[Xen-devel] [PATCH] tools/hvmloader: link errno.h from xen internal

[Tiejun Chen <tiejun.chen@xxxxxxxxx>]

We will use some error numbers in hvmloader so here just link
this head file from xen.

Signed-off-by: Tiejun Chen <tiejun.chen@xxxxxxxxx>
---
 .gitignore                        | 1 +
 tools/firmware/hvmloader/Makefile | 8 ++++++--
 tools/firmware/hvmloader/util.h   | 1 +
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/.gitignore b/.gitignore
index b24e905..52c3038 100644
--- a/.gitignore
+++ b/.gitignore
@@ -127,6 +127,7 @@ tools/firmware/hvmloader/acpi/ssdt_*.h
 tools/firmware/hvmloader/hvmloader
 tools/firmware/hvmloader/roms.h
 tools/firmware/hvmloader/roms.inc
+tools/firmware/hvmloader/errno.h
 tools/firmware/rombios/BIOS-bochs-[^/]*
 tools/firmware/rombios/_rombios[^/]*_.c
 tools/firmware/rombios/rombios[^/]*.s
diff --git a/tools/firmware/hvmloader/Makefile 
b/tools/firmware/hvmloader/Makefile
index 46a79c5..2e0f062 100644
--- a/tools/firmware/hvmloader/Makefile
+++ b/tools/firmware/hvmloader/Makefile
@@ -84,9 +84,13 @@ ROMS += $(SEABIOS_ROM)
 endif
 
 .PHONY: all
-all: subdirs-all
+all: subdirs-all .dir
        $(MAKE) hvmloader
 
+.dir:
+       @rm -rf errno.h
+       ln -sf $(XEN_ROOT)/xen/include/xen/errno.h .
+
 ovmf.o rombios.o seabios.o hvmloader.o: roms.inc
 smbios.o: CFLAGS += -D__SMBIOS_DATE__="\"$(shell date +%m/%d/%Y)\""
 
@@ -136,7 +140,7 @@ endif
 
 .PHONY: clean
 clean: subdirs-clean
-       rm -f roms.inc roms.inc.new acpi.h
+       rm -f roms.inc roms.inc.new acpi.h errno.h
        rm -f hvmloader hvmloader.tmp *.o $(DEPS)
 
 -include $(DEPS)
diff --git a/tools/firmware/hvmloader/util.h b/tools/firmware/hvmloader/util.h
index a70e4aa..1352025 100644
--- a/tools/firmware/hvmloader/util.h
+++ b/tools/firmware/hvmloader/util.h
@@ -6,6 +6,7 @@
 #include <stddef.h>
 #include <xen/xen.h>
 #include <xen/hvm/hvm_info_table.h>
+#include "errno.h"
 
 #define __STR(...) #__VA_ARGS__
 #define STR(...) __STR(__VA_ARGS__)
-- 
1.9.1


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