gcc/config/loongarch/t-linux

   1 # Copyright (C) 2021-2023 Free Software Foundation, Inc.
   2 #
   3 # This file is part of GCC.
   4 #
   5 # GCC is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3, or (at your option)
   8 # any later version.
   9 #
  10 # GCC is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with GCC; see the file COPYING3.  If not see
  17 # <http://www.gnu.org/licenses/>.
  18
  19 # Multilib
  20 MULTILIB_OPTIONS = mabi=lp64d/mabi=lp64f/mabi=lp64s
  21 MULTILIB_DIRNAMES = base/lp64d base/lp64f base/lp64s
  22
  23 # The GCC driver always gets all abi-related options on the command line.
  24 # (see loongarch-driver.c:driver_get_normalized_m_opts)
  25 comma=,
  26 MULTILIB_REQUIRED = $(foreach mlib,$(subst $(comma), ,$(TM_MULTILIB_CONFIG)),\
  27         $(firstword $(subst /, ,$(mlib))))
  28
  29 SPECS = specs.install
  30
  31 # temporary self_spec when building libraries (e.g. libgcc)
  32 gen_mlib_spec = $(if $(word 2,$1),\
  33         %{$(firstword $1):$(patsubst %,-%,$(wordlist 2,$(words $1),$1))})
  34
  35 # clean up the result of DRIVER_SELF_SPEC to avoid conflict
  36 lib_build_self_spec  = %<march=* %<mtune=* %<mcmodel=* %<mfpu=* %<msimd=*
  37
  38 # append user-specified build options from --with-multilib-list
  39 lib_build_self_spec += $(foreach mlib,\
  40         $(subst $(comma), ,$(TM_MULTILIB_CONFIG)),\
  41         $(call gen_mlib_spec,$(subst /, ,$(mlib))))
  42
  43 specs: specs.install
  44         sed '/^*self_spec:$$/{ n;s/^$$/$(lib_build_self_spec)/g; }' $< > $@
  45
  46 # Do some preparation before regression tests:
  47 # remove lib-build-specs / make symlinks for the toplevel multilib variant
  48
  49 LA_DEFAULT_MULTISUBDIR = $(shell $(GCC_FOR_TARGET) --print-multi-dir)
  50 .PHONY: remove-lib-specs
  51 check check-host check-target $(CHECK_TARGETS) $(lang_checks): remove-lib-specs
  52 remove-lib-specs:
  53         -mv -f specs.install specs 2>/dev/null
  54         -mv $(LA_DEFAULT_MULTISUBDIR)/* ./
  55         -mkdir -p ../$(target_noncanonical)/`dirname $(LA_DEFAULT_MULTISUBDIR)`
  56         -$(LN_S) .. ../$(target_noncanonical)/$(LA_DEFAULT_MULTISUBDIR)
  57
  58 # Multiarch
  59 ifneq ($(call if_multiarch,yes),yes)
  60     # Define LA_DISABLE_MULTIARCH if multiarch is disabled.
  61     tm_defines += LA_DISABLE_MULTIARCH
  62 else
  63     # Only define MULTIARCH_DIRNAME when multiarch is enabled,
  64     # or it would always introduce ${target} into the search path.
  65     MULTIARCH_DIRNAME = $(LA_MULTIARCH_TRIPLET)
  66 endif
  67
  68 # Don't define MULTILIB_OSDIRNAMES if multilib is disabled.
  69 ifeq ($(filter LA_DISABLE_MULTILIB,$(tm_defines)),)
  70
  71     MULTILIB_OSDIRNAMES = \
  72       mabi.lp64d=../lib64$\
  73       $(call if_multiarch,:loongarch64-linux-gnu)
  74
  75     MULTILIB_OSDIRNAMES += \
  76       mabi.lp64f=../lib64/f32$\
  77       $(call if_multiarch,:loongarch64-linux-gnuf32)
  78
  79     MULTILIB_OSDIRNAMES += \
  80       mabi.lp64s=../lib64/sf$\
  81       $(call if_multiarch,:loongarch64-linux-gnusf)
  82
  83 endif