0ad/build/premake/pkgconfig/pkgconfig.lua
s0600204 9ea68317ad Use pkg-config where possible instead of hard-coding or library-specific programs
Accepted by: Itms, wraitii
Previously tested by: andy5995
Fixes: #5157
Refs: D1582
Differential Revision: https://code.wildfiregames.com/D1611
This was SVN commit r22302.
2019-05-25 18:00:40 +00:00

78 lines
1.9 KiB
Lua

local m = {}
m._VERSION = "1.1.0-dev"
local function os_capture(cmd)
return io.popen(cmd, 'r'):read('*a'):gsub("\n", " ")
end
function m.add_includes(lib, alternative_cmd, alternative_flags)
local result
if not alternative_cmd then
result = os_capture("pkg-config --cflags "..lib)
else
if not alternative_flags then
result = os_capture(alternative_cmd.." --cflags")
else
result = os_capture(alternative_cmd.." "..alternative_flags)
end
end
-- Small trick: delete the space after -include so that we can detect
-- which files have to be force-included without difficulty.
result = result:gsub("%-include +(%g+)", "-include%1")
local dirs = {}
local files = {}
local options = {}
for w in string.gmatch(result, "[^' ']+") do
if string.sub(w,1,2) == "-I" then
table.insert(dirs, string.sub(w,3))
elseif string.sub(w,1,8) == "-include" then
table.insert(files, string.sub(w,9))
else
table.insert(options, w)
end
end
sysincludedirs(dirs)
forceincludes(files)
buildoptions(options)
end
function m.add_links(lib, alternative_cmd, alternative_flags)
local result
if not alternative_cmd then
result = os_capture("pkg-config --libs "..lib)
else
if not alternative_flags then
result = os_capture(alternative_cmd.." --libs")
else
result = os_capture(alternative_cmd.." "..alternative_flags)
end
end
-- On OSX, wx-config outputs "-framework foo" instead of "-Wl,-framework,foo"
-- which doesn't fare well with the splitting into libs, libdirs and options
-- we perform afterwards.
result = result:gsub("%-framework +(%g+)", "-Wl,-framework,%1")
local libs = {}
local dirs = {}
local options = {}
for w in string.gmatch(result, "[^' ']+") do
if string.sub(w,1,2) == "-l" then
table.insert(libs, string.sub(w,3))
elseif string.sub(w,1,2) == "-L" then
table.insert(dirs, string.sub(w,3))
else
table.insert(options, w)
end
end
links(libs)
libdirs(dirs)
linkoptions(options)
end
return m