From: David Lamparter <equinox@opensourcerouting.org>
Date: Thu, 8 Dec 2022 11:35:03 +0000 (+0100)
Subject: build: fix sed regex in Lua macro
X-Git-Tag: base_8.5~163^2~2
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=9e46405ca2c7b3d5380dc6ab619666a6d32bbbfb;p=matthieu%2Ffrr.git

build: fix sed regex in Lua macro

Using `\s` to match whitespace is not portable, use `[[:space:]]`
instead.

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
---

diff --git a/m4/ax_lua.m4 b/m4/ax_lua.m4
index dde24eaf89..f4236cf08a 100644
--- a/m4/ax_lua.m4
+++ b/m4/ax_lua.m4
@@ -519,7 +519,7 @@ AC_DEFUN([AX_LUA_HEADERS],
         [
           ax_cv_lua_header_version=`echo LUA_VERSION | \
             $CC -P -E $LUA_INCLUDE -imacros lua.h - | \
-                $SED -e 's%"\s*"%%g' -e 's%^\s*%%' | \
+                $SED -e 's%"@<:@@<:@:space:@:>@@:>@*"%%g' -e 's%^@<:@@<:@:space:@:>@@:>@*%%' | \
                 tr -d '"\n' | \
                     $SED -n "s|^Lua \(@<:@0-9@:>@\{1,\}\.@<:@0-9@:>@\{1,\}\).\{0,\}|\1|p"`
         ])