| [2557] | 1 | # Configuration for grep
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| 2 | #
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| 3 | # Alain Magloire <alainm@gnu.org>
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| 4 | # Bernhard Rosenkraenzer <bero@arklinux.org>
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| 5 | #
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| 6 | dnl Process this file with autoconf to produce a configure script
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| 7 | AC_INIT(src/grep.c)
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| 8 | AC_DEFINE(GREP, 1, [We are building grep])
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| 9 | AC_PREREQ(2.53)
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| 10 |
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| 11 | dnl Automake stuff.
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| 12 | AM_INIT_AUTOMAKE(grep, 2.5.1)
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| 13 | AM_CONFIG_HEADER(config.h:config.hin)
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| 14 |
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| 15 | dnl Check for arguments
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| 16 | AC_ARG_ENABLE(perl-regexp,
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| 17 | [ --disable-perl-regexp disable perl-regexp],
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| 18 | [case "${enableval}" in
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| 19 | yes) testpcre=yes ;;
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| 20 | no) testpcre=no ;;
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| 21 | *) AC_MSG_ERROR(bad value ${enableval} for --disable-perl-regexp) ;;
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| 22 | esac],[testpcre=yes])
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| 23 |
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| 24 | dnl Checks for programs.
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| 25 | AC_CANONICAL_HOST
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| 26 | AC_PROG_AWK
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| 27 | AC_PROG_CC
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| 28 | AC_PROG_INSTALL
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| 29 | AC_PROG_RANLIB
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| 30 |
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| 31 | dnl Checks for typedefs, structures, and compiler characteristics.
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| 32 | AC_SYS_LARGEFILE
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| 33 | AM_C_PROTOTYPES
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| 34 | AC_TYPE_SIZE_T
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| 35 | AC_CHECK_TYPE(ssize_t, int)
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| 36 | AC_C_CONST
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| 37 | jm_AC_TYPE_UINTMAX_T
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| 38 |
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| 39 | dnl Checks for header files.
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| 40 | AC_HEADER_STDC
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| 41 | AC_CHECK_HEADERS(string.h stdlib.h sys/param.h memory.h unistd.h libintl.h)
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| 42 | AC_CHECK_HEADERS(wctype.h wchar.h)
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| 43 | AC_HEADER_DIRENT
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| 44 | AC_HEADER_STAT
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| 45 | AC_MBSTATE_T
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| 46 |
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| 47 | dnl Checks for functions.
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| 48 | AC_FUNC_ALLOCA
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| 49 | AC_FUNC_CLOSEDIR_VOID
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| 50 | AC_FUNC_MMAP
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| 51 |
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| 52 | dnl getpagesize is checked for by AC_FUNC_MMAP.
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| 53 | AC_CHECK_FUNCS(btowc isascii memmove setmode strerror wctype mbrtowc)
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| 54 | AC_REPLACE_FUNCS(memchr stpcpy strtoul atexit fnmatch)
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| 55 | jm_AC_PREREQ_XSTRTOUMAX
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| 56 |
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| 57 | dnl Replace this with jm_CHECK_DECLS once autoconf 2.15 is out.
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| 58 | jm_CHECK_DECLARATIONS([#include <stdlib.h>], [strtoul strtoull])
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| 59 | test $jm_cv_func_decl_strtoul != yes
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| 60 | AC_DEFINE_UNQUOTED([HAVE_DECL_STRTOUL], $?,
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| 61 | [Define if <stdlib.h> declares strtoul.])
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| 62 | test $jm_cv_func_decl_strtoull != yes
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| 63 | AC_DEFINE_UNQUOTED([HAVE_DECL_STRTOULL], $?,
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| 64 | [Define if <stdlib.h> declares strtoull.])
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| 65 |
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| 66 | dnl for VC++
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| 67 | case "$ac_cv_prog_CC" in
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| 68 | cl*) AC_DEFINE([alloca], _alloca, [Define if your compiler is broken]) ;;
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| 69 | *) ;;
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| 70 | esac
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| 71 |
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| 72 | dnl I18N feature
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| 73 | ALL_LINGUAS="cs de el eo es et fr gl hr id it ja ko nl no pl pt_BR ru sl sv"
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| 74 | AM_GNU_GETTEXT
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| 75 |
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| 76 | dnl DOS file name convention
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| 77 | dnl sets HAVE_DOS_FILE_NAMES
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| 78 | AC_DOSFILE
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| 79 |
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| 80 | dnl check for the environ separator
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| 81 | dnl sets SEP
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| 82 | AM_SEP
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| 83 |
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| 84 | dnl OS specifics
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| 85 | dnl sets {EXE,OBJ}EXT
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| 86 | AC_EXEEXT
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| 87 | dnl Invoke the (capitalized) ac_objext macro without spelling its name.
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| 88 | dnl This works around a bug in automake 1.4 with ansi2knr.
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| 89 | dnl Automake looks for (capitalized) ac_objext by grepping for it,
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| 90 | dnl so it won't find it in this file.
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| 91 | ifelse(,, [AC][_OBJEXT])
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| 92 |
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| 93 | dnl some folks ask for this, that's fine by me
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| 94 | dnl hope they know what they're doing ...
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| 95 | dnl if glibc2 regex is not included
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| 96 |
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| 97 | dnl Many GNU/Linux people have different
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| 98 | dnl glibc versions with buggy regex.
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| 99 | jm_INCLUDED_REGEX(lib/regex.c)
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| 100 |
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| 101 | dnl Many people on non-GNU/Linux systems don't have getopt
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| 102 | AC_CHECK_FUNC(getopt_long,
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| 103 | [
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| 104 | AC_ARG_WITH(included-getopt,
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| 105 | [ --with-included-getopt Use the included getopt rather than glibc's],
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| 106 | with_getopt=$withval,
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| 107 | with_getopt=$no)
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| 108 | if test "x$with_getopt" = xyes; then
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| 109 | AC_LIBOBJ(getopt)
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| 110 | AC_LIBOBJ(getopt1)
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| 111 | fi
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| 112 | ],
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| 113 | [
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| 114 | AC_LIBOBJ(getopt)
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| 115 | AC_LIBOBJ(getopt1)
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| 116 | ])
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| 117 |
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| 118 | dnl Some installers want to be informed if we do not use our regex.
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| 119 | dnl For example, if the host platform uses dynamic linking and the installer
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| 120 | dnl knows that the grep may be invoked on other hosts with buggy libraries,
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| 121 | dnl then the installer should configure --with-included-regex.
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| 122 | if test "$jm_with_regex" = no; then
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| 123 | AC_MSG_WARN(Included lib/regex.c not used)
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| 124 | fi
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| 125 |
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| 126 | dnl These are the prerequisite macros for GNU's error.c file.
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| 127 | AC_FUNC_STRERROR_R
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| 128 | jm_PREREQ_ERROR
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| 129 |
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| 130 | dnl Determine whether malloc accepts 0 as its argument.
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| 131 | dnl If it doesn't, arrange to use the replacement function.
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| 132 | jm_FUNC_MALLOC
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| 133 | jm_FUNC_REALLOC
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| 134 |
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| 135 | # support for pcre
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| 136 | if test x"$testpcre" = x"yes"; then
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| 137 | if pcre-config --cflags >/dev/null 2>&1; then
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| 138 | CFLAGS="$CFLAGS `pcre-config --cflags`"
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| 139 | LIBS="$LIBS `pcre-config --libs`"
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| 140 | fi
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| 141 | AC_CHECK_LIB(pcre, pcre_exec)
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| 142 | fi
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| 143 |
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| 144 | AC_OUTPUT(Makefile lib/Makefile lib/posix/Makefile src/Makefile tests/Makefile po/Makefile.in intl/Makefile doc/Makefile m4/Makefile vms/Makefile bootstrap/Makefile, [sed -e "/POTFILES =/r po/POTFILES" po/Makefile.in > po/Makefile; echo timestamp > stamp-h])
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