-D%s)'
local function is_excluded(prj, cfg, file)
if table.icontains(prj.excludes, file) then
return true
end
if table.icontains(cfg.excludes, file) then
return true
end
return false
end
function cmake.excludedFiles(prj, cfg, src)
for _, v in ipairs(src) do
if (is_excluded(prj, cfg, v)) then
_p(1, 'list(REMOVE_ITEM source_list ../%s)', v)
end
end
end
function cmake.list(value)
if #value > 0 then
return " " .. table.concat(value, " ")
else
return ""
end
end
function cmake.files(prj)
local ret = {}
local tr = premake.project.buildsourcetree(prj)
tree.traverse(tr, {
onbranchenter = function(node, depth)
end,
onbranchexit = function(node, depth)
end,
onleaf = function(node, depth)
table.insert(ret, node.cfg.name)
_p(1, '../%s', node.cfg.name)
end,
}, true, 1)
return ret
end
function cmake.header(prj)
_p('# %s project autogenerated by GENie', premake.action.current().shortname)
_p('cmake_minimum_required(VERSION 2.8.4)')
_p('')
_p('project(%s)', premake.esc(prj.name))
end
function cmake.customtasks(prj)
local dirs = {}
local tasks = {}
for _, custombuildtask in ipairs(prj.custombuildtask or {}) do
for _, buildtask in ipairs(custombuildtask or {}) do
table.insert(tasks, buildtask)
local d = string.format("${CMAKE_CURRENT_SOURCE_DIR}/../%s", path.getdirectory(path.getrelative(prj.location, buildtask[2])))
if not table.contains(dirs, d) then
table.insert(dirs, d)
_p('file(MAKE_DIRECTORY \"%s\")', d)
end
end
end
_p('')
for _, buildtask in ipairs(tasks) do
local deps = string.format("${CMAKE_CURRENT_SOURCE_DIR}/../%s ", path.getrelative(prj.location, buildtask[1]))
local outputs = string.format("${CMAKE_CURRENT_SOURCE_DIR}/../%s ", path.getrelative(prj.location, buildtask[2]))
local msg = ""
for _, depdata in ipairs(buildtask[3] or {}) do
deps = deps .. string.format("${CMAKE_CURRENT_SOURCE_DIR}/../%s ", path.getrelative(prj.location, depdata))
end
_p('add_custom_command(')
_p(1, 'OUTPUT %s', outputs)
_p(1, 'DEPENDS %s', deps)
for _, cmdline in ipairs(buildtask[4] or {}) do
if (cmdline:sub(1, 1) ~= "@") then
local cmd = cmdline
local num = 1
for _, depdata in ipairs(buildtask[3] or {}) do
cmd = string.gsub(cmd, "%$%(" .. num .. "%)", string.format("${CMAKE_CURRENT_SOURCE_DIR}/../%s ", path.getrelative(prj.location, depdata)))
num = num + 1
end
cmd = string.gsub(cmd, "%$%(<%)", string.format("${CMAKE_CURRENT_SOURCE_DIR}/../%s ", path.getrelative(prj.location, buildtask[1])))
cmd = string.gsub(cmd, "%$%(@%)", outputs)
_p(1, 'COMMAND %s', cmd)
else
msg = cmdline
end
end
_p(1, 'COMMENT \"%s\"', msg)
_p(')')
_p('')
end
end
function cmake.depRules(prj)
local maintable = {}
for _, dependency in ipairs(prj.dependency) do
for _, dep in ipairs(dependency) do
if path.issourcefile(dep[1]) then
local dep1 = premake.esc(path.getrelative(prj.location, dep[1]))
local dep2 = premake.esc(path.getrelative(prj.location, dep[2]))
if not maintable[dep1] then maintable[dep1] = {} end
table.insert(maintable[dep1], dep2)
end
end
end
for key, _ in pairs(maintable) do
local deplist = {}
local depsname = string.format('%s_deps', path.getname(key))
for _, d2 in pairs(maintable[key]) do
table.insert(deplist, d2)
end
_p('set(')
_p(1, depsname)
for _, v in pairs(deplist) do
_p(1, '${CMAKE_CURRENT_SOURCE_DIR}/../%s', v)
end
_p(')')
_p('')
_p('set_source_files_properties(')
_p(1, '\"${CMAKE_CURRENT_SOURCE_DIR}/../%s\"', key)
_p(1, 'PROPERTIES OBJECT_DEPENDS \"${%s}\"', depsname)
_p(')')
_p('')
end
end
function cmake.commonRules(conf, str)
local Dupes = {}
local t2 = {}
for _, cfg in ipairs(conf) do
local cfgd = iif(str == includestr, cfg.includedirs, cfg.defines)
for _, v in ipairs(cfgd) do
if(t2[v] == #conf - 1) then
_p(str, v)
table.insert(Dupes, v)
end
if not t2[v] then
t2[v] = 1
else
t2[v] = t2[v] + 1
end
end
end
return Dupes
end
function cmake.cfgRules(cfg, dupes, str)
for _, v in ipairs(cfg) do
if (not table.icontains(dupes, v)) then
_p(1, str, v)
end
end
end
function cmake.removeCrosscompiler(platforms)
for i = #platforms, 1, -1 do
if premake.platforms[platforms[i]].iscrosscompiler then
table.remove(platforms, i)
end
end
end
function cmake.project(prj)
io.indent = " "
cmake.header(prj)
_p('set(')
_p('source_list')
local source_files = cmake.files(prj)
_p(')')
_p('')
local nativeplatform = iif(os.is64bit(), "x64", "x32")
local cc = premake.gettool(prj)
local platforms = premake.filterplatforms(prj.solution, cc.platforms, "Native")
cmake.removeCrosscompiler(platforms)
local configurations = {}
for _, platform in ipairs(platforms) do
for cfg in premake.eachconfig(prj, platform) do
-- TODO: Extend support for 32-bit targets on 64-bit hosts
if cfg.platform == nativeplatform then
table.insert(configurations, cfg)
end
end
end
local commonIncludes = cmake.commonRules(configurations, includestr)
local commonDefines = cmake.commonRules(configurations, definestr)
_p('')
for _, cfg in ipairs(configurations) do
_p('if(CMAKE_BUILD_TYPE MATCHES \"%s\")', cfg.name)
-- list excluded files
cmake.excludedFiles(prj, cfg, source_files)
-- add includes directories
cmake.cfgRules(cfg.includedirs, commonIncludes, includestr)
-- add build defines
cmake.cfgRules(cfg.defines, commonDefines, definestr)
-- set CXX flags
_p(1, 'set(CMAKE_CXX_FLAGS \"${CMAKE_CXX_FLAGS} %s\")', cmake.list(table.join(cc.getcppflags(cfg), cc.getcflags(cfg), cc.getcxxflags(cfg), cfg.buildoptions, cfg.buildoptions_cpp)))
-- set C flags
_p(1, 'set(CMAKE_C_FLAGS \"${CMAKE_C_FLAGS} %s\")', cmake.list(table.join(cc.getcppflags(cfg), cc.getcflags(cfg), cfg.buildoptions, cfg.buildoptions_c)))
_p('endif()')
_p('')
end
-- force CPP if needed
if (prj.options.ForceCPP) then
_p('set_source_files_properties(${source_list} PROPERTIES LANGUAGE CXX)')
end
-- add custom tasks
cmake.customtasks(prj)
-- per-dependency build rules
cmake.depRules(prj)
for _, cfg in ipairs(configurations) do
_p('if(CMAKE_BUILD_TYPE MATCHES \"%s\")', cfg.name)
if (prj.kind == 'StaticLib') then
_p(1, 'add_library(%s STATIC ${source_list})', premake.esc(cfg.buildtarget.basename))
end
if (prj.kind == 'SharedLib') then
_p(1, 'add_library(%s SHARED ${source_list})', premake.esc(cfg.buildtarget.basename))
end
if (prj.kind == 'ConsoleApp' or prj.kind == 'WindowedApp') then
_p(1, 'add_executable(%s ${source_list})', premake.esc(cfg.buildtarget.basename))
_p(1, 'target_link_libraries(%s%s%s)', premake.esc(cfg.buildtarget.basename), cmake.list(premake.esc(premake.getlinks(cfg, "siblings", "basename"))), cmake.list(cc.getlinkflags(cfg)))
end
_p('endif()')
_p('')
end
end
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