From ad6c27862675b41df8b98a91ad547712ee17090d Mon Sep 17 00:00:00 2001
From: Hisham Muhammad <hisham@gobolinux.org>
Date: Fri, 7 Sep 2018 01:26:59 +0300
Subject: builtin: autogenerate valid variable names for libraries with symbols

---
 src/luarocks/build/builtin.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/luarocks/build/builtin.lua b/src/luarocks/build/builtin.lua
index 3d1e974d..f2b74399 100644
--- a/src/luarocks/build/builtin.lua
+++ b/src/luarocks/build/builtin.lua
@@ -25,7 +25,7 @@ function builtin.autodetect_external_dependencies(build)
          local incdirs = {}
          local libdirs = {}
          for _, lib in ipairs(libraries) do
-            local upper = lib:upper()
+            local upper = lib:upper():gsub("%+", "P"):gsub("[^%w]", "_")
             any = true
             extdeps[upper] = { library = lib }
             table.insert(incdirs, "$(" .. upper .. "_INCDIR)")
-- 
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