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(linux->osx) Autodetect the installed version of clang #214

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(linux->osx) Autodetect the installed version of clang #214

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13 changes: 12 additions & 1 deletion scripts/toolchain.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -377,7 +377,18 @@ function toolchain(_buildDir, _libDir)
print("Set OSXCROSS environment variable.")
end

local osxToolchain = "x86_64-apple-darwin15-"
-- Autodetct OSXCROSS darwin version
-- Do this by using compgen to get clang install. This is a part of bash and always present
local handle = io.popen("compgen -c x86_64-apple-darwin | grep \"clang$\"")
local osxToolchain = handle:read("*a")
handle:close()
if (not osxToolchain or osxToolchain == "") then
print("Warning: Could not autodetect x86_64-apple-apple-darwin toolchain! Check that your $PATH variable includes $OSXCROSS/target/bin/ !")
osxToolchain = "x86_64-apple-darwin15-" -- Default to this if not found
else
osxToolchain = osxToolchain:sub(1,osxToolchain:len()-6) --Get rid of the --clang to get the common part
end

premake.gcc.cc = "$(OSXCROSS)/target/bin/" .. osxToolchain .. "clang"
premake.gcc.cxx = "$(OSXCROSS)/target/bin/" .. osxToolchain .. "clang++"
premake.gcc.ar = "$(OSXCROSS)/target/bin/" .. osxToolchain .. "ar"
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