From 80f464d9d72839841422f75e78ce725365cc3d71 Mon Sep 17 00:00:00 2001 From: Mateusz Piotrowski <0mp@FreeBSD.org> Date: Wed, 9 Jan 2019 14:45:00 +0100 Subject: [PATCH] Escape square brackets in configure.ac This patch attempts to solve the regression introduced in e8b0efdc (#2607). --- configure.ac | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/configure.ac b/configure.ac index 4f00ff014..55600d90b 100644 --- a/configure.ac +++ b/configure.ac @@ -275,7 +275,7 @@ test "$prefix" = NONE && prefix=$ac_default_prefix test "$exec_prefix" = NONE && exec_prefix='${prefix}' for name in $ac_subst_vars; do for _ in 1 2 3; do - if printf '%s' "${name}" | egrep '^[_[:alpha:]][_[:alnum:]]*$' + if printf '%s' "${name}" | egrep '^[[_[[:alpha:]]]][[_[[:alnum:]]]]*$' then eval "${name}"="$(eval echo "\${${name}}")" fi