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# Configuration for grep
#
# Alain Magloire <alainm@rcsm.ee.mcgill.ca>
#
dnl Process this file with autoconf to produce a configure script
AC_INIT(src/grep.c)
AC_DEFINE(GREP)
AC_PREREQ(2.13)
dnl Automake stuff.
AM_INIT_AUTOMAKE(grep, 2.4.2)
AM_CONFIG_HEADER(config.h:config.hin)
dnl Checks for programs.
AC_CANONICAL_HOST
AC_PROG_AWK
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_RANLIB
dnl Checks for typedefs, structures, and compiler characteristics.
AC_SYS_LARGEFILE
AM_C_PROTOTYPES
AC_TYPE_SIZE_T
AC_CHECK_TYPE(ssize_t, int)
AC_C_CONST
dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(string.h stdlib.h sys/param.h memory.h unistd.h libintl.h)
AC_CHECK_HEADERS(wctype.h wchar.h)
AC_HEADER_DIRENT
AC_HEADER_STAT
dnl Checks for functions.
AC_FUNC_ALLOCA
AC_FUNC_CLOSEDIR_VOID
AC_FUNC_MMAP
dnl getpagesize is checked for by AC_FUNC_MMAP.
AC_CHECK_FUNCS(btowc isascii memmove setmode strerror wctype)
AC_REPLACE_FUNCS(memchr stpcpy)
dnl for VC++
case "$ac_cv_prog_CC" in
cl*) AC_DEFINE(alloca, _alloca) ;;
*) ;;
esac
dnl I18N feature
ALL_LINGUAS="cs de el eo es et fr hr id it ja ko nl no pl pt_BR ru sl sv"
AM_GNU_GETTEXT
AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE")
AC_DEFINE_UNQUOTED(VERSION, "$VERSION")
dnl DOS file name convention
dnl sets HAVE_DOS_FILE_NAMES
AC_DOSFILE
dnl check for the environ separator
dnl sets SEP
AM_SEP
dnl OS specifics
dnl sets {EXE,OBJ}EXT
AC_EXEEXT
dnl Invoke the (capitalized) ac_objext macro without spelling its name.
dnl This works around a bug in automake 1.4 with ansi2knr.
dnl Automake looks for (capitalized) ac_objext by grepping for it,
dnl so it won't find it in this file.
ifelse(,, [AC][_OBJEXT])
dnl some folks ask for this, that's fine by me
dnl hope they know what they're doing ...
dnl if glibc2 regex is not included
dnl Many GNU/Linux people have different
dnl glibc versions with buggy regex.
jm_INCLUDED_REGEX(src/regex.c)
dnl Some installers want to be informed if we do not use our regex.
dnl For example, if the host platform uses dynamic linking and the installer
dnl knows that the grep may be invoked on other hosts with buggy libraries,
dnl then the installer should configure --with-included-regex.
if test $jm_with_regex = no; then
AC_MSG_WARN(Included src/regex.c not used)
fi
# This no-op line works around a bug in automake 1.4:
# it doesn't recognize the assignment to LIBOBJS
# in m4/regex.m4.
: LIBOBJS="$LIBOBJS regex.o"
# This is necessary so that .o files in LIBOBJS are also built via
# the ANSI2KNR-filtering rules.
LIBOBJS=`echo $LIBOBJS|sed 's/\.o /\$U.o /g;s/\.o$/\$U.o/'`
AC_OUTPUT(Makefile src/Makefile src/posix/Makefile tests/Makefile po/Makefile.in intl/Makefile doc/Makefile m4/Makefile djgpp/Makefile vms/Makefile bootstrap/Makefile, [sed -e "/POTFILES =/r po/POTFILES" po/Makefile.in > po/Makefile; echo timestamp > stamp-h])
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