diff --git a/gutenprint/Makefile.am b/gutenprint/Makefile.am

index a5cc005..d15571f 100644

--- a/gutenprint/Makefile.am

+++ b/gutenprint/Makefile.am

@@ -18,7 +18,7 @@

 @SET_MAKE@

-ACLOCAL_AMFLAGS = -I m4 -I m4local

+ACLOCAL_AMFLAGS = -I m4 -I m4local -I m4extra

 include $(top_srcdir)/scripts/global.mk

diff --git a/gutenprint/src/cups/commandtocanon.c b/gutenprint/src/cups/commandtocanon.c

index 13d96d7..215673e 100644

--- a/gutenprint/src/cups/commandtocanon.c

+++ b/gutenprint/src/cups/commandtocanon.c

@@ -13,6 +13,7 @@

 #include <cups/cups.h>

 #include <ctype.h>

+#include <stdio.h>

 #include <stdlib.h>

 #include <stdio.h>

 #include <strings.h>

diff --git a/gutenprint/src/cups/commandtoepson.c b/gutenprint/src/cups/commandtoepson.c

index 7bac83c..c83be50 100644

--- a/gutenprint/src/cups/commandtoepson.c

+++ b/gutenprint/src/cups/commandtoepson.c

@@ -27,6 +27,7 @@

 #include <cups/cups.h>

 #include <ctype.h>

+#include <stdio.h>

 #include <stdlib.h>

 #include <string.h>

 #include <stdio.h>

diff --git a/gutenprint/src/main/print-escp2.c b/gutenprint/src/main/print-escp2.c

index 6fe807a..fa48c2d 100644

--- a/gutenprint/src/main/print-escp2.c

+++ b/gutenprint/src/main/print-escp2.c

@@ -2238,6 +2238,7 @@ escp2_parameters(const stp_vars_t *v, const char *name,

     return;

   memset(&description->deflt, 0, sizeof(description->deflt));

+  memset(&description->bounds, 0, sizeof(description->bounds));

   for (i = 0; i < float_parameter_count; i++)

     if (strcmp(name, float_parameters[i].param.name) == 0)