1 | dnl aclocal.m4 generated automatically by aclocal 1.2 |
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2 | |
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3 | dnl |
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4 | dnl $Id$ |
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5 | dnl |
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6 | |
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7 | dnl macro to detect mkdir |
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8 | AC_DEFUN(RTEMS_PATH_MKDIR, |
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9 | [AC_PATH_PROG(MKDIR,mkdir) |
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10 | ]) |
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11 | |
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12 | dnl macro to check for mkdir -p |
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13 | AC_DEFUN(RTEMS_PROG_MKDIR_P, |
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14 | [ |
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15 | AC_REQUIRE([RTEMS_PATH_MKDIR]) |
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16 | AC_MSG_CHECKING([for working $MKDIR -p]) |
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17 | AC_CACHE_VAL(rtems_cv_prog_mkdir_p, |
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18 | [rm -rf conftestdata |
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19 | if $MKDIR -p conftestdata 2>/dev/null ;then |
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20 | rtems_cv_prog_MKDIR_P="yes" |
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21 | else |
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22 | rtems_cv_prog_MKDIR_P="no" |
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23 | fi])dnl |
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24 | rm -rf conftestdata |
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25 | AC_MSG_RESULT($rtems_cv_prog_MKDIR_P) |
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26 | ]) |
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27 | |
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28 | dnl macro to check for mkdir -m 0755 |
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29 | AC_DEFUN(RTEMS_PROG_MKDIR_M, |
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30 | [ |
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31 | AC_REQUIRE([RTEMS_PATH_MKDIR]) |
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32 | AC_MSG_CHECKING([for working $MKDIR -m 0755]) |
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33 | AC_CACHE_VAL(rtems_cv_prog_MKDIR_P, |
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34 | [rm -rf conftestdata |
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35 | if $MKDIR -m 0775 conftestdata 2>/dev/null; then |
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36 | rtems_cv_prog_MKDIR_M="yes" |
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37 | else |
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38 | rtems_cv_prog_MKDIR_M="no" |
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39 | fi])dnl |
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40 | rm -rf conftestdata |
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41 | AC_MSG_RESULT($rtems_cv_prog_MKDIR_M) |
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42 | ]) |
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43 | |
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44 | |
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45 | dnl |
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46 | dnl $Id$ |
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47 | dnl |
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48 | |
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49 | dnl canonicalize target name |
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50 | dnl NOTE: Most rtems targets do not fullfil autoconf's |
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51 | dnl target naming conventions "processor-vendor-os" |
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52 | dnl Therefore autoconf's AC_CANONICAL_TARGET will fail for them |
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53 | dnl and we have to fix it for rtems ourselves |
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54 | |
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55 | AC_DEFUN(RTEMS_CANONICAL_TARGET_CPU, |
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56 | [AC_MSG_CHECKING(rtems target cpu) |
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57 | changequote(<<, >>)dnl |
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58 | target_cpu=`echo $target | sed 's%^\([^-]*\)-\(.*\)$%\1%'` |
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59 | changequote([, ])dnl |
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60 | AC_MSG_RESULT($target_cpu) |
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61 | ]) |
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62 | |
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63 | dnl |
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64 | dnl $Id$ |
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65 | dnl |
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66 | dnl Set program_prefix |
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67 | dnl |
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68 | dnl 98/05/20 Ralf Corsepius (corsepiu@faw.uni-ulm.de) |
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69 | dnl Extracted from configure |
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70 | |
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71 | AC_DEFUN(RTEMS_TOOL_PREFIX, |
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72 | [AC_REQUIRE([AC_CANONICAL_TARGET])dnl |
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73 | AC_REQUIRE([AC_CANONICAL_BUILD])dnl |
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74 | |
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75 | if [[ "${program_prefix}" = "NONE" ]] ; then |
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76 | if [[ "${target}" = "${host}" ]] ; then |
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77 | program_prefix= |
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78 | else |
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79 | program_prefix=${target}- |
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80 | fi |
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81 | fi |
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82 | ]) |
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83 | |
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84 | dnl |
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85 | dnl $Id$ |
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86 | dnl |
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87 | dnl Check for target gcc |
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88 | dnl |
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89 | dnl 98/05/20 Ralf Corsepius (corsepiu@faw.uni-ulm.de) |
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90 | dnl Completely reworked |
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91 | |
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92 | AC_DEFUN(RTEMS_PROG_CC, |
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93 | [ |
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94 | AC_BEFORE([$0], [AC_PROG_CPP])dnl |
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95 | AC_BEFORE([$0], [AC_PROG_CC])dnl |
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96 | AC_REQUIRE([RTEMS_TOOL_PREFIX])dnl |
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97 | |
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98 | dnl Only accept gcc and cc |
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99 | dnl NOTE: This might be too restrictive for native compilation |
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100 | AC_PATH_PROGS(CC_FOR_TARGET, "$program_prefix"gcc "$program_prefix"cc ) |
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101 | test -z "$CC_FOR_TARGET" \ |
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102 | && AC_MSG_ERROR([no acceptable cc found in \$PATH]) |
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103 | |
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104 | dnl backup |
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105 | rtems_save_CC=$CC |
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106 | rtems_save_CFLAGS=$CFLAGS |
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107 | |
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108 | dnl temporarily set CC |
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109 | CC=$CC_FOR_TARGET |
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110 | |
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111 | AC_PROG_CC_WORKS |
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112 | AC_PROG_CC_GNU |
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113 | |
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114 | if test $ac_cv_prog_gcc = yes; then |
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115 | GCC=yes |
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116 | dnl Check whether -g works, even if CFLAGS is set, in case the package |
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117 | dnl plays around with CFLAGS (such as to build both debugging and |
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118 | dnl normal versions of a library), tasteless as that idea is. |
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119 | ac_test_CFLAGS="${CFLAGS+set}" |
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120 | ac_save_CFLAGS="$CFLAGS" |
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121 | CFLAGS= |
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122 | AC_PROG_CC_G |
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123 | if test "$ac_test_CFLAGS" = set; then |
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124 | CFLAGS="$ac_save_CFLAGS" |
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125 | elif test $ac_cv_prog_cc_g = yes; then |
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126 | CFLAGS="-g -O2" |
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127 | else |
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128 | CFLAGS="-O2" |
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129 | fi |
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130 | else |
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131 | GCC= |
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132 | test "${CFLAGS+set}" = set || CFLAGS="-g" |
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133 | fi |
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134 | |
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135 | rtems_cv_prog_gcc=$ac_cv_prog_gcc |
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136 | rtems_cv_prog_cc_g=$ac_cv_prog_cc_g |
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137 | rtems_cv_prog_cc_works=$ac_cv_prog_cc_works |
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138 | rtems_cv_prog_cc_cross=$ac_cv_prog_cc_cross |
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139 | |
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140 | dnl restore initial values |
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141 | CC=$rtems_save_CC |
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142 | CFLAGS=$rtems_save_CFLAGS |
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143 | |
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144 | unset ac_cv_prog_gcc |
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145 | unset ac_cv_prog_cc_g |
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146 | unset ac_cv_prog_cc_works |
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147 | unset ac_cv_prog_cc_cross |
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148 | ]) |
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149 | |
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150 | dnl |
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151 | dnl $Id$ |
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152 | dnl |
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153 | dnl Check whether the target compiler accepts -specs |
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154 | dnl |
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155 | dnl 98/02/11 Ralf Corsepius corsepiu@faw.uni-ulm.de |
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156 | dnl |
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157 | |
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158 | AC_DEFUN(RTEMS_GCC_SPECS, |
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159 | [AC_REQUIRE([RTEMS_PROG_CC]) |
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160 | AC_CACHE_CHECK(whether $CC_FOR_TARGET accepts -specs,rtems_cv_gcc_specs, |
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161 | [ |
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162 | rtems_cv_gcc_specs=no |
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163 | if test "$rtems_cv_prog_gcc" = "yes"; then |
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164 | touch confspec |
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165 | echo 'void f(){}' >conftest.c |
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166 | if test -z "`${CC_FOR_TARGET} -specs confspec -c conftest.c 2>&1`";then |
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167 | rtems_cv_gcc_specs=yes |
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168 | fi |
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169 | fi |
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170 | rm -f confspec conftest* |
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171 | ])]) |
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172 | |
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173 | dnl |
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174 | dnl $Id$ |
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175 | dnl |
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176 | dnl Check whether the target compiler accepts -pipe |
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177 | dnl |
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178 | dnl 98/02/11 Ralf Corsepius corsepiu@faw.uni-ulm.de |
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179 | dnl |
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180 | |
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181 | AC_DEFUN(RTEMS_GCC_PIPE, |
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182 | [AC_REQUIRE([RTEMS_PROG_CC]) |
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183 | AC_REQUIRE([AC_CANONICAL_HOST]) |
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184 | AC_CACHE_CHECK(whether $CC_FOR_TARGET accepts --pipe,rtems_cv_gcc_pipe, |
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185 | [ |
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186 | rtems_cv_gcc_pipe=no |
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187 | if test "$rtems_cv_prog_gcc" = "yes"; then |
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188 | case "$host_os" in |
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189 | cygwin32*) |
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190 | ;; |
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191 | *) |
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192 | echo 'void f(){}' >conftest.c |
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193 | if test -z "`${CC_FOR_TARGET} --pipe -c conftest.c 2>&1`";then |
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194 | rtems_cv_gcc_pipe=yes |
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195 | fi |
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196 | rm -f conftest* |
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197 | ;; |
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198 | esac |
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199 | fi |
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200 | ]) |
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201 | ]) |
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202 | |
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203 | dnl |
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204 | dnl $Id$ |
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205 | dnl |
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206 | dnl Check for target g++ |
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207 | dnl |
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208 | dnl 98/05/20 Ralf Corsepius (corsepiu@faw.uni-ulm.de) |
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209 | dnl Completely reworked |
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210 | |
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211 | AC_DEFUN(RTEMS_PROG_CXX, |
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212 | [ |
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213 | AC_BEFORE([$0], [AC_PROG_CXXCPP])dnl |
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214 | AC_BEFORE([$0], [AC_PROG_CXX])dnl |
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215 | AC_REQUIRE([RTEMS_TOOL_PREFIX])dnl |
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216 | |
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217 | dnl Only accept g++ and c++ |
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218 | dnl NOTE: This might be too restrictive for native compilation |
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219 | AC_PATH_PROGS(CXX_FOR_TARGET, "$program_prefix"g++ "$program_prefix"c++) |
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220 | test -z "$CXX_FOR_TARGET" \ |
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221 | && AC_MSG_ERROR([no acceptable c++ found in \$PATH]) |
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222 | |
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223 | dnl backup |
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224 | rtems_save_CXX=$CXX |
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225 | rtems_save_CXXFLAGS=$CXXFLAGS |
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226 | |
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227 | dnl temporarily set CXX |
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228 | CXX=$CXX_FOR_TARGET |
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229 | |
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230 | AC_PROG_CXX_WORKS |
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231 | AC_PROG_CXX_GNU |
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232 | |
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233 | if test $ac_cv_prog_gxx = yes; then |
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234 | GXX=yes |
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235 | dnl Check whether -g works, even if CXXFLAGS is set, in case the package |
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236 | dnl plays around with CXXFLAGS (such as to build both debugging and |
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237 | dnl normal versions of a library), tasteless as that idea is. |
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238 | ac_test_CXXFLAGS="${CXXFLAGS+set}" |
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239 | ac_save_CXXFLAGS="$CXXFLAGS" |
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240 | CXXFLAGS= |
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241 | AC_PROG_CXX_G |
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242 | if test "$ac_test_CXXFLAGS" = set; then |
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243 | CXXFLAGS="$ac_save_CXXFLAGS" |
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244 | elif test $ac_cv_prog_cxx_g = yes; then |
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245 | CXXFLAGS="-g -O2" |
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246 | else |
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247 | CXXFLAGS="-O2" |
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248 | fi |
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249 | else |
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250 | GXX= |
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251 | test "${CXXFLAGS+set}" = set || CXXFLAGS="-g" |
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252 | fi |
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253 | |
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254 | rtems_cv_prog_gxx=$ac_cv_prog_gxx |
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255 | rtems_cv_prog_cxx_g=$ac_cv_prog_cxx_g |
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256 | rtems_cv_prog_cxx_works=$ac_cv_prog_cxx_works |
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257 | rtems_cv_prog_cxx_cross=$ac_cv_prog_cxx_cross |
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258 | |
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259 | CXX=$rtems_save_CXX |
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260 | CXXFLAGS=$rtems_save_CXXFLAGS |
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261 | |
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262 | dnl restore initial values |
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263 | unset ac_cv_prog_gxx |
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264 | unset ac_cv_prog_cc_g |
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265 | unset ac_cv_prog_cxx_works |
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266 | unset ac_cv_prog_cxx_cross |
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267 | ]) |
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268 | |
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269 | dnl |
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270 | dnl $Id$ |
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271 | dnl |
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272 | dnl Set target tools |
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273 | dnl |
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274 | dnl 98/06/23 Ralf Corsepius (corsepiu@faw.uni-ulm.de) |
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275 | dnl fixing cache/environment variable handling |
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276 | dnl adding checks for cygwin/egcs '\\'-bug |
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277 | dnl adding checks for ranlib/ar -s problem |
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278 | dnl |
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279 | dnl 98/02/12 Ralf Corsepius (corsepiu@faw.uni-ulm.de) |
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280 | dnl |
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281 | |
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282 | AC_DEFUN(RTEMS_GCC_PRINT, |
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283 | [ case $host_os in |
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284 | *cygwin32*) |
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285 | dnl FIXME: Hack for cygwin/egcs reporting mixed '\\' and '/' |
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286 | dnl Should be removed once cygwin/egcs reports '/' only |
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287 | $1=`$CC_FOR_TARGET --print-prog-name=$2 | sed -e 's%\\\\%/%g' ` |
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288 | ;; |
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289 | *) |
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290 | $1=`$CC_FOR_TARGET --print-prog-name=$2` |
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291 | ;; |
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292 | esac |
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293 | ]) |
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294 | |
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295 | AC_DEFUN(RTEMS_PATH_TOOL, |
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296 | [ |
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297 | AC_MSG_CHECKING([target's $2]) |
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298 | AC_CACHE_VAL(ac_cv_path_$1,:) |
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299 | AC_MSG_RESULT([$ac_cv_path_$1]) |
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300 | |
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301 | if test -n "$ac_cv_path_$1"; then |
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302 | dnl retrieve the value from the cache |
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303 | $1=$ac_cv_path_$1 |
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304 | else |
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305 | dnl the cache was not set |
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306 | if test -z "[$]$1" ; then |
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307 | if test "$rtems_cv_prog_gcc" = "yes"; then |
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308 | # We are using gcc, ask it about its tool |
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309 | # NOTE: Necessary if gcc was configured to use the target's |
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310 | # native tools or uses prefixes for gnutools (e.g. gas instead of as) |
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311 | RTEMS_GCC_PRINT($1,$2) |
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312 | fi |
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313 | else |
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314 | # The user set an environment variable. |
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315 | # Check whether it is an absolute path, otherwise AC_PATH_PROG |
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316 | # will override the environment variable, which isn't what the user |
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317 | # intends |
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318 | AC_MSG_CHECKING([whether environment variable $1 is an absolute path]) |
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319 | case "[$]$1" in |
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320 | /*) # valid |
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321 | AC_MSG_RESULT("yes") |
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322 | ;; |
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323 | *) # invalid for AC_PATH_PROG |
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324 | AC_MSG_RESULT("no") |
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325 | AC_MSG_ERROR([***] |
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326 | [Environment variable $1 should either] |
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327 | [be unset (preferred) or contain an absolute path]) |
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328 | ;; |
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329 | esac |
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330 | fi |
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331 | |
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332 | AC_PATH_PROG($1,"$program_prefix"$2,$3) |
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333 | fi |
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334 | ]) |
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335 | |
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336 | AC_DEFUN(RTEMS_CANONICALIZE_TOOLS, |
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337 | [AC_REQUIRE([RTEMS_PROG_CC])dnl |
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338 | |
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339 | dnl FIXME: What shall be done if these tools are not available? |
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340 | RTEMS_PATH_TOOL(AR_FOR_TARGET,ar,no) |
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341 | RTEMS_PATH_TOOL(AS_FOR_TARGET,as,no) |
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342 | RTEMS_PATH_TOOL(LD_FOR_TARGET,ld,no) |
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343 | RTEMS_PATH_TOOL(NM_FOR_TARGET,nm,no) |
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344 | |
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345 | dnl special treatment of ranlib |
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346 | RTEMS_PATH_TOOL(RANLIB_FOR_TARGET,ranlib,no) |
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347 | if test "$RANLIB_FOR_TARGET" = "no"; then |
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348 | # ranlib wasn't found; check if ar -s is available |
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349 | RTEMS_AR_FOR_TARGET_S |
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350 | if test $rtems_cv_AR_FOR_TARGET_S = "yes" ; then |
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351 | dnl override RANLIB_FOR_TARGET's cache |
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352 | ac_cv_path_RANLIB_FOR_TARGET="$AR_FOR_TARGET -s" |
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353 | RANLIB_FOR_TARGET=$ac_cv_path_RANLIB_FOR_TARGET |
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354 | else |
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355 | AC_MSG_ERROR([***] |
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356 | [Can't figure out how to build a library index] |
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357 | [Neither ranlib nor ar -s seem to be available] ) |
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358 | fi |
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359 | fi |
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360 | |
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361 | dnl NOTE: These may not be available if not using gnutools |
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362 | RTEMS_PATH_TOOL(OBJCOPY_FOR_TARGET,objcopy,no) |
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363 | RTEMS_PATH_TOOL(SIZE_FOR_TARGET,size,no) |
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364 | RTEMS_PATH_TOOL(STRIP_FOR_TARGET,strip,no) |
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365 | ]) |
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366 | |
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367 | dnl |
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368 | dnl $Id$ |
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369 | dnl |
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370 | |
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371 | AC_DEFUN(RTEMS_AR_FOR_TARGET_S, |
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372 | [ |
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373 | AC_CACHE_CHECK(whether $AR_FOR_TARGET -s works, |
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374 | rtems_cv_AR_FOR_TARGET_S, |
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375 | [ |
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376 | cat > conftest.$ac_ext <<EOF |
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377 | int foo( int b ) |
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378 | { return b; } |
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379 | EOF |
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380 | if AC_TRY_COMMAND($CC_FOR_TARGET -o conftest.o -c conftest.$ac_ext) \ |
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381 | && AC_TRY_COMMAND($AR_FOR_TARGET -sr conftest.a conftest.o) \ |
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382 | && test -s conftest.a ; \ |
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383 | then |
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384 | rtems_cv_AR_FOR_TARGET_S="yes" |
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385 | else |
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386 | rtems_cv_AR_FOR_TARGET_S="no" |
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387 | fi |
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388 | rm -f conftest* |
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389 | ]) |
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390 | ]) |
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391 | |
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392 | |
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393 | dnl |
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394 | dnl $Id$ |
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395 | dnl |
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396 | |
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397 | dnl check for i386 gas supporting 16 bit mode |
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398 | dnl - binutils 2.9.1.0.7 and higher |
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399 | |
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400 | AC_DEFUN(RTEMS_I386_GAS_CODE16, |
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401 | if test "${target_cpu}" = "i386"; then |
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402 | AC_CACHE_CHECK([for 16 bit mode assembler support], |
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403 | rtems_cv_prog_gas_code16, |
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404 | [cat > conftest.s << EOF |
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405 | .code16 |
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406 | data32 |
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407 | addr32 |
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408 | lgdt 0 |
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409 | EOF |
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410 | if AC_TRY_COMMAND($AS_FOR_TARGET -o conftest.o conftest.s); then |
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411 | rtems_cv_prog_gas_code16=yes |
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412 | else |
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413 | rtems_cv_prog_gas_code16=no |
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414 | fi]) |
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415 | RTEMS_GAS_CODE16="$rtems_cv_prog_gas_code16" |
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416 | fi |
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417 | ) |
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418 | |
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419 | |
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420 | dnl |
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421 | dnl $Id$ |
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422 | dnl |
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423 | dnl Detect the Cygwin32 environment (unix under Win32) |
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424 | dnl |
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425 | dnl 98/06/16 David Fiddes (D.J.Fiddes@hw.ac.uk) |
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426 | dnl Hacked from automake-1.3 |
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427 | |
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428 | # Check to see if we're running under Cygwin32, without using |
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429 | # AC_CANONICAL_*. If so, set output variable CYGWIN32 to "yes". |
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430 | # Otherwise set it to "no". |
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431 | |
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432 | dnl RTEMS_CYGWIN32() |
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433 | AC_DEFUN(RTEMS_CYGWIN32, |
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434 | [AC_CACHE_CHECK(for Cygwin32 environment, rtems_cv_cygwin32, |
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435 | [AC_TRY_COMPILE(,[return __CYGWIN32__;], |
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436 | rtems_cv_cygwin32=yes, rtems_cv_cygwin32=no) |
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437 | rm -f conftest*]) |
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438 | CYGWIN32= |
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439 | test "$rtems_cv_cygwin32" = yes && CYGWIN32=yes]) |
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440 | |
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441 | |
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442 | dnl |
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443 | dnl $Id$ |
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444 | dnl |
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445 | dnl Set the EXE extension |
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446 | dnl |
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447 | dnl 98/06/16 David Fiddes (D.J.Fiddes@hw.ac.uk) |
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448 | dnl Hacked from automake-1.3 |
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449 | |
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450 | # Check to see if we're running under Win32, without using |
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451 | # AC_CANONICAL_*. If so, set output variable EXEEXT to ".exe". |
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452 | # Otherwise set it to "". |
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453 | |
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454 | dnl RTEMS_EXEEXT() |
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455 | dnl This knows we add .exe if we're building in the Cygwin32 |
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456 | dnl environment. But if we're not, then it compiles a test program |
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457 | dnl to see if there is a suffix for executables. |
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458 | AC_DEFUN(RTEMS_EXEEXT, |
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459 | [AC_REQUIRE([RTEMS_CYGWIN32]) |
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460 | AC_MSG_CHECKING([for executable suffix]) |
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461 | AC_CACHE_VAL(rtems_cv_exeext, |
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462 | [if test "$CYGWIN32" = yes; then |
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463 | rtems_cv_exeext=.exe |
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464 | else |
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465 | cat > rtems_c_test.c << 'EOF' |
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466 | int main() { |
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467 | /* Nothing needed here */ |
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468 | } |
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469 | EOF |
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470 | ${CC-cc} -o rtems_c_test $CFLAGS $CPPFLAGS $LDFLAGS rtems_c_test.c $LIBS 1>&5 |
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471 | rtems_cv_exeext=`echo rtems_c_test.* | grep -v rtems_c_test.c | sed -e s/rtems_c_test//` |
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472 | rm -f rtems_c_test*]) |
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473 | test x"${rtems_cv_exeext}" = x && rtems_cv_exeext=no |
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474 | fi |
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475 | EXEEXT="" |
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476 | test x"${rtems_cv_exeext}" != xno && EXEEXT=${rtems_cv_exeext} |
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477 | AC_MSG_RESULT(${rtems_cv_exeext}) |
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478 | AC_SUBST(EXEEXT)]) |
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479 | |
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480 | |
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481 | dnl |
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482 | dnl $Id$ |
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483 | dnl |
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484 | dnl Check for System V IPC calls used by Unix simulators |
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485 | dnl |
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486 | dnl 98/07/17 Dario Alcocer alcocer@netcom.com |
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487 | dnl Ralf Corsepius corsepiu@faw.uni-ulm.de |
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488 | dnl |
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489 | dnl Note: $host_os should probably *not* ever be used here to |
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490 | dnl determine if host supports System V IPC calls, since some |
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491 | dnl (e.g. FreeBSD 2.x) are configured by default to include only |
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492 | dnl a subset of the System V IPC calls. Therefore, to make sure |
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493 | dnl all of the required calls are found, test for each call explicitly. |
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494 | dnl |
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495 | dnl All of the calls use IPC_PRIVATE, so tests will not unintentionally |
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496 | dnl modify any existing key sets. See the man pages for semget, shmget, |
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497 | dnl msgget, semctl, shmctl and msgctl for details. |
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498 | |
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499 | AC_DEFUN(RTEMS_SYSV_SEM, |
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500 | [AC_REQUIRE([RTEMS_PROG_CC]) |
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501 | AC_REQUIRE([AC_CANONICAL_HOST]) |
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502 | AC_CACHE_CHECK(whether $RTEMS_HOST supports System V semaphores, |
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503 | rtems_cv_sysv_sem, |
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504 | [ |
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505 | AC_TRY_RUN([ |
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506 | #include <sys/types.h> |
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507 | #include <sys/ipc.h> |
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508 | #include <sys/sem.h> |
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509 | int main () { |
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510 | #if !defined(sun) |
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511 | union semun arg ; |
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512 | #else |
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513 | union semun { |
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514 | int val; |
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515 | struct semid_ds *buf; |
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516 | ushort *array; |
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517 | } arg; |
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518 | #endif |
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519 | int id=semget(IPC_PRIVATE,1,IPC_CREAT|0400); |
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520 | if (id == -1) |
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521 | exit(1); |
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522 | arg.val = 0; /* avoid implicit type cast to union */ |
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523 | if (semctl(id, 0, IPC_RMID, arg) == -1) |
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524 | exit(1); |
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525 | exit(0); |
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526 | } |
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527 | ], |
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528 | rtems_cv_sysv_sem="yes", rtems_cv_sysv_sem="no", :) |
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529 | ]) |
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530 | ]) |
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531 | |
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532 | AC_DEFUN(RTEMS_SYSV_SHM, |
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533 | [AC_REQUIRE([RTEMS_PROG_CC]) |
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534 | AC_REQUIRE([AC_CANONICAL_HOST]) |
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535 | AC_CACHE_CHECK(whether $RTEMS_HOST supports System V shared memory, |
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536 | rtems_cv_sysv_shm, |
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537 | [ |
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538 | AC_TRY_RUN([ |
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539 | #include <sys/types.h> |
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540 | #include <sys/ipc.h> |
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541 | #include <sys/shm.h> |
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542 | int main () { |
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543 | int id=shmget(IPC_PRIVATE,1,IPC_CREAT|0400); |
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544 | if (id == -1) |
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545 | exit(1); |
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546 | if (shmctl(id, IPC_RMID, 0) == -1) |
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547 | exit(1); |
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548 | exit(0); |
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549 | } |
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550 | ], |
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551 | rtems_cv_sysv_shm="yes", rtems_cv_sysv_shm="no", :) |
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552 | ]) |
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553 | ]) |
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554 | |
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555 | AC_DEFUN(RTEMS_SYSV_MSG, |
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556 | [AC_REQUIRE([RTEMS_PROG_CC]) |
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557 | AC_REQUIRE([AC_CANONICAL_HOST]) |
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558 | AC_CACHE_CHECK(whether $RTEMS_HOST supports System V messages, |
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559 | rtems_cv_sysv_msg, |
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560 | [ |
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561 | AC_TRY_RUN([ |
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562 | #include <sys/types.h> |
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563 | #include <sys/ipc.h> |
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564 | #include <sys/msg.h> |
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565 | int main () { |
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566 | int id=msgget(IPC_PRIVATE,IPC_CREAT|0400); |
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567 | if (id == -1) |
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568 | exit(1); |
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569 | if (msgctl(id, IPC_RMID, 0) == -1) |
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570 | exit(1); |
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571 | exit(0); |
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572 | } |
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573 | ], |
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574 | rtems_cv_sysv_msg="yes", rtems_cv_sysv_msg="no", :) |
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575 | ]) |
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576 | ]) |
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577 | |
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578 | dnl |
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579 | dnl $Id$ |
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580 | dnl |
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581 | |
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582 | dnl RTEMS_CHECK_MAKEFILE(path) |
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583 | dnl Search for Makefile.in's within the directory starting |
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584 | dnl at path and append an entry for Makefile to global variable |
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585 | dnl "makefiles" (from configure.in) for each Makefile.in found |
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586 | dnl |
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587 | AC_DEFUN(RTEMS_CHECK_MAKEFILE, |
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588 | [RTEMS_CHECK_FILES_IN($1,Makefile,makefiles) |
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589 | ]) |
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590 | |
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591 | dnl |
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592 | dnl $Id$ |
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593 | dnl |
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594 | |
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595 | dnl RTEMS_CHECK_FILES_IN(path,file,var) |
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596 | dnl path .. path relative to srcdir, where to start searching for files |
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597 | dnl file .. name of the files to search for |
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598 | dnl var .. shell variable to append files found |
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599 | |
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600 | AC_DEFUN(RTEMS_CHECK_FILES_IN, |
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601 | [ |
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602 | AC_MSG_CHECKING(for $2.in in $1) |
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603 | if test -d $srcdir/$1; then |
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604 | rtems_av_save_dir=`pwd`; |
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605 | cd $srcdir; |
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606 | rtems_av_tmp=`find $1 -name "$2.in" -print | sed "s/$2\.in/%/" | sort | sed "s/%/$2/"` |
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607 | $3="$$3 $rtems_av_tmp"; |
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608 | cd $rtems_av_save_dir; |
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609 | AC_MSG_RESULT(done) |
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610 | else |
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611 | AC_MSG_RESULT(no) |
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612 | fi |
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613 | ]) |
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614 | |
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615 | |
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