Makefile.am (ARCH_AARCH64_LINUX): Add IFUNC_OPTIONS and libatomic_la_LIBADD.
2017-12-04 Steve Ellcey <sellcey@cavium.com>
* Makefile.am (ARCH_AARCH64_LINUX): Add IFUNC_OPTIONS and
libatomic_la_LIBADD.
* config/linux/aarch64/host-config.h: New file.
* configure.ac (IFUNC_RESOLVER_ARGS): Define.
(ARCH_AARCH64_LINUX): New conditional for IFUNC builds.
* configure.tgt (aarch64): Set ARCH and try_ifunc.
(aarch64*-*-linux*) Update config_path.
(aarch64*-*-linux*) Set IFUNC_RESOLVER_ARGS.
* libatomic_i.h (GEN_SELECTOR): Add IFUNC_RESOLVER_ARGS argument.
* Makefile.in: Regenerate.
* auto-config.h.in: Regenerate.
* configure: Regenerate.
From-SVN: r255399
diff --git a/libatomic/configure.ac b/libatomic/configure.ac
index bf7315e..6b11f21 100644
--- a/libatomic/configure.ac
+++ b/libatomic/configure.ac
@@ -163,6 +163,10 @@
AC_MSG_ERROR([Configuration ${target} is unsupported.])
fi
+# Write out the ifunc resolver arg type.
+AC_DEFINE_UNQUOTED(IFUNC_RESOLVER_ARGS, $IFUNC_RESOLVER_ARGS,
+ [Define ifunc resolver function argument.])
+
# Disable fallbacks to __sync routines from libgcc. Otherwise we'll
# make silly decisions about what the cpu can do.
CFLAGS="$save_CFLAGS -fno-sync-libcalls $XCFLAGS"
@@ -251,6 +255,8 @@
AC_SUBST(SIZES)
AM_CONDITIONAL(HAVE_IFUNC, test x$libat_cv_have_ifunc = xyes)
+AM_CONDITIONAL(ARCH_AARCH64_LINUX,
+ [expr "$config_path" : ".* linux/aarch64 .*" > /dev/null])
AM_CONDITIONAL(ARCH_ARM_LINUX,
[expr "$config_path" : ".* linux/arm .*" > /dev/null])
AM_CONDITIONAL(ARCH_I386,