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1 dnl aclocal.m4 -- extra macros for configuring Octave |
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2 dnl |
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3 dnl Copyright (C) 1996, 1997 John W. Eaton |
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4 dnl |
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5 dnl This file is part of Octave. |
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6 dnl |
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7 dnl Octave is free software; you can redistribute it and/or modify it |
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8 dnl under the terms of the GNU General Public License as published by the |
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9 dnl Free Software Foundation; either version 2, or (at your option) any |
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10 dnl later version. |
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11 dnl |
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12 dnl Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 dnl ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 dnl FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 dnl for more details. |
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16 dnl |
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17 dnl You should have received a copy of the GNU General Public License |
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18 dnl along with Octave; see the file COPYING. If not, write to the Free |
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19 dnl Software Foundation, 59 Temple Place - Suite 330, Boston, MA |
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20 dnl 02111-1307, USA. |
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21 dnl |
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22 dnl ---------------------------------------------------------------------- |
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23 dnl |
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24 dnl Figure out the hardware-vendor-os info. |
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25 dnl |
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26 dnl OCTAVE_HOST_TYPE |
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27 AC_DEFUN(OCTAVE_HOST_TYPE, |
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28 [AC_CANONICAL_HOST |
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29 if test -z "$host"; then |
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30 host=unknown |
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31 fi |
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32 canonical_host_type=$host |
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33 if test "$host" = unknown; then |
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34 AC_MSG_WARN([configuring Octave for unknown system type |
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35 ]) |
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36 fi |
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3130
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37 AC_SUBST(canonical_host_type)]) |
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38 dnl |
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39 dnl Set default value for a variable and substitute it. |
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40 dnl |
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41 dnl OCTAVE_SET_DEFAULT |
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42 AC_DEFUN(OCTAVE_SET_DEFAULT, |
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3176
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43 [ifelse($#, 2, [: ${$1=$2} |
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44 ])dnl |
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45 AC_MSG_RESULT([defining $1 to be $$1]) |
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46 AC_SUBST($1)]) |
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47 dnl |
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48 dnl |
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49 dnl OCTAVE_CHECK_EXCLUSIVE_WITH_OPTIONS |
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50 AC_DEFUN(OCTAVE_CHECK_EXCLUSIVE_WITH_OPTIONS, |
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51 [if test "${with_$1+set}" = set; then |
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52 if test "${with_$2+set}" = set; then |
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53 if test "$with_$2" = no; then |
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54 true |
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55 else |
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56 $3 |
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57 fi |
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58 fi |
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59 fi]) |
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60 dnl |
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3130
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61 dnl Check for ar. |
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62 dnl |
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63 AC_DEFUN(OCTAVE_PROG_AR, |
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64 [if test -z "$AR"; then |
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65 AR=ar |
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66 fi |
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67 AC_SUBST(AR) |
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68 |
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69 if test -z "$ARFLAGS"; then |
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70 ARFLAGS="rc" |
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71 fi |
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72 AC_SUBST(ARFLAGS) |
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73 ]) |
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74 dnl |
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2574
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75 dnl See if the standard string class has npos as a member. |
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76 dnl |
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77 AC_DEFUN(OCTAVE_STRING_NPOS, |
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78 [AC_CACHE_CHECK([whether including <string> defines NPOS], |
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79 octave_cv_string_npos, |
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3888
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80 [AC_LANG_PUSH(C++) |
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81 AC_TRY_COMPILE([#include <string>], |
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82 [size_t foo = NPOS], |
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83 octave_cv_string_npos=yes, octave_cv_string_npos=no)]) |
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84 if test $octave_cv_string_npos = no; then |
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85 AC_DEFINE(NPOS, [std::string::npos], [Define (to string::npos) if <string> doesn't]) |
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86 fi |
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87 AC_LANG_POP(C++) |
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88 ]) |
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89 dnl |
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90 dnl The following test is from Karl Berry's Kpathseach library. I'm |
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91 dnl including it here in case we someday want to make the use of |
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92 dnl kpathsea optional. |
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93 dnl |
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94 dnl Some BSD putenv's, e.g., FreeBSD, do malloc/free's on the environment. |
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95 dnl This test program is due to Mike Hibler <mike@cs.utah.edu>. |
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96 dnl We don't actually need to run this if we don't have putenv, but it |
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97 dnl doesn't hurt. |
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98 AC_DEFUN(OCTAVE_SMART_PUTENV, |
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99 [AC_MSG_CHECKING(whether putenv uses malloc) |
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100 AC_CACHE_VAL(octave_cv_func_putenv_malloc, |
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101 [AC_TRY_RUN([ |
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102 #define VAR "YOW_VAR" |
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103 #define STRING1 "GabbaGabbaHey" |
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104 #define STRING2 "Yow!!" /* should be shorter than STRING1 */ |
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105 extern char *getenv (); /* in case char* and int don't mix gracefully */ |
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106 main () |
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107 { |
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108 char *str1, *rstr1, *str2, *rstr2; |
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109 str1 = getenv (VAR); |
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110 if (str1) |
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111 exit (1); |
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112 str1 = malloc (strlen (VAR) + 1 + strlen (STRING1) + 1); |
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113 if (str1 == 0) |
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114 exit (2); |
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115 strcpy (str1, VAR); |
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116 strcat (str1, "="); |
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117 strcat (str1, STRING1); |
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118 if (putenv (str1) < 0) |
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119 exit (3); |
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120 rstr1 = getenv (VAR); |
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121 if (rstr1 == 0) |
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122 exit (4); |
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123 rstr1 -= strlen (VAR) + 1; |
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124 if (strncmp (rstr1, VAR, strlen (VAR))) |
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125 exit (5); |
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126 str2 = malloc (strlen (VAR) + 1 + strlen (STRING2) + 1); |
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127 if (str2 == 0 || str1 == str2) |
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128 exit (6); |
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129 strcpy (str2, VAR); |
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130 strcat (str2, "="); |
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131 strcat (str2, STRING2); |
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132 if (putenv (str2) < 0) |
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133 exit (7); |
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134 rstr2 = getenv (VAR); |
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135 if (rstr2 == 0) |
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136 exit (8); |
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137 rstr2 -= strlen (VAR) + 1; |
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138 #if 0 |
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139 printf ("rstr1=0x%x, rstr2=0x%x\n", rstr1, rstr2); |
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140 /* |
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141 * If string from first call was reused for the second call, |
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142 * you had better not do a free on the first string! |
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143 */ |
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144 if (rstr1 == rstr2) |
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145 printf ("#define SMART_PUTENV\n"); |
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146 else |
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147 printf ("#undef SMART_PUTENV\n"); |
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148 #endif |
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149 exit (rstr1 == rstr2 ? 0 : 1); |
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150 }], octave_cv_func_putenv_malloc=yes, octave_cv_func_putenv_malloc=no, |
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151 octave_cv_func_putenv_malloc=no)])dnl |
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152 AC_MSG_RESULT($octave_cv_func_putenv_malloc) |
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153 if test $octave_cv_func_putenv_malloc = yes; then |
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154 AC_DEFINE(SMART_PUTENV,1,[To quiet autoheader.]) |
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155 fi]) |
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156 dnl |
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157 dnl These two checks for signal functions were originally part of the |
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158 dnl aclocal.m4 file distributed with bash 2.0. |
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159 dnl |
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160 dnl Check type of signal routines (posix, 4.2bsd, 4.1bsd or v7) |
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161 AC_DEFUN(OCTAVE_SIGNAL_CHECK, |
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162 [AC_REQUIRE([AC_TYPE_SIGNAL]) |
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163 AC_MSG_CHECKING(for type of signal functions) |
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164 AC_CACHE_VAL(octave_cv_signal_vintage, |
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165 [ |
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166 AC_TRY_LINK([#include <signal.h>],[ |
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167 sigset_t ss; |
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168 struct sigaction sa; |
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169 sigemptyset(&ss); sigsuspend(&ss); |
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170 sigaction(SIGINT, &sa, (struct sigaction *) 0); |
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171 sigprocmask(SIG_BLOCK, &ss, (sigset_t *) 0); |
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172 ], octave_cv_signal_vintage=posix, |
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173 [ |
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174 AC_TRY_LINK([#include <signal.h>], [ |
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175 int mask = sigmask(SIGINT); |
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176 sigsetmask(mask); sigblock(mask); sigpause(mask); |
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177 ], octave_cv_signal_vintage=4.2bsd, |
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178 [ |
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179 AC_TRY_LINK([ |
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180 #include <signal.h> |
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181 RETSIGTYPE foo() { }], [ |
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182 int mask = sigmask(SIGINT); |
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183 sigset(SIGINT, foo); sigrelse(SIGINT); |
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184 sighold(SIGINT); sigpause(SIGINT); |
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185 ], octave_cv_signal_vintage=svr3, octave_cv_signal_vintage=v7 |
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186 )] |
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187 )] |
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188 ) |
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189 ]) |
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190 AC_MSG_RESULT($octave_cv_signal_vintage) |
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191 if test "$octave_cv_signal_vintage" = posix; then |
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192 AC_DEFINE(HAVE_POSIX_SIGNALS,1,[Define if you have POSIX style signals.]) |
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193 elif test "$octave_cv_signal_vintage" = "4.2bsd"; then |
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194 AC_DEFINE(HAVE_BSD_SIGNALS,1,[Define if you have BSD style signals.]) |
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195 elif test "$octave_cv_signal_vintage" = svr3; then |
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196 AC_DEFINE(HAVE_USG_SIGHOLD,1,[Define if you have System V Release 3 signals.]) |
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197 fi |
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198 ]) |
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199 dnl |
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200 AC_DEFUN(OCTAVE_REINSTALL_SIGHANDLERS, |
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201 [AC_REQUIRE([AC_TYPE_SIGNAL]) |
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202 AC_REQUIRE([OCTAVE_SIGNAL_CHECK]) |
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203 AC_MSG_CHECKING([if signal handlers must be reinstalled when invoked]) |
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204 AC_CACHE_VAL(octave_cv_must_reinstall_sighandlers, |
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205 [AC_TRY_RUN([ |
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206 #include <signal.h> |
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207 #ifdef HAVE_UNISTD_H |
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208 #include <unistd.h> |
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209 #endif |
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210 typedef RETSIGTYPE sigfunc(); |
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211 int nsigint; |
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212 #ifdef HAVE_POSIX_SIGNALS |
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213 sigfunc * |
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214 set_signal_handler(sig, handler) |
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215 int sig; |
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216 sigfunc *handler; |
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217 { |
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218 struct sigaction act, oact; |
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219 act.sa_handler = handler; |
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220 act.sa_flags = 0; |
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221 sigemptyset (&act.sa_mask); |
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222 sigemptyset (&oact.sa_mask); |
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223 sigaction (sig, &act, &oact); |
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224 return (oact.sa_handler); |
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225 } |
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226 #else |
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227 #define set_signal_handler(s, h) signal(s, h) |
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228 #endif |
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229 RETSIGTYPE |
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230 sigint(s) |
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231 int s; |
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232 { |
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233 nsigint++; |
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234 } |
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235 main() |
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236 { |
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237 nsigint = 0; |
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238 set_signal_handler(SIGINT, sigint); |
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239 kill((int)getpid(), SIGINT); |
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240 kill((int)getpid(), SIGINT); |
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241 exit(nsigint != 2); |
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242 } |
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243 ], octave_cv_must_reinstall_sighandlers=no, octave_cv_must_reinstall_sighandlers=yes, |
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244 if test "$octave_cv_signal_vintage" = svr3; then |
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245 octave_cv_must_reinstall_sighandlers=yes |
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246 else |
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247 octave_cv_must_reinstall_sighandlers=no |
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248 fi)]) |
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249 if test "$cross_compiling" = yes; then |
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250 AC_MSG_RESULT([$octave_cv_must_reinstall_sighandlers assumed for cross compilation]) |
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251 else |
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252 AC_MSG_RESULT($octave_cv_must_reinstall_sighandlers) |
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253 fi |
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2491
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254 if test "$octave_cv_must_reinstall_sighandlers" = yes; then |
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255 AC_DEFINE(MUST_REINSTALL_SIGHANDLERS,1,[Define if signal handlers must be reinstalled after they are called.]) |
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256 fi |
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257 ]) |
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258 dnl |
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259 dnl Check to see if C++ compiler needs the new friend template declaration |
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260 dnl syntax. |
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261 dnl |
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262 dnl OCTAVE_CXX_NEW_FRIEND_TEMPLATE_DECL |
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263 AC_DEFUN(OCTAVE_CXX_NEW_FRIEND_TEMPLATE_DECL, [ |
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264 AC_REQUIRE([AC_PROG_CXX]) |
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265 AC_MSG_CHECKING([for C++ support for new friend template declaration]) |
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266 AC_CACHE_VAL(octave_cv_cxx_new_friend_template_decl, [ |
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267 AC_LANG_PUSH(C++) |
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268 rm -f conftest.h |
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269 cat > conftest.h <<EOB |
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270 struct A { |
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271 friend int operator== (const A&, const A&); |
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272 A (int) { } |
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273 }; |
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274 |
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275 template <class T> int |
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276 operator== (const T&, const T&) |
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277 { |
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278 return 0; |
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279 } |
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280 EOB |
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281 AC_TRY_LINK([#include "conftest.h"], [ |
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282 A a (1); |
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283 return a == A(1); |
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284 ], |
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285 octave_cv_cxx_new_friend_template_decl=no, |
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286 octave_cv_cxx_new_friend_template_decl=yes |
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287 ) |
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288 AC_LANG_POP(C++) |
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289 ]) |
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290 AC_MSG_RESULT($octave_cv_cxx_new_friend_template_decl) |
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291 if test $octave_cv_cxx_new_friend_template_decl = yes; then |
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292 AC_DEFINE(CXX_NEW_FRIEND_TEMPLATE_DECL,1,[Define if your compiler supports `<>' stuff for template friends.]) |
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293 fi |
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294 ]) |
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295 dnl |
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3233
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296 dnl Check to see if C compiler handles FLAG command line option. If |
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297 dnl two arguments are specified, execute the second arg as shell |
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298 dnl commands. Otherwise, add FLAG to CFLAGS if the compiler accepts |
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299 dnl the flag. |
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3126
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300 dnl |
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301 dnl OCTAVE_CC_FLAG |
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302 AC_DEFUN(OCTAVE_CC_FLAG, [ |
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303 ac_safe=`echo "$1" | sed 'y%./+-:=%__p___%'` |
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304 AC_MSG_CHECKING(whether ${CC-cc} accepts $1) |
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305 AC_CACHE_VAL(octave_cv_cc_flag_$ac_safe, [ |
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306 AC_LANG_PUSH(C) |
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307 XCFLAGS="$CFLAGS" |
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308 CFLAGS="$CFLAGS $1" |
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309 AC_TRY_LINK([], [], |
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310 eval "octave_cv_cc_flag_$ac_safe=yes", |
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311 eval "octave_cv_cc_flag_$ac_safe=no") |
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312 CFLAGS="$XCFLAGS" |
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313 AC_LANG_POP(C) |
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314 ]) |
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315 if eval "test \"`echo '$octave_cv_cc_flag_'$ac_safe`\" = yes"; then |
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316 AC_MSG_RESULT(yes) |
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317 ifelse([$2], , [ |
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318 CFLAGS="$CFLAGS $1" |
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319 AC_MSG_RESULT([adding $1 to CFLAGS])], [$2]) |
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320 else |
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321 AC_MSG_RESULT(no) |
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322 ifelse([$3], , , [$3]) |
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323 fi |
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324 ]) |
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325 dnl |
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3233
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326 dnl Check to see if C++ compiler handles FLAG command line option. If |
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327 dnl two arguments are specified, execute the second arg as shell |
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328 dnl commands. Otherwise, add FLAG to CXXFLAGS if the compiler accepts |
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329 dnl the flag. |
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330 dnl |
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331 dnl OCTAVE_CXX_FLAG |
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332 AC_DEFUN(OCTAVE_CXX_FLAG, [ |
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333 ac_safe=`echo "$1" | sed 'y%./+-:=%__p___%'` |
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334 AC_MSG_CHECKING(whether ${CXX-g++} accepts $1) |
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335 AC_CACHE_VAL(octave_cv_cxx_flag_$ac_safe, [ |
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336 AC_LANG_PUSH(C++) |
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337 XCXXFLAGS="$CXXFLAGS" |
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338 CXXFLAGS="$CXXFLAGS $1" |
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339 AC_TRY_LINK([], [], |
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340 eval "octave_cv_cxx_flag_$ac_safe=yes", |
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341 eval "octave_cv_cxx_flag_$ac_safe=no") |
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342 CXXFLAGS="$XCXXFLAGS" |
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343 AC_LANG_POP(C++) |
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3126
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344 ]) |
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345 if eval "test \"`echo '$octave_cv_cxx_flag_'$ac_safe`\" = yes"; then |
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346 AC_MSG_RESULT(yes) |
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3131
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347 ifelse([$2], , [ |
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348 CXXFLAGS="$CXXFLAGS $1" |
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349 AC_MSG_RESULT([adding $1 to CXXFLAGS])], [$2]) |
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3126
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350 else |
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351 AC_MSG_RESULT(no) |
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352 ifelse([$3], , , [$3]) |
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353 fi |
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354 ]) |
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3130
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355 dnl |
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3729
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356 dnl Check for flex |
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357 dnl |
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358 AC_DEFUN(OCTAVE_PROG_FLEX, [ |
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359 ### For now, don't define LEXLIB to be -lfl -- we don't use anything in |
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360 ### it, and it might not be installed. |
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361 ### |
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362 ### Also make sure that we generate an interactive scanner if we are |
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363 ### using flex. |
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364 AC_PROG_LEX |
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365 case "$LEX" in |
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366 flex*) |
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367 LFLAGS="-t -I" |
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368 AC_MSG_RESULT([defining LFLAGS to be $LFLAGS]) |
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369 LEXLIB= |
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370 ;; |
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371 *) |
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372 LEX='$(top_srcdir)/missing flex' |
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373 warn_flex="I didn't find flex, but it's only a problem if you need to reconstruct lex.cc" |
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374 AC_MSG_WARN($warn_flex) |
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375 ;; |
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376 esac |
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377 AC_SUBST(LFLAGS) |
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378 ]) |
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379 dnl |
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380 dnl Check for bison |
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381 dnl |
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382 AC_DEFUN(OCTAVE_PROG_BISON, [ |
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383 AC_PROG_YACC |
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384 case "$YACC" in |
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385 bison*) |
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386 ;; |
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387 *) |
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388 YACC='$(top_srcdir)/missing bison' |
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389 warn_bison="I didn't find bison, but it's only a problem if you need to reconstruct parse.cc" |
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390 AC_MSG_WARN($warn_bison) |
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391 ;; |
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392 esac |
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393 ]) |
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394 dnl |
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3130
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395 dnl What pager should we use? |
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396 dnl |
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397 AC_DEFUN(OCTAVE_PROG_PAGER, |
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398 [if test "$cross_compiling" = yes; then |
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399 DEFAULT_PAGER=less |
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400 AC_MSG_RESULT(assuming $DEFAULT_PAGER exists on $canonical_host_type host) |
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401 AC_SUBST(DEFAULT_PAGER) |
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402 else |
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403 octave_possible_pagers="less more page pg" |
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404 case "$canonical_host_type" in |
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3971
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405 *-*-cygwin*) |
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3130
|
406 octave_possible_pagers="$octave_possible_pagers more.com" |
|
|
407 ;; |
|
|
408 esac |
|
|
409 |
|
|
410 AC_CHECK_PROGS(DEFAULT_PAGER, $octave_possible_pagers, []) |
|
|
411 if test -z "$DEFAULT_PAGER"; then |
|
|
412 warn_less="I couldn't find \`less', \`more', \`page', or \`pg'" |
|
|
413 AC_MSG_WARN($warn_less) |
|
|
414 fi |
|
|
415 fi |
|
|
416 ]) |
|
|
417 dnl |
|
|
418 dnl Does gnuplot exist? Is it a recent version? |
|
|
419 dnl |
|
|
420 AC_DEFUN(OCTAVE_PROG_GNUPLOT, |
|
|
421 [if test "$cross_compiling" = yes; then |
|
|
422 GNUPLOT_BINARY=gnuplot |
|
|
423 AC_MSG_RESULT(assuming $GNUPLOT_BINARY exists on $canonical_host_type host) |
|
|
424 AC_SUBST(DEFAULT_PAGER) |
|
|
425 AC_MSG_RESULT(assuming $GNUPLOT_BINARY supports multiplot mode) |
|
3887
|
426 AC_DEFINE(GNUPLOT_HAS_MULTIPLOT, 1, [Define if gnuplot has multiplot.]) |
|
3130
|
427 AC_MSG_RESULT(assuming $GNUPLOT_BINARY supports multiple frams) |
|
3887
|
428 AC_DEFINE(GNUPLOT_HAS_FRAMES, 1, [Define if gnuplot has frames.]) |
|
3130
|
429 else |
|
|
430 AC_CHECK_PROG(GNUPLOT_BINARY, gnuplot, gnuplot, []) |
|
|
431 if test -n "$GNUPLOT_BINARY"; then |
|
|
432 AC_MSG_CHECKING([to see if your gnuplot supports multiplot]) |
|
|
433 if test -z "`echo 'set term unknown; set multiplot' | \ |
|
|
434 $GNUPLOT_BINARY 2>&1`"; then |
|
|
435 AC_MSG_RESULT([yes]) |
|
|
436 AC_DEFINE(GNUPLOT_HAS_MULTIPLOT, 1) |
|
|
437 else |
|
|
438 AC_MSG_RESULT([no]) |
|
|
439 fi |
|
|
440 AC_MSG_CHECKING([to see if your gnuplot supports multiple plot windows]) |
|
|
441 if test -z "`echo 'set term x11 2' | $GNUPLOT_BINARY 2>&1`"; then |
|
|
442 AC_MSG_RESULT([yes]) |
|
|
443 AC_DEFINE(GNUPLOT_HAS_FRAMES, 1) |
|
|
444 else |
|
|
445 AC_MSG_RESULT([no]) |
|
|
446 fi |
|
|
447 else |
|
|
448 warn_gnuplot="yes" |
|
|
449 |
|
|
450 ## If you change this text, be sure to also copy it to the set of |
|
|
451 ## warnings at the end of the script |
|
|
452 |
|
|
453 AC_MSG_WARN([I didn't find gnuplot. It isn't necessary to have gnuplot]) |
|
|
454 AC_MSG_WARN([installed, but you won't be able to use any of Octave's]) |
|
|
455 AC_MSG_WARN([plotting commands without it.]) |
|
|
456 AC_MSG_WARN([]) |
|
|
457 AC_MSG_WARN([If gnuplot is installed but it isn't in your path, you can]) |
|
|
458 AC_MSG_WARN([tell Octave where to find it by typing the command]) |
|
|
459 AC_MSG_WARN([]) |
|
|
460 AC_MSG_WARN([gnuplot_binary = "/full/path/to/gnuplot/binary"]) |
|
|
461 AC_MSG_WARN([]) |
|
|
462 AC_MSG_WARN([at the Octave prompt.]) |
|
|
463 fi |
|
|
464 fi |
|
|
465 ]) |
|
|
466 dnl |
|
|
467 dnl Is DejaGNU installed? |
|
|
468 dnl |
|
3222
|
469 dnl OCTAVE_PROG_RUNTEST |
|
3130
|
470 AC_DEFUN(OCTAVE_PROG_RUNTEST, |
|
|
471 [if test "$cross_compiling" = yes; then |
|
|
472 RUNTEST=runtest |
|
|
473 AC_MSG_RESULT(assuming $RUNTEST exists on $canonical_host_type host) |
|
|
474 AC_SUBST(RUNTEST) |
|
|
475 else |
|
|
476 AC_CHECK_PROG(RUNTEST, runtest, runtest, []) |
|
|
477 if test -z "$RUNTEST"; then |
|
|
478 warn_runtest="I didn't find runtest -- install DejaGNU if you want to run \`make check'" |
|
|
479 AC_MSG_WARN($warn_runtest) |
|
|
480 fi |
|
|
481 AC_SUBST(RUNTEST) |
|
|
482 fi |
|
|
483 ]) |
|
3222
|
484 dnl |
|
3673
|
485 dnl Is gperf installed? |
|
|
486 dnl |
|
|
487 dnl OCTAVE_PROG_GPERF |
|
3731
|
488 AC_DEFUN(OCTAVE_PROG_GPERF, [ |
|
|
489 AC_CHECK_PROG(GPERF, gperf, gperf, []) |
|
|
490 if test -n "$GPERF"; then |
|
|
491 if echo "%{ |
|
|
492 %} |
|
|
493 %% |
|
3750
|
494 foo" | $GPERF -t -C -D -E -G -L ANSI-C -H octave_kw_hash -N octave_kw_lookup > /dev/null 2>&1; then |
|
3731
|
495 true |
|
|
496 else |
|
|
497 GPERF="" |
|
|
498 warn_gperf="I found gperf, but it does not support all of the following options: -t -C -D -E -G -L ANSI-C -H -N; you need gperf 2.7 or a more recent version" |
|
|
499 AC_MSG_WARN($warn_gperf) |
|
|
500 fi |
|
|
501 else |
|
|
502 GPERF='$(top_srcdir)/missing gperf' |
|
|
503 warn_gperf="I didn't find gperf, but it's only a problem if you need to reconstruct oct-gperf.h" |
|
|
504 AC_MSG_WARN($warn_gperf) |
|
|
505 fi |
|
|
506 AC_SUBST(GPERF) |
|
3673
|
507 ]) |
|
|
508 dnl |
|
3222
|
509 dnl Find nm. |
|
|
510 dnl |
|
|
511 dnl OCTAVE_PROG_NM |
|
|
512 AC_DEFUN(OCTAVE_PROG_NM, |
|
|
513 [if test "$cross_compiling" = yes; then |
|
|
514 NM=nm |
|
|
515 AC_MSG_RESULT(assuming $NM exists on $canonical_host_type host) |
|
|
516 AC_SUBST(NM) |
|
|
517 else |
|
|
518 AC_CHECK_PROG(NM, nm, nm, []) |
|
|
519 AC_SUBST(NM) |
|
|
520 fi |
|
|
521 ]) |
|
|
522 dnl |
|
|
523 dnl See if the C++ compiler prepends an underscore to external names. |
|
|
524 dnl |
|
|
525 dnl OCTAVE_CXX_PREPENDS_UNDERSCORE |
|
|
526 AC_DEFUN(OCTAVE_CXX_PREPENDS_UNDERSCORE, |
|
|
527 [AC_MSG_CHECKING([whether ${CXX-g++} prepends an underscore to external names]) |
|
|
528 AC_CACHE_VAL(octave_cv_cxx_prepends_underscore, |
|
|
529 [octave_cv_cxx_prepends_underscore=no |
|
3888
|
530 AC_LANG_PUSH(C++) |
|
3222
|
531 cat > conftest.$ac_ext <<EOF |
|
3842
|
532 bool FSmy_dld_fcn (void) { return false; } |
|
3222
|
533 EOF |
|
|
534 if AC_TRY_EVAL(ac_compile); then |
|
|
535 if test "`${NM-nm} conftest.o | grep _FSmy_dld_fcn`" != ""; then |
|
|
536 octave_cv_cxx_prepends_underscore=yes |
|
|
537 fi |
|
|
538 else |
|
3888
|
539 echo "configure: failed program was:" >&AS_MESSAGE_LOG_FD |
|
|
540 cat conftest.$ac_ext >&AS_MESSAGE_LOG_FD |
|
3222
|
541 fi |
|
3888
|
542 AC_LANG_POP(C++) |
|
3222
|
543 ]) |
|
|
544 AC_MSG_RESULT($octave_cv_cxx_prepends_underscore) |
|
|
545 if test $octave_cv_cxx_prepends_underscore = yes; then |
|
3887
|
546 AC_DEFINE(CXX_PREPENDS_UNDERSCORE, 1, [Define if your compiler prepends underscores to external names.]) |
|
3222
|
547 fi |
|
|
548 ]) |
|
3769
|
549 dnl |
|
|
550 dnl See if the C++ library is ISO compliant. |
|
|
551 dnl FIXME: This is obviously very simplistic, and trivially fooled. |
|
|
552 dnl |
|
|
553 dnl OCTAVE_CXX_ISO_COMPLIANT_LIBRARY |
|
|
554 AC_DEFUN(OCTAVE_CXX_ISO_COMPLIANT_LIBRARY, [ |
|
|
555 AC_REQUIRE([AC_PROG_CXX]) |
|
|
556 AC_MSG_CHECKING([if C++ library is ISO compliant]) |
|
|
557 AC_CACHE_VAL(octave_cv_cxx_iso_compliant_library, [ |
|
3888
|
558 AC_LANG_PUSH(C++) |
|
3769
|
559 rm -f conftest.h |
|
3943
|
560 ### Omitting cwctype for now, since it is broken with gcc-3.0.x and |
|
|
561 ### possibly other versions... |
|
3769
|
562 for inc in algorithm bitset cassert cctype cerrno cfloat ciso646 \ |
|
|
563 climits clocale cmath complex csetjmp csignal cstdarg cstddef \ |
|
3943
|
564 cstdio cstdlib cstring ctime cwchar deque exception \ |
|
3769
|
565 fstream functional iomanip ios iosfwd iostream istream iterator \ |
|
|
566 limits list locale map memory new numeric ostream queue set \ |
|
|
567 sstream stack stdexcept streambuf string strstream typeinfo \ |
|
|
568 utility valarray vector; do |
|
|
569 echo "#include <$inc>" >> conftest.h |
|
|
570 done |
|
|
571 AC_TRY_LINK([#include "conftest.h"], [ |
|
|
572 std::bitset<50> flags; |
|
|
573 flags.set(); |
|
|
574 int digits = std::numeric_limits<unsigned long>::digits; |
|
|
575 digits = 0; |
|
|
576 ], |
|
|
577 octave_cv_cxx_iso_compliant_library=yes, |
|
|
578 octave_cv_cxx_iso_compliant_library=no |
|
|
579 ) |
|
3888
|
580 AC_LANG_POP(C++) |
|
3769
|
581 ]) |
|
|
582 AC_MSG_RESULT($octave_cv_cxx_iso_compliant_library) |
|
|
583 if test $octave_cv_cxx_iso_compliant_library = yes; then |
|
3887
|
584 AC_DEFINE(CXX_ISO_COMPLIANT_LIBRARY, 1, [Define if your C++ runtime library is ISO compliant.]) |
|
3769
|
585 fi |
|
|
586 ]) |
|
3822
|
587 dnl |
|
|
588 dnl Allow the user disable support for command line editing using GNU |
|
|
589 dnl readline. |
|
|
590 dnl |
|
|
591 dnl OCTAVE_ENABLE_READLINE |
|
|
592 AC_DEFUN(OCTAVE_ENABLE_READLINE, [ |
|
|
593 USE_READLINE=true |
|
|
594 AC_ARG_ENABLE(readline, |
|
|
595 [ --enable-readline use readline library (default is yes)], |
|
|
596 [if test "$enableval" = no; then |
|
3824
|
597 USE_READLINE=false |
|
3825
|
598 warn_readline="command editing and history features require GNU Readline" |
|
3824
|
599 fi]) |
|
3822
|
600 if $USE_READLINE; then |
|
|
601 AC_CHECK_LIB(readline, rl_set_keyboard_input_timeout, [ |
|
|
602 LIBS="-lreadline $LIBS" |
|
3887
|
603 AC_DEFINE(USE_READLINE, 1, [Define to use the readline library.]) |
|
3822
|
604 ], [ |
|
3824
|
605 AC_MSG_WARN([I need GNU Readline 4.2 or later]) |
|
|
606 AC_MSG_ERROR([this is fatal unless you specify --disable-readline]) |
|
3822
|
607 ]) |
|
|
608 fi |
|
|
609 ]) |
|
3842
|
610 dnl |
|
|
611 dnl Determine the C++ compiler ABI. It sets the macro CXX_ABI to the |
|
|
612 dnl name of the ABI, and is used to mangle the C linkage loadable |
|
|
613 dnl functions to avoid ABI mismatch. GNU C++ currently uses gnu_v2 |
|
|
614 dnl (GCC versions <= 2.95.x) dnl or gnu_v3 (GCC versions >= 3.0). |
|
|
615 dnl Set to "unknown" is when we don't know enough about the ABI, which |
|
|
616 dnl will happen when using an unsupported C++ compiler. |
|
|
617 dnl |
|
|
618 dnl OCTAVE_CXX_ABI |
|
|
619 AC_DEFUN(OCTAVE_CXX_ABI, |
|
|
620 [AC_MSG_CHECKING([C++ ABI version used by ${CXX}]) |
|
|
621 AC_CACHE_VAL(octave_cv_cxx_abi, |
|
|
622 [octave_cv_cxx_abi='unknown' |
|
3888
|
623 AC_LANG_PUSH(C++) |
|
3842
|
624 cat > conftest.$ac_ext <<EOF |
|
|
625 bool FSmy_dld_fcn (void) { return false; } |
|
|
626 EOF |
|
|
627 if AC_TRY_EVAL(ac_compile); then |
|
|
628 if test "`${NM-nm} conftest.o | grep FSmy_dld_fcn__Fv`" != ""; then |
|
|
629 octave_cv_cxx_abi='gnu_v2' |
|
|
630 fi |
|
|
631 if test "`${NM-nm} conftest.o | grep _Z12FSmy_dld_fcnv`" != ""; then |
|
|
632 octave_cv_cxx_abi='gnu_v3' |
|
|
633 fi |
|
|
634 if test "`${NM-nm} conftest.o | grep __1cMFSmy_dld_fcn6F_b_`" != ""; then |
|
3843
|
635 octave_cv_cxx_abi='sun_v5' |
|
3842
|
636 fi |
|
|
637 else |
|
3888
|
638 echo "configure: failed program was:" >&AS_MESSAGE_LOG_FD |
|
|
639 cat conftest.$ac_ext >&AS_MESSAGE_LOG_FD |
|
3842
|
640 fi |
|
3888
|
641 AC_LANG_POP(C++) |
|
3842
|
642 ]) |
|
|
643 AC_MSG_RESULT($octave_cv_cxx_abi) |
|
3887
|
644 AC_DEFINE_UNQUOTED(CXX_ABI, $octave_cv_cxx_abi, [Define to the C++ ABI your compiler uses.]) |
|
3842
|
645 ]) |
|
|
646 |
