$OpenBSD: patch-configure_ac,v 1.7 2017/09/28 23:39:53 naddy Exp $

Index: configure.ac
--- configure.ac.orig
+++ configure.ac
@@ -173,8 +173,9 @@ if test "x$have_statvfs" = "xyes" ; then
 fi
 
 # Check for defines we expect
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 #include "stdio.h"
+]], [[
 printf ("%s", __FUNCTION__);
    ]])],
    [have_function=yes],
@@ -2104,7 +2105,6 @@ OLD_CFLAGS="$CFLAGS"
 OLD_LDFLAGS="$LDFLAGS"
 OLD_LIBS="$LIBS"
 CFLAGS=""
-LDFLAGS=""
 LIBS=""
 
 AC_ARG_ENABLE(libgif,
@@ -2155,7 +2155,6 @@ OLD_CFLAGS="$CFLAGS"
 OLD_LDFLAGS="$LDFLAGS"
 OLD_LIBS="$LIBS"
 CFLAGS=""
-LDFLAGS=""
 LIBS=""
 
 AC_ARG_ENABLE(libjpeg,
@@ -2206,7 +2205,6 @@ OLD_CFLAGS="$CFLAGS"
 OLD_LDFLAGS="$LDFLAGS"
 OLD_LIBS="$LIBS"
 CFLAGS=""
-LDFLAGS=""
 LIBS=""
 
 AC_ARG_ENABLE(libtiff,
@@ -2257,7 +2255,6 @@ OLD_CFLAGS="$CFLAGS"
 OLD_LDFLAGS="$LDFLAGS"
 OLD_LIBS="$LIBS"
 CFLAGS=""
-LDFLAGS=""
 LIBS=""
 
 AC_ARG_ENABLE(libpng,
