[Xen-devel] [PATCH RFC 08/23] configure: add checks for endian.h and sys/endian.h

[Roger Pau Monne <roger.pau@xxxxxxxxxx>]

In order to know which one to include when building
xc_dom_decompress_lz4.c

Signed-off-by: Roger Pau Monnà <roger.pau@xxxxxxxxxx>
Cc: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
Cc: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
Please run autoconf after applying this patch.
---
 tools/config.h.in                   |    6 ++++++
 tools/configure.ac                  |    2 +-
 tools/libxc/Makefile                |    1 +
 tools/libxc/xc_dom_decompress_lz4.c |    4 ++++
 4 files changed, 12 insertions(+), 1 deletions(-)

diff --git a/tools/config.h.in b/tools/config.h.in
index 015f2a1..283cee7 100644
--- a/tools/config.h.in
+++ b/tools/config.h.in
@@ -51,6 +51,12 @@
 /* Define to 1 if you have the <yajl/yajl_version.h> header file. */
 #undef HAVE_YAJL_YAJL_VERSION_H
 
+/* Define to 1 if you have the <endian.h> header file. */
+#undef HAVE_ENDIAN_H
+
+/* Define to 1 if you have the <sys/endian.h> header file. */
+#undef HAVE_SYS_ENDIAN_H
+
 /* Define curses header to use */
 #undef INCLUDE_CURSES_H
 
diff --git a/tools/configure.ac b/tools/configure.ac
index eb54098..3b8db0a 100644
--- a/tools/configure.ac
+++ b/tools/configure.ac
@@ -247,7 +247,7 @@ AC_CHECK_LIB([fdt], [fdt_create], [], [AC_MSG_ERROR([Could 
not find libfdt])])
 esac
 
 # Checks for header files.
-AC_CHECK_HEADERS([yajl/yajl_version.h sys/eventfd.h])
+AC_CHECK_HEADERS([yajl/yajl_version.h sys/eventfd.h endian.h sys/endian.h])
 
 AC_OUTPUT()
 
diff --git a/tools/libxc/Makefile b/tools/libxc/Makefile
index 7f9b672..3e3678f 100644
--- a/tools/libxc/Makefile
+++ b/tools/libxc/Makefile
@@ -90,6 +90,7 @@ OSDEP_SRCS-y                 += xenctrl_osdep_ENOSYS.c
 
 CFLAGS   += -Werror -Wmissing-prototypes
 CFLAGS   += -I. $(CFLAGS_xeninclude)
+CFLAGS   += -include $(XEN_ROOT)/tools/config.h
 
 # Needed for posix_fadvise64() in xc_linux.c
 CFLAGS-$(CONFIG_Linux) += -D_GNU_SOURCE
diff --git a/tools/libxc/xc_dom_decompress_lz4.c 
b/tools/libxc/xc_dom_decompress_lz4.c
index 08272fe..7f97364 100644
--- a/tools/libxc/xc_dom_decompress_lz4.c
+++ b/tools/libxc/xc_dom_decompress_lz4.c
@@ -1,7 +1,11 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <inttypes.h>
+#if defined(HAVE_ENDIAN_H)
 #include <endian.h>
+#elif defined(HAVE_SYS_ENDIAN_H)
+#include <sys/endian.h>
+#endif
 #include <stdint.h>
 
 #include "xg_private.h"
-- 
1.7.7.5 (Apple Git-26)


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