1# 2# SPDX-License-Identifier: BSD-3-Clause 3# 4# Copyright © 2019 Keith Packard 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions 8# are met: 9# 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 13# 2. Redistributions in binary form must reproduce the above 14# copyright notice, this list of conditions and the following 15# disclaimer in the documentation and/or other materials provided 16# with the distribution. 17# 18# 3. Neither the name of the copyright holder nor the names of its 19# contributors may be used to endorse or promote products derived 20# from this software without specific prior written permission. 21# 22# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 24# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 25# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 26# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 27# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 28# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 29# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 31# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 33# OF THE POSSIBILITY OF SUCH DAMAGE. 34# 35libm_machine_dirs = { 36 'aarch64' : 'aarch64', 37 'arm' : 'arm', 38 'i386' : 'i386', 39 'i486' : 'i386', 40 'i586' : 'i386', 41 'i686' : 'i386', 42 'nds32' : 'nds32', 43 'riscv' : 'riscv', 44 'riscv64' : 'riscv', 45 'spu' : 'spu', 46 'xtensa': 'xtensa', 47 } 48 49libdirs = ['math', 'common', 'complex'] 50 51libnames = libdirs 52 53need_generic_fenv = true 54 55if libm_machine_dirs.has_key(host_cpu) 56 libm_machine_dir = join_paths('machine', libm_machine_dirs[host_cpu]) 57 libdirs = [libm_machine_dir] + libdirs 58 libnames = ['machine'] + libnames 59 if run_command('test', '-f', join_paths(libm_machine_dir, 'fegetenv.c')).returncode() == 0 60 need_generic_fenv = false 61 endif 62else 63 warning('No libm machine directory for cpu ' + host_cpu) 64endif 65 66if need_generic_fenv 67 libdirs = ['fenv'] + libdirs 68 libnames = ['fenv'] + libnames 69endif 70 71math_inc = [include_directories('common'), inc] 72 73foreach libdir : libdirs 74 subdir(libdir) 75endforeach 76 77foreach target : targets 78 value = get_variable('target_' + target) 79 libobjs = [] 80 81 foreach libname : libnames 82 libobjs += get_variable('lib_' + libname + target).extract_all_objects(recursive:true) 83 endforeach 84 85 instdir = join_paths(get_option('libdir'), value[0]) 86 87 if target == '' 88 libm_name = 'm' 89 else 90 libm_name = join_paths(target, 'libm') 91 endif 92 93 set_variable('lib_m' + target, 94 static_library(libm_name, 95 install : true, 96 install_dir : instdir, 97 pic: false, 98 objects : libobjs)) 99endforeach 100 101if enable_tests 102 subdir('test') 103endif 104 105