SDL: configure: Don't use "-Wl,--no-undefined" in "sdl2-config --static-libs"

SDL Commits
1 
From b42bf2a7740fcb60e745af237b8333413b38a413 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <[EMAIL REDACTED]>
Date: Fri, 2 Apr 2021 12:58:12 -0400
Subject: [PATCH] configure: Don't use "-Wl,--no-undefined" in "sdl2-config
 --static-libs"

Fixes #3788.
---
 configure    | 2 +-
 configure.ac | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/configure b/configure
index de31ebafc..b1a6c2429 100755
--- a/configure
+++ b/configure
@@ -16380,7 +16380,7 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
 
         have_no_undefined=yes
-        EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,--no-undefined"
+        BUILD_LDFLAGS="$BUILD_LDFLAGS -Wl,--no-undefined"
 
 fi
 rm -f core conftest.err conftest.$ac_objext \
diff --git a/configure.ac b/configure.ac
index 16eedb0fa..e28996695 100644
--- a/configure.ac
+++ b/configure.ac
@@ -244,7 +244,7 @@ case "$host" in
         ],[
         ],[
         have_no_undefined=yes
-        EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,--no-undefined"
+        BUILD_LDFLAGS="$BUILD_LDFLAGS -Wl,--no-undefined"
         ])
         LDFLAGS="$save_LDFLAGS"
         ;;