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os.findlib(): add new argument to specify additional library search paths

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This commit is contained in:
Renaud Guillard 2015-01-07 00:31:34 +01:00
parent c922f3a199
commit 4323ed7a2f
1 changed files with 16 additions and 1 deletions
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17
src/base/os.lua
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@ -63,7 +63,10 @@
return dirs
end
function os.findlib(libname)
function os.findlib(libname, libdirs)
-- libname: library name with or without prefix and suffix
-- libdirs: (array or string): A set of additional search paths
local path, formats
-- assemble a search path, depending on the platform
@ -99,6 +102,18 @@
path = path .. ":/lib:/usr/lib:/usr/local/lib"
end
local userpath = ""
if type(libdirs) == "string" then
userpath = libdirs
elseif type(libdirs) == "table" then
userpath = table.implode(libdirs, "", "", ":")
end
if (#userpath > 0) then
path = ":" .. userpath .. path
end
for _, fmt in ipairs(formats) do
local name = string.format(fmt, libname)
local result = os.pathsearch(name, path)