1 | #! /usr/bin/env python |
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2 | # encoding: utf-8 |
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3 | # WARNING! Do not edit! http://waf.googlecode.com/git/docs/wafbook/single.html#_obtaining_the_waf_file |
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4 | |
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5 | import re,shutil,os,sys,string,shlex |
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6 | from waflib.Configure import conf |
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7 | from waflib.TaskGen import feature,after_method,before_method |
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8 | from waflib import Build,Utils |
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9 | FC_FRAGMENT=' program main\n end program main\n' |
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10 | FC_FRAGMENT2=' PROGRAM MAIN\n END\n' |
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11 | @conf |
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12 | def fc_flags(conf): |
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13 | v=conf.env |
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14 | v['FC_SRC_F']=[] |
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15 | v['FC_TGT_F']=['-c','-o'] |
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16 | v['FCINCPATH_ST']='-I%s' |
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17 | v['FCDEFINES_ST']='-D%s' |
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18 | if not v['LINK_FC']:v['LINK_FC']=v['FC'] |
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19 | v['FCLNK_SRC_F']=[] |
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20 | v['FCLNK_TGT_F']=['-o'] |
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21 | v['FCFLAGS_fcshlib']=['-fpic'] |
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22 | v['LINKFLAGS_fcshlib']=['-shared'] |
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23 | v['fcshlib_PATTERN']='lib%s.so' |
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24 | v['fcstlib_PATTERN']='lib%s.a' |
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25 | v['FCLIB_ST']='-l%s' |
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26 | v['FCLIBPATH_ST']='-L%s' |
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27 | v['FCSTLIB_ST']='-l%s' |
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28 | v['FCSTLIBPATH_ST']='-L%s' |
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29 | v['FCSTLIB_MARKER']='-Wl,-Bstatic' |
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30 | v['FCSHLIB_MARKER']='-Wl,-Bdynamic' |
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31 | v['SONAME_ST']='-Wl,-h,%s' |
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32 | @conf |
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33 | def fc_add_flags(conf): |
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34 | conf.add_os_flags('FCFLAGS') |
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35 | conf.add_os_flags('LDFLAGS','LINKFLAGS') |
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36 | @conf |
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37 | def check_fortran(self,*k,**kw): |
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38 | self.check_cc(fragment=FC_FRAGMENT,compile_filename='test.f',features='fc fcprogram',msg='Compiling a simple fortran app') |
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39 | @conf |
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40 | def check_fc(self,*k,**kw): |
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41 | kw['compiler']='fc' |
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42 | if not'compile_mode'in kw: |
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43 | kw['compile_mode']='fc' |
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44 | if not'type'in kw: |
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45 | kw['type']='fcprogram' |
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46 | if not'compile_filename'in kw: |
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47 | kw['compile_filename']='test.f90' |
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48 | if not'code'in kw: |
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49 | kw['code']=FC_FRAGMENT |
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50 | return self.check(*k,**kw) |
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51 | @conf |
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52 | def fortran_modifier_darwin(conf): |
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53 | v=conf.env |
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54 | v['FCFLAGS_fcshlib']=['-fPIC'] |
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55 | v['LINKFLAGS_fcshlib']=['-dynamiclib','-Wl,-compatibility_version,1','-Wl,-current_version,1'] |
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56 | v['fcshlib_PATTERN']='lib%s.dylib' |
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57 | v['FRAMEWORKPATH_ST']='-F%s' |
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58 | v['FRAMEWORK_ST']='-framework %s' |
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59 | v['LINKFLAGS_fcstlib']=[] |
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60 | v['FCSHLIB_MARKER']='' |
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61 | v['FCSTLIB_MARKER']='' |
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62 | v['SONAME_ST']='' |
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63 | @conf |
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64 | def fortran_modifier_win32(conf): |
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65 | v=conf.env |
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66 | v['fcprogram_PATTERN']=v['fcprogram_test_PATTERN']='%s.exe' |
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67 | v['fcshlib_PATTERN']='%s.dll' |
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68 | v['implib_PATTERN']='lib%s.dll.a' |
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69 | v['IMPLIB_ST']='-Wl,--out-implib,%s' |
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70 | v['FCFLAGS_fcshlib']=[] |
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71 | v.append_value('FCFLAGS_fcshlib',['-DDLL_EXPORT']) |
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72 | v.append_value('LINKFLAGS',['-Wl,--enable-auto-import']) |
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73 | @conf |
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74 | def fortran_modifier_cygwin(conf): |
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75 | fortran_modifier_win32(conf) |
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76 | v=conf.env |
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77 | v['fcshlib_PATTERN']='cyg%s.dll' |
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78 | v.append_value('LINKFLAGS_fcshlib',['-Wl,--enable-auto-image-base']) |
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79 | v['FCFLAGS_fcshlib']=[] |
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80 | @conf |
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81 | def check_fortran_dummy_main(self,*k,**kw): |
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82 | if not self.env.CC: |
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83 | self.fatal('A c compiler is required for check_fortran_dummy_main') |
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84 | lst=['MAIN__','__MAIN','_MAIN','MAIN_','MAIN'] |
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85 | lst.extend([m.lower()for m in lst]) |
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86 | lst.append('') |
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87 | self.start_msg('Detecting whether we need a dummy main') |
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88 | for main in lst: |
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89 | kw['fortran_main']=main |
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90 | try: |
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91 | self.check_cc(fragment='int %s() { return 0; }\n'%(main or'test'),features='c fcprogram',mandatory=True) |
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92 | if not main: |
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93 | self.env.FC_MAIN=-1 |
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94 | self.end_msg('no') |
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95 | else: |
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96 | self.env.FC_MAIN=main |
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97 | self.end_msg('yes %s'%main) |
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98 | break |
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99 | except self.errors.ConfigurationError: |
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100 | pass |
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101 | else: |
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102 | self.end_msg('not found') |
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103 | self.fatal('could not detect whether fortran requires a dummy main, see the config.log') |
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104 | GCC_DRIVER_LINE=re.compile('^Driving:') |
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105 | POSIX_STATIC_EXT=re.compile('\S+\.a') |
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106 | POSIX_LIB_FLAGS=re.compile('-l\S+') |
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107 | @conf |
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108 | def is_link_verbose(self,txt): |
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109 | assert isinstance(txt,str) |
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110 | for line in txt.splitlines(): |
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111 | if not GCC_DRIVER_LINE.search(line): |
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112 | if POSIX_STATIC_EXT.search(line)or POSIX_LIB_FLAGS.search(line): |
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113 | return True |
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114 | return False |
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115 | @conf |
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116 | def check_fortran_verbose_flag(self,*k,**kw): |
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117 | self.start_msg('fortran link verbose flag') |
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118 | for x in['-v','--verbose','-verbose','-V']: |
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119 | try: |
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120 | self.check_cc(features='fc fcprogram_test',fragment=FC_FRAGMENT2,compile_filename='test.f',linkflags=[x],mandatory=True) |
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121 | except self.errors.ConfigurationError: |
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122 | pass |
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123 | else: |
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124 | if self.is_link_verbose(self.test_bld.err)or self.is_link_verbose(self.test_bld.out): |
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125 | self.end_msg(x) |
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126 | break |
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127 | else: |
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128 | self.end_msg('failure') |
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129 | self.fatal('Could not obtain the fortran link verbose flag (see config.log)') |
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130 | self.env.FC_VERBOSE_FLAG=x |
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131 | return x |
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132 | LINKFLAGS_IGNORED=[r'-lang*',r'-lcrt[a-zA-Z0-9\.]*\.o',r'-lc$',r'-lSystem',r'-libmil',r'-LIST:*',r'-LNO:*'] |
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133 | if os.name=='nt': |
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134 | LINKFLAGS_IGNORED.extend([r'-lfrt*',r'-luser32',r'-lkernel32',r'-ladvapi32',r'-lmsvcrt',r'-lshell32',r'-lmingw',r'-lmoldname']) |
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135 | else: |
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136 | LINKFLAGS_IGNORED.append(r'-lgcc*') |
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137 | RLINKFLAGS_IGNORED=[re.compile(f)for f in LINKFLAGS_IGNORED] |
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138 | def _match_ignore(line): |
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139 | for i in RLINKFLAGS_IGNORED: |
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140 | if i.match(line): |
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141 | return True |
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142 | return False |
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143 | def parse_fortran_link(lines): |
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144 | final_flags=[] |
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145 | for line in lines: |
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146 | if not GCC_DRIVER_LINE.match(line): |
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147 | _parse_flink_line(line,final_flags) |
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148 | return final_flags |
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149 | SPACE_OPTS=re.compile('^-[LRuYz]$') |
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150 | NOSPACE_OPTS=re.compile('^-[RL]') |
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151 | def _parse_flink_line(line,final_flags): |
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152 | lexer=shlex.shlex(line,posix=True) |
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153 | lexer.whitespace_split=True |
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154 | t=lexer.get_token() |
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155 | tmp_flags=[] |
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156 | while t: |
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157 | def parse(token): |
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158 | if _match_ignore(token): |
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159 | pass |
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160 | elif token.startswith('-lkernel32')and sys.platform=='cygwin': |
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161 | tmp_flags.append(token) |
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162 | elif SPACE_OPTS.match(token): |
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163 | t=lexer.get_token() |
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164 | if t.startswith('P,'): |
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165 | t=t[2:] |
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166 | for opt in t.split(os.pathsep): |
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167 | tmp_flags.append('-L%s'%opt) |
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168 | elif NOSPACE_OPTS.match(token): |
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169 | tmp_flags.append(token) |
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170 | elif POSIX_LIB_FLAGS.match(token): |
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171 | tmp_flags.append(token) |
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172 | else: |
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173 | pass |
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174 | t=lexer.get_token() |
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175 | return t |
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176 | t=parse(t) |
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177 | final_flags.extend(tmp_flags) |
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178 | return final_flags |
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179 | @conf |
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180 | def check_fortran_clib(self,autoadd=True,*k,**kw): |
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181 | if not self.env.FC_VERBOSE_FLAG: |
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182 | self.fatal('env.FC_VERBOSE_FLAG is not set: execute check_fortran_verbose_flag?') |
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183 | self.start_msg('Getting fortran runtime link flags') |
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184 | try: |
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185 | self.check_cc(fragment=FC_FRAGMENT2,compile_filename='test.f',features='fc fcprogram_test',linkflags=[self.env.FC_VERBOSE_FLAG]) |
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186 | except Exception: |
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187 | self.end_msg(False) |
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188 | if kw.get('mandatory',True): |
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189 | conf.fatal('Could not find the c library flags') |
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190 | else: |
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191 | out=self.test_bld.err |
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192 | flags=parse_fortran_link(out.splitlines()) |
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193 | self.end_msg('ok (%s)'%' '.join(flags)) |
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194 | self.env.LINKFLAGS_CLIB=flags |
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195 | return flags |
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196 | return[] |
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197 | def getoutput(conf,cmd,stdin=False): |
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198 | if stdin: |
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199 | stdin=Utils.subprocess.PIPE |
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200 | else: |
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201 | stdin=None |
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202 | env=conf.env.env or None |
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203 | try: |
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204 | p=Utils.subprocess.Popen(cmd,stdin=stdin,stdout=Utils.subprocess.PIPE,stderr=Utils.subprocess.PIPE,env=env) |
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205 | if stdin: |
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206 | p.stdin.write('\n') |
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207 | out,err=p.communicate() |
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208 | except Exception: |
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209 | conf.fatal('could not determine the compiler version %r'%cmd) |
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210 | if not isinstance(out,str): |
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211 | out=out.decode(sys.stdout.encoding or'iso8859-1') |
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212 | if not isinstance(err,str): |
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213 | err=err.decode(sys.stdout.encoding or'iso8859-1') |
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214 | return(out,err) |
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215 | ROUTINES_CODE="""\ |
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216 | subroutine foobar() |
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217 | return |
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218 | end |
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219 | subroutine foo_bar() |
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220 | return |
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221 | end |
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222 | """ |
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223 | MAIN_CODE=""" |
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224 | void %(dummy_func_nounder)s(void); |
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225 | void %(dummy_func_under)s(void); |
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226 | int %(main_func_name)s() { |
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227 | %(dummy_func_nounder)s(); |
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228 | %(dummy_func_under)s(); |
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229 | return 0; |
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230 | } |
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231 | """ |
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232 | @feature('link_main_routines_func') |
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233 | @before_method('process_source') |
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234 | def link_main_routines_tg_method(self): |
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235 | def write_test_file(task): |
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236 | task.outputs[0].write(task.generator.code) |
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237 | bld=self.bld |
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238 | bld(rule=write_test_file,target='main.c',code=MAIN_CODE%self.__dict__) |
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239 | bld(rule=write_test_file,target='test.f',code=ROUTINES_CODE) |
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240 | bld(features='fc fcstlib',source='test.f',target='test') |
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241 | bld(features='c fcprogram',source='main.c',target='app',use='test') |
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242 | def mangling_schemes(): |
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243 | for u in['_','']: |
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244 | for du in['','_']: |
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245 | for c in["lower","upper"]: |
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246 | yield(u,du,c) |
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247 | def mangle_name(u,du,c,name): |
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248 | return getattr(name,c)()+u+(name.find('_')!=-1 and du or'') |
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249 | @conf |
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250 | def check_fortran_mangling(self,*k,**kw): |
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251 | if not self.env.CC: |
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252 | self.fatal('A c compiler is required for link_main_routines') |
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253 | if not self.env.FC: |
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254 | self.fatal('A fortran compiler is required for link_main_routines') |
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255 | if not self.env.FC_MAIN: |
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256 | self.fatal('Checking for mangling requires self.env.FC_MAIN (execute "check_fortran_dummy_main" first?)') |
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257 | self.start_msg('Getting fortran mangling scheme') |
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258 | for(u,du,c)in mangling_schemes(): |
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259 | try: |
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260 | self.check_cc(compile_filename=[],features='link_main_routines_func',msg='nomsg',errmsg='nomsg',mandatory=True,dummy_func_nounder=mangle_name(u,du,c,"foobar"),dummy_func_under=mangle_name(u,du,c,"foo_bar"),main_func_name=self.env.FC_MAIN) |
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261 | except self.errors.ConfigurationError: |
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262 | pass |
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263 | else: |
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264 | self.end_msg("ok ('%s', '%s', '%s-case')"%(u,du,c)) |
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265 | self.env.FORTRAN_MANGLING=(u,du,c) |
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266 | break |
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267 | else: |
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268 | self.end_msg(False) |
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269 | self.fatal('mangler not found') |
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270 | return(u,du,c) |
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271 | @feature('pyext') |
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272 | @before_method('propagate_uselib_vars','apply_link') |
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273 | def set_lib_pat(self): |
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274 | self.env['fcshlib_PATTERN']=self.env['pyext_PATTERN'] |
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275 | @conf |
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276 | def detect_openmp(self): |
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277 | for x in['-fopenmp','-openmp','-mp','-xopenmp','-omp','-qsmp=omp']: |
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278 | try: |
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279 | self.check_fc(msg='Checking for OpenMP flag %s'%x,fragment='program main\n call omp_get_num_threads()\nend program main',fcflags=x,linkflags=x,uselib_store='OPENMP') |
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280 | except self.errors.ConfigurationError: |
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281 | pass |
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282 | else: |
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283 | break |
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284 | else: |
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285 | self.fatal('Could not find OpenMP') |
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