configure.in

   1 #                                               -*- Autoconf -*-
   2 # Process this file with autoconf to produce a configure script.
   3
   4 # This file is part of flex.
   5
   6 # Redistribution and use in source and binary forms, with or without
   7 # modification, are permitted provided that the following conditions
   8 # are met:
   9
  10 # 1. Redistributions of source code must retain the above copyright
  11 # notice, this list of conditions and the following disclaimer.
  12 # 2. Redistributions in binary form must reproduce the above copyright
  13 # notice, this list of conditions and the following disclaimer in the
  14 # documentation and/or other materials provided with the distribution.
  15
  16 # Neither the name of the University nor the names of its contributors
  17 # may be used to endorse or promote products derived from this software
  18 # without specific prior written permission.
  19
  20 # THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
  21 # IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  22 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  23 # PURPOSE.
  24
  25 # autoconf requirements and initialization
  26
  27 AC_INIT([the fast lexical analyser generator], [2.5.37],
  28 [flex-help@lists.sourceforge.net], [flex])
  29 AC_CONFIG_SRCDIR([scan.l])
  30 AM_INIT_AUTOMAKE([gnits dist-bzip2 1.10])
  31 AC_CONFIG_HEADER([config.h:conf.in])
  32 AC_CONFIG_LIBOBJ_DIR([lib])
  33
  34 # checks for programs
  35
  36 AM_GNU_GETTEXT([external])
  37 AM_GNU_GETTEXT_VERSION(0.12)
  38 AC_PROG_YACC
  39 AM_PROG_LEX
  40 AC_PROG_CC
  41 AC_PROG_CXX
  42 AM_PROG_CC_C_O
  43 AC_PROG_LN_S
  44 AC_PROG_RANLIB
  45 AC_PROG_AWK
  46 AC_PROG_INSTALL
  47
  48 AC_PATH_PROG(BISON, bison,bison)
  49 AC_PATH_PROG(HELP2MAN, help2man, help2man)
  50
  51 # Check for a m4 that supports -P
  52
  53 AC_CACHE_CHECK([for m4 that supports -P], [ac_cv_path_M4],
  54 [AC_PATH_PROGS_FEATURE_CHECK([M4], [gm4 gnum4 m4],
  55               [[m4out=`echo 'm''4_divnum' | $ac_path_M4 -P`]
  56                 [test "x$m4out" = x0 \
  57                 && ac_cv_path_M4=$ac_path_M4 ac_path_M4_found=:]],
  58               [AC_MSG_ERROR([could not find m4 that supports -P])])])
  59 AC_SUBST([M4], [$ac_cv_path_M4])
  60 AC_DEFINE_UNQUOTED([M4], ["$M4"], [Define to the m4 executable name.])
  61
  62 AC_PATH_PROG(INDENT, indent, indent)
  63 # if INDENT is set to 'indent' then we didn't find indent
  64 if test "$INDENT" != indent ; then
  65    AC_MSG_CHECKING(if $INDENT is GNU indent)
  66    if $INDENT --version 2>/dev/null | head -n 1|grep "GNU indent" > /dev/null ; then
  67       AC_MSG_RESULT(yes)
  68    else
  69       AC_MSG_RESULT(no)
  70       AC_MSG_WARN($INDENT does not appear to be GNU indent.)
  71    fi
  72 else
  73    AC_MSG_WARN(no indent program found: make indent target will not function)
  74 fi
  75
  76 # checks for headers
  77
  78 AC_HEADER_STDC
  79 AC_HEADER_SYS_WAIT
  80 AC_CHECK_HEADERS([inttypes.h libintl.h limits.h locale.h malloc.h netinet/in.h regex.h stddef.h stdlib.h string.h strings.h unistd.h])
  81
  82 # checks for libraries
  83
  84 # The test test-pthread uses libpthread, so we check for it here, but
  85 # all we need is the preprocessor symbol defined since we don't need
  86 # LIBS to include libpthread for building flex.
  87
  88 AC_CHECK_LIB(pthread, pthread_mutex_lock,
  89 AC_DEFINE([HAVE_LIBPTHREAD], 1, [pthread library] ),
  90 AC_DEFINE([HAVE_LIBPTHREAD], 0, [pthread library] )
  91 )
  92 AC_CHECK_HEADERS([pthread.h])
  93
  94 AC_CHECK_LIB(m, log10)
  95
  96 # Checks for typedefs, structures, and compiler characteristics.
  97
  98 AC_HEADER_STDBOOL
  99 AC_C_CONST
 100 AC_TYPE_SIZE_T
 101
 102 # Checks for library functions.
 103
 104 AC_FUNC_ALLOCA
 105 AC_FUNC_FORK
 106 AC_FUNC_MALLOC
 107 AC_FUNC_REALLOC
 108 AC_CHECK_FUNCS([dup2 isascii memset pow regcomp setlocale strchr strtol])
 109
 110 AC_CONFIG_FILES(
 111 Makefile
 112 doc/Makefile
 113 examples/Makefile
 114 examples/fastwc/Makefile
 115 examples/manual/Makefile
 116 lib/Makefile
 117 po/Makefile.in
 118 tools/Makefile
 119 tests/Makefile
 120 tests/TEMPLATE/Makefile
 121 tests/test-array-nr/Makefile
 122 tests/test-array-r/Makefile
 123 tests/test-basic-nr/Makefile
 124 tests/test-basic-r/Makefile
 125 tests/test-bison-yylloc/Makefile
 126 tests/test-bison-yylval/Makefile
 127 tests/test-c-cpp-nr/Makefile
 128 tests/test-c-cpp-r/Makefile
 129 tests/test-header-nr/Makefile
 130 tests/test-header-r/Makefile
 131 tests/test-include-by-buffer/Makefile
 132 tests/test-include-by-push/Makefile
 133 tests/test-include-by-reentrant/Makefile
 134 tests/test-multiple-scanners-nr/Makefile
 135 tests/test-multiple-scanners-r/Makefile
 136 tests/test-noansi-nr/Makefile
 137 tests/test-noansi-r/Makefile
 138 tests/test-prefix-nr/Makefile
 139 tests/test-prefix-r/Makefile
 140 tests/test-pthread/Makefile
 141 tests/test-string-nr/Makefile
 142 tests/test-string-r/Makefile
 143 tests/test-yyextra/Makefile
 144 tests/test-alloc-extra/Makefile
 145 tests/test-lineno-nr/Makefile
 146 tests/test-lineno-r/Makefile
 147 tests/test-linedir-r/Makefile
 148 tests/test-debug-r/Makefile
 149 tests/test-debug-nr/Makefile
 150 tests/test-mem-nr/Makefile
 151 tests/test-mem-r/Makefile
 152 tests/test-posix/Makefile
 153 tests/test-posixly-correct/Makefile
 154 tests/test-table-opts/Makefile
 155 tests/test-c++-basic/Makefile
 156 tests/test-bison-nr/Makefile
 157 tests/test-reject/Makefile
 158 tests/test-c++-multiple-scanners/Makefile
 159 tests/test-top/Makefile
 160 tests/test-rescan-nr/Makefile
 161 tests/test-rescan-r/Makefile
 162 tests/test-quotes/Makefile
 163 tests/test-ccl/Makefile
 164 tests/test-extended/Makefile
 165 tests/test-c++-yywrap/Makefile
 166 tests/test-concatenated-options/Makefile
 167 dnl --new-test-here-- This line is processed by tests/create-test.
 168 )
 169
 170 AC_OUTPUT