[PATCH] find Lua 5.2 library correctly

[lilydjwg]

Hi, the Lua version has gone up to 5.2 for my system (Arch Linux), and
there are no longer something like liblua5.1.so found in Lua 5.1, but
only liblua.so.5.2.1.

I come up the attached patch that works for me, and should not break
anything.

-- 
Best regards,
lilydjwg

diff --git a/src/configure.in b/src/configure.in
index 431bc2c..d0fa6ff 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -496,13 +496,15 @@ if test "$enable_luainterp" = "yes" -o 
"$enable_luainterp" = "dynamic"; then
       else
        dnl Determine the SONAME for the current version, but fallback to
        dnl liblua${vi_cv_version_lua}.so if no SONAME-versioned file is found.
-       for i in 0 1 2 3 4 5 6 7 8 9; do
-         if test -f 
"${vi_cv_path_lua_pfx}/lib/liblua${vi_cv_version_lua}.so.$i"; then
-           LUA_SONAME=".$i"
-           break
-         fi
+       for LUA_SOVER in "${vi_cv_version_lua}.so" ".so.${vi_cv_version_lua}"; 
do
+         for i in 0 1 2 3 4 5 6 7 8 9; do
+           if test -f "${vi_cv_path_lua_pfx}/lib/liblua${LUA_SOVER}.$i"; then
+             LUA_SONAME=".$i"
+             break
+           fi
+         done
+         vi_cv_dll_name_lua="liblua${LUA_SOVER}$LUA_SONAME"
        done
-       vi_cv_dll_name_lua="liblua${vi_cv_version_lua}.so$LUA_SONAME"
       fi
       AC_DEFINE(DYNAMIC_LUA)
       LUA_LIBS=""

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