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1 dnl -*- autoconf -*-
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2 dnl Process this file with autoconf to produce a configure script.
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3
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4 dnl Yes, that is a valid email address. If your mailer doesn't support nested
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5 dnl comments, then get a better mailer.
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6 AC_INIT([C-INTERCAL],[0.29],[[ais523(524\)x\((525)y)@bham.ac.uk]],[ick])
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7 AC_CONFIG_SRCDIR([../src/oil.h])
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8 AC_CONFIG_HEADER([bconfig.h:../src/bconfigh.in])
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9 AC_CONFIG_AUX_DIR([.])
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10
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11 dnl Checks for programs.
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12 AC_PROG_YACC
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13 AC_PROG_CC
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14 AM_PROG_LEX
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15 AC_PROG_RANLIB
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16 AC_PROG_LN_S
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17
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18 dnl Checks for libraries.
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19
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20 dnl Checks for header files.
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21 AC_HEADER_STDC
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22 AC_CHECK_HEADERS([sys/time.h unistd.h stdarg.h])
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23 AC_CHECK_HEADERS([stdint.h],[HAVE_STDINT_H=1])
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24 AC_SUBST(HAVE_STDINT_H)
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25
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26 dnl Checks for typedefs, structures, and compiler characteristics.
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27 dnl This Autoconf input is compatible with pre-C99 Autoconf, so to
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28 dnl check for long long AC_CHECK_SIZEOF is used to test for a nonzero result,
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29 dnl likewise for _Bool.
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30 AC_C_CONST
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31 AC_C_VOLATILE
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32 AC_CHECK_SIZEOF([long long int],[0])
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33 AC_CHECK_SIZEOF([_Bool],[0])
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34 AC_HEADER_TIME
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35 AC_EXEEXT
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36 AC_OBJEXT
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37 AC_SYS_INTERPRETER
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38 AC_TYPE_SIGNAL
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39 AC_TYPE_SIZE_T
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40 AC_TYPE_UINT16_T
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41 AC_TYPE_UINT32_T
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42
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43 AC_MSG_CHECKING([[whether yyrestart() is needed]])
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44 # Write a lex program that will cause an error if yyrestart exists.
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45 echo '%%
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46 %%
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47 float yyrestart(int, ...);' | $LEX
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48 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include "${LEX_OUTPUT_ROOT}.c"
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49 ]], [[exit(0);]])],[AC_MSG_RESULT(no)],[AC_DEFINE([NEED_YYRESTART],dnl
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50 [],[Define if yyrestart() is necessary to yyparse a new file.])
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51 AC_MSG_RESULT(yes)])
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52 rm -f ${LEX_OUTPUT_ROOT}.c
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53
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54 dnl Checks for library functions.
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55 AC_CHECK_FUNCS(gettimeofday gethrtime strdup strtol strtoul snprintf)
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56
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57 if test "$interpval" != "no"; then
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58 AC_DEFINE([HAVE_SYS_INTERPRETER], [], [Define if #! works on your system.])
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59 fi
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60 AC_DEFINE_UNQUOTED([EXEEXT],"$EXEEXT",[Extension to use on executable files.])
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61
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62 AC_CONFIG_FILES([host.mak:hostmak.in])
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63 AC_OUTPUT
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