5 files changed, 36 insertions, 50 deletions
diff --git a/libgo/Makefile.am b/libgo/Makefile.am
index 1f5a021..93eaa9f 100644
--- a/libgo/Makefile.am
+++ b/libgo/Makefile.am
@@ -42,14 +42,12 @@ ACLOCAL_AMFLAGS = -I ./config -I ../config
 
 AM_CFLAGS = -fexceptions -fnon-call-exceptions -fplan9-extensions \
 	$(SPLIT_STACK) $(WARN_CFLAGS) \
-	$(STRINGOPS_FLAG) $(OSCFLAGS) \
+	$(STRINGOPS_FLAG) $(HWCAP_CFLAGS) $(OSCFLAGS) \
 	-I $(srcdir)/../libgcc -I $(srcdir)/../libbacktrace \
 	-I $(MULTIBUILDTOP)../../gcc/include
 
-AM_LDFLAGS = $(HWCAP_LDFLAGS)
-
 if USING_SPLIT_STACK
-AM_LDFLAGS += -XCClinker $(SPLIT_STACK)
+AM_LDFLAGS = -XCClinker $(SPLIT_STACK)
 endif
 
 # Multilib support.
diff --git a/libgo/Makefile.in b/libgo/Makefile.in
index a161fd7..424e41b 100644
--- a/libgo/Makefile.in
+++ b/libgo/Makefile.in
@@ -62,9 +62,8 @@ POST_UNINSTALL = :
 build_triplet = @build@
 host_triplet = @host@
 target_triplet = @target@
-@USING_SPLIT_STACK_TRUE@am__append_1 = -XCClinker $(SPLIT_STACK)
-@GOC_IS_LLGO_TRUE@am__append_2 = libgo-llgo.la libgobegin-llgo.a
-@GOC_IS_LLGO_FALSE@am__append_3 = libgo.la libgobegin.a
+@GOC_IS_LLGO_TRUE@am__append_1 = libgo-llgo.la libgobegin-llgo.a
+@GOC_IS_LLGO_FALSE@am__append_2 = libgo.la libgobegin.a
 subdir = .
 DIST_COMMON = README $(srcdir)/Makefile.in $(srcdir)/Makefile.am \
 	$(top_srcdir)/configure $(am__configure_deps) \
@@ -321,7 +320,7 @@ GO_SPLIT_STACK = @GO_SPLIT_STACK@
 GO_SYSCALL_OS_ARCH_FILE = @GO_SYSCALL_OS_ARCH_FILE@
 GO_SYSCALL_OS_FILE = @GO_SYSCALL_OS_FILE@
 GREP = @GREP@
-HWCAP_LDFLAGS = @HWCAP_LDFLAGS@
+HWCAP_CFLAGS = @HWCAP_CFLAGS@
 INSTALL = @INSTALL@
 INSTALL_DATA = @INSTALL_DATA@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@
@@ -459,11 +458,11 @@ AM_CPPFLAGS = -I $(srcdir)/runtime $(LIBFFIINCS) $(PTHREAD_CFLAGS)
 ACLOCAL_AMFLAGS = -I ./config -I ../config
 AM_CFLAGS = -fexceptions -fnon-call-exceptions -fplan9-extensions \
 	$(SPLIT_STACK) $(WARN_CFLAGS) \
-	$(STRINGOPS_FLAG) $(OSCFLAGS) \
+	$(STRINGOPS_FLAG) $(HWCAP_CFLAGS) $(OSCFLAGS) \
 	-I $(srcdir)/../libgcc -I $(srcdir)/../libbacktrace \
 	-I $(MULTIBUILDTOP)../../gcc/include
 
-AM_LDFLAGS = $(HWCAP_LDFLAGS) $(am__append_1)
+@USING_SPLIT_STACK_TRUE@AM_LDFLAGS = -XCClinker $(SPLIT_STACK)
 
 # Multilib support.
 MAKEOVERRIDES = 
@@ -1120,7 +1119,7 @@ CHECK_DEPS = $(toolexeclibgo_DATA) $(toolexeclibgoarchive_DATA) \
 	$(toolexeclibgorpc_DATA) $(toolexeclibgoruntime_DATA) \
 	$(toolexeclibgosync_DATA) $(toolexeclibgotesting_DATA) \
 	$(toolexeclibgotext_DATA) $(toolexeclibgotexttemplate_DATA) \
-	$(toolexeclibgounicode_DATA) $(am__append_2) $(am__append_3)
+	$(toolexeclibgounicode_DATA) $(am__append_1) $(am__append_2)
 
 # Pass -ffp-contract=off, or 386-specific options, when building the
 # math package.  MATH_FLAG is defined in configure.ac.
diff --git a/libgo/configure b/libgo/configure
index 2cd3908..06532d3 100755
--- a/libgo/configure
+++ b/libgo/configure
@@ -624,9 +624,7 @@ GO_SPLIT_STACK
 USING_SPLIT_STACK_FALSE
 USING_SPLIT_STACK_TRUE
 SPLIT_STACK
-HAVE_HWCAP_FALSE
-HAVE_HWCAP_TRUE
-HWCAP_LDFLAGS
+HWCAP_CFLAGS
 OSCFLAGS
 GO_SYSCALL_OS_ARCH_FILE
 GO_SYSCALL_OS_FILE
@@ -11106,7 +11104,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11109 "configure"
+#line 11107 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11212,7 +11210,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11215 "configure"
+#line 11213 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -13912,15 +13910,18 @@ esac
 
 
 
-  test -z "$HWCAP_LDFLAGS" && HWCAP_LDFLAGS=''
+  test -z "$HWCAP_CFLAGS" && HWCAP_CFLAGS=''
 
+  # Restrict the test to Solaris, other assemblers (e.g. AIX as) have -nH
+  # with a different meaning.
+  case ${target_os} in
+    solaris2*)
+      ac_save_CFLAGS="$CFLAGS"
+      CFLAGS="$CFLAGS -Wa,-nH"
 
-  ac_save_LDFLAGS="$LDFLAGS"
-  LDFLAGS="$LFLAGS -mclear-hwcap"
-
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -mclear-hwcap" >&5
-$as_echo_n "checking for -mclear-hwcap... " >&6; }
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for as that supports -Wa,-nH" >&5
+$as_echo_n "checking for as that supports -Wa,-nH... " >&6; }
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -13931,31 +13932,23 @@ return 0;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_hwcap_ldflags=yes
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_hwcap_flags=yes
 else
-  ac_hwcap_ldflags=no
+  ac_hwcap_flags=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-  if test "$ac_hwcap_ldflags" = "yes"; then
-    HWCAP_LDFLAGS="-mclear-hwcap $HWCAP_LDFLAGS"
-  fi
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_hwcap_ldflags" >&5
-$as_echo "$ac_hwcap_ldflags" >&6; }
-
-  LDFLAGS="$ac_save_LDFLAGS"
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+      if test "$ac_hwcap_flags" = "yes"; then
+	HWCAP_CFLAGS="-Wa,-nH $HWCAP_CFLAGS"
+      fi
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_hwcap_flags" >&5
+$as_echo "$ac_hwcap_flags" >&6; }
 
+      CFLAGS="$ac_save_CFLAGS"
+      ;;
+  esac
 
 
-   if test $ac_hwcap_ldflags != no; then
-  HAVE_HWCAP_TRUE=
-  HAVE_HWCAP_FALSE='#'
-else
-  HAVE_HWCAP_TRUE='#'
-  HAVE_HWCAP_FALSE=
-fi
-
 
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -fsplit-stack is supported" >&5
@@ -15764,10 +15757,6 @@ if test -z "${LIBGO_IS_BSD_TRUE}" && test -z "${LIBGO_IS_BSD_FALSE}"; then
   as_fn_error "conditional \"LIBGO_IS_BSD\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
-if test -z "${HAVE_HWCAP_TRUE}" && test -z "${HAVE_HWCAP_FALSE}"; then
-  as_fn_error "conditional \"HAVE_HWCAP\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
 if test -z "${USING_SPLIT_STACK_TRUE}" && test -z "${USING_SPLIT_STACK_FALSE}"; then
   as_fn_error "conditional \"USING_SPLIT_STACK\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
diff --git a/libgo/configure.ac b/libgo/configure.ac
index a326730..6deafda 100644
--- a/libgo/configure.ac
+++ b/libgo/configure.ac
@@ -421,8 +421,8 @@ case "$target" in
 esac
 AC_SUBST(OSCFLAGS)
 
-dnl Check linker hardware capability support.
-GCC_CHECK_LINKER_HWCAP
+dnl Check if assembler supports disabling hardware capability support.
+GCC_CHECK_ASSEMBLER_HWCAP
 
 dnl Use -fsplit-stack when compiling C code if available.
 AC_CACHE_CHECK([whether -fsplit-stack is supported],
diff --git a/libgo/testsuite/Makefile.in b/libgo/testsuite/Makefile.in
index f059021..79da1c9 100644
--- a/libgo/testsuite/Makefile.in
+++ b/libgo/testsuite/Makefile.in
@@ -124,7 +124,7 @@ GO_SPLIT_STACK = @GO_SPLIT_STACK@
 GO_SYSCALL_OS_ARCH_FILE = @GO_SYSCALL_OS_ARCH_FILE@
 GO_SYSCALL_OS_FILE = @GO_SYSCALL_OS_FILE@
 GREP = @GREP@
-HWCAP_LDFLAGS = @HWCAP_LDFLAGS@
+HWCAP_CFLAGS = @HWCAP_CFLAGS@
 INSTALL = @INSTALL@
 INSTALL_DATA = @INSTALL_DATA@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@