1 | ## Process this file with autoconf to produce a configure script. |
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2 | |
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3 | AC_PREREQ([2.69]) |
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4 | AC_INIT([rtems-cpukit],[_RTEMS_VERSION],[http://www.rtems.org/bugzilla]) |
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5 | AC_CONFIG_SRCDIR([score]) |
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6 | RTEMS_TOP([..],[]) |
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7 | |
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8 | RTEMS_CANONICAL_TARGET_CPU |
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9 | |
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10 | AM_INIT_AUTOMAKE([no-define nostdinc subdir-objects foreign 1.12.2]) |
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11 | AM_MAINTAINER_MODE |
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12 | |
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13 | RTEMS_ENABLE_MULTILIB |
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14 | RTEMS_ENABLE_MULTIPROCESSING |
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15 | RTEMS_ENABLE_POSIX |
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16 | RTEMS_ENABLE_RTEMS_DEBUG |
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17 | RTEMS_ENABLE_NETWORKING |
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18 | |
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19 | RTEMS_ENV_RTEMSCPU |
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20 | RTEMS_CHECK_RTEMS_DEBUG |
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21 | |
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22 | # Is this a supported CPU? |
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23 | AC_MSG_CHECKING([if cpu $RTEMS_CPU is supported]) |
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24 | if test -d "$srcdir/score/cpu/$RTEMS_CPU"; then |
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25 | AC_MSG_RESULT(yes) |
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26 | else |
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27 | AC_MSG_ERROR(no) |
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28 | fi |
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29 | |
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30 | RTEMS_PROG_CC_FOR_TARGET |
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31 | RTEMS_PROG_CCAS |
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32 | RTEMS_CANONICALIZE_TOOLS |
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33 | AM_PROG_CC_C_O |
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34 | AC_PROG_RANLIB |
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35 | |
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36 | RTEMS_CHECK_NEWLIB |
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37 | |
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38 | # BSD-isms, used throughout the sources |
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39 | # Not really used by this configure script |
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40 | # FIXME: They should be eliminated if possible. |
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41 | AC_CHECK_FUNCS([strsep strcasecmp snprintf]) |
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42 | AC_CHECK_FUNCS([strdup strndup strncasecmp]) |
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43 | AC_CHECK_FUNCS([bcopy bcmp]) |
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44 | AC_CHECK_FUNCS([isascii fileno]) |
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45 | |
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46 | # <FIXME> |
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47 | # Check for functions supplied by newlib >= 1.17.0 |
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48 | # Newlib's posix/ directory |
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49 | AC_CHECK_FUNCS([readdir_r isatty]) |
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50 | AC_CHECK_FUNCS([creat \ |
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51 | opendir closedir readdir rewinddir scandir seekdir \ |
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52 | sleep \ |
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53 | telldir \ |
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54 | usleep],, |
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55 | [rtems_missing_func="$ac_func";break]) |
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56 | AS_IF([test -n "$rtems_missing_func"], |
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57 | AC_MSG_ERROR([Missing function $rtems_missing_func in libc])]) |
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58 | AC_CHECK_FUNCS([__assert]) |
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59 | AC_CHECK_FUNCS([execl execlp execle execv execvp execve]) |
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60 | AC_CHECK_FUNCS([regcomp regexec regerror regfree]) |
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61 | |
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62 | # Mandated by POSIX, decls not present in some versions of newlib |
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63 | AC_CHECK_DECLS([flockfile],[AC_CHECK_FUNCS([flockfile])],,[#include <stdio.h>]) |
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64 | AC_CHECK_DECLS([funlockfile],[AC_CHECK_FUNCS([funlockfile])],,[#include <stdio.h>]) |
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65 | AC_CHECK_DECLS([ftrylockfile],[AC_CHECK_FUNCS([ftrylockfile])],,[#include <stdio.h>]) |
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66 | |
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67 | # Newlib proprietary |
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68 | AC_CHECK_HEADERS([envlock.h]) |
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69 | AC_CHECK_DECLS([__env_lock],,,[#include <envlock.h>]) |
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70 | AC_CHECK_DECLS([__env_unlock],,,[#include <envlock.h>]) |
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71 | |
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72 | # Mandated by POSIX, older newlibs bogusly provided CLOCK_PROCESS_CPUTIME+CLOCK_THREAD_CPUTIME |
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73 | AC_CHECK_DECL([CLOCK_PROCESS_CPUTIME_ID],[],[AC_MSG_ERROR([missing define CLOCK_PROCESS_CPUTIME_ID])],[#include <time.h>]) |
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74 | AC_CHECK_DECL([CLOCK_THREAD_CPUTIME_ID],[],[AC_MSG_ERROR([missing define CLOCK_THREAD_CPUTIME_ID])],[#include <time.h>]) |
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75 | |
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76 | # Mandated by POSIX, decls not present in some versions of newlib, |
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77 | # some versions stubbed in newlib's rtems crt0 |
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78 | RTEMS_CHECK_FUNC([seteuid],[#include <unistd.h>]) |
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79 | RTEMS_CHECK_FUNC([geteuid],[#include <unistd.h>]) |
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80 | RTEMS_CHECK_FUNC([setegid],[#include <unistd.h>]) |
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81 | RTEMS_CHECK_FUNC([getegid],[#include <unistd.h>]) |
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82 | RTEMS_CHECK_FUNC([setuid],[#include <unistd.h>]) |
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83 | RTEMS_CHECK_FUNC([getuid],[#include <unistd.h>]) |
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84 | RTEMS_CHECK_FUNC([setgid],[#include <unistd.h>]) |
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85 | RTEMS_CHECK_FUNC([getgid],[#include <unistd.h>]) |
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86 | RTEMS_CHECK_FUNC([setsid],[#include <unistd.h>]) |
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87 | RTEMS_CHECK_FUNC([getsid],[#include <unistd.h>]) |
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88 | RTEMS_CHECK_FUNC([setpgid],[#include <unistd.h>]) |
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89 | RTEMS_CHECK_FUNC([getpgid],[#include <unistd.h>]) |
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90 | RTEMS_CHECK_FUNC([setpgrp],[#include <unistd.h>]) |
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91 | RTEMS_CHECK_FUNC([getpgrp],[#include <unistd.h>]) |
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92 | |
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93 | # pthread-functions not declared in some versions of newlib. |
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94 | RTEMS_CHECK_FUNC([pthread_attr_getguardsize],[#include <pthread.h>]) |
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95 | RTEMS_CHECK_FUNC([pthread_attr_setguardsize],[#include <pthread.h>]) |
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96 | RTEMS_CHECK_FUNC([pthread_attr_setstack],[#include <pthread.h>]) |
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97 | RTEMS_CHECK_FUNC([pthread_attr_getstack],[#include <pthread.h>]) |
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98 | |
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99 | # Mandated by POSIX, not declared in some versions of newlib. |
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100 | AC_CHECK_DECLS([getrusage],,,[#include sys/resource.h]) |
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101 | |
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102 | # Newlib's unix/ directory |
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103 | AC_CHECK_FUNCS([ttyname getcwd]) |
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104 | # </FIXME> |
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105 | |
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106 | # Check if the installed toolchain provides these headers |
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107 | # and error out if not. |
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108 | AC_CHECK_HEADERS([tar.h errno.h sched.h sys/cdefs.h sys/queue.h],, |
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109 | [rtems_missing_header="$ac_header";break]) |
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110 | AS_IF([test -n "$rtems_missing_header"], |
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111 | AC_MSG_ERROR([Missing required header $rtems_missing_header])]) |
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112 | |
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113 | ## error out if libc doesn't provide stdint.h |
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114 | AS_IF([test x"${ac_cv_header_stdint_h}" != xyes], |
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115 | [AC_MSG_ERROR([Required header stdint.h not found])]) |
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116 | |
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117 | ## error out if libc doesn't provide inttypes.h |
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118 | AS_IF([test x"${ac_cv_header_inttypes_h}" != xyes], |
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119 | [AC_MSG_ERROR([Required header inttypes.h not found])]) |
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120 | |
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121 | AC_HEADER_STDBOOL |
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122 | AS_IF([test x"${ac_cv_header_stdbool_h}" != xyes], |
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123 | [AC_MSG_ERROR([No sufficient stdbool.h found])]) |
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124 | |
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125 | AC_CHECK_TYPES([ uint8_t, int8_t]) |
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126 | AC_CHECK_TYPES([uint16_t, int16_t]) |
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127 | AC_CHECK_TYPES([uint32_t, int32_t]) |
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128 | AC_CHECK_TYPES([uint64_t, int64_t]) |
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129 | AC_CHECK_TYPES([uintmax_t, intmax_t]) |
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130 | AC_CHECK_TYPES([uintptr_t, intptr_t]) |
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131 | |
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132 | # Some toolchain sanity checks and diagnostics |
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133 | RTEMS_CHECK_GCC_SANITY |
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134 | |
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135 | # These are conditionally defined by the toolchain |
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136 | # FIXME: we should either conditionally compile those parts in |
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137 | # RTEMS depending on them, or abort - For now, simply check. |
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138 | AC_CHECK_HEADER([pthread.h],[ |
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139 | AC_CHECK_TYPES([pthread_rwlock_t]) |
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140 | AC_CHECK_TYPES([pthread_barrier_t]) |
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141 | AC_CHECK_TYPES([pthread_spinlock_t]) |
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142 | ]) |
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143 | |
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144 | AC_CHECK_HEADER([signal.h],[ |
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145 | AC_CHECK_TYPES([sighandler_t]) |
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146 | ]) |
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147 | |
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148 | RTEMS_CHECK_MULTIPROCESSING |
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149 | RTEMS_CHECK_POSIX_API |
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150 | RTEMS_CHECK_NETWORKING |
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151 | RTEMS_CHECK_SMP |
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152 | RTEMS_CHECK_ATOMIC |
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153 | |
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154 | rtems_major=`echo _RTEMS_VERSION | sed "s/\..*//"` |
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155 | rtems_minor=`echo _RTEMS_VERSION | sed "s/[[0-9]][[0-9]]*\.//;s/\..*//"` |
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156 | rtems_revision=`echo _RTEMS_VERSION | sed "s/[[0-9]][[0-9]]*\.//;s/[[0-9]][[0-9]]*\.//;s/\..*//"` |
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157 | |
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158 | _RTEMS_CPUOPT_INIT |
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159 | |
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160 | RTEMS_CPUOPT([RTEMS_DEBUG], |
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161 | [test x"${enable_rtems_debug}" = x"yes"], |
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162 | [1], |
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163 | [if RTEMS_DEBUG is enabled]) |
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164 | |
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165 | RTEMS_CPUOPT([RTEMS_MULTIPROCESSING], |
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166 | [test x"$enable_multiprocessing" = xyes], |
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167 | [1], |
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168 | [if multiprocessing is enabled]) |
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169 | |
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170 | RTEMS_CPUOPT([RTEMS_NEWLIB], |
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171 | [test x"$RTEMS_USE_NEWLIB" = xyes], |
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172 | [1], |
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173 | [if using newlib]) |
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174 | |
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175 | RTEMS_CPUOPT([RTEMS_POSIX_API], |
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176 | [test x"$rtems_cv_HAS_POSIX_API" = xyes], |
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177 | [1], |
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178 | [if posix api is supported]) |
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179 | |
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180 | RTEMS_CPUOPT([RTEMS_SMP], |
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181 | [test x"$RTEMS_HAS_SMP" = xyes], |
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182 | [1], |
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183 | [if SMP is enabled]) |
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184 | |
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185 | RTEMS_CPUOPT([RTEMS_NETWORKING], |
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186 | [test x"$rtems_cv_HAS_NETWORKING" = xyes], |
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187 | [1], |
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188 | [if networking is enabled]) |
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189 | |
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190 | RTEMS_CPUOPT([RTEMS_ATOMIC], |
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191 | [test x"$rtems_cv_ATOMIC" = xyes], |
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192 | [1], |
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193 | [if cpu supports atomic operations]) |
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194 | |
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195 | RTEMS_CPUOPT([RTEMS_VERSION], |
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196 | [true], |
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197 | ["]_RTEMS_VERSION["], |
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198 | [RTEMS version string]) |
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199 | |
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200 | RTEMS_CPUOPT([__RTEMS_USE_TICKS_FOR_STATISTICS__], |
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201 | [test x"${USE_TICKS_FOR_STATISTICS}" = x"1"], |
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202 | [1], |
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203 | [disable nanosecond granularity for statistics]) |
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204 | |
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205 | ## This improves both the size and coverage analysis. |
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206 | RTEMS_CPUOPT([__RTEMS_DO_NOT_INLINE_THREAD_ENABLE_DISPATCH__], |
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207 | [test x"${RTEMS_DO_NOT_INLINE_THREAD_ENABLE_DISPATCH}" = x"1"], |
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208 | [1], |
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209 | [disable inlining _Thread_Enable_dispatch]) |
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210 | |
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211 | ## This improves both the size and coverage analysis. |
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212 | RTEMS_CPUOPT([__RTEMS_DO_NOT_INLINE_CORE_MUTEX_SEIZE__], |
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213 | [test x"${RTEMS_DO_NOT_INLINE_CORE_MUTEX_SEIZE}" = x"1"], |
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214 | [1], |
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215 | [disable inlining _Thread_Enable_dispatch]) |
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216 | |
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217 | ## This improves both the size and coverage analysis. |
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218 | RTEMS_CPUOPT([__RTEMS_DO_NOT_UNROLL_THREADQ_ENQUEUE_PRIORITY__], |
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219 | [test x"${RTEMS_DO_NOT_UNROLL_THREADQ_ENQUEUE_PRIORITY}" = x"1"], |
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220 | [1], |
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221 | [disable inlining _Thread_queue_Enqueue_priority]) |
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222 | |
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223 | ## This gives the same behavior as 4.8 and older |
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224 | RTEMS_CPUOPT([__RTEMS_STRICT_ORDER_MUTEX__], |
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225 | [test x"${ENABLE_STRICT_ORDER_MUTEX}" = x"1"], |
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226 | [1], |
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227 | [disable strict order mutex]) |
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228 | |
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229 | ## Deactivate ada bindings |
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230 | RTEMS_CPUOPT([__RTEMS_ADA__], |
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231 | [test x"${enable_ada}" = x"yes"], |
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232 | [1], |
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233 | [Define to 1 if ada/gnat bindings are built-in]) |
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234 | |
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235 | ## Then we propagate a private copy of the value into cpuopts.h |
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236 | ## so it is always available to the RTEMS header files. |
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237 | |
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238 | RTEMS_CPUOPT([__RTEMS_MAJOR__], |
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239 | [true], |
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240 | [$rtems_major], |
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241 | [major version portion of an RTEMS release]) |
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242 | |
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243 | RTEMS_CPUOPT([__RTEMS_MINOR__], |
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244 | [true], |
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245 | [$rtems_minor], |
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246 | [minor version portion of an RTEMS release]) |
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247 | |
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248 | RTEMS_CPUOPT([__RTEMS_REVISION__], |
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249 | [true], |
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250 | [$rtems_revision], |
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251 | [revision version portion of an RTEMS release]) |
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252 | |
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253 | _RTEMS_CPUOPT_FINI |
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254 | |
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255 | AC_ENABLE_MULTILIB([Makefile],[..]) |
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256 | |
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257 | # libmisc/shell/* wants to assign file descriptors to stdio file descriptors. |
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258 | AC_MSG_CHECKING([for assignable stdio]) |
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259 | AC_COMPILE_IFELSE( |
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260 | [AC_LANG_PROGRAM( |
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261 | [#include <stdio.h>], |
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262 | [stdin = fopen("/tmp", "r")])], |
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263 | [HAVE_ASSIGNABLE_STDIO=yes], |
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264 | [HAVE_ASSIGNABLE_STDIO=no]) |
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265 | AC_MSG_RESULT([$HAVE_ASSIGNABLE_STDIO]) |
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266 | |
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267 | # libmisc/serdbg exploits weak symbols |
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268 | RTEMS_CHECK_GCC_WEAK |
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269 | |
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270 | # FIXME: These checks are only in here to provide |
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271 | # configuration-time diagnostics and are not really used. |
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272 | AC_CHECK_DECLS([_POSIX_LOGIN_NAME_MAX],,,[#include <limits.h>]) |
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273 | AC_CHECK_DECLS([CHAR_BIT],,,[#include <limits.h>]) |
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274 | |
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275 | # FIXME: We should get rid of this. |
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276 | # So far, only used in libfs/src/nfsclient/src/dirutils.c |
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277 | AC_CHECK_SIZEOF([mode_t]) |
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278 | AC_CHECK_SIZEOF([off_t]) |
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279 | |
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280 | # FIXME: We should get rid of this. It's a cludge. |
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281 | AC_CHECK_SIZEOF([time_t]) |
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282 | |
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283 | # FIXME: Mandatory in SUSv4, optional in SUSv3. |
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284 | # Not implemented in GCC/newlib, so far. |
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285 | AC_CHECK_DECLS([WORD_BIT],,,[#include <limits.h>]) |
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286 | AC_CHECK_DECLS([LONG_BIT],,,[#include <limits.h>]) |
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287 | |
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288 | ## BSD-ism, excluded from POSIX, but available on most platforms |
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289 | AC_CHECK_DECLS([sbrk],,,[#include <unistd.h>]) |
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290 | AC_CHECK_DECLS([rcmd],,,[#include <unistd.h>]) |
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291 | |
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292 | ## Check if libc provides BSD's strlcpy/strlcat |
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293 | AC_CHECK_FUNCS(strlcpy strlcat) |
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294 | |
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295 | ## Check if libc provides decl of utime |
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296 | ## FIXME: utime has been deprecated in SUSv4. |
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297 | ## and is likely to be removed in future versions. |
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298 | ## FIXME (BUG in newlib): SUSv4 saids including <utime.h> should be sufficient. |
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299 | AC_CHECK_DECLS([utime],,,[#include <sys/types.h> |
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300 | #include <utime.h>]) |
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301 | ## Check if libc provides decl of utimes |
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302 | AC_CHECK_DECLS([utimes],,,[#include <sys/time.h>]) |
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303 | |
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304 | # ... far too many conditionals ... |
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305 | AM_CONDITIONAL(LIBRPC,[test x"$rtems_cv_HAS_NETWORKING" = x"yes"]) |
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306 | AM_CONDITIONAL(NEWLIB,test x"$RTEMS_USE_NEWLIB" = x"yes") |
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307 | |
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308 | AM_CONDITIONAL(HAS_MP,test x"$enable_multiprocessing" = x"yes" ) |
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309 | AM_CONDITIONAL(HAS_SMP,[test "$RTEMS_HAS_SMP" = "yes"]) |
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310 | |
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311 | AM_CONDITIONAL(HAS_PTHREADS,test x"$rtems_cv_HAS_POSIX_API" = x"yes") |
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312 | AM_CONDITIONAL(LIBNETWORKING,test x"$rtems_cv_HAS_NETWORKING" = x"yes") |
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313 | AM_CONDITIONAL([ATOMIC],[test x"$rtems_cv_ATOMIC" = x"yes"]) |
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314 | |
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315 | AM_CONDITIONAL([LIBSHELL],[test x"$HAVE_ASSIGNABLE_STDIO" = x"yes"]) |
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316 | AM_CONDITIONAL([LIBSERDBG],[test x"$rtems_cv_cc_attribute_weak" = x"yes"]) |
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317 | AM_CONDITIONAL([LIBGNAT],[test x"$rtems_cv_HAS_POSIX_API" = x"yes" \ |
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318 | && test x"$enable_ada" = x"yes"]) |
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319 | |
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320 | AM_CONDITIONAL([LIBDOSFS],[dnl |
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321 | test x"$ac_cv_type_uint8_t" = xyes \ |
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322 | && test x"$ac_cv_type_uint16_t" = xyes]) |
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323 | |
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324 | AC_CONFIG_HEADER(config.h) |
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325 | |
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326 | ## These are needed by the NFS Client |
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327 | AC_CHECK_PROG(RPCGEN,rpcgen,rpcgen) |
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328 | AM_CONDITIONAL([RPCTOOLS],[test "$RPCGEN" = rpcgen \ |
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329 | && test -n "$AWK" \ |
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330 | && test "$enable_rpcgen" = yes]) |
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331 | |
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332 | RTEMS_AMPOLISH3 |
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333 | |
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334 | # Explicitly list all Makefiles here |
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335 | AC_CONFIG_FILES([ |
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336 | Doxyfile |
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337 | Makefile |
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338 | rtems/Makefile |
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339 | sapi/Makefile |
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340 | score/Makefile |
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341 | score/cpu/Makefile |
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342 | score/cpu/arm/Makefile |
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343 | score/cpu/bfin/Makefile |
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344 | score/cpu/avr/Makefile |
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345 | score/cpu/h8300/Makefile |
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346 | score/cpu/i386/Makefile |
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347 | score/cpu/lm32/Makefile |
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348 | score/cpu/m68k/Makefile |
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349 | score/cpu/m32c/Makefile |
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350 | score/cpu/m32r/Makefile |
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351 | score/cpu/mips/Makefile |
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352 | score/cpu/moxie/Makefile |
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353 | score/cpu/nios2/Makefile |
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354 | score/cpu/powerpc/Makefile |
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355 | score/cpu/sh/Makefile |
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356 | score/cpu/sparc/Makefile |
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357 | score/cpu/sparc64/Makefile |
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358 | score/cpu/v850/Makefile |
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359 | score/cpu/no_cpu/Makefile |
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360 | posix/Makefile |
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361 | libblock/Makefile |
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362 | libfs/Makefile |
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363 | libfs/src/nfsclient/Makefile |
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364 | libgnat/Makefile |
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365 | libcsupport/Makefile |
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366 | libnetworking/Makefile |
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367 | librpc/Makefile |
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368 | libmisc/Makefile |
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369 | libi2c/Makefile |
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370 | libmd/Makefile |
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371 | zlib/Makefile |
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372 | ftpd/Makefile |
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373 | telnetd/Makefile |
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374 | pppd/Makefile |
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375 | mghttpd/Makefile |
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376 | wrapup/Makefile]) |
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377 | |
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378 | AC_CONFIG_COMMANDS([preinstall-stamp], |
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379 | [test -z "$with_multisubdir" && ${MAKE} preinstall-stamp], |
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380 | [MAKE=${MAKE} |
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381 | with_multisubdir="$with_multisubdir"]) |
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382 | |
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383 | AC_OUTPUT |
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