Mercurial > cpython-lru_cache-weakref

annotate configure.in @ 4566:6403c94de50d legacy-trunk

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Added safeguard against failure in __del__.
author Guido van Rossum <guido@python.org>
date Wed, 27 Nov 1996 19:39:58 +0000
parents 2e87b81176f9
children 3ee87d082147
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 dnl Process this file with autoconf 2.0 or later to make a configure script.
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2 AC_REVISION($Revision$)
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3 AC_PREREQ(2.0)
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4 AC_INIT(Include/object.h)
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5 AC_CONFIG_HEADER(config.h)
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6
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7 # NEXTSTEP stuff
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8 if test -f /usr/lib/NextStep/software_version; then
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9
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10 AC_MSG_CHECKING(for --with-next-archs)
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11 AC_ARG_WITH(next-archs,
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12 [--with-next-archs='arch1 arch2 ..' build MAB binary], [
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13 if test -n "$withval"; then
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14 ac_arch_flags=`/usr/lib/arch_tool -archify_list $withval`
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15 # GCC does not currently support multi archs on the NeXT
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16 with_gcc=no
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17 fi
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18 AC_MSG_RESULT($with_next_archs)
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19 ], [AC_MSG_RESULT(none: using `arch`)])
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20
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21 if test -z "$MACHDEP"
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22 then
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23 set X `hostinfo | grep 'NeXT Mach.*:' | \
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24 sed -e 's/://' -e 's/\./_/'` && \
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25 ac_sys_system=next && ac_sys_release=$4
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26
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27 MACHDEP="$ac_sys_system$ac_sys_release"
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28 fi
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29 fi
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30
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31 # Set name for machine-dependent library files
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32 AC_SUBST(MACHDEP)
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33 AC_MSG_CHECKING(MACHDEP)
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34 if test -z "$MACHDEP"
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35 then
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36 ac_sys_system=`uname -s`
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37 if test "$ac_sys_system" = "AIX" ; then
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38 ac_sys_release=`uname -v`
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39 else
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40 ac_sys_release=`uname -r`
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41 fi
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42 ac_md_system=`echo $ac_sys_system |
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43 tr -d '[/ ]' | tr '[[A-Z]]' '[[a-z]]'`
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44 ac_md_release=`echo $ac_sys_release |
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45 tr -d '[/ ]' | sed 's/\..*//'`
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46 MACHDEP="$ac_md_system$ac_md_release"
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47
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48 case MACHDEP in
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49 '') MACHDEP=unknown;;
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50 esac
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51 fi
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52 AC_MSG_RESULT($MACHDEP)
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53
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54 # checks for alternative programs
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55 AC_MSG_CHECKING(for --without-gcc)
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56 AC_ARG_WITH(gcc, [--without-gcc never use gcc], [
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57 case $withval in
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58 no) CC=cc
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59 without_gcc=yes;;
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60 yes) CC=gcc
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61 without_gcc=no;;
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62 *) CC=$withval
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63 without_gcc=$withval;;
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64 esac], [
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65 case $ac_sys_system in
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66 OSF1) CC=cc
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67 without_gcc=;;
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68 *) without_gcc=no;;
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69 esac])
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70 AC_MSG_RESULT($without_gcc)
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71
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72 # If the user switches compilers, we can't believe the cache
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73 if test ! -z "$ac_cv_prog_CC" -a ! -z "$CC" -a "$CC" != "$ac_cv_prog_CC"
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74 then
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75 AC_ERROR(cached CC is different -- throw away $cache_file
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76 (it is also a good idea to do 'make clean' before compiling))
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77 fi
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78
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79 AC_PROG_CC
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80 AC_PROG_RANLIB
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81 AC_SUBST(AR)
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82 AC_CHECK_PROGS(AR, ar aal, ar)
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83 AC_SUBST(INSTALL)
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84 AC_SUBST(INSTALL_PROGRAM)
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85 AC_SUBST(INSTALL_DATA)
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86 # Install just never works :-(
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87 if test -z "$INSTALL"
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88 then
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89 INSTALL=cp
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90 INSTALL_PROGRAM=cp
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91 INSTALL_DATA=cp
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92 else
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93 INSTALL_PROGRAM="$INSTALL"
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94 INSTALL_DATA="$INSTALL -m 644"
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95 fi
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96
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97 # Optimizer/debugger flags passed between Makefiles
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98 AC_SUBST(OPT)
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99 if test -z "$OPT"
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100 then
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101 case $ac_sys_system in
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102 *) OPT="-O";;
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103 esac
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104 fi
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105
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106 if test "$ac_arch_flags"
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107 then
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108 OPT="$OPT $ac_arch_flags"
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109 fi
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110 # checks for UNIX variants that set C preprocessor variables
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111 AC_AIX
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112 AC_MINIX
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113
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114 # check for ANSI or K&R ("traditional") preprocessor
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115 AC_MSG_CHECKING(for C preprocessor type)
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116 AC_TRY_COMPILE([
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117 #define spam(name, doc) {#name, &name, #name "() -- " doc}
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118 int foo;
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119 struct {char *name; int *addr; char *doc;} desc = spam(foo, "something");
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120 ], [;], cpp_type=ansi, AC_DEFINE(HAVE_OLD_CPP) cpp_type=traditional)
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121 AC_MSG_RESULT($cpp_type)
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122
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123 # checks for header files
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124 AC_HEADER_STDC
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125 AC_CHECK_HEADERS(dlfcn.h fcntl.h limits.h ncurses.h \
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126 signal.h stdarg.h stddef.h stdlib.h thread.h unistd.h utime.h \
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127 sys/audioio.h sys/lock.h sys/param.h sys/select.h sys/time.h sys/times.h \
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128 sys/un.h sys/utsname.h sys/wait.h)
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129 AC_HEADER_DIRENT
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130
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131 # checks for typedefs
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132 was_it_defined=no
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133 AC_MSG_CHECKING(for clock_t in time.h)
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134 AC_EGREP_HEADER(clock_t, time.h, was_it_defined=yes, AC_DEFINE(clock_t, long))
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135 AC_MSG_RESULT($was_it_defined)
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136
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137 # Add some code to confdefs.h so that the test for off_t works on SCO
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138 cat >> confdefs.h <<\EOF
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139 #if defined(SCO_DS)
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140 #undef _OFF_T
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141 #endif
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142 EOF
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143
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144 AC_TYPE_MODE_T
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145 AC_TYPE_OFF_T
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146 AC_TYPE_PID_T
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147 AC_TYPE_SIGNAL
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148 AC_TYPE_SIZE_T
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149 AC_TYPE_UID_T
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150
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151
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152 # Set info about shared libraries.
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153 AC_SUBST(SO)
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154 AC_SUBST(LDSHARED)
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155 AC_SUBST(CCSHARED)
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156 AC_SUBST(LINKFORSHARED)
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157 # SO is the extension of shared libraries `(including the dot!)
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158 # -- usually .so, .sl on HP-UX
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159 AC_MSG_CHECKING(SO)
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160 if test -z "$SO"
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161 then
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162 case $ac_sys_system in
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163 hp*|HP*) SO=.sl;;
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164 *) SO=.so;;
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165 esac
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166 fi
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167 AC_MSG_RESULT($SO)
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168 # LDSHARED is the ld *command* used to create shared library
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169 # -- "ld" on SunOS 4.x.x, "ld -G" on SunOS 5.x, "ld -shared" on IRIX 5
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170 AC_MSG_CHECKING(LDSHARED)
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171 if test -z "$LDSHARED"
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172 then
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173 case $ac_sys_system/$ac_sys_release in
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174 AIX*) LDSHARED="ld_so_aix \$(CC)";;
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175 IRIX*) LDSHARED="ld -shared";;
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176 SunOS/4*) LDSHARED="ld";;
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177 SunOS/5*) LDSHARED="ld -G";;
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178 hp*|HP*) LDSHARED="ld -b";;
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179 OSF*) LDSHARED="ld -shared -expect_unresolved \"*\"";;
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1c012d82a975 add INSTALL_PROGRAM and INSTALL_DATA; check for getopt
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180 DYNIX/ptx*) LDSHARED="ld -G";;
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181 next/*) LDSHARED='$(CC) $(CFLAGS) -nostdlib -r';;
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3eb1694edce6 Use gcc, not gcc-elf on Linux
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182 Linux*) LDSHARED="gcc -shared";;
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183 FreeBSD*) LDSHARED="ld -Bshareable";;
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184 SCO_SV*) LDSHARED="cc -G -KPIC -Ki486 -belf -Wl,-Bexport";;
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185 *) LDSHARED="ld";;
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186 esac
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187 fi
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188 AC_MSG_RESULT($LDSHARED)
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189 # CCSHARED are the C *flags* used to create objects to go into a shared
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190 # library -- this is only needed for a few systems
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191 AC_MSG_CHECKING(CCSHARED)
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192 if test -z "$CCSHARED"
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193 then
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diff changeset
194 case $ac_sys_system in
2329
1b262d190a4a the usual
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195 hp*|HP*) if test "$GCC" = yes;
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196 then CCSHARED="-fpic";
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197 else CCSHARED="+z";
1b262d190a4a the usual
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198 fi;;
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199 Linux*) CCSHARED="-fpic";;
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bd6eaa2b41ac Some more header files and symbols.
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diff changeset
200 FreeBSD*) CCSHARED="-fpic";;
4029
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201 SCO_SV*) CCSHARED="-KPIC -dy -Bdynamic";;
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202 esac
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203 fi
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diff changeset
204 AC_MSG_RESULT($CCSHARED)
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205 # LINKFORSHARED are the flags passed to the $(CC) command that links
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206 # the python executable -- this is only needed for a few systems
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diff changeset
207 AC_MSG_CHECKING(LINKFORSHARED)
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diff changeset
208 if test -z "$LINKFORSHARED"
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diff changeset
209 then
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diff changeset
210 case $ac_sys_system in
3908
8671642e14a3 Changes for AIX; also remove all references to _REENTRANT.
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parents: 3891
diff changeset
211 AIX*) LINKFORSHARED="-Wl,-bE:python.exp";;
1881
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212 hp*|HP*) LINKFORSHARED="-Wl,-E";;
2731
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diff changeset
213 Linux*) LINKFORSHARED="-rdynamic";;
4253
02a0321f9468 Changes for NeXT by Lele
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diff changeset
214 next) LINKFORSHARED="-u libsys_s";;
4029
82c9dee053bc Several refinements:
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215 SCO_SV*) LINKFORSHARED="-Bdynamic -dy -Wl,-Bexport";;
1881
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diff changeset
216 esac
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diff changeset
217 fi
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diff changeset
218 AC_MSG_RESULT($LINKFORSHARED)
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diff changeset
219
1453
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220 # checks for libraries
2049
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diff changeset
221 AC_CHECK_LIB(dl, dlopen) # Dynamic linking for SunOS/Solaris and SYSV
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diff changeset
222 AC_CHECK_LIB(dld, shl_load) # Dynamic linking for HP-UX
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diff changeset
223 AC_CHECK_LIB(sun, getpwnam) # NIS (== YP) interface for IRIX 4
2245
7fa48ab4be0f add OSF/1 LDSHARED; add IRIX5 conditional for sockets
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diff changeset
224 # The following three (nsl,inet,socket) are needed on Sequent;
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diff changeset
225 # the order of checking must be this. Most SVR4 platforms will
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diff changeset
226 # need -lsocket and -lnsl. However on SGI IRIX 5, these exist but
7fa48ab4be0f add OSF/1 LDSHARED; add IRIX5 conditional for sockets
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diff changeset
227 # broken. I see no elegant solution (probably CHECK_LIB should be
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diff changeset
228 # fixed to only add the library if the given entry point is not
7fa48ab4be0f add OSF/1 LDSHARED; add IRIX5 conditional for sockets
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diff changeset
229 # satisfied without it).
4180
7ede012a35c5 Added checks for strdup and changed checks for hypot.
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diff changeset
230 if test "$ac_sys_system" != IRIX
2245
7fa48ab4be0f add OSF/1 LDSHARED; add IRIX5 conditional for sockets
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diff changeset
231 then
2161
f06222e07ca7 hopefully final changes for Sequent -linet
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diff changeset
232 AC_CHECK_LIB(nsl, t_open, [LIBS="-lnsl $LIBS"]) # SVR4
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diff changeset
233 AC_CHECK_LIB(inet, gethostbyname, [LIBS="-linet $LIBS"], [], -lnsl) # Sequent
f06222e07ca7 hopefully final changes for Sequent -linet
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diff changeset
234 AC_CHECK_LIB(socket, socket, [LIBS="-lsocket $LIBS"], [], $LIBS) # SVR4 sockets
2245
7fa48ab4be0f add OSF/1 LDSHARED; add IRIX5 conditional for sockets
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diff changeset
235 fi
3891
d9e7f1088c3b Three changes:
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diff changeset
236 AC_MSG_CHECKING(for --with-libs)
d9e7f1088c3b Three changes:
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diff changeset
237 AC_ARG_WITH(libs, [--with-libs='lib1 ...' link against additional libs], [
d9e7f1088c3b Three changes:
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diff changeset
238 AC_MSG_RESULT($withval)
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diff changeset
239 LIBS="$withval $LIBS"
d9e7f1088c3b Three changes:
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diff changeset
240 ], AC_MSG_RESULT(no))
1748
8286a662502b Merge alpha100 branch back to main trunk
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parents: 1456
diff changeset
241
2195
ccc279ff935d modernize all tests to use cache and report outcome
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parents: 2193
diff changeset
242 AC_MSG_CHECKING(for --with-readline)
3722
b2b063aa2755 Split some long lines (headers, functions).
Guido van Rossum <guido@python.org>
parents: 3626
diff changeset
243 AC_ARG_WITH(readline, [--with-readline[=DIRECTORY] use GNU readline library], [
2195
ccc279ff935d modernize all tests to use cache and report outcome
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diff changeset
244 AC_MSG_RESULT($withval)
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diff changeset
245 AC_DEFINE(WITH_READLINE)
3722
b2b063aa2755 Split some long lines (headers, functions).
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diff changeset
246 if test -d "$withval"
4029
82c9dee053bc Several refinements:
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diff changeset
247 then LDFLAGS="$LDFLAGS -L$withval"
1453
d773a5f89426 New files
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diff changeset
248 fi
4252
6b6c5d12130c Fixed nextstep buglet; check for libreadline w/o libterm*
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diff changeset
249 # first check if we can compile without lib termcap
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diff changeset
250 AC_MSG_CHECKING(for -lreadline without -ltermcap)
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diff changeset
251 # check if a libreadline exists
3722
b2b063aa2755 Split some long lines (headers, functions).
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diff changeset
252 LIBS="$LIBS -lreadline"
4252
6b6c5d12130c Fixed nextstep buglet; check for libreadline w/o libterm*
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parents: 4184
diff changeset
253 AC_TRY_LINK(extern char *readline();,char *line=readline();,[
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diff changeset
254 AC_MSG_RESULT(yes)],[
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diff changeset
255 AC_MSG_RESULT(no)
6b6c5d12130c Fixed nextstep buglet; check for libreadline w/o libterm*
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diff changeset
256 AC_CHECKING(for -lreadline that needs -ltermcap)
6b6c5d12130c Fixed nextstep buglet; check for libreadline w/o libterm*
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diff changeset
257 termcap=
6b6c5d12130c Fixed nextstep buglet; check for libreadline w/o libterm*
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diff changeset
258 AC_CHECK_LIB(termcap, tgetent, [termcap=termcap], [
6b6c5d12130c Fixed nextstep buglet; check for libreadline w/o libterm*
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diff changeset
259 AC_CHECK_LIB(termlib, tgetent, [termcap=termlib], [
6b6c5d12130c Fixed nextstep buglet; check for libreadline w/o libterm*
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diff changeset
260 AC_ERROR(no working -ltermcap/termlib found -- do not use --with-readline)])])
6b6c5d12130c Fixed nextstep buglet; check for libreadline w/o libterm*
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diff changeset
261 # Avoid possible conflict between shared libraries termcap and gl
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diff changeset
262 # on IRIX 5: both contain a routine called clear.
6b6c5d12130c Fixed nextstep buglet; check for libreadline w/o libterm*
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diff changeset
263 if test -f /usr/lib/lib$termcap.a
6b6c5d12130c Fixed nextstep buglet; check for libreadline w/o libterm*
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parents: 4184
diff changeset
264 then LIBS="$LIBS /usr/lib/lib$termcap.a"
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diff changeset
265 else LIBS="$LIBS -l$termcap"
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diff changeset
266 fi
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diff changeset
267 AC_MSG_CHECKING(for -lreadline)
6b6c5d12130c Fixed nextstep buglet; check for libreadline w/o libterm*
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parents: 4184
diff changeset
268 AC_TRY_LINK(extern char *readline();, char *line=readline();,[
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parents: 4184
diff changeset
269 AC_MSG_RESULT(yes)],[
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diff changeset
270 AC_ERROR(no working GNU readline library found -- do not use --with-readline)])
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diff changeset
271 ])
6b6c5d12130c Fixed nextstep buglet; check for libreadline w/o libterm*
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272 ],
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273 AC_MSG_RESULT(no))
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274
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275 AC_MSG_CHECKING(for --with-thread)
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276 AC_ARG_WITH(thread, [--with-thread[=DIRECTORY] make interpreter thread-safe], [
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277 AC_MSG_RESULT($withval)
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278 if test -d "$withval"
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279 then LDFLAGS="$LDFLAGS -L$withval"
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280 fi
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281 AC_DEFINE(_REENTRANT)
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282 AC_CHECK_HEADER(mach/cthreads.h, [AC_DEFINE(WITH_THREAD)
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283 AC_DEFINE(C_THREADS)
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284 LIBOBJS="$LIBOBJS thread.o"],[
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285 AC_CHECK_LIB(pthreads, pthread_create, [AC_DEFINE(WITH_THREAD)
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286 AC_DEFINE(_POSIX_THREADS)
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287 LIBS="$LIBS -lpthreads"
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288 LIBOBJS="$LIBOBJS thread.o"], [
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289 AC_CHECK_LIB(pthread, pthread_create, [AC_DEFINE(WITH_THREAD)
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290 AC_DEFINE(_POSIX_THREADS)
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291 LIBS="$LIBS -lpthread"
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292 LIBOBJS="$LIBOBJS thread.o"])
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293 ])])
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294 AC_CHECK_LIB(mpc, usconfig, [AC_DEFINE(WITH_THREAD)
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295 LIBS="$LIBS -lmpc"
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296 LIBOBJS="$LIBOBJS thread.o"])
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297 AC_CHECK_LIB(thread, thr_create, [AC_DEFINE(WITH_THREAD)
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298 LIBS="$LIBS -lthread"
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299 LIBOBJS="$LIBOBJS thread.o"])
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300 ], AC_MSG_RESULT(no))
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301
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302 # -I${DLINCLDIR} is added to the compile rule for importdl.o
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303 AC_SUBST(DLINCLDIR)
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304 DLINCLDIR=/
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305
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306 AC_MSG_CHECKING(for --with-sgi-dl)
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307 AC_ARG_WITH(sgi-dl, [--with-sgi-dl=DIRECTORY IRIX 4 dynamic linking], [
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308 AC_MSG_RESULT($withval)
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309 AC_DEFINE(WITH_SGI_DL)
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310 dldir=$withval
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311 if test -d "$dldir"
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312 then LDFLAGS="$LDFLAGS -L$dldir"
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313 else AC_ERROR(proper usage is --with-sgi-dl=DIRECTORY)
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314 fi
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315 DLINCLDIR=${dldir}
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316 LIBS="$LIBS -ldl -lmld"], AC_MSG_RESULT(no))
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317
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318 AC_MSG_CHECKING(for --with-dl-dld)
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319 AC_ARG_WITH(dl-dld, [--with-dl-dld=DL_DIR,DLD_DIR GNU dynamic linking], [
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320 AC_MSG_RESULT($withval)
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321 AC_DEFINE(WITH_DL_DLD)
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322 dldir=`echo "$withval" | sed 's/,.*//'`
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323 dlddir=`echo "$withval" | sed 's/.*,//'`
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324 if test -d "$dldir" -a -d "$dlddir"
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325 then LDFLAGS="$LDFLAGS -L$dldir -L$dlddir"
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326 else AC_ERROR(proper usage is --with-dl-dld=DL_DIRECTORY,DLD_DIRECTORY)
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327 fi
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328 DLINCLDIR=${dldir}
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329 LIBS="$LIBS -ldl -ldld"], AC_MSG_RESULT(no))
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330
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331 # checks for library functions
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332 AC_CHECK_FUNCS(chown clock dlopen flock ftime ftruncate \
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333 gethostname_r getpeername getpgrp getpid gettimeofday getwd \
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bf3f80941ec1 Added putenv to AC_CHECK_FUNCS list.
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334 link lstat mkfifo nice plock putenv readlink \
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335 select setgid setuid setsid setpgid setpgrp setvbuf \
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336 sigaction siginterrupt sigrelse strftime symlink \
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337 tcgetpgrp tcsetpgrp times truncate uname waitpid)
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7ede012a35c5 Added checks for strdup and changed checks for hypot.
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338 AC_REPLACE_FUNCS(dup2 getcwd strdup strerror memmove)
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diff changeset
339 AC_CHECK_FUNC(getpgrp, AC_TRY_COMPILE([#include <unistd.h>], [getpgrp(0);], AC_DEFINE(GETPGRP_HAVE_ARG)))
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diff changeset
340 AC_CHECK_FUNC(setpgrp, AC_TRY_COMPILE([#include <unistd.h>], [setpgrp(0,0);], AC_DEFINE(SETPGRP_HAVE_ARG)))
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diff changeset
341 AC_CHECK_FUNC(gettimeofday, AC_TRY_COMPILE([#include <sys/time.h>], [gettimeofday((struct timeval*)0,(struct timezone*)0);], ,AC_DEFINE(GETTIMEOFDAY_NO_TZ)))
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342
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343 # checks for structures
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diff changeset
344 AC_HEADER_TIME
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345 AC_STRUCT_TM
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346 AC_STRUCT_TIMEZONE
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347
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diff changeset
348 AC_MSG_CHECKING(for time.h that defines altzone)
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diff changeset
349 AC_CACHE_VAL(ac_cv_header_time_altzone,
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diff changeset
350 [AC_TRY_COMPILE([#include <time.h>], [return altzone;],
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diff changeset
351 ac_cv_header_time_altzone=yes,
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diff changeset
352 ac_cv_header_time_altzone=no)])
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diff changeset
353 AC_MSG_RESULT($ac_cv_header_time_altzone)
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diff changeset
354 if test $ac_cv_header_time_altzone = yes; then
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diff changeset
355 AC_DEFINE(HAVE_ALTZONE)
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diff changeset
356 fi
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357
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358 was_it_defined=no
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359 AC_MSG_CHECKING(whether sys/select.h and sys/time.h may both be included)
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diff changeset
360 AC_TRY_COMPILE([
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diff changeset
361 #include <sys/types.h>
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diff changeset
362 #include <sys/select.h>
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363 #include <sys/time.h>
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diff changeset
364 ], [;], [AC_DEFINE(SYS_SELECT_WITH_SYS_TIME) was_it_defined=yes])
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diff changeset
365 AC_MSG_RESULT($was_it_defined)
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366
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367 # checks for compiler characteristics
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diff changeset
368
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diff changeset
369 AC_C_CHAR_UNSIGNED
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diff changeset
370
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diff changeset
371 AC_C_CONST
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372
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diff changeset
373 works=no
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diff changeset
374 AC_MSG_CHECKING(for working volatile)
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diff changeset
375 AC_TRY_COMPILE([],[volatile int x; x = 0;], works=yes, AC_DEFINE(volatile, []))
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diff changeset
376 AC_MSG_RESULT($works)
1974
f95c193bfe65 add test for volatile
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parents: 1941
diff changeset
377
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diff changeset
378 works=no
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diff changeset
379 AC_MSG_CHECKING(for working signed char)
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diff changeset
380 AC_TRY_COMPILE([], [signed char c;], works=yes, AC_DEFINE(signed, []))
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diff changeset
381 AC_MSG_RESULT($works)
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diff changeset
382
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diff changeset
383 have_prototypes=no
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diff changeset
384 AC_MSG_CHECKING(for prototypes)
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diff changeset
385 AC_TRY_COMPILE([int foo(int x) { return 0; }], [return foo(10);],
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diff changeset
386 AC_DEFINE(HAVE_PROTOTYPES) have_prototypes=yes)
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diff changeset
387 AC_MSG_RESULT($have_prototypes)
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diff changeset
388
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diff changeset
389 works=no
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diff changeset
390 AC_MSG_CHECKING(for variable length prototypes and stdarg.h)
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diff changeset
391 AC_TRY_COMPILE([
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diff changeset
392 #include <stdarg.h>
4184
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diff changeset
393 int foo(int x, ...) {
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diff changeset
394 va_list va;
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diff changeset
395 va_start(va, x);
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diff changeset
396 va_arg(va, int);
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diff changeset
397 va_arg(va, char *);
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diff changeset
398 va_arg(va, double);
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diff changeset
399 return 0;
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diff changeset
400 }
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diff changeset
401 ], [return foo(10, "", 3.14);],
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diff changeset
402 AC_DEFINE(HAVE_STDARG_PROTOTYPES) works=yes)
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diff changeset
403 AC_MSG_RESULT($works)
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diff changeset
404
2195
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diff changeset
405 if test "$have_prototypes" = yes; then
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406 bad_prototypes=no
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407 AC_MSG_CHECKING(for bad exec* prototypes)
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408 AC_TRY_COMPILE([#include <unistd.h>], [char **t;execve("@",t,t);], ,
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409 AC_DEFINE(BAD_EXEC_PROTOTYPES) bad_prototypes=yes)
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410 AC_MSG_RESULT($bad_prototypes)
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411 fi
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412
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413 bad_forward=no
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414 AC_MSG_CHECKING(for bad static forward)
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415 AC_TRY_RUN([
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416 struct s { int a; int b; };
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417 static struct s foo;
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418 int foobar() {
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419 static int random;
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420 random = (int) &foo;
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421 return random;
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422 }
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423 static struct s foo = { 1, 2 };
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424 main() {
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425 exit(!((int)&foo == foobar()));
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426 }
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427 ], , AC_DEFINE(BAD_STATIC_FORWARD) bad_forward=yes)
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428 AC_MSG_RESULT($bad_forward)
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429
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430 va_list_is_array=no
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431 AC_MSG_CHECKING(whether va_list is an array)
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432 AC_TRY_COMPILE([
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433 #ifdef HAVE_STDARG_PROTOTYPES
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434 #include <stdarg.h>
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435 #else
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436 #include <varargs.h>
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437 #endif
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438 ], [va_list list1, list2; list1 = list2;], ,
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439 AC_DEFINE(VA_LIST_IS_ARRAY) va_list_is_array=yes)
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440 AC_MSG_RESULT($va_list_is_array)
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441
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442 # checks for system services
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443 # (none yet)
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444
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445 # Linux requires this for correct f.p. operations
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446 AC_CHECK_LIB(ieee, __fpu_control)
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447
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448 # check for --with-libm=...
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449 AC_SUBST(LIBM)
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450 case $ac_sys_system in
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451 next) ;;
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452 *) LIBM=-lm
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453 esac
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454 AC_ARG_WITH(libm, [--with-libm=STRING math library], [
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455 if test "$withval" != yes
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456 then LIBM=$withval
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457 else AC_ERROR(proper usage is --with-libm=STRING)
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458 fi])
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459
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460 # check for --with-libc=...
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461 AC_SUBST(LIBC)
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462 AC_ARG_WITH(libc, [--with-libc=STRING C library], [
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463 if test "$withval" != yes
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464 then LIBC=$withval
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465 else AC_ERROR(proper usage is --with-libc=STRING)
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466 fi])
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467
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468 # check for hypot() in math library
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469 LIBS_SAVE=$LIBS
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470 LIBS="$LIBS $LIBM"
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471 AC_CHECK_FUNCS(hypot)
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472 AC_REPLACE_FUNCS(hypot)
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473 LIBS=$LIBS_SAVE
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474
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475 # check for getopt
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476 AC_MSG_CHECKING(for genuine getopt)
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477 AC_CACHE_VAL(ac_cv_func_getopt,
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478 [AC_TRY_RUN([#include <stdio.h>
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479 extern int optind, opterr, getopt();
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480 extern char* optarg;
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481 int main() {
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482 char* av[] = { "testprog", "parameter", "-fFlag", NULL };
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483 opterr = 0;
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484 if (getopt(3, av, "f:") == 'f') { exit(1); }
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485 exit(0);
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486 }], ac_cv_func_getopt=yes, ac_cv_func_getopt=no, ac_cv_func_getopt=no)])dnl
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487 AC_MSG_RESULT($ac_cv_func_getopt)
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488 test $ac_cv_func_getopt = no && LIBOBJS="$LIBOBJS getopt.o"
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489 AC_SUBST(LIBOBJS)dnl
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diff changeset
490
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491 # generate output files
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492 AC_OUTPUT(Makefile \
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diff changeset
493 Objects/Makefile \
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494 Parser/Makefile \
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495 Python/Makefile \
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496 Modules/Makefile.pre)