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[packages/trusty/cirros-testvm.git] / cirros-testvm / src-cirros / buildroot-2015.05 / package / openpgm / 0002-cross-compile.patch

diff --git a/cirros-testvm/src-cirros/buildroot-2015.05/package/openpgm/0002-cross-compile.patch b/cirros-testvm/src-cirros/buildroot-2015.05/package/openpgm/0002-cross-compile.patch
new file mode 100644 (file)
index 0000000..07a2449
--- /dev/null
+++ b/cirros-testvm/src-cirros/buildroot-2015.05/package/openpgm/0002-cross-compile.patch
@@ -0,0 +1,38 @@
+configure.ac: cross-compilation fix
+
+This patch enables to configure the package when cross-compiling in a way
+recommended by Autoconf manual (see manual for version 2.69, Section 6.6
+Checking Runtime Behavior).
+
+Signed-off-by: Alexander Lukichev <alexander.lukichev@gmail.com>
+
+--- a/openpgm/pgm/configure.ac 2011-09-27 20:59:08.000000000 +0300
++++ b/openpgm/pgm/configure.ac 2013-02-12 10:33:53.000000000 +0200
+@@ -272,14 +272,19 @@ uint32_t add32_with_carry (uint32_t a, u
+       ;;
+ esac
+ # ticket spinlock friendly: unaligned pointers & atomic ops (excl. Sun Pro)
+-AC_MSG_CHECKING([for unaligned pointers])
+-AC_RUN_IFELSE(
+-      [AC_LANG_PROGRAM([[char* nezumi = "mouse";]],
+-              [[short x = *(short*)(nezumi + 2)]])],
+-      [AC_MSG_RESULT([yes])
+-              pgm_unaligned_pointers=yes],
+-      [AC_MSG_RESULT([no])
+-              pgm_unaligned_pointers=no])
++AC_CACHE_CHECK([if unaligned access fails], [ac_cv_lbl_unaligned_fail],
++      [AC_RUN_IFELSE(
++              [AC_LANG_PROGRAM([[char* nezumi = "mouse";]],
++                      [[short x = *(short*)(nezumi + 2)]])],
++              [ac_cv_lbl_unaligned_fail=no],
++              [ac_cv_lbl_unaligned_fail=yes],
++              [ac_cv_lbl_unaligned_fail=yes])
++      ])
++if test "$ac_cv_lbl_unaligned_fail" = yes; then
++      pgm_unaligned_pointers=no
++else
++      pgm_unaligned_pointers=yes
++fi
+ AC_MSG_CHECKING([for intrinsic atomic ops])
+ # AC_PREPROC_IFELSE not always portable
+ AC_COMPILE_IFELSE(