[oe-commits] [openembedded-core] 01/07: multilib_header: Update wrapper to handle arm 32/64 bit
git at git.openembedded.org
git at git.openembedded.org
Thu Mar 30 15:44:08 UTC 2017
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rpurdie pushed a commit to branch master-next
in repository openembedded-core.
commit 141dc7136c9c62da1d30132df4b3244fe6d8898d
Author: Richard Purdie <richard.purdie at linuxfoundation.org>
AuthorDate: Thu Mar 30 15:02:21 2017 +0100
multilib_header: Update wrapper to handle arm 32/64 bit
Having arm 32/64 bit headers coexisting turns out to be tricky. Unfortunately
our wrapper works using wordsize.h and this differs on arm so we can't use it.
Therefore replicate the logic here for arm. I did look into writing our
own wordsize.h but we also need to remap kernel headers on arm and
since wordsize.h comes from libc, that doesn't work for kernel headers.
Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
meta/classes/multilib_header.bbclass | 7 -------
scripts/multilib_header_wrapper.h | 26 ++++++++++++++++----------
2 files changed, 16 insertions(+), 17 deletions(-)
diff --git a/meta/classes/multilib_header.bbclass b/meta/classes/multilib_header.bbclass
index 304c28e..e03f5b1 100644
--- a/meta/classes/multilib_header.bbclass
+++ b/meta/classes/multilib_header.bbclass
@@ -13,13 +13,9 @@ oe_multilib_header() {
;;
*)
esac
- # We use
- # For ARM: We don't support multilib builds.
# For MIPS: "n32" is a special case, which needs to be
# distinct from both 64-bit and 32-bit.
case ${TARGET_ARCH} in
- arm*) return
- ;;
mips*) case "${MIPSPKGSFX_ABI}" in
"-n32")
ident=n32
@@ -31,9 +27,6 @@ oe_multilib_header() {
;;
*) ident=${SITEINFO_BITS}
esac
- if echo ${TARGET_ARCH} | grep -q arm; then
- return
- fi
for each_header in "$@" ; do
if [ ! -f "${D}/${includedir}/$each_header" ]; then
bberror "oe_multilib_header: Unable to find header $each_header."
diff --git a/scripts/multilib_header_wrapper.h b/scripts/multilib_header_wrapper.h
index 5a87540..f516673 100644
--- a/scripts/multilib_header_wrapper.h
+++ b/scripts/multilib_header_wrapper.h
@@ -21,11 +21,23 @@
*
*/
-#include <bits/wordsize.h>
-#ifdef __WORDSIZE
+#if defined (__arm__)
+#define __MHWORDSIZE 32
+#elif defined (__aarch64__) && defined ( __LP64__)
+#define __MHWORDSIZE 64
+#elif defined (__aarch64__)
+#define __MHWORDSIZE 32
+#else
+#include <bits/wordsize.h>
+#if defined (__WORDSIZE)
+#define __MHWORDSIZE __WORDSIZE
+#else
+#error "__WORDSIZE is not defined"
+#endif
+#endif
-#if __WORDSIZE == 32
+#if __MHWORDSIZE == 32
#ifdef _MIPS_SIM
@@ -41,15 +53,9 @@
#include <ENTER_HEADER_FILENAME_HERE-32.h>
#endif
-#elif __WORDSIZE == 64
+#elif __MHWORDSIZE == 64
#include <ENTER_HEADER_FILENAME_HERE-64.h>
#else
#error "Unknown __WORDSIZE detected"
#endif /* matches #if __WORDSIZE == 32 */
-
-#else /* __WORDSIZE is not defined */
-
-#error "__WORDSIZE is not defined"
-
-#endif
--
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