--- curl-7.29.0/configure.ac.orig	2013-02-15 15:38:22.912332897 +0100
+++ curl-7.29.0/configure.ac	2013-02-15 15:47:10.498977423 +0100
@@ -1336,7 +1336,7 @@
 
   if test -z "$GSSAPI_INCS"; then
      if test -f "$GSSAPI_ROOT/bin/krb5-config"; then
-        GSSAPI_INCS=`$GSSAPI_ROOT/bin/krb5-config --cflags gssapi`
+        GSSAPI_INCS=`CFLAGS= $GSSAPI_ROOT/bin/krb5-config --cflags gssapi`
      elif test "$GSSAPI_ROOT" != "yes"; then
         GSSAPI_INCS="-I$GSSAPI_ROOT/include"
      fi
@@ -1424,7 +1424,7 @@
         if test -f "$GSSAPI_ROOT/bin/krb5-config"; then
            dnl krb5-config doesn't have --libs-only-L or similar, put everything
            dnl into LIBS
-           gss_libs=`$GSSAPI_ROOT/bin/krb5-config --libs gssapi`
+           gss_libs=`CFLAGS= $GSSAPI_ROOT/bin/krb5-config --libs gssapi`
            LIBS="$gss_libs $LIBS"
         elif test "$GSSAPI_ROOT" != "yes"; then
            LDFLAGS="$LDFLAGS -L$GSSAPI_ROOT/lib$libsuff"