1 | dnl test whether dirent has a d_off member
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2 | AC_DEFUN(AC_DIRENT_D_OFF,
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3 | [AC_CACHE_CHECK([for d_off in dirent], ac_cv_dirent_d_off,
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4 | [AC_TRY_COMPILE([
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5 | #include <unistd.h>
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6 | #include <sys/types.h>
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7 | #include <dirent.h>], [struct dirent d; d.d_off;],
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8 | ac_cv_dirent_d_off=yes, ac_cv_dirent_d_off=no)])
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9 | if test $ac_cv_dirent_d_off = yes; then
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10 | AC_DEFINE(HAVE_DIRENT_D_OFF,1,[Whether dirent has a d_off member])
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11 | fi
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12 | ])
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13 |
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14 | dnl Mark specified module as shared
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15 | dnl SMB_MODULE(name,static_files,shared_files,subsystem,whatif-static,whatif-shared)
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16 | AC_DEFUN(SMB_MODULE,
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17 | [
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18 | AC_MSG_CHECKING([how to build $1])
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19 | if test "$[MODULE_][$1]"; then
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20 | DEST=$[MODULE_][$1]
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21 | elif test "$[MODULE_]translit([$4], [A-Z], [a-z])" -a "$[MODULE_DEFAULT_][$1]"; then
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22 | DEST=$[MODULE_]translit([$4], [A-Z], [a-z])
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23 | else
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24 | DEST=$[MODULE_DEFAULT_][$1]
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25 | fi
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26 |
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27 | if test x"$DEST" = xSHARED; then
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28 | AC_DEFINE([$1][_init], [init_module], [Whether to build $1 as shared module])
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29 | $4_MODULES="$$4_MODULES $3"
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30 | AC_MSG_RESULT([shared])
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31 | [$6]
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32 | string_shared_modules="$string_shared_modules $1"
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33 | elif test x"$DEST" = xSTATIC; then
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34 | [init_static_modules_]translit([$4], [A-Z], [a-z])="$[init_static_modules_]translit([$4], [A-Z], [a-z]) $1_init();"
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35 | [decl_static_modules_]translit([$4], [A-Z], [a-z])="$[decl_static_modules_]translit([$4], [A-Z], [a-z]) extern NTSTATUS $1_init(void);"
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36 | string_static_modules="$string_static_modules $1"
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37 | $4_STATIC="$$4_STATIC $2"
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38 | AC_SUBST($4_STATIC)
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39 | [$5]
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40 | AC_MSG_RESULT([static])
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41 | else
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42 | string_ignored_modules="$string_ignored_modules $1"
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43 | AC_MSG_RESULT([not])
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44 | fi
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45 | ])
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46 |
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47 | AC_DEFUN(SMB_SUBSYSTEM,
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48 | [
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49 | AC_SUBST($1_STATIC)
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50 | AC_SUBST($1_MODULES)
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51 | AC_DEFINE_UNQUOTED([static_init_]translit([$1], [A-Z], [a-z]), [{$init_static_modules_]translit([$1], [A-Z], [a-z])[}], [Static init functions])
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52 | AC_DEFINE_UNQUOTED([static_decl_]translit([$1], [A-Z], [a-z]), [$decl_static_modules_]translit([$1], [A-Z], [a-z]), [Decl of Static init functions])
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53 | ifelse([$2], , :, [rm -f $2])
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54 | ])
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55 |
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56 | dnl AC_LIBTESTFUNC(lib, function, [actions if found], [actions if not found])
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57 | dnl Check for a function in a library, but don't keep adding the same library
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58 | dnl to the LIBS variable. Check whether the function is available in the
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59 | dnl current LIBS before adding the library which prevents us spuriously
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60 | dnl adding libraries for symbols that are in libc.
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61 | dnl
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62 | dnl On success, the default actions ensure that HAVE_FOO is defined. The lib
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63 | dnl is always added to $LIBS if it was found to be necessary. The caller
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64 | dnl can use SMB_REMOVE_LIB to strp this if necessary.
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65 | AC_DEFUN([AC_LIBTESTFUNC],
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66 | [
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67 | AC_CHECK_FUNCS($2,
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68 | [
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69 | # $2 was found in libc or existing $LIBS
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70 | m4_ifval([$3],
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71 | [
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72 | $3
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73 | ],
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74 | [
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75 | AC_DEFINE(translit([HAVE_$2], [a-z], [A-Z]), 1,
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76 | [Whether $2 is available])
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77 | ])
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78 | ],
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79 | [
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80 | # $2 was not found, try adding lib$1
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81 | case " $LIBS " in
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82 | *\ -l$1\ *)
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83 | m4_ifval([$4],
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84 | [
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85 | $4
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86 | ],
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87 | [
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88 | # $2 was not found and we already had lib$1
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89 | # nothing to do here by default
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90 | true
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91 | ])
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92 | ;;
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93 | *)
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94 | # $2 was not found, try adding lib$1
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95 | AC_CHECK_LIB($1, $2,
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96 | [
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97 | LIBS="-l$1 $LIBS"
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98 | m4_ifval([$3],
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99 | [
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100 | $3
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101 | ],
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102 | [
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103 | AC_DEFINE(translit([HAVE_$2], [a-z], [A-Z]), 1,
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104 | [Whether $2 is available])
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105 | ])
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106 | ],
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107 | [
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108 | m4_ifval([$4],
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109 | [
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110 | $4
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111 | ],
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112 | [
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113 | # $2 was not found in lib$1
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114 | # nothing to do here by default
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115 | true
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116 | ])
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117 | ])
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118 | ;;
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119 | esac
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120 | ])
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121 | ])
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122 |
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123 | # AC_CHECK_LIB_EXT(LIBRARY, [EXT_LIBS], [FUNCTION],
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124 | # [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
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125 | # [ADD-ACTION-IF-FOUND],[OTHER-LIBRARIES])
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126 | # ------------------------------------------------------
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127 | #
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128 | # Use a cache variable name containing both the library and function name,
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129 | # because the test really is for library $1 defining function $3, not
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130 | # just for library $1. Separate tests with the same $1 and different $3s
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131 | # may have different results.
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132 | #
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133 | # Note that using directly AS_VAR_PUSHDEF([ac_Lib], [ac_cv_lib_$1_$3])
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134 | # is asking for trouble, since AC_CHECK_LIB($lib, fun) would give
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135 | # ac_cv_lib_$lib_fun, which is definitely not what was meant. Hence
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136 | # the AS_LITERAL_IF indirection.
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137 | #
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138 | # FIXME: This macro is extremely suspicious. It DEFINEs unconditionally,
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139 | # whatever the FUNCTION, in addition to not being a *S macro. Note
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140 | # that the cache does depend upon the function we are looking for.
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141 | #
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142 | # It is on purpose we used `ac_check_lib_ext_save_LIBS' and not just
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143 | # `ac_save_LIBS': there are many macros which don't want to see `LIBS'
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144 | # changed but still want to use AC_CHECK_LIB_EXT, so they save `LIBS'.
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145 | # And ``ac_save_LIBS' is too tempting a name, so let's leave them some
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146 | # freedom.
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147 | AC_DEFUN([AC_CHECK_LIB_EXT],
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148 | [
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149 | AH_CHECK_LIB_EXT([$1])
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150 | ac_check_lib_ext_save_LIBS=$LIBS
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151 | LIBS="-l$1 $$2 $7 $LIBS"
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152 | AS_LITERAL_IF([$1],
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153 | [AS_VAR_PUSHDEF([ac_Lib_ext], [ac_cv_lib_ext_$1])],
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154 | [AS_VAR_PUSHDEF([ac_Lib_ext], [ac_cv_lib_ext_$1''])])dnl
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155 |
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156 | m4_ifval([$3],
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157 | [
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158 | AH_CHECK_FUNC_EXT([$3])
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159 | AS_LITERAL_IF([$1],
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160 | [AS_VAR_PUSHDEF([ac_Lib_func], [ac_cv_lib_ext_$1_$3])],
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161 | [AS_VAR_PUSHDEF([ac_Lib_func], [ac_cv_lib_ext_$1''_$3])])dnl
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162 | AC_CACHE_CHECK([for $3 in -l$1], ac_Lib_func,
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163 | [AC_TRY_LINK_FUNC($3,
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164 | [AS_VAR_SET(ac_Lib_func, yes);
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165 | AS_VAR_SET(ac_Lib_ext, yes)],
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166 | [AS_VAR_SET(ac_Lib_func, no);
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167 | AS_VAR_SET(ac_Lib_ext, no)])
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168 | ])
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169 | AS_IF([test AS_VAR_GET(ac_Lib_func) = yes],
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170 | [AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_$3))])dnl
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171 | AS_VAR_POPDEF([ac_Lib_func])dnl
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172 | ],[
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173 | AC_CACHE_CHECK([for -l$1], ac_Lib_ext,
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174 | [AC_TRY_LINK_FUNC([main],
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175 | [AS_VAR_SET(ac_Lib_ext, yes)],
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176 | [AS_VAR_SET(ac_Lib_ext, no)])
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177 | ])
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178 | ])
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179 | LIBS=$ac_check_lib_ext_save_LIBS
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180 |
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181 | AS_IF([test AS_VAR_GET(ac_Lib_ext) = yes],
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182 | [m4_default([$4],
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183 | [AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_LIB$1))
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184 | case "$$2" in
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185 | *-l$1*)
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186 | ;;
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187 | *)
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188 | $2="-l$1 $$2"
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189 | ;;
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190 | esac])
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191 | [$6]
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192 | ],
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193 | [$5])dnl
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194 | AS_VAR_POPDEF([ac_Lib_ext])dnl
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195 | ])# AC_CHECK_LIB_EXT
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196 |
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197 | # AH_CHECK_LIB_EXT(LIBNAME)
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198 | # ---------------------
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199 | m4_define([AH_CHECK_LIB_EXT],
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200 | [AH_TEMPLATE(AS_TR_CPP(HAVE_LIB$1),
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201 | [Define to 1 if you have the `]$1[' library (-l]$1[).])])
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202 |
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203 | # AC_CHECK_FUNCS_EXT(FUNCTION, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
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204 | # -----------------------------------------------------------------
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205 | dnl check for a function in a $LIBS and $OTHER_LIBS libraries variable.
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206 | dnl AC_CHECK_FUNC_EXT(func,OTHER_LIBS,IF-TRUE,IF-FALSE)
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207 | AC_DEFUN([AC_CHECK_FUNC_EXT],
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208 | [
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209 | AH_CHECK_FUNC_EXT($1)
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210 | ac_check_func_ext_save_LIBS=$LIBS
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211 | LIBS="$2 $LIBS"
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212 | AS_VAR_PUSHDEF([ac_var], [ac_cv_func_ext_$1])dnl
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213 | AC_CACHE_CHECK([for $1], ac_var,
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214 | [AC_LINK_IFELSE([AC_LANG_FUNC_LINK_TRY([$1])],
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215 | [AS_VAR_SET(ac_var, yes)],
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216 | [AS_VAR_SET(ac_var, no)])])
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217 | LIBS=$ac_check_func_ext_save_LIBS
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218 | AS_IF([test AS_VAR_GET(ac_var) = yes],
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219 | [AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_$1])) $3],
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220 | [$4])dnl
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221 | AS_VAR_POPDEF([ac_var])dnl
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222 | ])# AC_CHECK_FUNC
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223 |
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224 | # AH_CHECK_FUNC_EXT(FUNCNAME)
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225 | # ---------------------
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226 | m4_define([AH_CHECK_FUNC_EXT],
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227 | [AH_TEMPLATE(AS_TR_CPP(HAVE_$1),
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228 | [Define to 1 if you have the `]$1[' function.])])
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229 |
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230 | dnl Define an AC_DEFINE with ifndef guard.
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231 | dnl AC_N_DEFINE(VARIABLE [, VALUE])
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232 | define(AC_N_DEFINE,
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233 | [cat >> confdefs.h <<\EOF
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234 | [#ifndef] $1
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235 | [#define] $1 ifelse($#, 2, [$2], $#, 3, [$2], 1)
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236 | [#endif]
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237 | EOF
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238 | ])
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239 |
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240 | dnl Add an #include
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241 | dnl AC_ADD_INCLUDE(VARIABLE)
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242 | define(AC_ADD_INCLUDE,
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243 | [cat >> confdefs.h <<\EOF
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244 | [#include] $1
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245 | EOF
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246 | ])
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247 |
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248 | dnl Copied from libtool.m4
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249 | AC_DEFUN(AC_PROG_LD_GNU,
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250 | [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld,
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251 | [# I'd rather use --version here, but apparently some GNU ld's only accept -v.
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252 | if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
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253 | ac_cv_prog_gnu_ld=yes
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254 | else
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255 | ac_cv_prog_gnu_ld=no
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256 | fi])
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257 | ])
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258 |
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259 | dnl Removes -I/usr/include/? from given variable
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260 | AC_DEFUN(CFLAGS_REMOVE_USR_INCLUDE,[
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261 | ac_new_flags=""
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262 | for i in [$]$1; do
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263 | case [$]i in
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264 | -I/usr/include|-I/usr/include/) ;;
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265 | *) ac_new_flags="[$]ac_new_flags [$]i" ;;
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266 | esac
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267 | done
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268 | $1=[$]ac_new_flags
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269 | ])
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270 |
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271 | dnl Removes '-L/usr/lib[/]', '-Wl,-rpath,/usr/lib[/]'
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272 | dnl and '-Wl,-rpath -Wl,/usr/lib[/]' from given variable
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273 | AC_DEFUN(LIB_REMOVE_USR_LIB,[
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274 | ac_new_flags=""
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275 | l=""
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276 | for i in [$]$1; do
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277 | case [$]l[$]i in
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278 | -L/usr/lib) ;;
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279 | -L/usr/lib/) ;;
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280 | -Wl,-rpath,/usr/lib) ;;
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281 | -Wl,-rpath,/usr/lib/) ;;
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282 | -Wl,-rpath) l=[$]i;;
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283 | -Wl,-rpath-Wl,/usr/lib) l="";;
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284 | -Wl,-rpath-Wl,/usr/lib/) l="";;
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285 | *)
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286 | s=" "
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287 | if test x"[$]ac_new_flags" = x""; then
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288 | s="";
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289 | fi
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290 | if test x"[$]l" = x""; then
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291 | ac_new_flags="[$]ac_new_flags[$]s[$]i";
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292 | else
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293 | ac_new_flags="[$]ac_new_flags[$]s[$]l [$]i";
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294 | fi
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295 | l=""
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296 | ;;
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297 | esac
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298 | done
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299 | $1=[$]ac_new_flags
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300 | ])
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301 |
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302 | dnl From Bruno Haible.
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303 |
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304 | AC_DEFUN(jm_ICONV,
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305 | [
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306 | dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
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307 | dnl those with the standalone portable libiconv installed).
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308 | AC_MSG_CHECKING(for iconv in $1)
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309 | jm_cv_func_iconv="no"
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310 | jm_cv_lib_iconv=""
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311 | jm_cv_giconv=no
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312 | jm_save_LIBS="$LIBS"
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313 |
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314 | dnl Check for include in funny place but no lib needed
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315 | if test "$jm_cv_func_iconv" != yes; then
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316 | AC_TRY_LINK([#include <stdlib.h>
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317 | #include <giconv.h>],
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318 | [iconv_t cd = iconv_open("","");
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319 | iconv(cd,NULL,NULL,NULL,NULL);
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320 | iconv_close(cd);],
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321 | jm_cv_func_iconv=yes
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322 | jm_cv_include="giconv.h"
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323 | jm_cv_giconv="yes"
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324 | jm_cv_lib_iconv="")
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325 |
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326 | dnl Standard iconv.h include, lib in glibc or libc ...
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327 | if test "$jm_cv_func_iconv" != yes; then
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328 | AC_TRY_LINK([#include <stdlib.h>
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329 | #include <iconv.h>],
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330 | [iconv_t cd = iconv_open("","");
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331 | iconv(cd,NULL,NULL,NULL,NULL);
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332 | iconv_close(cd);],
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333 | jm_cv_include="iconv.h"
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334 | jm_cv_func_iconv=yes
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335 | jm_cv_lib_iconv="")
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336 |
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337 | if test "$jm_cv_lib_iconv" != yes; then
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338 | jm_save_LIBS="$LIBS"
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339 | LIBS="$LIBS -lgiconv"
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340 | AC_TRY_LINK([#include <stdlib.h>
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341 | #include <giconv.h>],
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342 | [iconv_t cd = iconv_open("","");
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343 | iconv(cd,NULL,NULL,NULL,NULL);
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344 | iconv_close(cd);],
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345 | jm_cv_lib_iconv=yes
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346 | jm_cv_func_iconv=yes
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347 | jm_cv_include="giconv.h"
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348 | jm_cv_giconv=yes
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349 | jm_cv_lib_iconv="giconv")
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350 |
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351 | LIBS="$jm_save_LIBS"
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352 |
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353 | if test "$jm_cv_func_iconv" != yes; then
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354 | jm_save_LIBS="$LIBS"
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355 | LIBS="$LIBS -liconv"
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356 | AC_TRY_LINK([#include <stdlib.h>
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357 | #include <iconv.h>],
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358 | [iconv_t cd = iconv_open("","");
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359 | iconv(cd,NULL,NULL,NULL,NULL);
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360 | iconv_close(cd);],
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361 | jm_cv_include="iconv.h"
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362 | jm_cv_func_iconv=yes
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363 | jm_cv_lib_iconv="iconv")
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364 | LIBS="$jm_save_LIBS"
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365 | fi
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366 | fi
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367 | fi
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368 | fi
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369 | if test "$jm_cv_func_iconv" = yes; then
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370 | if test "$jm_cv_giconv" = yes; then
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371 | AC_DEFINE(HAVE_GICONV, 1, [What header to include for iconv() function: giconv.h])
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372 | AC_MSG_RESULT(yes)
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373 | ICONV_FOUND=yes
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374 | else
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375 | if test "$jm_cv_biconv" = yes; then
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376 | AC_DEFINE(HAVE_BICONV, 1, [What header to include for iconv() function: biconv.h])
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377 | AC_MSG_RESULT(yes)
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378 | ICONV_FOUND=yes
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379 | else
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380 | AC_DEFINE(HAVE_ICONV, 1, [What header to include for iconv() function: iconv.h])
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381 | AC_MSG_RESULT(yes)
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382 | ICONV_FOUND=yes
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383 | fi
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384 | fi
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385 | else
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386 | AC_MSG_RESULT(no)
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387 | fi
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388 | ])
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389 |
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390 | AC_DEFUN(rjs_CHARSET,[
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391 | dnl Find out if we can convert from $1 to UCS2-LE
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392 | AC_MSG_CHECKING([can we convert from $1 to UCS2-LE?])
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393 | AC_TRY_RUN([
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394 | #include <$jm_cv_include>
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395 | main(){
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396 | iconv_t cd = iconv_open("$1", "UCS-2LE");
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397 | if (cd == 0 || cd == (iconv_t)-1) {
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398 | return -1;
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399 | }
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400 | return 0;
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401 | }
|
---|
402 | ],ICONV_CHARSET=$1,ICONV_CHARSET=no,ICONV_CHARSET=cross)
|
---|
403 | AC_MSG_RESULT($ICONV_CHARSET)
|
---|
404 | ])
|
---|
405 |
|
---|
406 | dnl CFLAGS_ADD_DIR(CFLAGS, $INCDIR)
|
---|
407 | dnl This function doesn't add -I/usr/include into CFLAGS
|
---|
408 | AC_DEFUN(CFLAGS_ADD_DIR,[
|
---|
409 | if test "$2" != "/usr/include" ; then
|
---|
410 | $1="$$1 -I$2"
|
---|
411 | fi
|
---|
412 | ])
|
---|
413 |
|
---|
414 | dnl LIB_ADD_DIR(LDFLAGS, $LIBDIR)
|
---|
415 | dnl This function doesn't add -L/usr/lib into LDFLAGS
|
---|
416 | AC_DEFUN(LIB_ADD_DIR,[
|
---|
417 | if test "$2" != "/usr/lib" ; then
|
---|
418 | $1="$$1 -L$2"
|
---|
419 | fi
|
---|
420 | ])
|
---|
421 |
|
---|
422 | dnl AC_ENABLE_SHARED - implement the --enable-shared flag
|
---|
423 | dnl Usage: AC_ENABLE_SHARED[(DEFAULT)]
|
---|
424 | dnl Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
|
---|
425 | dnl `yes'.
|
---|
426 | AC_DEFUN([AC_ENABLE_SHARED],
|
---|
427 | [define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
|
---|
428 | AC_ARG_ENABLE(shared,
|
---|
429 | changequote(<<, >>)dnl
|
---|
430 | << --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
|
---|
431 | changequote([, ])dnl
|
---|
432 | [p=${PACKAGE-default}
|
---|
433 | case $enableval in
|
---|
434 | yes) enable_shared=yes ;;
|
---|
435 | no) enable_shared=no ;;
|
---|
436 | *)
|
---|
437 | enable_shared=no
|
---|
438 | # Look at the argument we got. We use all the common list separators.
|
---|
439 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
|
---|
440 | for pkg in $enableval; do
|
---|
441 | if test "X$pkg" = "X$p"; then
|
---|
442 | enable_shared=yes
|
---|
443 | fi
|
---|
444 |
|
---|
445 | done
|
---|
446 | IFS="$ac_save_ifs"
|
---|
447 | ;;
|
---|
448 | esac],
|
---|
449 | enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
|
---|
450 | ])
|
---|
451 |
|
---|
452 | dnl AC_ENABLE_STATIC - implement the --enable-static flag
|
---|
453 | dnl Usage: AC_ENABLE_STATIC[(DEFAULT)]
|
---|
454 | dnl Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
|
---|
455 | dnl `yes'.
|
---|
456 | AC_DEFUN([AC_ENABLE_STATIC],
|
---|
457 | [define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
|
---|
458 | AC_ARG_ENABLE(static,
|
---|
459 | changequote(<<, >>)dnl
|
---|
460 | << --enable-static[=PKGS] build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
|
---|
461 | changequote([, ])dnl
|
---|
462 | [p=${PACKAGE-default}
|
---|
463 | case $enableval in
|
---|
464 | yes) enable_static=yes ;;
|
---|
465 | no) enable_static=no ;;
|
---|
466 | *)
|
---|
467 | enable_static=no
|
---|
468 | # Look at the argument we got. We use all the common list separators.
|
---|
469 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
|
---|
470 | for pkg in $enableval; do
|
---|
471 | if test "X$pkg" = "X$p"; then
|
---|
472 | enable_static=yes
|
---|
473 | fi
|
---|
474 | done
|
---|
475 | IFS="$ac_save_ifs"
|
---|
476 | ;;
|
---|
477 | esac],
|
---|
478 | enable_static=AC_ENABLE_STATIC_DEFAULT)dnl
|
---|
479 | ])
|
---|
480 |
|
---|
481 | dnl AC_DISABLE_STATIC - set the default static flag to --disable-static
|
---|
482 | AC_DEFUN([AC_DISABLE_STATIC],
|
---|
483 | [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
|
---|
484 | AC_ENABLE_STATIC(no)])
|
---|
485 |
|
---|
486 | dnl AC_TRY_RUN_STRICT(PROGRAM,CFLAGS,CPPFLAGS,LDFLAGS,
|
---|
487 | dnl [ACTION-IF-TRUE],[ACTION-IF-FALSE],
|
---|
488 | dnl [ACTION-IF-CROSS-COMPILING = RUNTIME-ERROR])
|
---|
489 | AC_DEFUN( [AC_TRY_RUN_STRICT],
|
---|
490 | [
|
---|
491 | old_CFLAGS="$CFLAGS";
|
---|
492 | CFLAGS="$2";
|
---|
493 | export CFLAGS;
|
---|
494 | old_CPPFLAGS="$CPPFLAGS";
|
---|
495 | CPPFLAGS="$3";
|
---|
496 | export CPPFLAGS;
|
---|
497 | old_LDFLAGS="$LDFLAGS";
|
---|
498 | LDFLAGS="$4";
|
---|
499 | export LDFLAGS;
|
---|
500 | AC_TRY_RUN([$1],[$5],[$6],[$7])
|
---|
501 | CFLAGS="$old_CFLAGS";
|
---|
502 | old_CFLAGS="";
|
---|
503 | export CFLAGS;
|
---|
504 | CPPFLAGS="$old_CPPFLAGS";
|
---|
505 | old_CPPFLAGS="";
|
---|
506 | export CPPFLAGS;
|
---|
507 | LDFLAGS="$old_LDFLAGS";
|
---|
508 | old_LDFLAGS="";
|
---|
509 | export LDFLAGS;
|
---|
510 | ])
|
---|
511 |
|
---|
512 | dnl SMB_CHECK_SYSCONF(varname)
|
---|
513 | dnl Tests whether the sysconf(3) variable "varname" is available.
|
---|
514 | AC_DEFUN([SMB_CHECK_SYSCONF],
|
---|
515 | [
|
---|
516 | AC_CACHE_CHECK([for sysconf($1)],
|
---|
517 | samba_cv_SYSCONF$1,
|
---|
518 | [
|
---|
519 | AC_TRY_LINK([#include <unistd.h>],
|
---|
520 | [ return sysconf($1) == -1 ? 1 : 0; ],
|
---|
521 | [ samba_cv_SYSCONF$1=yes ],
|
---|
522 | [ samba_cv_SYSCONF$1=no ])
|
---|
523 | ])
|
---|
524 |
|
---|
525 | if test x"$samba_cv_SYSCONF$1" = x"yes" ; then
|
---|
526 | AC_DEFINE(SYSCONF$1, 1, [Whether sysconf($1) is available])
|
---|
527 | fi
|
---|
528 | ])
|
---|
529 |
|
---|
530 | dnl SMB_IS_LIBPTHREAD_LINKED([actions if true], [actions if false])
|
---|
531 | dnl Test whether the current LIBS results in libpthread being present.
|
---|
532 | dnl Execute the corresponding user action list.
|
---|
533 | AC_DEFUN([SMB_IS_LIBPTHREAD_LINKED],
|
---|
534 | [
|
---|
535 | AC_MSG_CHECKING(if libpthread is linked)
|
---|
536 | AC_TRY_LINK([],
|
---|
537 | [return pthread_create(0, 0, 0, 0);],
|
---|
538 | [
|
---|
539 | AC_MSG_RESULT(yes)
|
---|
540 | $1
|
---|
541 | ],
|
---|
542 | [
|
---|
543 | AC_MSG_RESULT(no)
|
---|
544 | $2
|
---|
545 | ])
|
---|
546 | ])
|
---|
547 |
|
---|
548 | dnl SMB_REMOVE_LIB(lib)
|
---|
549 | dnl Remove the given library from $LIBS
|
---|
550 | AC_DEFUN([SMB_REMOVE_LIB],
|
---|
551 | [
|
---|
552 | LIBS=`echo $LIBS | sed '-es/-l$1//g'`
|
---|
553 | ])
|
---|
554 |
|
---|
555 | dnl SMB_CHECK_DMAPI([actions if true], [actions if false])
|
---|
556 | dnl Check whether DMAPI is available and is a version that we know
|
---|
557 | dnl how to deal with. The default truth action is to set samba_dmapi_libs
|
---|
558 | dnl to the list of necessary libraries, and to define USE_DMAPI.
|
---|
559 | AC_DEFUN([SMB_CHECK_DMAPI],
|
---|
560 | [
|
---|
561 | samba_dmapi_libs=""
|
---|
562 |
|
---|
563 | if test x"$samba_dmapi_libs" = x"" ; then
|
---|
564 | AC_CHECK_LIB(dm, dm_get_eventlist,
|
---|
565 | [ samba_dmapi_libs="-ldm"], [])
|
---|
566 | fi
|
---|
567 |
|
---|
568 | if test x"$samba_dmapi_libs" = x"" ; then
|
---|
569 | AC_CHECK_LIB(jfsdm, dm_get_eventlist,
|
---|
570 | [samba_dmapi_libs="-ljfsdm"], [])
|
---|
571 | fi
|
---|
572 |
|
---|
573 | if test x"$samba_dmapi_libs" = x"" ; then
|
---|
574 | AC_CHECK_LIB(xdsm, dm_get_eventlist,
|
---|
575 | [samba_dmapi_libs="-lxdsm"], [])
|
---|
576 | fi
|
---|
577 |
|
---|
578 | if test x"$samba_dmapi_libs" = x"" ; then
|
---|
579 | AC_CHECK_LIB(dmapi, dm_get_eventlist,
|
---|
580 | [samba_dmapi_libs="-ldmapi"], [])
|
---|
581 | fi
|
---|
582 |
|
---|
583 |
|
---|
584 | # Only bother to test ehaders if we have a candidate DMAPI library
|
---|
585 | if test x"$samba_dmapi_libs" != x"" ; then
|
---|
586 | AC_CHECK_HEADERS(sys/dmi.h xfs/dmapi.h sys/jfsdmapi.h sys/dmapi.h dmapi.h)
|
---|
587 | fi
|
---|
588 |
|
---|
589 | if test x"$samba_dmapi_libs" != x"" ; then
|
---|
590 | samba_dmapi_save_LIBS="$LIBS"
|
---|
591 | LIBS="$LIBS $samba_dmapi_libs"
|
---|
592 | AC_TRY_LINK(
|
---|
593 | [
|
---|
594 | #include <time.h> /* needed by Tru64 */
|
---|
595 | #include <sys/types.h> /* needed by AIX */
|
---|
596 | #ifdef HAVE_XFS_DMAPI_H
|
---|
597 | #include <xfs/dmapi.h>
|
---|
598 | #elif defined(HAVE_SYS_DMI_H)
|
---|
599 | #include <sys/dmi.h>
|
---|
600 | #elif defined(HAVE_SYS_JFSDMAPI_H)
|
---|
601 | #include <sys/jfsdmapi.h>
|
---|
602 | #elif defined(HAVE_SYS_DMAPI_H)
|
---|
603 | #include <sys/dmapi.h>
|
---|
604 | #elif defined(HAVE_DMAPI_H)
|
---|
605 | #include <dmapi.h>
|
---|
606 | #endif
|
---|
607 | ],
|
---|
608 | [
|
---|
609 | /* This link test is designed to fail on IRI 6.4, but should
|
---|
610 | * succeed on Linux, IRIX 6.5 and AIX.
|
---|
611 | */
|
---|
612 | char * version;
|
---|
613 | dm_eventset_t events;
|
---|
614 | /* This doesn't take an argument on IRIX 6.4. */
|
---|
615 | dm_init_service(&version);
|
---|
616 | /* IRIX 6.4 expects events to be a pointer. */
|
---|
617 | DMEV_ISSET(DM_EVENT_READ, events);
|
---|
618 | ],
|
---|
619 | [
|
---|
620 | true # DMAPI link test succeeded
|
---|
621 | ],
|
---|
622 | [
|
---|
623 | # DMAPI link failure
|
---|
624 | samba_dmapi_libs=
|
---|
625 | ])
|
---|
626 | LIBS="$samba_dmapi_save_LIBS"
|
---|
627 | fi
|
---|
628 |
|
---|
629 | if test x"$samba_dmapi_libs" = x"" ; then
|
---|
630 | # DMAPI detection failure actions begin
|
---|
631 | ifelse($2, [],
|
---|
632 | [
|
---|
633 | AC_ERROR(Failed to detect a supported DMAPI implementation)
|
---|
634 | ],
|
---|
635 | [
|
---|
636 | $2
|
---|
637 | ])
|
---|
638 | # DMAPI detection failure actions end
|
---|
639 | else
|
---|
640 | # DMAPI detection success actions start
|
---|
641 | ifelse($1, [],
|
---|
642 | [
|
---|
643 | AC_DEFINE(USE_DMAPI, 1,
|
---|
644 | [Whether we should build DMAPI integration components])
|
---|
645 | AC_MSG_NOTICE(Found DMAPI support in $samba_dmapi_libs)
|
---|
646 | ],
|
---|
647 | [
|
---|
648 | $1
|
---|
649 | ])
|
---|
650 | # DMAPI detection success actions end
|
---|
651 | fi
|
---|
652 |
|
---|
653 | ])
|
---|
654 |
|
---|
655 | dnl SMB_CHECK_CLOCK_ID(clockid)
|
---|
656 | dnl Test whether the specified clock_gettime clock ID is available. If it
|
---|
657 | dnl is, we define HAVE_clockid
|
---|
658 | AC_DEFUN([SMB_CHECK_CLOCK_ID],
|
---|
659 | [
|
---|
660 | AC_MSG_CHECKING(for $1)
|
---|
661 | AC_TRY_LINK([
|
---|
662 | #if TIME_WITH_SYS_TIME
|
---|
663 | # include <sys/time.h>
|
---|
664 | # include <time.h>
|
---|
665 | #else
|
---|
666 | # if HAVE_SYS_TIME_H
|
---|
667 | # include <sys/time.h>
|
---|
668 | # else
|
---|
669 | # include <time.h>
|
---|
670 | # endif
|
---|
671 | #endif
|
---|
672 | ],
|
---|
673 | [
|
---|
674 | clockid_t clk = $1;
|
---|
675 | ],
|
---|
676 | [
|
---|
677 | AC_MSG_RESULT(yes)
|
---|
678 | AC_DEFINE(HAVE_$1, 1,
|
---|
679 | [Whether the clock_gettime clock ID $1 is available])
|
---|
680 | ],
|
---|
681 | [
|
---|
682 | AC_MSG_RESULT(no)
|
---|
683 | ])
|
---|
684 | ])
|
---|
685 |
|
---|
686 | dnl SMB_IF_RTSIGNAL_BUG([actions if true],
|
---|
687 | dnl [actions if false],
|
---|
688 | dnl [actions if cross compiling])
|
---|
689 | dnl Test whether we can call sigaction with RT_SIGNAL_NOTIFY and
|
---|
690 | dnl RT_SIGNAL_LEASE (also RT_SIGNAL_AIO for good measure, though
|
---|
691 | dnl I don't believe that triggers any bug.
|
---|
692 | dnl
|
---|
693 | dnl See the samba-technical thread titled "Failed to setup
|
---|
694 | dnl RT_SIGNAL_NOTIFY handler" for details on the bug in question.
|
---|
695 | AC_DEFUN([SMB_IF_RTSIGNAL_BUG],
|
---|
696 | [
|
---|
697 | rt_signal_notify_works=yes
|
---|
698 | rt_signal_lease_works=yes
|
---|
699 | rt_signal_aio_works=yes
|
---|
700 |
|
---|
701 | AC_MSG_CHECKING(if sigaction works with realtime signals)
|
---|
702 | AC_TRY_RUN(
|
---|
703 | [
|
---|
704 | #include <sys/types.h>
|
---|
705 | #include <fcntl.h>
|
---|
706 | #include <signal.h>
|
---|
707 |
|
---|
708 | /* from smbd/notify_kernel.c */
|
---|
709 | #ifndef RT_SIGNAL_NOTIFY
|
---|
710 | #define RT_SIGNAL_NOTIFY (SIGRTMIN+2)
|
---|
711 | #endif
|
---|
712 |
|
---|
713 | /* from smbd/aio.c */
|
---|
714 | #ifndef RT_SIGNAL_AIO
|
---|
715 | #define RT_SIGNAL_AIO (SIGRTMIN+3)
|
---|
716 | #endif
|
---|
717 |
|
---|
718 | /* from smbd/oplock_linux.c */
|
---|
719 | #ifndef RT_SIGNAL_LEASE
|
---|
720 | #define RT_SIGNAL_LEASE (SIGRTMIN+1)
|
---|
721 | #endif
|
---|
722 |
|
---|
723 | static void signal_handler(int sig, siginfo_t *info, void *unused)
|
---|
724 | {
|
---|
725 | int do_nothing = 0;
|
---|
726 | }
|
---|
727 |
|
---|
728 | int main(void)
|
---|
729 | {
|
---|
730 | int result = 0;
|
---|
731 | struct sigaction act = {0};
|
---|
732 |
|
---|
733 | act.sa_sigaction = signal_handler;
|
---|
734 | act.sa_flags = SA_SIGINFO;
|
---|
735 | sigemptyset( &act.sa_mask );
|
---|
736 |
|
---|
737 | if (sigaction(RT_SIGNAL_LEASE, &act, 0) != 0) {
|
---|
738 | /* Failed to setup RT_SIGNAL_LEASE handler */
|
---|
739 | result += 1;
|
---|
740 | }
|
---|
741 |
|
---|
742 | if (sigaction(RT_SIGNAL_NOTIFY, &act, 0) != 0) {
|
---|
743 | /* Failed to setup RT_SIGNAL_NOTIFY handler */
|
---|
744 | result += 10;
|
---|
745 | }
|
---|
746 |
|
---|
747 | if (sigaction(RT_SIGNAL_AIO, &act, 0) != 0) {
|
---|
748 | /* Failed to setup RT_SIGNAL_AIO handler */
|
---|
749 | result += 100;
|
---|
750 | }
|
---|
751 |
|
---|
752 | /* zero on success */
|
---|
753 | return result;
|
---|
754 | }
|
---|
755 | ],
|
---|
756 | [
|
---|
757 | AC_MSG_RESULT(yes)
|
---|
758 | $2
|
---|
759 | ],
|
---|
760 | [
|
---|
761 | AC_MSG_RESULT(no)
|
---|
762 | case "$ac_status" in
|
---|
763 | 1|11|101|111) rt_signal_lease_ok=no ;;
|
---|
764 | esac
|
---|
765 | case "$ac_status" in
|
---|
766 | 10|11|110|111) rt_signal_notify_ok=no ;;
|
---|
767 | esac
|
---|
768 | case "$ac_status" in
|
---|
769 | 100|110|101|111) rt_signal_aio_ok=no ;;
|
---|
770 | esac
|
---|
771 | $2
|
---|
772 | ],
|
---|
773 | [
|
---|
774 | AC_MSG_RESULT(cross)
|
---|
775 | $3
|
---|
776 | ])
|
---|
777 | ])
|
---|
778 |
|
---|
779 | m4_include(lib/replace/libreplace.m4)
|
---|