From 60ed988fd6c67b489d7cc186ecaa9db4e5c25b8c Mon Sep 17 00:00:00 2001
From: Rich Felker <dalias@aerifal.cx>
Date: Mon, 20 Apr 2015 18:14:19 -0400
Subject: fix regression in configure script with new visibility option

commit de2b67f8d41e08caa56bf6540277f6561edb647f introduced a
regression by adding a -include option to CFLAGS_AUTO which did not
work without additional -I options. this broke subsequent trycppif
tests and caused x86_64 to be misdetected as x32, among other issues.
simply using the full relative pathname to vis.h rather than -I is the
cleanest way to fix the problem.
---
 configure | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/configure b/configure
index 0e396941..e35c9b63 100755
--- a/configure
+++ b/configure
@@ -428,8 +428,8 @@ printf "checking whether global visibility preinclude works... "
 echo 'int (*fp)(void);' > "$tmpc"
 echo 'int foo(void) { }' >> "$tmpc"
 echo 'int bar(void) { fp = foo; return foo(); }' >> "$tmpc"
-if $CC $CFLAGS_C99FSE -I./arch/$ARCH -I src/internal -I./include \
-  $CPPFLAGS $CFLAGS -DSHARED -fPIC -include vis.h \
+if $CC $CFLAGS_C99FSE $CPPFLAGS $CFLAGS \
+  -DSHARED -fPIC -include src/internal/vis.h \
   -nostdlib -shared -Wl,-Bsymbolic-functions \
   -o /dev/null "$tmpc" >/dev/null 2>&1 ; then
 visibility=yes
@@ -440,7 +440,7 @@ printf "%s\n" "$visibility"
 fi
 
 if test "x$visibility" == xyes ; then
-CFLAGS_AUTO="$CFLAGS_AUTO -include vis.h"
+CFLAGS_AUTO="$CFLAGS_AUTO -include src/internal/vis.h"
 CFLAGS_AUTO="${CFLAGS_AUTO# }"
 fi
 
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