libgo/configure: Fixes for Solaris 8 and cross-compilation.

From Rainer Orth.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@184092 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 44 insertions, 4 deletions

diff --git a/libgo/configure b/libgo/configure
index a93b0515dd9..6bb35a65728 100755
--- a/libgo/configure
+++ b/libgo/configure
@@ -14818,12 +14818,51 @@ $as_echo_n "checking whether setcontext clobbers TLS variables... " >&6; }
 if test "${libgo_cv_lib_setcontext_clobbers_tls+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
-  LIBS_hold="$LIBS"
+  CFLAGS_hold="$CFLAGS"
+CFLAGS="$PTHREAD_CFLAGS"
+LIBS_hold="$LIBS"
 LIBS="$LIBS $PTHREAD_LIBS"
+# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of void *" >&5
+$as_echo_n "checking size of void *... " >&6; }
+if test "${ac_cv_sizeof_void_p+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (void *))" "ac_cv_sizeof_void_p"        "$ac_includes_default"; then :
+
+else
+  if test "$ac_cv_type_void_p" = yes; then
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+{ as_fn_set_status 77
+as_fn_error "cannot compute sizeof (void *)
+See \`config.log' for more details." "$LINENO" 5; }; }
+   else
+     ac_cv_sizeof_void_p=0
+   fi
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_void_p" >&5
+$as_echo "$ac_cv_sizeof_void_p" >&6; }
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_VOID_P $ac_cv_sizeof_void_p
+_ACEOF
+
+
+as_fn_arith $ac_cv_sizeof_void_p \* 8 && ptr_type_size=$as_val
 if test "$cross_compiling" = yes; then :
-  case "$target" in
-  x86_64*-*-solaris2.10) libgo_cv_lib_setcontext_clobbers_tls=yes ;;
-  *) libgo_cv_lib_setcontext_clobbers_tls=no ;;
+  case "$target:$ptr_type_size" in
+  i?86-*-solaris2.1[01]:64 | x86_64*-*-solaris2.1[01]:64)
+    libgo_cv_lib_setcontext_clobbers_tls=yes ;;
+  *)
+    libgo_cv_lib_setcontext_clobbers_tls=no ;;
  esac
 
 else
@@ -14900,6 +14939,7 @@ rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
   conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
+CFLAGS="$CFLAGS_hold"
 LIBS="$LIBS_hold"
 
 fi