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dnl Process this file with autoconf to produce a configure script.
dnl This is required at the start; the name is the name of a file
dnl it should be seeing, to verify it is in the same directory.
AC_INIT(dftables.c)
dnl A safety precaution
AC_PREREQ(2.57)
dnl Arrange to build config.h from config.in. Note that pcre.h is
dnl built differently, as it is just a "substitution" file.
dnl Manual says this macro should come right after AC_INIT.
AC_CONFIG_HEADER(config.h:config.in)
dnl Provide the current PCRE version information. Do not use numbers
dnl with leading zeros for the minor version, as they end up in a C
dnl macro, and may be treated as octal constants. Stick to single
dnl digits for minor numbers less than 10. There are unlikely to be
dnl that many releases anyway.
PCRE_MAJOR=5
PCRE_MINOR=0
PCRE_DATE=13-Sep-2004
PCRE_VERSION=${PCRE_MAJOR}.${PCRE_MINOR}
dnl Default values for miscellaneous macros
POSIX_MALLOC_THRESHOLD=-DPOSIX_MALLOC_THRESHOLD=10
dnl Provide versioning information for libtool shared libraries that
dnl are built by default on Unix systems.
PCRE_LIB_VERSION=0:1:0
PCRE_POSIXLIB_VERSION=0:0:0
dnl Checks for programs.
AC_PROG_CC
dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(limits.h)
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_SIZE_T
dnl Checks for library functions.
AC_CHECK_FUNCS(bcopy memmove strerror)
dnl Handle --enable-shared-libraries
LIBTOOL=./libtool
LIBSUFFIX=la
AC_ARG_ENABLE(shared,
[ --disable-shared build PCRE as a static library],
if test "$enableval" = "no"; then
LIBTOOL=
LIBSUFFIX=a
fi
)
dnl Handle --enable-utf8
AC_ARG_ENABLE(utf8,
[ --enable-utf8 enable UTF8 support],
if test "$enableval" = "yes"; then
UTF8=-DSUPPORT_UTF8
fi
)
dnl Handle --enable-unicode-properties
AC_ARG_ENABLE(unicode-properties,
[ --enable-unicode-properties enable Unicode properties support],
if test "$enableval" = "yes"; then
UCP=-DSUPPORT_UCP
fi
)
dnl Handle --enable-newline-is-cr
AC_ARG_ENABLE(newline-is-cr,
[ --enable-newline-is-cr use CR as the newline character],
if test "$enableval" = "yes"; then
NEWLINE=-DNEWLINE=13
fi
)
dnl Handle --enable-newline-is-lf
AC_ARG_ENABLE(newline-is-lf,
[ --enable-newline-is-lf use LF as the newline character],
if test "$enableval" = "yes"; then
NEWLINE=-DNEWLINE=10
fi
)
dnl Handle --enable-ebcdic
AC_ARG_ENABLE(ebcdic,
[ --enable-ebcdic assume EBCDIC coding rather than ASCII],
if test "$enableval" == "yes"; then
EBCDIC=-DEBCDIC=1
fi
)
dnl Handle --disable-stack-for-recursion
AC_ARG_ENABLE(stack-for-recursion,
[ --disable-stack-for-recursion disable use of stack recursion when matching],
if test "$enableval" = "no"; then
NO_RECURSE=-DNO_RECURSE
fi
)
dnl There doesn't seem to be a straightforward way of having parameters
dnl that set values, other than fudging the --with thing. So that's what
dnl I've done.
dnl Handle --with-posix-malloc-threshold=n
AC_ARG_WITH(posix-malloc-threshold,
[ --with-posix-malloc-threshold=5 threshold for POSIX malloc usage],
POSIX_MALLOC_THRESHOLD=-DPOSIX_MALLOC_THRESHOLD=$withval
)
dnl Handle --with-link-size=n
AC_ARG_WITH(link-size,
[ --with-link-size=2 internal link size (2, 3, or 4 allowed)],
LINK_SIZE=-DLINK_SIZE=$withval
)
dnl Handle --with-match_limit=n
AC_ARG_WITH(match-limit,
[ --with-match-limit=10000000 default limit on internal looping)],
MATCH_LIMIT=-DMATCH_LIMIT=$withval
)
dnl Unicode character property support implies UTF-8 support
if test "$UCP" != "" ; then
UTF8=-DSUPPORT_UTF8
fi
dnl "Export" these variables
AC_SUBST(BUILD_EXEEXT)
AC_SUBST(BUILD_OBJEXT)
AC_SUBST(CC_FOR_BUILD)
AC_SUBST(CFLAGS_FOR_BUILD)
AC_SUBST(EBCDIC)
AC_SUBST(HAVE_MEMMOVE)
AC_SUBST(HAVE_STRERROR)
AC_SUBST(LIBTOOL)
AC_SUBST(LIBSUFFIX)
AC_SUBST(LINK_SIZE)
AC_SUBST(MATCH_LIMIT)
AC_SUBST(NEWLINE)
AC_SUBST(NO_RECURSE)
AC_SUBST(PCRE_MAJOR)
AC_SUBST(PCRE_MINOR)
AC_SUBST(PCRE_DATE)
AC_SUBST(PCRE_VERSION)
AC_SUBST(PCRE_LIB_VERSION)
AC_SUBST(PCRE_POSIXLIB_VERSION)
AC_SUBST(POSIX_MALLOC_THRESHOLD)
AC_SUBST(UCP)
AC_SUBST(UTF8)
if test "x$enable_shared" = "xno" ; then
AC_DEFINE([PCRE_STATIC],[1],[to link statically])
fi
dnl This must be last; it determines what files are written as well as config.h
AC_OUTPUT(Makefile pcre.h:pcre.in pcre-config,[chmod a+x pcre-config])
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