1 | dnl aclocal.m4 generated automatically by aclocal 1.2 |
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2 | |
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3 | dnl $Id$ |
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4 | |
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5 | dnl macro to detect mkdir |
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6 | AC_DEFUN(RTEMS_PATH_MKDIR, |
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7 | [AC_PATH_PROG(MKDIR,mkdir) |
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8 | ]) |
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9 | |
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10 | dnl macro to check for mkdir -p |
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11 | AC_DEFUN(RTEMS_PROG_MKDIR_P, |
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12 | [ |
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13 | AC_REQUIRE([RTEMS_PATH_MKDIR]) |
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14 | AC_MSG_CHECKING([for working $MKDIR -p]) |
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15 | AC_CACHE_VAL(rtems_cv_prog_mkdir_p, |
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16 | [rm -rf conftestdata |
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17 | if $MKDIR -p conftestdata 2>/dev/null ;then |
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18 | rtems_cv_prog_MKDIR_P="yes" |
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19 | else |
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20 | rtems_cv_prog_MKDIR_P="no" |
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21 | fi])dnl |
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22 | rm -rf conftestdata |
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23 | AC_MSG_RESULT($rtems_cv_prog_MKDIR_P) |
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24 | ]) |
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25 | |
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26 | dnl macro to check for mkdir -m 0755 |
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27 | AC_DEFUN(RTEMS_PROG_MKDIR_M, |
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28 | [ |
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29 | AC_REQUIRE([RTEMS_PATH_MKDIR]) |
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30 | AC_MSG_CHECKING([for working $MKDIR -m 0755]) |
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31 | AC_CACHE_VAL(rtems_cv_prog_MKDIR_P, |
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32 | [rm -rf conftestdata |
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33 | if $MKDIR -m 0775 conftestdata 2>/dev/null; then |
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34 | rtems_cv_prog_MKDIR_M="yes" |
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35 | else |
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36 | rtems_cv_prog_MKDIR_M="no" |
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37 | fi])dnl |
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38 | rm -rf conftestdata |
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39 | AC_MSG_RESULT($rtems_cv_prog_MKDIR_M) |
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40 | ]) |
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41 | |
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42 | |
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43 | dnl $Id$ |
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44 | |
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45 | dnl canonicalize target name |
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46 | dnl NOTE: Most rtems targets do not fullfil autoconf's |
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47 | dnl target naming conventions "processor-vendor-os" |
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48 | dnl Therefore autoconf's AC_CANONICAL_TARGET will fail for them |
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49 | dnl and we have to fix it for rtems ourselves |
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50 | |
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51 | AC_DEFUN(RTEMS_CANONICAL_TARGET_CPU, |
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52 | [AC_MSG_CHECKING(rtems target cpu) |
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53 | changequote(<<, >>)dnl |
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54 | target_cpu=`echo $target | sed 's%^\([^-]*\)-\(.*\)$%\1%'` |
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55 | changequote([, ])dnl |
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56 | AC_MSG_RESULT($target_cpu) |
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57 | ]) |
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58 | |
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59 | dnl |
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60 | dnl $Id$ |
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61 | dnl |
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62 | dnl Check for target gcc |
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63 | dnl |
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64 | dnl Adaptation of autoconf-2.12's AC_PROG_CC to rtems |
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65 | dnl |
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66 | dnl 98/02/10 Ralf Corsepius (corsepiu@faw.uni-ulm.de) |
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67 | dnl |
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68 | |
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69 | AC_DEFUN(RTEMS_PROG_CC, |
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70 | [ |
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71 | AC_BEFORE([$0], [AC_PROG_CPP])dnl |
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72 | AC_BEFORE([$0], [AC_PROG_CC])dnl |
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73 | AC_CHECK_PROG(CC, gcc, gcc) |
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74 | if test -z "$CC"; then |
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75 | AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc) |
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76 | test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH]) |
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77 | fi |
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78 | |
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79 | RTEMS_PROG_CC_WORKS |
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80 | AC_PROG_CC_GNU |
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81 | |
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82 | if test $ac_cv_prog_gcc = yes; then |
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83 | GCC=yes |
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84 | dnl Check whether -g works, even if CFLAGS is set, in case the package |
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85 | dnl plays around with CFLAGS (such as to build both debugging and |
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86 | dnl normal versions of a library), tasteless as that idea is. |
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87 | ac_test_CFLAGS="${CFLAGS+set}" |
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88 | ac_save_CFLAGS="$CFLAGS" |
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89 | CFLAGS= |
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90 | AC_PROG_CC_G |
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91 | if test "$ac_test_CFLAGS" = set; then |
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92 | CFLAGS="$ac_save_CFLAGS" |
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93 | elif test $ac_cv_prog_cc_g = yes; then |
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94 | CFLAGS="-g -O2" |
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95 | else |
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96 | CFLAGS="-O2" |
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97 | fi |
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98 | else |
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99 | GCC= |
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100 | test "${CFLAGS+set}" = set || CFLAGS="-g" |
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101 | fi |
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102 | |
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103 | CC_FOR_TARGET=$CC |
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104 | rtems_cv_prog_gcc=$ac_cv_prog_gcc |
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105 | rtems_cv_prog_cc_g=$ac_cv_prog_cc_g |
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106 | |
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107 | dnl restore initial values |
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108 | unset CC |
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109 | unset ac_cv_prog_gcc |
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110 | unset ac_cv_prog_cc_g |
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111 | unset ac_cv_prog_CC |
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112 | ]) |
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113 | |
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114 | |
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115 | dnl Almost identical to AC_PROG_CC_WORKS |
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116 | dnl added malloc to program fragment, because rtems has its own malloc |
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117 | dnl which is not available while bootstrapping rtems |
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118 | |
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119 | AC_DEFUN(RTEMS_PROG_CC_WORKS, |
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120 | [AC_MSG_CHECKING([whether the target C compiler ($CC $CFLAGS $LDFLAGS) works]) |
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121 | AC_LANG_SAVE |
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122 | AC_LANG_C |
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123 | AC_TRY_COMPILER( |
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124 | [main(){return(0);}], |
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125 | rtems_cv_prog_cc_works, rtems_cv_prog_cc_cross) |
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126 | AC_LANG_RESTORE |
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127 | AC_MSG_RESULT($rtems_cv_prog_cc_works) |
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128 | if test $rtems_cv_prog_cc_works = no; then |
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129 | AC_MSG_ERROR([installation or configuration problem: target C compiler cannot create executables.]) |
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130 | fi |
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131 | AC_MSG_CHECKING([whether the target C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler]) |
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132 | AC_MSG_RESULT($rtems_cv_prog_cc_cross) |
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133 | ]) |
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134 | |
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135 | dnl |
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136 | dnl $Id$ |
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137 | dnl |
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138 | dnl Check whether the target compiler accepts -specs |
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139 | dnl |
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140 | dnl 98/02/11 Ralf Corsepius corsepiu@faw.uni-ulm.de |
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141 | dnl |
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142 | |
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143 | AC_DEFUN(RTEMS_GCC_SPECS, |
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144 | [AC_REQUIRE([RTEMS_PROG_CC]) |
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145 | AC_CACHE_CHECK(whether $CC_FOR_TARGET accepts -specs,rtems_cv_gcc_specs, |
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146 | [touch confspec |
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147 | echo 'void f(){}' >conftest.c |
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148 | if test -z "`${CC_FOR_TARGET} -specs confspec -c conftest.c 2>&1`";then |
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149 | rtems_cv_gcc_specs=yes |
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150 | else |
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151 | rtems_cv_gcc_specs=no |
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152 | fi |
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153 | rm -f confspec conftest* |
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154 | ])]) |
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155 | |
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156 | dnl |
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157 | dnl $Id$ |
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158 | dnl |
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159 | dnl Check whether the target compiler accepts -pipe |
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160 | dnl |
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161 | dnl 98/02/11 Ralf Corsepius corsepiu@faw.uni-ulm.de |
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162 | dnl |
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163 | |
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164 | AC_DEFUN(RTEMS_GCC_PIPE, |
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165 | [AC_REQUIRE([RTEMS_PROG_CC]) |
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166 | AC_REQUIRE([AC_CANONICAL_HOST]) |
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167 | AC_CACHE_CHECK(whether $CC_FOR_TARGET accepts --pipe,rtems_cv_gcc_pipe, |
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168 | [ |
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169 | case "$host_os" in |
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170 | cygwin32*) |
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171 | rtems_cv_gcc_pipe=no |
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172 | ;; |
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173 | *) |
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174 | echo 'void f(){}' >conftest.c |
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175 | if test -z "`${CC_FOR_TARGET} --pipe -c conftest.c 2>&1`";then |
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176 | rtems_cv_gcc_pipe=yes |
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177 | else |
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178 | rtems_cv_gcc_pipe=no |
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179 | fi |
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180 | rm -f conftest* |
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181 | ;; |
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182 | esac |
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183 | ]) |
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184 | ]) |
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185 | |
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186 | dnl |
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187 | dnl $Id$ |
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188 | dnl |
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189 | dnl Check for target g++ |
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190 | dnl |
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191 | dnl Adaptation of autoconf-2.12's AC_PROG_CXX to rtems |
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192 | dnl |
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193 | dnl 98/02/10 Ralf Corsepius (corsepiu@faw.uni-ulm.de) |
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194 | dnl |
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195 | |
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196 | AC_DEFUN(RTEMS_PROG_CXX, |
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197 | [ |
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198 | AC_BEFORE([$0], [AC_PROG_CXXCPP])dnl |
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199 | AC_BEFORE([$0], [AC_PROG_CXX])dnl |
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200 | AC_CHECK_PROGS(CXX, $CCC c++ g++ gcc CC cxx cc++, gcc) |
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201 | |
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202 | RTEMS_PROG_CXX_WORKS |
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203 | AC_PROG_CXX_GNU |
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204 | |
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205 | if test $ac_cv_prog_gxx = yes; then |
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206 | GXX=yes |
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207 | dnl Check whether -g works, even if CXXFLAGS is set, in case the package |
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208 | dnl plays around with CXXFLAGS (such as to build both debugging and |
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209 | dnl normal versions of a library), tasteless as that idea is. |
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210 | ac_test_CXXFLAGS="${CXXFLAGS+set}" |
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211 | ac_save_CXXFLAGS="$CXXFLAGS" |
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212 | CXXFLAGS= |
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213 | AC_PROG_CXX_G |
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214 | if test "$ac_test_CXXFLAGS" = set; then |
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215 | CXXFLAGS="$ac_save_CXXFLAGS" |
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216 | elif test $ac_cv_prog_cxx_g = yes; then |
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217 | CXXFLAGS="-g -O2" |
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218 | else |
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219 | CXXFLAGS="-O2" |
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220 | fi |
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221 | else |
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222 | GXX= |
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223 | test "${CXXFLAGS+set}" = set || CXXFLAGS="-g" |
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224 | fi |
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225 | CXX_FOR_TARGET=$CXX |
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226 | |
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227 | dnl restore initial values |
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228 | unset CXX |
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229 | unset ac_cv_prog_gxx |
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230 | ]) |
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231 | |
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232 | |
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233 | dnl Almost identical to AC_PROG_CXX_WORKS |
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234 | dnl Additional handling of malloc |
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235 | dnl NOTE: using newlib with a native compiler is cross-compiling, indeed. |
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236 | AC_DEFUN(RTEMS_PROG_CXX_WORKS, |
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237 | [AC_MSG_CHECKING([whether the target C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works]) |
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238 | AC_LANG_SAVE |
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239 | AC_LANG_CPLUSPLUS |
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240 | |
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241 | dnl this fails if rtems uses newlib, because rtems has its own malloc which |
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242 | dnl is not available at bootstrap |
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243 | AC_TRY_COMPILER( |
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244 | [main(){return(0);}], |
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245 | rtems_cv_prog_cxx_works, rtems_cv_prog_cxx_cross) |
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246 | AC_LANG_RESTORE |
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247 | AC_MSG_RESULT($rtems_cv_prog_cxx_works) |
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248 | if test $rtems_cv_prog_cxx_works = no; then |
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249 | AC_MSG_ERROR([installation or configuration problem: target C++ compiler cannot create executables.]) |
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250 | fi |
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251 | AC_MSG_CHECKING([whether the target C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler]) |
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252 | AC_MSG_RESULT($rtems_cv_prog_cxx_cross) |
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253 | ]) |
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254 | |
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255 | dnl $Id$ |
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256 | dnl |
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257 | dnl Set target tools |
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258 | dnl |
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259 | dnl 98/02/12 Ralf Corsepius (corsepiu@faw.uni-ulm.de) |
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260 | dnl |
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261 | |
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262 | AC_DEFUN(RTEMS_CANONICALIZE_TOOLS, |
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263 | [AC_REQUIRE([RTEMS_PROG_CC])dnl |
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264 | if test "$rtems_cv_prog_gcc" = "yes" ; then |
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265 | dnl We are using gcc, now ask it about its tools |
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266 | dnl Necessary if gcc was configured to use the target's native tools |
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267 | dnl or uses prefixes for gnutools (e.g. gas instead of as) |
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268 | AR_FOR_TARGET=`$CC_FOR_TARGET --print-prog-name=ar` |
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269 | AS_FOR_TARGET=`$CC_FOR_TARGET --print-prog-name=as` |
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270 | LD_FOR_TARGET=`$CC_FOR_TARGET --print-prog-name=ld` |
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271 | NM_FOR_TARGET=`$CC_FOR_TARGET --print-prog-name=nm` |
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272 | RANLIB_FOR_TARGET=`$CC_FOR_TARGET --print-prog-name=ranlib` |
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273 | fi |
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274 | |
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275 | dnl check whether the tools exist |
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276 | dnl FIXME: What shall be done if they don't exist? |
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277 | |
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278 | dnl NOTE: CC_FOR_TARGET should always be valid at this point, |
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279 | dnl cf. RTEMS_PROG_CC |
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280 | AC_PATH_PROG(CC_FOR_TARGET,"$program_prefix"gcc,no) |
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281 | |
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282 | dnl FIXME: This may fail if the compiler has not been recognized as gcc |
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283 | dnl and uses tools with different names |
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284 | AC_PATH_PROG(AR_FOR_TARGET,"$program_prefix"ar,no) |
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285 | AC_PATH_PROG(AS_FOR_TARGET,"$program_prefix"as,no) |
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286 | AC_PATH_PROG(NM_FOR_TARGET,"$program_prefix"nm,no) |
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287 | AC_PATH_PROG(LD_FOR_TARGET,"$program_prefix"ld,no) |
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288 | |
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289 | dnl NOTE: This is doubtful, but should not disturb all current rtems' |
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290 | dnl targets (remark: solaris fakes ranlib!!) |
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291 | AC_PATH_PROG(RANLIB_FOR_TARGET,"$program_prefix"ranlib,no) |
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292 | |
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293 | dnl NOTE: These may not be available, if not using gnutools |
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294 | AC_PATH_PROG(OBJCOPY_FOR_TARGET,"$program_prefix"objcopy,no) |
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295 | AC_PATH_PROG(SIZE_FOR_TARGET,"$program_prefix"size,no) |
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296 | ]) |
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297 | |
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298 | dnl $Id$ |
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299 | |
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300 | dnl RTEMS_CHECK_MAKEFILE(path) |
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301 | dnl Search for Makefile.in's within the directory starting |
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302 | dnl at path and append an entry for Makefile to global variable |
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303 | dnl "makefiles" (from configure.in) for each Makefile.in found |
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304 | dnl |
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305 | AC_DEFUN(RTEMS_CHECK_MAKEFILE, |
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306 | [RTEMS_CHECK_FILES_IN($1,Makefile,makefiles) |
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307 | ]) |
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308 | |
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309 | dnl $Id$ |
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310 | |
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311 | dnl RTEMS_CHECK_FILES_IN(path,file,var) |
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312 | dnl path .. path relative to srcdir, where to start searching for files |
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313 | dnl file .. name of the files to search for |
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314 | dnl var .. shell variable to append files found |
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315 | AC_DEFUN(RTEMS_CHECK_FILES_IN, |
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316 | [ |
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317 | AC_MSG_CHECKING(for $2.in in $1) |
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318 | if test -d $srcdir/$1; then |
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319 | rtems_av_save_dir=`pwd`; |
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320 | cd $srcdir; |
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321 | rtems_av_tmp=`find $1 -name "$2.in" -print | sed "s/$2\.in/%/" | sort | sed "s/%/$2/"` |
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322 | $3="$$3 $rtems_av_tmp"; |
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323 | cd $rtems_av_save_dir; |
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324 | AC_MSG_RESULT(done) |
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325 | else |
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326 | AC_MSG_RESULT(no) |
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327 | fi |
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328 | ]) |
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329 | |
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330 | |
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