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Per file options #16

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Per file options #16

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143e666
Replace filters by one common if block
JoelLinn Sep 15, 2021
8396a1d
Set per file build options
JoelLinn Sep 15, 2021
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104 changes: 54 additions & 50 deletions cmake_project.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@
-- Joel Linn
-- UndefinedVertex
-- Created: 2013/05/06
-- Copyright: (c) 2008-2020 Jason Perkins and the Premake project
-- Copyright: (c) 2008-2022 Jason Perkins and the Premake project
--

local p = premake
Expand Down Expand Up @@ -45,7 +45,7 @@ end
--
function m.generate(prj)
p.utf8()

-- if kind is only defined for configs, promote to project
if prj.kind == nil then
for cfg in project.eachconfig(prj) do
Expand Down Expand Up @@ -91,89 +91,96 @@ function m.generate(prj)
_p(2, 'LIBRARY_OUTPUT_DIRECTORY "%s"', cfg.buildtarget.directory)
_p(2, 'RUNTIME_OUTPUT_DIRECTORY "%s"', cfg.buildtarget.directory)
_p(1,')')
_p('endif()')

-- include dirs
_p('target_include_directories("%s" PRIVATE', prj.name)
_p(1, 'target_include_directories("%s" PRIVATE', prj.name)
for _, includedir in ipairs(cfg.includedirs) do
_x(1, '$<$<CONFIG:%s>:%s>', cmake.cfgname(cfg), includedir)
_x(2, '%s', includedir)
end
_p(')')
_p(1, ')')

-- defines
_p('target_compile_definitions("%s" PRIVATE', prj.name)
_p(1, 'target_compile_definitions("%s" PRIVATE', prj.name)
for _, define in ipairs(cfg.defines) do
_p(1, '$<$<CONFIG:%s>:%s>', cmake.cfgname(cfg), p.esc(define):gsub(' ', '\\ '))
_p(2, '%s', p.esc(define):gsub(' ', '\\ '))
end
_p(')')
_p(1, ')')

-- lib dirs
_p('target_link_directories("%s" PRIVATE', prj.name)
_p(1, 'target_link_directories("%s" PRIVATE', prj.name)
for _, libdir in ipairs(cfg.libdirs) do
_p(1, '$<$<CONFIG:%s>:%s>', cmake.cfgname(cfg), libdir)
_p(2, '%s', libdir)
end
_p(')')
_p(1, ')')

-- libs
_p('target_link_libraries("%s"', prj.name)
_p(1, 'target_link_libraries("%s"', prj.name)
-- Do not use toolset here as cmake needs to resolve dependency chains
local uselinkgroups = isclangorgcc and cfg.linkgroups == p.ON
if uselinkgroups then
_p(1, '-Wl,--start-group')
_p(2, '-Wl,--start-group')
end
for a, link in ipairs(config.getlinks(cfg, "dependencies", "object")) do
_p(1, '$<$<CONFIG:%s>:%s>', cmake.cfgname(cfg), link.linktarget.basename)
_p(2, '%s', link.linktarget.basename)
end
if uselinkgroups then
-- System libraries don't depend on the project
_p(1, '-Wl,--end-group')
_p(1, '-Wl,--start-group')
_p(2, '-Wl,--end-group')
_p(2, '-Wl,--start-group')
end
for _, link in ipairs(config.getlinks(cfg, "system", "fullpath")) do
_p(1, '$<$<CONFIG:%s>:%s>', cmake.cfgname(cfg), link)
_p(2, '%s', link)
end
if uselinkgroups then
_p(1, '-Wl,--end-group')
_p(2, '-Wl,--end-group')
end
_p(')')
_p(1, ')')


-- setting build options
all_build_options = ""
for _, option in ipairs(cfg.buildoptions) do
all_build_options = all_build_options .. option .. " "
end

if all_build_options ~= "" then
_p('if(CMAKE_BUILD_TYPE STREQUAL %s)', cmake.cfgname(cfg))
_p(1, 'set_target_properties("%s" PROPERTIES COMPILE_FLAGS "%s")', prj.name, all_build_options)
_p('endif()')
common_build_options = table.concat(cfg.buildoptions, " ")
if common_build_options ~= "" then
_p(1, 'set_target_properties("%s" PROPERTIES COMPILE_FLAGS "%s")', prj.name, common_build_options)
end

-- setting link options
all_link_options = ""
for _, option in ipairs(cfg.linkoptions) do
all_link_options = all_link_options .. option .. " "
common_link_options = table.concat(cfg.linkoptions, " ")
if common_link_options ~= "" then
_p(1, 'set_target_properties("%s" PROPERTIES LINK_FLAGS "%s")', prj.name, common_link_options)
end

if all_link_options ~= "" then
_p('if(CMAKE_BUILD_TYPE STREQUAL %s)', cmake.cfgname(cfg))
_p(1, 'set_target_properties("%s" PROPERTIES LINK_FLAGS "%s")', prj.name, all_link_options)
_p('endif()')
end


_p('target_compile_options("%s" PRIVATE', prj.name)
_p(1, 'target_compile_options("%s" PRIVATE', prj.name)

for _, flag in ipairs(toolset.getcflags(cfg)) do
_p(1, '$<$<AND:$<CONFIG:%s>,$<COMPILE_LANGUAGE:C>>:%s>', cmake.cfgname(cfg), flag)
_p(2, '$<$<COMPILE_LANGUAGE:C>:%s>', flag)
end
for _, flag in ipairs(toolset.getcxxflags(cfg)) do
_p(1, '$<$<AND:$<CONFIG:%s>,$<COMPILE_LANGUAGE:CXX>>:%s>', cmake.cfgname(cfg), flag)
end
_p(')')
_p(2, '$<$<COMPILE_LANGUAGE:CXX>:%s>', flag)
end
_p(1, ')')

-- setting per fille build options
table.foreachi(prj._.files, function(node)
local fcfg = p.fileconfig.getconfig(node, cfg)
if fcfg then
toolset_flags = {}
if path.iscfile(fcfg.name) then
toolset_flags = toolset.getcflags(fcfg)
else
toolset_flags = toolset.getcxxflags(fcfg)
end
file_build_options = table.concat(table.join(toolset_flags, fcfg.buildoptions), " ")
if file_build_options ~= "" then
_p(1,
'set_source_files_properties("%s" PROPERTIES COMPILE_FLAGS "%s")',
path.getrelative(prj.workspace.location, fcfg.abspath),
file_build_options)
end
end
end)

-- C++ standard
-- only need to configure it specified
-- only need to configure if specified
if (cfg.cppdialect ~= nil and cfg.cppdialect ~= '') or cfg.cppdialect == 'Default' then
local standard = {}
standard["C++98"] = 98
Expand All @@ -191,15 +198,13 @@ function m.generate(prj)
local pic = iif(cfg.pic == 'On', 'True', 'False')
local lto = iif(cfg.flags.LinkTimeOptimization, 'True', 'False')

_p('if(CMAKE_BUILD_TYPE STREQUAL %s)', cmake.cfgname(cfg))
_p(1, 'set_target_properties("%s" PROPERTIES', prj.name)
_p(2, 'CXX_STANDARD %s', standard[cfg.cppdialect])
_p(2, 'CXX_STANDARD_REQUIRED YES')
_p(2, 'CXX_EXTENSIONS %s', extentions)
_p(2, 'POSITION_INDEPENDENT_CODE %s', pic)
_p(2, 'INTERPROCEDURAL_OPTIMIZATION %s', lto)
_p(1, ')')
_p('endif()')
end

-- precompiled headers
Expand Down Expand Up @@ -229,9 +234,8 @@ function m.generate(prj)
pch = project.getrelative(cfg.project, path.getabsolute(pch))
end

_p('if(CMAKE_BUILD_TYPE STREQUAL %s)', cmake.cfgname(cfg))
_p('target_precompile_headers("%s" PUBLIC %s)', prj.name, pch)
_p('endif()')
_p(1, 'target_precompile_headers("%s" PUBLIC %s)', prj.name, pch)
end
_p('endif()')
end
end