gcc/testsuite/lib/atomic-dg.exp

   1 # Copyright (C) 2013-2024 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with GCC; see the file COPYING3.  If not see
  15 # <http://www.gnu.org/licenses/>.
  16
  17 #
  18 # atomic_link_flags -- compute library path and flags to find libatomic.
  19 # (originally from g++.exp)
  20 #
  21
  22 proc atomic_link_flags { paths } {
  23     global srcdir
  24     global ld_library_path
  25     global shlib_ext
  26
  27     set gccpath ${paths}
  28     set flags ""
  29
  30     set shlib_ext [get_shlib_extension]
  31
  32     if { $gccpath != "" } {
  33       if { [file exists "${gccpath}/libatomic/.libs/libatomic.a"]
  34            || [file exists "${gccpath}/libatomic/.libs/libatomic.${shlib_ext}"] } {
  35           append flags " -B${gccpath}/libatomic/ "
  36           append flags " -B${gccpath}/libatomic/.libs"
  37           append ld_library_path ":${gccpath}/libatomic/.libs"
  38       }
  39     } else {
  40       global tool_root_dir
  41
  42       set libatomic [lookfor_file ${tool_root_dir} libatomic]
  43       if { $libatomic != "" } {
  44           append flags "-L${libatomic} "
  45           append ld_library_path ":${libatomic}"
  46       }
  47     }
  48
  49     set_ld_library_path_env_vars
  50
  51     return "$flags"
  52 }
  53
  54 #
  55 # atomic_init -- called at the start of each subdir of tests
  56 #
  57
  58 proc atomic_init { args } {
  59     global TEST_ALWAYS_FLAGS
  60     global ALWAYS_CXXFLAGS
  61     global TOOL_OPTIONS
  62     global atomic_saved_TEST_ALWAYS_FLAGS
  63     global atomic_saved_ALWAYS_CXXFLAGS
  64
  65     set link_flags ""
  66     if ![is_remote host] {
  67         if [info exists TOOL_OPTIONS] {
  68             set link_flags "[atomic_link_flags [get_multilibs ${TOOL_OPTIONS}]]"
  69         } else {
  70             set link_flags "[atomic_link_flags [get_multilibs]]"
  71         }
  72     }
  73
  74     append link_flags " -latomic "
  75
  76     if [info exists TEST_ALWAYS_FLAGS] {
  77         set atomic_saved_TEST_ALWAYS_FLAGS $TEST_ALWAYS_FLAGS
  78     }
  79     if [info exists ALWAYS_CXXFLAGS] {
  80         set atomic_saved_ALWAYS_CXXFLAGS $ALWAYS_CXXFLAGS
  81         set ALWAYS_CXXFLAGS [concat "{ldflags=$link_flags}" $ALWAYS_CXXFLAGS]
  82     } else {
  83         if [info exists TEST_ALWAYS_FLAGS] {
  84             set TEST_ALWAYS_FLAGS "$link_flags $TEST_ALWAYS_FLAGS"
  85         } else {
  86             set TEST_ALWAYS_FLAGS "$link_flags"
  87         }
  88     }
  89     return [check_no_compiler_messages_nocache libatomic_available executable {
  90         int main (void) { return 0; }
  91     }]
  92 }
  93
  94 #
  95 # atomic_finish -- called at the end of each subdir of tests
  96 #
  97
  98 proc atomic_finish { args } {
  99     global TEST_ALWAYS_FLAGS
 100     global atomic_saved_TEST_ALWAYS_FLAGS
 101     global atomic_saved_ALWAYS_CXXFLAGS
 102
 103     if [info exists atomic_saved_ALWAYS_CXXFLAGS] {
 104         set ALWAYS_CXXFLAGS $atomic_saved_ALWAYS_CXXFLAGS
 105     } else {
 106         if [info exists atomic_saved_TEST_ALWAYS_FLAGS] {
 107           set TEST_ALWAYS_FLAGS $atomic_saved_TEST_ALWAYS_FLAGS
 108         } else {
 109           unset TEST_ALWAYS_FLAGS
 110         }
 111     }
 112     clear_effective_target_cache
 113 }