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[thirdparty/glibc.git] / sysdeps / alpha / Makefile

diff --git a/sysdeps/alpha/Makefile b/sysdeps/alpha/Makefile
index 63c7d4bba0c87dbf97d3dc637457ee1f5aa5c2bc..cf20ef3f7b76fe59eab609ff021e6aac068bddc6 100644 (file)
--- a/sysdeps/alpha/Makefile
+++ b/sysdeps/alpha/Makefile
@@ -1,32 +1,36 @@
-# Copyright (C) 1993, 94, 95, 96, 97, 99 Free Software Foundation, Inc.
+# Copyright (C) 1993-2019 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 # Contributed by Brendan Kehoe (brendan@zen.org).
 
 # The GNU C Library is free software; you can redistribute it and/or
-# modify it under the terms of the GNU Library General Public License
-# as published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
 
 # The GNU C Library is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-# Library General Public License for more details.
+# Lesser General Public License for more details.
 
-# You should have received a copy of the GNU Library General Public
-# License along with the GNU C Library; see the file COPYING.LIB.  If not,
-# write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-# Boston, MA 02111-1307, USA.
+# You should have received a copy of the GNU Lesser General Public
+# License along with the GNU C Library.  If not, see
+# <https://www.gnu.org/licenses/>.
 
 ifeq ($(subdir),db2)
 CPPFLAGS += -DHAVE_SPINLOCKS=1 -DHAVE_ASSEM_ALPHA=1
 endif
 
+ifeq ($(subdir),debug)
+# Consider making this GCC's default...
+CFLAGS-backtrace.c = -fasynchronous-unwind-tables
+endif
+
 ifeq ($(subdir),gmon)
 sysdep_routines += _mcount
 endif
 
 ifeq ($(subdir),gnulib)
-sysdep_routines += $(divrem)
+sysdep_routines += divl divlu divq divqu reml remlu remq remqu
 endif
 
 ifeq ($(subdir),string)
@@ -38,8 +42,33 @@ ifeq ($(subdir),elf)
 CFLAGS-rtld.c = -mbuild-constants
 endif
 
-divrem := divl divq reml remq
+ifeq ($(subdir),math)
+# The fma routines rely on inexact being raised for correct results.
+CFLAGS-s_fma.c = -mieee-with-inexact
+CFLAGS-s_fmaf.c = -mieee-with-inexact
+# This test tries to check for inexact being raised by arithmetic.
+CFLAGS-test-misc.c += -mieee-with-inexact
+# Avoid "conflicting types for built-in function" warnings
+CFLAGS-s_isnan.c += -fno-builtin-isnanf
+endif
+
+# Build everything with full IEEE math support, and with dynamic rounding;
+# there are a number of math routines that are defined to work with the
+# "current" rounding mode, and it's easiest to set this with all of them.
+sysdep-CFLAGS += -mieee -mfp-rounding-mode=d
+
+# libc.so requires about 16k for the small data area, which is well
+# below the 64k maximum.
+pic-ccflag = -fpic
 
-# For now, build everything with full IEEE math support.
-# TODO: build separate libm and libm-ieee.
-sysdep-CFLAGS += -mieee
+#  Software floating-point emulation.
+
+ifeq ($(subdir),soft-fp)
+sysdep_routines += ots_add ots_sub ots_mul ots_div ots_cmp ots_cmpe    \
+       ots_cvtxq ots_cvtqx ots_cvtqux ots_cvttx ots_cvtxt ots_nintxq   \
+       fraiseexcpt
+endif
+
+ifeq ($(subdir),math)
+CPPFLAGS += -I../soft-fp
+endif