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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 "$host" = unknown; then |
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34 AC_MSG_WARN([configuring Octave for unknown system type |
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35 ]) |
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36 fi |
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3130
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37 AC_SUBST(canonical_host_type)]) |
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2813
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38 dnl |
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39 dnl Set default value for a variable and substitute it. |
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40 dnl |
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41 dnl OCTAVE_SET_DEFAULT |
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42 AC_DEFUN(OCTAVE_SET_DEFAULT, |
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3176
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43 [ifelse($#, 2, [: ${$1=$2} |
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2813
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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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2574
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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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3887
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85 AC_DEFINE(NPOS, [std::string::npos], [Define (to string::npos) if <string> doesn't]) |
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2574
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86 fi |
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3888
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87 AC_LANG_POP(C++) |
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2574
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88 ]) |
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89 dnl |
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4360
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90 dnl See if the compiler supports placement delete |
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91 dnl |
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92 AC_DEFUN(OCTAVE_PLACEMENT_DELETE, |
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93 [AC_CACHE_CHECK([whether <new> defines placement delete operator], |
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94 octave_cv_placement_delete, |
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95 [AC_LANG_PUSH(C++) |
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96 AC_TRY_COMPILE([#include <new>], |
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97 [operator delete((void *)0, (void *)0);], |
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98 octave_cv_placement_delete=yes, octave_cv_placement_delete=no)]) |
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99 if test $octave_cv_placement_delete = yes; then |
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100 AC_DEFINE(HAVE_PLACEMENT_DELETE,1,[Define if C++ supports operator delete(void *, void *)]) |
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101 fi |
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102 AC_LANG_POP(C++) |
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103 ]) |
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104 dnl |
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105 dnl See if the compiler dynamic auto arrays |
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106 dnl |
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107 AC_DEFUN(OCTAVE_DYNAMIC_AUTO_ARRAYS, |
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108 [AC_CACHE_CHECK([whether C++ supports dynamic auto arrays], |
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109 octave_cv_dynamic_auto_arrays, |
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110 [AC_LANG_PUSH(C++) |
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111 AC_TRY_COMPILE(, |
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112 [void test(char *); int length(); char x[length()]; test(x);], |
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113 octave_cv_dynamic_auto_arrays=yes, octave_cv_dynamic_auto_arrays=no)]) |
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114 if test $octave_cv_dynamic_auto_arrays = yes; then |
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115 AC_DEFINE(HAVE_DYNAMIC_AUTO_ARRAYS,1,[Define if C++ supports dynamic auto arrays]) |
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116 fi |
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117 AC_LANG_POP(C++) |
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118 ]) |
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119 dnl |
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120 dnl The following test is from Karl Berry's Kpathseach library. I'm |
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121 dnl including it here in case we someday want to make the use of |
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122 dnl kpathsea optional. |
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123 dnl |
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124 dnl Some BSD putenv's, e.g., FreeBSD, do malloc/free's on the environment. |
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125 dnl This test program is due to Mike Hibler <mike@cs.utah.edu>. |
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126 dnl We don't actually need to run this if we don't have putenv, but it |
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127 dnl doesn't hurt. |
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128 AC_DEFUN(OCTAVE_SMART_PUTENV, |
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129 [AC_MSG_CHECKING(whether putenv uses malloc) |
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130 AC_CACHE_VAL(octave_cv_func_putenv_malloc, |
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131 [AC_TRY_RUN([ |
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132 #define VAR "YOW_VAR" |
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133 #define STRING1 "GabbaGabbaHey" |
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134 #define STRING2 "Yow!!" /* should be shorter than STRING1 */ |
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135 extern char *getenv (); /* in case char* and int don't mix gracefully */ |
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136 main () |
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137 { |
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138 char *str1, *rstr1, *str2, *rstr2; |
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139 str1 = getenv (VAR); |
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140 if (str1) |
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141 exit (1); |
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142 str1 = malloc (strlen (VAR) + 1 + strlen (STRING1) + 1); |
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143 if (str1 == 0) |
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144 exit (2); |
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145 strcpy (str1, VAR); |
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146 strcat (str1, "="); |
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147 strcat (str1, STRING1); |
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148 if (putenv (str1) < 0) |
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149 exit (3); |
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150 rstr1 = getenv (VAR); |
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151 if (rstr1 == 0) |
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152 exit (4); |
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153 rstr1 -= strlen (VAR) + 1; |
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154 if (strncmp (rstr1, VAR, strlen (VAR))) |
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155 exit (5); |
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156 str2 = malloc (strlen (VAR) + 1 + strlen (STRING2) + 1); |
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157 if (str2 == 0 || str1 == str2) |
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158 exit (6); |
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159 strcpy (str2, VAR); |
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160 strcat (str2, "="); |
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161 strcat (str2, STRING2); |
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162 if (putenv (str2) < 0) |
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163 exit (7); |
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164 rstr2 = getenv (VAR); |
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165 if (rstr2 == 0) |
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166 exit (8); |
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167 rstr2 -= strlen (VAR) + 1; |
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168 #if 0 |
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169 printf ("rstr1=0x%x, rstr2=0x%x\n", rstr1, rstr2); |
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170 /* |
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171 * If string from first call was reused for the second call, |
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172 * you had better not do a free on the first string! |
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173 */ |
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174 if (rstr1 == rstr2) |
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175 printf ("#define SMART_PUTENV\n"); |
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176 else |
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177 printf ("#undef SMART_PUTENV\n"); |
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178 #endif |
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179 exit (rstr1 == rstr2 ? 0 : 1); |
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180 }], octave_cv_func_putenv_malloc=yes, octave_cv_func_putenv_malloc=no, |
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181 octave_cv_func_putenv_malloc=no)])dnl |
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182 AC_MSG_RESULT($octave_cv_func_putenv_malloc) |
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183 if test $octave_cv_func_putenv_malloc = yes; then |
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184 AC_DEFINE(SMART_PUTENV,1,[To quiet autoheader.]) |
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185 fi]) |
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186 dnl |
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2469
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187 dnl These two checks for signal functions were originally part of the |
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188 dnl aclocal.m4 file distributed with bash 2.0. |
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189 dnl |
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190 dnl Check type of signal routines (posix, 4.2bsd, 4.1bsd or v7) |
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191 AC_DEFUN(OCTAVE_SIGNAL_CHECK, |
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192 [AC_REQUIRE([AC_TYPE_SIGNAL]) |
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193 AC_MSG_CHECKING(for type of signal functions) |
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194 AC_CACHE_VAL(octave_cv_signal_vintage, |
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195 [ |
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196 AC_TRY_LINK([#include <signal.h>],[ |
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197 sigset_t ss; |
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198 struct sigaction sa; |
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199 sigemptyset(&ss); sigsuspend(&ss); |
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200 sigaction(SIGINT, &sa, (struct sigaction *) 0); |
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201 sigprocmask(SIG_BLOCK, &ss, (sigset_t *) 0); |
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202 ], octave_cv_signal_vintage=posix, |
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203 [ |
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204 AC_TRY_LINK([#include <signal.h>], [ |
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205 int mask = sigmask(SIGINT); |
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206 sigsetmask(mask); sigblock(mask); sigpause(mask); |
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207 ], octave_cv_signal_vintage=4.2bsd, |
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208 [ |
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209 AC_TRY_LINK([ |
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210 #include <signal.h> |
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211 RETSIGTYPE foo() { }], [ |
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212 int mask = sigmask(SIGINT); |
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213 sigset(SIGINT, foo); sigrelse(SIGINT); |
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214 sighold(SIGINT); sigpause(SIGINT); |
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215 ], octave_cv_signal_vintage=svr3, octave_cv_signal_vintage=v7 |
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216 )] |
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217 )] |
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218 ) |
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219 ]) |
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220 AC_MSG_RESULT($octave_cv_signal_vintage) |
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221 if test "$octave_cv_signal_vintage" = posix; then |
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222 AC_DEFINE(HAVE_POSIX_SIGNALS,1,[Define if you have POSIX style signals.]) |
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2491
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223 elif test "$octave_cv_signal_vintage" = "4.2bsd"; then |
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224 AC_DEFINE(HAVE_BSD_SIGNALS,1,[Define if you have BSD style signals.]) |
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2491
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225 elif test "$octave_cv_signal_vintage" = svr3; then |
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226 AC_DEFINE(HAVE_USG_SIGHOLD,1,[Define if you have System V Release 3 signals.]) |
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227 fi |
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228 ]) |
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229 dnl |
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230 AC_DEFUN(OCTAVE_REINSTALL_SIGHANDLERS, |
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231 [AC_REQUIRE([AC_TYPE_SIGNAL]) |
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232 AC_REQUIRE([OCTAVE_SIGNAL_CHECK]) |
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233 AC_MSG_CHECKING([if signal handlers must be reinstalled when invoked]) |
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234 AC_CACHE_VAL(octave_cv_must_reinstall_sighandlers, |
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235 [AC_TRY_RUN([ |
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236 #include <signal.h> |
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237 #ifdef HAVE_UNISTD_H |
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238 #include <unistd.h> |
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239 #endif |
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240 typedef RETSIGTYPE sigfunc(); |
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241 int nsigint; |
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242 #ifdef HAVE_POSIX_SIGNALS |
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243 sigfunc * |
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244 set_signal_handler(sig, handler) |
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245 int sig; |
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246 sigfunc *handler; |
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247 { |
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248 struct sigaction act, oact; |
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249 act.sa_handler = handler; |
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250 act.sa_flags = 0; |
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251 sigemptyset (&act.sa_mask); |
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252 sigemptyset (&oact.sa_mask); |
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253 sigaction (sig, &act, &oact); |
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254 return (oact.sa_handler); |
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255 } |
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256 #else |
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257 #define set_signal_handler(s, h) signal(s, h) |
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258 #endif |
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259 RETSIGTYPE |
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260 sigint(s) |
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261 int s; |
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262 { |
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263 nsigint++; |
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264 } |
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265 main() |
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266 { |
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267 nsigint = 0; |
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268 set_signal_handler(SIGINT, sigint); |
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269 kill((int)getpid(), SIGINT); |
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270 kill((int)getpid(), SIGINT); |
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271 exit(nsigint != 2); |
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272 } |
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273 ], octave_cv_must_reinstall_sighandlers=no, octave_cv_must_reinstall_sighandlers=yes, |
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274 if test "$octave_cv_signal_vintage" = svr3; then |
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275 octave_cv_must_reinstall_sighandlers=yes |
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276 else |
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277 octave_cv_must_reinstall_sighandlers=no |
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278 fi)]) |
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279 if test "$cross_compiling" = yes; then |
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280 AC_MSG_RESULT([$octave_cv_must_reinstall_sighandlers assumed for cross compilation]) |
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281 else |
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282 AC_MSG_RESULT($octave_cv_must_reinstall_sighandlers) |
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283 fi |
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2491
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284 if test "$octave_cv_must_reinstall_sighandlers" = yes; then |
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285 AC_DEFINE(MUST_REINSTALL_SIGHANDLERS,1,[Define if signal handlers must be reinstalled after they are called.]) |
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2469
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286 fi |
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287 ]) |
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288 dnl |
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289 dnl Check to see if C++ compiler needs the new friend template declaration |
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290 dnl syntax. |
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291 dnl |
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292 dnl OCTAVE_CXX_NEW_FRIEND_TEMPLATE_DECL |
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293 AC_DEFUN(OCTAVE_CXX_NEW_FRIEND_TEMPLATE_DECL, [ |
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294 AC_REQUIRE([AC_PROG_CXX]) |
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295 AC_MSG_CHECKING([for C++ support for new friend template declaration]) |
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296 AC_CACHE_VAL(octave_cv_cxx_new_friend_template_decl, [ |
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3888
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297 AC_LANG_PUSH(C++) |
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3107
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298 rm -f conftest.h |
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299 cat > conftest.h <<EOB |
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300 struct A { |
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301 friend int operator== (const A&, const A&); |
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302 A (int) { } |
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303 }; |
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304 |
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305 template <class T> int |
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306 operator== (const T&, const T&) |
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307 { |
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308 return 0; |
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309 } |
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310 EOB |
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311 AC_TRY_LINK([#include "conftest.h"], [ |
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312 A a (1); |
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313 return a == A(1); |
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314 ], |
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315 octave_cv_cxx_new_friend_template_decl=no, |
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316 octave_cv_cxx_new_friend_template_decl=yes |
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317 ) |
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3888
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318 AC_LANG_POP(C++) |
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319 ]) |
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320 AC_MSG_RESULT($octave_cv_cxx_new_friend_template_decl) |
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321 if test $octave_cv_cxx_new_friend_template_decl = yes; then |
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322 AC_DEFINE(CXX_NEW_FRIEND_TEMPLATE_DECL,1,[Define if your compiler supports `<>' stuff for template friends.]) |
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3107
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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 CFLAGS 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_CC_FLAG |
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332 AC_DEFUN(OCTAVE_CC_FLAG, [ |
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3908
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333 ac_safe=`echo "$1" | sed 'y%./+-:=%__p___%'` |
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3126
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334 AC_MSG_CHECKING(whether ${CC-cc} accepts $1) |
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335 AC_CACHE_VAL(octave_cv_cc_flag_$ac_safe, [ |
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3888
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336 AC_LANG_PUSH(C) |
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3126
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337 XCFLAGS="$CFLAGS" |
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338 CFLAGS="$CFLAGS $1" |
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339 AC_TRY_LINK([], [], |
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340 eval "octave_cv_cc_flag_$ac_safe=yes", |
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341 eval "octave_cv_cc_flag_$ac_safe=no") |
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342 CFLAGS="$XCFLAGS" |
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3888
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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 '$octave_cv_cc_flag_'$ac_safe`\" = yes"; then |
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346 AC_MSG_RESULT(yes) |
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3131
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347 ifelse([$2], , [ |
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348 CFLAGS="$CFLAGS $1" |
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349 AC_MSG_RESULT([adding $1 to CFLAGS])], [$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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355 dnl |
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3233
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356 dnl Check to see if C++ compiler handles FLAG command line option. If |
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357 dnl two arguments are specified, execute the second arg as shell |
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358 dnl commands. Otherwise, add FLAG to CXXFLAGS if the compiler accepts |
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359 dnl the flag. |
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3126
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360 dnl |
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361 dnl OCTAVE_CXX_FLAG |
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362 AC_DEFUN(OCTAVE_CXX_FLAG, [ |
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3908
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363 ac_safe=`echo "$1" | sed 'y%./+-:=%__p___%'` |
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3222
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364 AC_MSG_CHECKING(whether ${CXX-g++} accepts $1) |
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3126
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365 AC_CACHE_VAL(octave_cv_cxx_flag_$ac_safe, [ |
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3888
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366 AC_LANG_PUSH(C++) |
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3126
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367 XCXXFLAGS="$CXXFLAGS" |
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368 CXXFLAGS="$CXXFLAGS $1" |
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369 AC_TRY_LINK([], [], |
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370 eval "octave_cv_cxx_flag_$ac_safe=yes", |
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371 eval "octave_cv_cxx_flag_$ac_safe=no") |
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372 CXXFLAGS="$XCXXFLAGS" |
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3888
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373 AC_LANG_POP(C++) |
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3126
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374 ]) |
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375 if eval "test \"`echo '$octave_cv_cxx_flag_'$ac_safe`\" = yes"; then |
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376 AC_MSG_RESULT(yes) |
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3131
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377 ifelse([$2], , [ |
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378 CXXFLAGS="$CXXFLAGS $1" |
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379 AC_MSG_RESULT([adding $1 to CXXFLAGS])], [$2]) |
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3126
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380 else |
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381 AC_MSG_RESULT(no) |
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382 ifelse([$3], , , [$3]) |
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383 fi |
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384 ]) |
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3130
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385 dnl |
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5076
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386 dnl Check to see if Fortran compiler handles FLAG command line option. If |
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387 dnl two arguments are specified, execute the second arg as shell |
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388 dnl commands. Otherwise, add FLAG to FFLAGS if the compiler accepts |
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389 dnl the flag. |
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390 dnl |
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391 dnl OCTAVE_F77_FLAG |
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392 AC_DEFUN(OCTAVE_F77_FLAG, [ |
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393 ac_safe=`echo "$1" | sed 'y%./+-:=%__p___%'` |
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394 AC_MSG_CHECKING(whether ${F77-g77} accepts $1) |
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395 AC_CACHE_VAL(octave_cv_f77_flag_$ac_safe, [ |
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|
396 AC_LANG_PUSH(Fortran 77) |
|
|
397 XFFLAGS="$FFLAGS" |
|
|
398 FFLAGS="$FFLAGS $1" |
|
|
399 AC_TRY_LINK([], [], |
|
|
400 eval "octave_cv_f77_flag_$ac_safe=yes", |
|
|
401 eval "octave_cv_f77_flag_$ac_safe=no") |
|
|
402 FFLAGS="$XFFLAGS" |
|
|
403 AC_LANG_POP(Fortran 77) |
|
|
404 ]) |
|
|
405 if eval "test \"`echo '$octave_cv_f77_flag_'$ac_safe`\" = yes"; then |
|
|
406 AC_MSG_RESULT(yes) |
|
|
407 ifelse([$2], , [ |
|
|
408 FFLAGS="$FFLAGS $1" |
|
|
409 AC_MSG_RESULT([adding $1 to FFLAGS])], [$2]) |
|
|
410 else |
|
|
411 AC_MSG_RESULT(no) |
|
|
412 ifelse([$3], , , [$3]) |
|
|
413 fi |
|
|
414 ]) |
|
|
415 dnl |
|
3729
|
416 dnl Check for flex |
|
|
417 dnl |
|
|
418 AC_DEFUN(OCTAVE_PROG_FLEX, [ |
|
|
419 ### For now, don't define LEXLIB to be -lfl -- we don't use anything in |
|
|
420 ### it, and it might not be installed. |
|
|
421 ### |
|
|
422 ### Also make sure that we generate an interactive scanner if we are |
|
|
423 ### using flex. |
|
|
424 AC_PROG_LEX |
|
|
425 case "$LEX" in |
|
|
426 flex*) |
|
|
427 LFLAGS="-t -I" |
|
|
428 AC_MSG_RESULT([defining LFLAGS to be $LFLAGS]) |
|
|
429 LEXLIB= |
|
|
430 ;; |
|
|
431 *) |
|
|
432 LEX='$(top_srcdir)/missing flex' |
|
|
433 warn_flex="I didn't find flex, but it's only a problem if you need to reconstruct lex.cc" |
|
|
434 AC_MSG_WARN($warn_flex) |
|
|
435 ;; |
|
|
436 esac |
|
|
437 AC_SUBST(LFLAGS) |
|
|
438 ]) |
|
|
439 dnl |
|
|
440 dnl Check for bison |
|
|
441 dnl |
|
|
442 AC_DEFUN(OCTAVE_PROG_BISON, [ |
|
|
443 AC_PROG_YACC |
|
|
444 case "$YACC" in |
|
|
445 bison*) |
|
|
446 ;; |
|
|
447 *) |
|
|
448 YACC='$(top_srcdir)/missing bison' |
|
|
449 warn_bison="I didn't find bison, but it's only a problem if you need to reconstruct parse.cc" |
|
|
450 AC_MSG_WARN($warn_bison) |
|
|
451 ;; |
|
|
452 esac |
|
|
453 ]) |
|
|
454 dnl |
|
3130
|
455 dnl What pager should we use? |
|
|
456 dnl |
|
|
457 AC_DEFUN(OCTAVE_PROG_PAGER, |
|
|
458 [if test "$cross_compiling" = yes; then |
|
|
459 DEFAULT_PAGER=less |
|
|
460 AC_MSG_RESULT(assuming $DEFAULT_PAGER exists on $canonical_host_type host) |
|
|
461 AC_SUBST(DEFAULT_PAGER) |
|
|
462 else |
|
|
463 octave_possible_pagers="less more page pg" |
|
|
464 case "$canonical_host_type" in |
|
3971
|
465 *-*-cygwin*) |
|
3130
|
466 octave_possible_pagers="$octave_possible_pagers more.com" |
|
|
467 ;; |
|
|
468 esac |
|
|
469 |
|
|
470 AC_CHECK_PROGS(DEFAULT_PAGER, $octave_possible_pagers, []) |
|
|
471 if test -z "$DEFAULT_PAGER"; then |
|
|
472 warn_less="I couldn't find \`less', \`more', \`page', or \`pg'" |
|
|
473 AC_MSG_WARN($warn_less) |
|
|
474 fi |
|
|
475 fi |
|
|
476 ]) |
|
|
477 dnl |
|
|
478 dnl Does gnuplot exist? Is it a recent version? |
|
|
479 dnl |
|
4098
|
480 AC_DEFUN(OCTAVE_PROG_GNUPLOT, [ |
|
|
481 case "$canonical_host_type" in |
|
|
482 *-*-cygwin*|*-*-mingw32*) |
|
|
483 gp_names="pgnuplot pipe-gnuplot gnuplot" |
|
|
484 gp_default=pgnuplot |
|
|
485 ;; |
|
|
486 *) |
|
|
487 gp_names=gnuplot |
|
|
488 gp_default=gnuplot |
|
|
489 ;; |
|
|
490 esac |
|
|
491 GNUPLOT_HAS_FRAMES=1 |
|
|
492 if test "$cross_compiling" = yes; then |
|
3130
|
493 AC_MSG_RESULT(assuming $GNUPLOT_BINARY exists on $canonical_host_type host) |
|
|
494 AC_MSG_RESULT(assuming $GNUPLOT_BINARY supports multiple frams) |
|
|
495 else |
|
4098
|
496 AC_CHECK_PROGS(GNUPLOT_BINARY, $gp_names) |
|
3130
|
497 if test -n "$GNUPLOT_BINARY"; then |
|
|
498 AC_MSG_CHECKING([to see if your gnuplot supports multiplot]) |
|
|
499 if test -z "`echo 'set term unknown; set multiplot' | \ |
|
|
500 $GNUPLOT_BINARY 2>&1`"; then |
|
|
501 AC_MSG_RESULT([yes]) |
|
|
502 else |
|
|
503 AC_MSG_RESULT([no]) |
|
|
504 fi |
|
|
505 AC_MSG_CHECKING([to see if your gnuplot supports multiple plot windows]) |
|
|
506 if test -z "`echo 'set term x11 2' | $GNUPLOT_BINARY 2>&1`"; then |
|
|
507 AC_MSG_RESULT([yes]) |
|
|
508 else |
|
4098
|
509 GNUPLOT_HAS_FRAMES= |
|
3130
|
510 AC_MSG_RESULT([no]) |
|
|
511 fi |
|
|
512 else |
|
|
513 warn_gnuplot="yes" |
|
|
514 |
|
5076
|
515 GNUPLOT_BINARY="$gp_default" |
|
|
516 |
|
3130
|
517 ## If you change this text, be sure to also copy it to the set of |
|
|
518 ## warnings at the end of the script |
|
|
519 |
|
|
520 AC_MSG_WARN([I didn't find gnuplot. It isn't necessary to have gnuplot]) |
|
|
521 AC_MSG_WARN([installed, but you won't be able to use any of Octave's]) |
|
|
522 AC_MSG_WARN([plotting commands without it.]) |
|
|
523 AC_MSG_WARN([]) |
|
|
524 AC_MSG_WARN([If gnuplot is installed but it isn't in your path, you can]) |
|
|
525 AC_MSG_WARN([tell Octave where to find it by typing the command]) |
|
|
526 AC_MSG_WARN([]) |
|
|
527 AC_MSG_WARN([gnuplot_binary = "/full/path/to/gnuplot/binary"]) |
|
|
528 AC_MSG_WARN([]) |
|
|
529 AC_MSG_WARN([at the Octave prompt.]) |
|
5076
|
530 AC_MSG_WARN([]) |
|
|
531 AC_MSG_WARN([Setting default value to $GNUPLOT_BINARY]) |
|
3130
|
532 fi |
|
|
533 fi |
|
4098
|
534 AC_DEFINE_UNQUOTED(GNUPLOT_BINARY, "$GNUPLOT_BINARY", [Name of gnuplot program.]) |
|
|
535 AC_DEFINE_UNQUOTED(GNUPLOT_HAS_FRAMES, $GNUPLOT_HAS_FRAMES, [Define if your gnuplot program supports multiple plot windows.]) |
|
3130
|
536 ]) |
|
|
537 dnl |
|
|
538 dnl Is DejaGNU installed? |
|
|
539 dnl |
|
3222
|
540 dnl OCTAVE_PROG_RUNTEST |
|
3130
|
541 AC_DEFUN(OCTAVE_PROG_RUNTEST, |
|
|
542 [if test "$cross_compiling" = yes; then |
|
|
543 RUNTEST=runtest |
|
|
544 AC_MSG_RESULT(assuming $RUNTEST exists on $canonical_host_type host) |
|
|
545 AC_SUBST(RUNTEST) |
|
|
546 else |
|
|
547 AC_CHECK_PROG(RUNTEST, runtest, runtest, []) |
|
|
548 if test -z "$RUNTEST"; then |
|
|
549 warn_runtest="I didn't find runtest -- install DejaGNU if you want to run \`make check'" |
|
|
550 AC_MSG_WARN($warn_runtest) |
|
|
551 fi |
|
|
552 AC_SUBST(RUNTEST) |
|
|
553 fi |
|
|
554 ]) |
|
3222
|
555 dnl |
|
3673
|
556 dnl Is gperf installed? |
|
|
557 dnl |
|
|
558 dnl OCTAVE_PROG_GPERF |
|
3731
|
559 AC_DEFUN(OCTAVE_PROG_GPERF, [ |
|
|
560 AC_CHECK_PROG(GPERF, gperf, gperf, []) |
|
|
561 if test -n "$GPERF"; then |
|
|
562 if echo "%{ |
|
4416
|
563 enum octave_kw_id { a_kw }; |
|
3731
|
564 %} |
|
4416
|
565 struct octave_kw { const char *name; int tok; octave_kw_id kw_id; }; |
|
3731
|
566 %% |
|
5094
|
567 foo" | $GPERF -t -C -D -E -G -L C++ -H octave_kw_hash -N octave_kw_lookup > /dev/null 2>&1; then |
|
3731
|
568 true |
|
|
569 else |
|
|
570 GPERF="" |
|
5094
|
571 warn_gperf="I found gperf, but it does not support all of the following options: -t -C -D -E -G -L C++ -H -N; you need gperf 3.0.1 or a more recent version" |
|
3731
|
572 AC_MSG_WARN($warn_gperf) |
|
|
573 fi |
|
|
574 else |
|
|
575 GPERF='$(top_srcdir)/missing gperf' |
|
|
576 warn_gperf="I didn't find gperf, but it's only a problem if you need to reconstruct oct-gperf.h" |
|
|
577 AC_MSG_WARN($warn_gperf) |
|
|
578 fi |
|
|
579 AC_SUBST(GPERF) |
|
3673
|
580 ]) |
|
|
581 dnl |
|
3222
|
582 dnl Find nm. |
|
|
583 dnl |
|
|
584 dnl OCTAVE_PROG_NM |
|
|
585 AC_DEFUN(OCTAVE_PROG_NM, |
|
4093
|
586 [AC_CHECK_PROG(NM, ${ac_tool_prefix}nm, ${ac_tool_prefix}nm, []) |
|
3222
|
587 AC_SUBST(NM) |
|
|
588 ]) |
|
|
589 dnl |
|
|
590 dnl See if the C++ compiler prepends an underscore to external names. |
|
|
591 dnl |
|
|
592 dnl OCTAVE_CXX_PREPENDS_UNDERSCORE |
|
4093
|
593 AC_DEFUN(OCTAVE_CXX_PREPENDS_UNDERSCORE, [ |
|
|
594 AC_REQUIRE([OCTAVE_PROG_NM]) |
|
|
595 AC_MSG_CHECKING([whether ${CXX-g++} prepends an underscore to external names]) |
|
3222
|
596 AC_CACHE_VAL(octave_cv_cxx_prepends_underscore, |
|
|
597 [octave_cv_cxx_prepends_underscore=no |
|
3888
|
598 AC_LANG_PUSH(C++) |
|
3222
|
599 cat > conftest.$ac_ext <<EOF |
|
3842
|
600 bool FSmy_dld_fcn (void) { return false; } |
|
3222
|
601 EOF |
|
|
602 if AC_TRY_EVAL(ac_compile); then |
|
|
603 if test "`${NM-nm} conftest.o | grep _FSmy_dld_fcn`" != ""; then |
|
|
604 octave_cv_cxx_prepends_underscore=yes |
|
|
605 fi |
|
|
606 else |
|
3888
|
607 echo "configure: failed program was:" >&AS_MESSAGE_LOG_FD |
|
|
608 cat conftest.$ac_ext >&AS_MESSAGE_LOG_FD |
|
3222
|
609 fi |
|
3888
|
610 AC_LANG_POP(C++) |
|
4105
|
611 ### XXX FIXME XXX -- Ignore test result on Windows. Yes it prepends |
|
|
612 ### underscore, but LoadLibrary ignores it automatically. The |
|
4102
|
613 ### correct test is to build the shared library then try to grab the |
|
|
614 ### symbol from it with and without underscore. |
|
|
615 case "$canonical_host_type" in |
|
4105
|
616 *-*-cygwin* | *-*-mingw*) |
|
4102
|
617 octave_cv_cxx_prepends_underscore=no |
|
|
618 ;; |
|
4162
|
619 ### XXX FIXME XXX -- Ignore test result on OS X. Yes it prepends |
|
|
620 ### underscore, but also messes with the name so test fails (incorrectly). |
|
4685
|
621 *-*-darwin*) |
|
4162
|
622 octave_cv_cxx_prepends_underscore=yes |
|
|
623 ;; |
|
4102
|
624 esac |
|
3222
|
625 ]) |
|
|
626 AC_MSG_RESULT($octave_cv_cxx_prepends_underscore) |
|
|
627 if test $octave_cv_cxx_prepends_underscore = yes; then |
|
3887
|
628 AC_DEFINE(CXX_PREPENDS_UNDERSCORE, 1, [Define if your compiler prepends underscores to external names.]) |
|
3222
|
629 fi |
|
|
630 ]) |
|
3769
|
631 dnl |
|
|
632 dnl See if the C++ library is ISO compliant. |
|
|
633 dnl FIXME: This is obviously very simplistic, and trivially fooled. |
|
|
634 dnl |
|
|
635 dnl OCTAVE_CXX_ISO_COMPLIANT_LIBRARY |
|
|
636 AC_DEFUN(OCTAVE_CXX_ISO_COMPLIANT_LIBRARY, [ |
|
|
637 AC_REQUIRE([AC_PROG_CXX]) |
|
|
638 AC_MSG_CHECKING([if C++ library is ISO compliant]) |
|
|
639 AC_CACHE_VAL(octave_cv_cxx_iso_compliant_library, [ |
|
3888
|
640 AC_LANG_PUSH(C++) |
|
3769
|
641 rm -f conftest.h |
|
3943
|
642 ### Omitting cwctype for now, since it is broken with gcc-3.0.x and |
|
|
643 ### possibly other versions... |
|
3769
|
644 for inc in algorithm bitset cassert cctype cerrno cfloat ciso646 \ |
|
|
645 climits clocale cmath complex csetjmp csignal cstdarg cstddef \ |
|
3943
|
646 cstdio cstdlib cstring ctime cwchar deque exception \ |
|
3769
|
647 fstream functional iomanip ios iosfwd iostream istream iterator \ |
|
|
648 limits list locale map memory new numeric ostream queue set \ |
|
|
649 sstream stack stdexcept streambuf string strstream typeinfo \ |
|
|
650 utility valarray vector; do |
|
|
651 echo "#include <$inc>" >> conftest.h |
|
|
652 done |
|
|
653 AC_TRY_LINK([#include "conftest.h"], [ |
|
|
654 std::bitset<50> flags; |
|
|
655 flags.set(); |
|
|
656 int digits = std::numeric_limits<unsigned long>::digits; |
|
|
657 digits = 0; |
|
|
658 ], |
|
|
659 octave_cv_cxx_iso_compliant_library=yes, |
|
|
660 octave_cv_cxx_iso_compliant_library=no |
|
|
661 ) |
|
3888
|
662 AC_LANG_POP(C++) |
|
3769
|
663 ]) |
|
|
664 AC_MSG_RESULT($octave_cv_cxx_iso_compliant_library) |
|
|
665 if test $octave_cv_cxx_iso_compliant_library = yes; then |
|
3887
|
666 AC_DEFINE(CXX_ISO_COMPLIANT_LIBRARY, 1, [Define if your C++ runtime library is ISO compliant.]) |
|
3769
|
667 fi |
|
|
668 ]) |
|
3822
|
669 dnl |
|
|
670 dnl Allow the user disable support for command line editing using GNU |
|
|
671 dnl readline. |
|
|
672 dnl |
|
|
673 dnl OCTAVE_ENABLE_READLINE |
|
|
674 AC_DEFUN(OCTAVE_ENABLE_READLINE, [ |
|
|
675 USE_READLINE=true |
|
4102
|
676 LIBREADLINE= |
|
3822
|
677 AC_ARG_ENABLE(readline, |
|
|
678 [ --enable-readline use readline library (default is yes)], |
|
|
679 [if test "$enableval" = no; then |
|
3824
|
680 USE_READLINE=false |
|
3825
|
681 warn_readline="command editing and history features require GNU Readline" |
|
3824
|
682 fi]) |
|
3822
|
683 if $USE_READLINE; then |
|
|
684 AC_CHECK_LIB(readline, rl_set_keyboard_input_timeout, [ |
|
4102
|
685 LIBREADLINE="-lreadline" |
|
|
686 LIBS="$LIBREADLINE $LIBS" |
|
3887
|
687 AC_DEFINE(USE_READLINE, 1, [Define to use the readline library.]) |
|
3822
|
688 ], [ |
|
3824
|
689 AC_MSG_WARN([I need GNU Readline 4.2 or later]) |
|
|
690 AC_MSG_ERROR([this is fatal unless you specify --disable-readline]) |
|
3822
|
691 ]) |
|
|
692 fi |
|
4102
|
693 AC_SUBST(LIBREADLINE) |
|
3822
|
694 ]) |
|
3842
|
695 dnl |
|
|
696 dnl Determine the C++ compiler ABI. It sets the macro CXX_ABI to the |
|
|
697 dnl name of the ABI, and is used to mangle the C linkage loadable |
|
|
698 dnl functions to avoid ABI mismatch. GNU C++ currently uses gnu_v2 |
|
|
699 dnl (GCC versions <= 2.95.x) dnl or gnu_v3 (GCC versions >= 3.0). |
|
|
700 dnl Set to "unknown" is when we don't know enough about the ABI, which |
|
|
701 dnl will happen when using an unsupported C++ compiler. |
|
|
702 dnl |
|
|
703 dnl OCTAVE_CXX_ABI |
|
4093
|
704 AC_DEFUN(OCTAVE_CXX_ABI, [ |
|
|
705 AC_REQUIRE([OCTAVE_PROG_NM]) |
|
|
706 AC_MSG_CHECKING([C++ ABI version used by ${CXX}]) |
|
3842
|
707 AC_CACHE_VAL(octave_cv_cxx_abi, |
|
|
708 [octave_cv_cxx_abi='unknown' |
|
3888
|
709 AC_LANG_PUSH(C++) |
|
3842
|
710 cat > conftest.$ac_ext <<EOF |
|
|
711 bool FSmy_dld_fcn (void) { return false; } |
|
|
712 EOF |
|
|
713 if AC_TRY_EVAL(ac_compile); then |
|
|
714 if test "`${NM-nm} conftest.o | grep FSmy_dld_fcn__Fv`" != ""; then |
|
|
715 octave_cv_cxx_abi='gnu_v2' |
|
|
716 fi |
|
|
717 if test "`${NM-nm} conftest.o | grep _Z12FSmy_dld_fcnv`" != ""; then |
|
|
718 octave_cv_cxx_abi='gnu_v3' |
|
|
719 fi |
|
|
720 if test "`${NM-nm} conftest.o | grep __1cMFSmy_dld_fcn6F_b_`" != ""; then |
|
3843
|
721 octave_cv_cxx_abi='sun_v5' |
|
3842
|
722 fi |
|
|
723 else |
|
3888
|
724 echo "configure: failed program was:" >&AS_MESSAGE_LOG_FD |
|
|
725 cat conftest.$ac_ext >&AS_MESSAGE_LOG_FD |
|
3842
|
726 fi |
|
3888
|
727 AC_LANG_POP(C++) |
|
3842
|
728 ]) |
|
|
729 AC_MSG_RESULT($octave_cv_cxx_abi) |
|
3887
|
730 AC_DEFINE_UNQUOTED(CXX_ABI, $octave_cv_cxx_abi, [Define to the C++ ABI your compiler uses.]) |
|
3842
|
731 ]) |
|
4067
|
732 dnl |
|
|
733 dnl Determine if mkdir accepts only one argument instead dnl of the usual 2. |
|
|
734 dnl |
|
|
735 AC_DEFUN(OCTAVE_MKDIR_TAKES_ONE_ARG, |
|
|
736 [AC_CACHE_CHECK([if mkdir takes one argument], octave_cv_mkdir_takes_one_arg, |
|
|
737 [AC_TRY_COMPILE([ |
|
|
738 #include <sys/types.h> |
|
|
739 #ifdef HAVE_SYS_STAT_H |
|
|
740 # include <sys/stat.h> |
|
|
741 #endif |
|
|
742 #ifdef HAVE_UNISTD_H |
|
|
743 # include <unistd.h> |
|
|
744 #endif |
|
|
745 #ifdef HAVE_DIRECT_H |
|
|
746 # include <direct.h> |
|
|
747 #endif], [mkdir ("foo", 0);], |
|
|
748 octave_cv_mkdir_takes_one_arg=no, octave_cv_mkdir_takes_one_arg=yes)]) |
|
|
749 if test $octave_cv_mkdir_takes_one_arg = yes ; then |
|
|
750 AC_DEFINE(MKDIR_TAKES_ONE_ARG, 1, [Define if host mkdir takes a single argument.]) |
|
|
751 fi |
|
|
752 ]) |
|
4084
|
753 # OCTAVE_PROG_SED |
|
|
754 # -------------- |
|
|
755 # Check for a fully-functional sed program, that truncates |
|
|
756 # as few characters as possible. Prefer GNU sed if found. |
|
|
757 AC_DEFUN([OCTAVE_PROG_SED], |
|
|
758 [AC_MSG_CHECKING([for a sed that does not truncate output]) |
|
|
759 if test -z "$SED"; then |
|
|
760 AC_CACHE_VAL(ac_cv_path_sed, |
|
|
761 [# Loop through the user's path and test for sed and gsed. |
|
|
762 # Then use that list of sed's as ones to test for truncation. |
|
|
763 _AS_PATH_WALK([$PATH], |
|
|
764 [for ac_prog in sed gsed; do |
|
|
765 for ac_exec_ext in '' $ac_executable_extensions; do |
|
|
766 if AS_EXECUTABLE_P(["$as_dir/$ac_prog$ac_exec_ext"]); then |
|
|
767 _sed_list="$_sed_list $as_dir/$ac_prog$ac_exec_ext" |
|
|
768 fi |
|
|
769 done |
|
|
770 done |
|
|
771 ]) |
|
|
772 AS_TMPDIR(sed) |
|
|
773 _max=0 |
|
|
774 _count=0 |
|
|
775 # Add /usr/xpg4/bin/sed as it is typically found on Solaris |
|
|
776 # along with /bin/sed that truncates output. |
|
|
777 for _sed in $_sed_list /usr/xpg4/bin/sed; do |
|
|
778 test ! -f ${_sed} && break |
|
|
779 cat /dev/null > "$tmp/sed.in" |
|
|
780 _count=0 |
|
|
781 echo $ECHO_N "0123456789$ECHO_C" >"$tmp/sed.in" |
|
|
782 # Check for GNU sed and select it if it is found. |
|
|
783 if "${_sed}" --version 2>&1 < /dev/null | egrep '(GNU)' > /dev/null; |
|
|
784 then |
|
|
785 octave_cv_path_sed=${_sed} |
|
|
786 break; |
|
|
787 fi |
|
|
788 while true; do |
|
|
789 cat "$tmp/sed.in" "$tmp/sed.in" >"$tmp/sed.tmp" |
|
|
790 mv "$tmp/sed.tmp" "$tmp/sed.in" |
|
|
791 cp "$tmp/sed.in" "$tmp/sed.nl" |
|
|
792 echo >>"$tmp/sed.nl" |
|
|
793 ${_sed} -e 's/a$//' < "$tmp/sed.nl" >"$tmp/sed.out" || break |
|
|
794 cmp -s "$tmp/sed.out" "$tmp/sed.nl" || break |
|
|
795 # 10000 chars as input seems more than enough |
|
|
796 test $_count -gt 10 && break |
|
|
797 _count=`expr $_count + 1` |
|
|
798 if test $_count -gt $_max; then |
|
|
799 _max=$_count |
|
|
800 octave_cv_path_sed=$_sed |
|
|
801 fi |
|
|
802 done |
|
|
803 done |
|
|
804 rm -rf "$tmp" |
|
|
805 ]) |
|
|
806 fi |
|
|
807 AC_SUBST([SED], $octave_cv_path_sed) |
|
|
808 AC_MSG_RESULT([$SED]) |
|
|
809 ]) |
|
4853
|
810 # OCTAVE_IEEE754_DATA_FORMAT |
|
|
811 # -------------- |
|
|
812 # Check for IEEE 754 data format. |
|
|
813 AC_DEFUN([OCTAVE_IEEE754_DATA_FORMAT], |
|
|
814 [AC_MSG_CHECKING([for IEEE 754 data format]) |
|
|
815 AC_CACHE_VAL(octave_cv_ieee754_data_format, |
|
|
816 [AC_TRY_RUN([ |
|
|
817 int |
|
|
818 main (void) |
|
|
819 { |
|
|
820 typedef union { unsigned char c[8]; double d; } ieeebytes; |
|
|
821 |
|
|
822 ieeebytes l = {0x1c, 0xbc, 0x6e, 0xf2, 0x54, 0x8b, 0x11, 0x43}; |
|
|
823 ieeebytes b = {0x43, 0x11, 0x8b, 0x54, 0xf2, 0x6e, 0xbc, 0x1c}; |
|
|
824 |
|
|
825 return l.d != 1234567891234567.0 && b.d != 1234567891234567.0; |
|
|
826 }], |
|
|
827 octave_cv_ieee754_data_format=yes, |
|
|
828 octave_cv_ieee754_data_format=no, |
|
|
829 octave_cv_ieee754_data_format=no)]) |
|
|
830 if test "$cross_compiling" = yes; then |
|
|
831 AC_MSG_RESULT([$octave_cv_ieee754_data_format assumed for cross compilation]) |
|
|
832 else |
|
|
833 AC_MSG_RESULT($octave_cv_ieee754_data_format) |
|
|
834 fi |
|
|
835 if test "$octave_cv_ieee754_data_format" = yes; then |
|
|
836 AC_DEFINE(HAVE_IEEE754_DATA_FORMAT, 1, [Define if your system uses IEEE 754 data format.]) |
|
|
837 fi |
|
|
838 ]) |
