From 23c104a68af7e407290857ece205161aa3831378 Mon Sep 17 00:00:00 2001
From: Jason Volk <jason@zemos.net>
Date: Wed, 8 Jul 2020 16:53:03 -0700
Subject: [PATCH] configure: Remove unnecessary; propagate environment.

---
 configure.ac | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/configure.ac b/configure.ac
index d003a2de5..cfb169985 100644
--- a/configure.ac
+++ b/configure.ac
@@ -20,15 +20,8 @@ AC_PATH_PROG(LN, ln)
 AC_PATH_PROG(LD, ld.gold)
 AC_PATH_PROG(TOUCH, touch)
 
-AC_SUBST(CC)
-AC_SUBST(CXX)
-AC_SUBST(LD)
-
-AC_SUBST(CFLAGS, "-pipe")
-AC_SUBST(CXXFLAGS, "-pipe")
-AC_SUBST(CPPFLAGS)
-AC_SUBST(LDFLAGS)
-AC_SUBST(LIBS)
+AC_SUBST(CFLAGS, "-pipe $CFLAGS")
+AC_SUBST(CXXFLAGS, "-pipe $CXXFLAGS")
 
 LT_INIT([dlopen shared disable-static])
 LT_LANG([C++])