musl's stdint does not support gcc -m32 so we need to make sure that we
don't use system's stdint.h. We ship a stdind_local.h and make sure that
we use that instead

https://bugs.alpinelinux.org/issues/3308

diff --git a/tools/firmware/Rules.mk b/tools/firmware/Rules.mk
index 26bbddc..efad58c 100644
--- a/tools/firmware/Rules.mk
+++ b/tools/firmware/Rules.mk
@@ -12,6 +12,7 @@ CFLAGS += -DNDEBUG
 endif
 
 CFLAGS += -Werror
+CFLAGS += -I$(XEN_ROOT)/tools/firmware
 
 $(call cc-options-add,CFLAGS,CC,$(EMBEDDED_EXTRA_CFLAGS))
 
diff --git a/tools/firmware/hvmloader/32bitbios_support.c b/tools/firmware/hvmloader/32bitbios_support.c
index fe770a3..cdab677 100644
--- a/tools/firmware/hvmloader/32bitbios_support.c
+++ b/tools/firmware/hvmloader/32bitbios_support.c
@@ -21,8 +21,8 @@
  * Place - Suite 330, Boston, MA 02111-1307 USA.
  */
 
-#include <inttypes.h>
-#include <elf.h>
+#include <stdint_local.h>
+#include <elf_local.h>
 #ifdef __sun__
 #include <sys/machelf.h>
 #endif
diff --git a/tools/firmware/hvmloader/acpi/acpi2_0.h b/tools/firmware/hvmloader/acpi/acpi2_0.h
index 7b22d80..413c930 100644
--- a/tools/firmware/hvmloader/acpi/acpi2_0.h
+++ b/tools/firmware/hvmloader/acpi/acpi2_0.h
@@ -18,7 +18,7 @@
 #ifndef _ACPI_2_0_H_
 #define _ACPI_2_0_H_
 
-#include <stdint.h>
+#include <stdint_local.h>
 #include <xen/xen.h>
 #include <xen/hvm/ioreq.h>
 
diff --git a/tools/firmware/hvmloader/config.h b/tools/firmware/hvmloader/config.h
index b838cf9..33d48b3 100644
--- a/tools/firmware/hvmloader/config.h
+++ b/tools/firmware/hvmloader/config.h
@@ -1,7 +1,7 @@
 #ifndef __HVMLOADER_CONFIG_H__
 #define __HVMLOADER_CONFIG_H__
 
-#include <stdint.h>
+#include <stdint_local.h>
 
 enum virtual_vga { VGA_none, VGA_std, VGA_cirrus, VGA_pt };
 extern enum virtual_vga virtual_vga;
diff --git a/tools/firmware/hvmloader/hypercall.h b/tools/firmware/hvmloader/hypercall.h
index 5368c30..c57bc86 100644
--- a/tools/firmware/hvmloader/hypercall.h
+++ b/tools/firmware/hvmloader/hypercall.h
@@ -31,7 +31,7 @@
 #ifndef __HVMLOADER_HYPERCALL_H__
 #define __HVMLOADER_HYPERCALL_H__
 
-#include <stdint.h>
+#include <stdint_local.h>
 #include <xen/xen.h>
 #include "config.h"
 
diff --git a/tools/firmware/hvmloader/mp_tables.c b/tools/firmware/hvmloader/mp_tables.c
index fd636a0..b3b703e 100644
--- a/tools/firmware/hvmloader/mp_tables.c
+++ b/tools/firmware/hvmloader/mp_tables.c
@@ -28,7 +28,7 @@
  * Place - Suite 330, Boston, MA 02111-1307 USA.
  */
 
-#include <stdint.h>
+#include <stdint_local.h>
 #include "config.h"
 
 /* number of non-processor MP table entries */
diff --git a/tools/firmware/hvmloader/option_rom.h b/tools/firmware/hvmloader/option_rom.h
index 0fefe08..66a93bc 100644
--- a/tools/firmware/hvmloader/option_rom.h
+++ b/tools/firmware/hvmloader/option_rom.h
@@ -1,7 +1,7 @@
 #ifndef __HVMLOADER_OPTION_ROM_H__
 #define __HVMLOADER_OPTION_ROM_H__
 
-#include <stdint.h>
+#include <stdint_local.h>
 
 struct option_rom_header {
     uint8_t signature[2]; /* "\x55\xaa" */
diff --git a/tools/firmware/hvmloader/pir_types.h b/tools/firmware/hvmloader/pir_types.h
index 6e50822..6134b01 100644
--- a/tools/firmware/hvmloader/pir_types.h
+++ b/tools/firmware/hvmloader/pir_types.h
@@ -24,7 +24,7 @@
 #ifndef PIR_TYPES_H
 #define PIR_TYPES_H
 
-#include <stdint.h>
+#include <stdint_local.h>
 
 #define NR_PIR_SLOTS 6
 
diff --git a/tools/firmware/hvmloader/smbios.c b/tools/firmware/hvmloader/smbios.c
index 4d3d692..60d144d 100644
--- a/tools/firmware/hvmloader/smbios.c
+++ b/tools/firmware/hvmloader/smbios.c
@@ -20,7 +20,7 @@
  * Authors: Andrew D. Ball <aball@us.ibm.com>
  */
 
-#include <stdint.h>
+#include <stdint_local.h>
 #include <xen/xen.h>
 #include <xen/version.h>
 #include "smbios_types.h"
diff --git a/tools/firmware/hvmloader/smbios_types.h b/tools/firmware/hvmloader/smbios_types.h
index ff36564..1b61d9a 100644
--- a/tools/firmware/hvmloader/smbios_types.h
+++ b/tools/firmware/hvmloader/smbios_types.h
@@ -26,7 +26,7 @@
 #ifndef SMBIOS_TYPES_H
 #define SMBIOS_TYPES_H
 
-#include <stdint.h>
+#include <stdint_local.h>
 
 /* SMBIOS entry point -- must be written to a 16-bit aligned address
    between 0xf0000 and 0xfffff. 
diff --git a/tools/firmware/hvmloader/util.c b/tools/firmware/hvmloader/util.c
index 80d822f..671d8cd 100644
--- a/tools/firmware/hvmloader/util.c
+++ b/tools/firmware/hvmloader/util.c
@@ -22,7 +22,7 @@
 #include "config.h"
 #include "hypercall.h"
 #include "ctype.h"
-#include <stdint.h>
+#include <stdint_local.h>
 #include <xen/xen.h>
 #include <xen/memory.h>
 #include <xen/sched.h>
diff --git a/tools/firmware/hvmloader/util.h b/tools/firmware/hvmloader/util.h
index a70e4aa..a8a2628 100644
--- a/tools/firmware/hvmloader/util.h
+++ b/tools/firmware/hvmloader/util.h
@@ -2,7 +2,7 @@
 #define __HVMLOADER_UTIL_H__
 
 #include <stdarg.h>
-#include <stdint.h>
+#include <stdint_local.h>
 #include <stddef.h>
 #include <xen/xen.h>
 #include <xen/hvm/hvm_info_table.h>
diff --git a/tools/firmware/rombios/32bit/pmm.c b/tools/firmware/rombios/32bit/pmm.c
index 4a279ca..b90b813 100644
--- a/tools/firmware/rombios/32bit/pmm.c
+++ b/tools/firmware/rombios/32bit/pmm.c
@@ -63,7 +63,7 @@
  *     }
  */
 
-#include <stdint.h>
+#include <stdint_local.h>
 #include <stddef.h>
 #include "config.h"
 #include "e820.h"
diff --git a/tools/firmware/rombios/32bit/util.c b/tools/firmware/rombios/32bit/util.c
index a47bb71..777f742 100644
--- a/tools/firmware/rombios/32bit/util.c
+++ b/tools/firmware/rombios/32bit/util.c
@@ -18,7 +18,7 @@
  * Place - Suite 330, Boston, MA 02111-1307 USA.
  */
 #include <stdarg.h>
-#include <stdint.h>
+#include <stdint_local.h>
 #include "rombios_compat.h"
 #include "util.h"