code/trunk/configure.in

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=4
PCRE_MINOR=4
PCRE_DATE=21-August-2003
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
AC_PROG_INSTALL
AC_LIBTOOL_WIN32_DLL
AC_PROG_LIBTOOL

dnl We need to find a compiler for compiling a program to run on the local host
dnl while building. It needs to be different from CC when cross-compiling.
dnl There is a macro called AC_PROG_CC_FOR_BUILD in the GNU archive for
dnl figuring this out automatically. Unfortunately, it does not work with the
dnl latest versions of autoconf. So for the moment, we just default to the
dnl same values as the "main" compiler. People who are corss-compiling will
dnl just have to adjust the Makefile by hand or set these values when they
dnl run "configure".

CC_FOR_BUILD=${CC_FOR_BUILD:-'$(CC)'}
CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD:-'$(CFLAGS)'}
BUILD_EXEEXT=${BUILD_EXEEXT:-'$(EXEEXT)'}
BUILD_OBJEXT=${BUILD_OBJEXT:-'$(OBJEXT)'}

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-utf8

AC_ARG_ENABLE(utf8,
[  --enable-utf8           enable UTF8 support],
if test "$enableval" = "yes"; then
  UTF8=-DSUPPORT_UTF8
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 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 Now arrange to build libtool

AC_PROG_LIBTOOL

dnl "Export" these variables

AC_SUBST(BUILD_EXEEXT)
AC_SUBST(BUILD_OBJEXT)
AC_SUBST(CC_FOR_BUILD)
AC_SUBST(CFLAGS_FOR_BUILD)
AC_SUBST(HAVE_MEMMOVE)
AC_SUBST(HAVE_STRERROR)
AC_SUBST(LINK_SIZE)
AC_SUBST(MATCH_LIMIT)
AC_SUBST(NEWLINE)
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(UTF8)

dnl Stuff to make MinGW work better. Special treatment is no longer
dnl needed for Cygwin.

case $host_os in
mingw* )
    POSIX_OBJ=pcreposix.o
    POSIX_LOBJ=pcreposix.lo
    POSIX_LIB=
    ON_WINDOWS=
    NOT_ON_WINDOWS="#"
    WIN_PREFIX=
    ;;
* )
    ON_WINDOWS="#"
    NOT_ON_WINDOWS=
    POSIX_OBJ=
    POSIX_LOBJ=
    POSIX_LIB=libpcreposix.la
    WIN_PREFIX=
    ;;
esac
AC_SUBST(WIN_PREFIX)
AC_SUBST(ON_WINDOWS)
AC_SUBST(NOT_ON_WINDOWS)
AC_SUBST(POSIX_OBJ)
AC_SUBST(POSIX_LOBJ)
AC_SUBST(POSIX_LIB)

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:pcre-config.in RunTest:RunTest.in,[chmod a+x RunTest pcre-config])
1	nigel	41	dnl Process this file with autoconf to produce a configure script.
2
3			dnl This is required at the start; the name is the name of a file
4			dnl it should be seeing, to verify it is in the same directory.
5
6			AC_INIT(dftables.c)
7
8	nigel	67	dnl A safety precaution
9
10			AC_PREREQ(2.57)
11
12	nigel	43	dnl Arrange to build config.h from config.in. Note that pcre.h is
13			dnl built differently, as it is just a "substitution" file.
14			dnl Manual says this macro should come right after AC_INIT.
15			AC_CONFIG_HEADER(config.h:config.in)
16
17			dnl Provide the current PCRE version information. Do not use numbers
18			dnl with leading zeros for the minor version, as they end up in a C
19			dnl macro, and may be treated as octal constants. Stick to single
20			dnl digits for minor numbers less than 10. There are unlikely to be
21			dnl that many releases anyway.
22
23	nigel	63	PCRE_MAJOR=4
24	nigel	71	PCRE_MINOR=4
25			PCRE_DATE=21-August-2003
26	nigel	43	PCRE_VERSION=${PCRE_MAJOR}.${PCRE_MINOR}
27
28	nigel	63	dnl Default values for miscellaneous macros
29
30			POSIX_MALLOC_THRESHOLD=-DPOSIX_MALLOC_THRESHOLD=10
31
32	nigel	43	dnl Provide versioning information for libtool shared libraries that
33			dnl are built by default on Unix systems.
34
35	nigel	47	PCRE_LIB_VERSION=0:1:0
36	nigel	43	PCRE_POSIXLIB_VERSION=0:0:0
37
38	nigel	41	dnl Checks for programs.
39	nigel	43
40	nigel	41	AC_PROG_CC
41	nigel	53	AC_PROG_INSTALL
42	nigel	63	AC_LIBTOOL_WIN32_DLL
43			AC_PROG_LIBTOOL
44	nigel	41
45	nigel	67	dnl We need to find a compiler for compiling a program to run on the local host
46	nigel	65	dnl while building. It needs to be different from CC when cross-compiling.
47			dnl There is a macro called AC_PROG_CC_FOR_BUILD in the GNU archive for
48	nigel	67	dnl figuring this out automatically. Unfortunately, it does not work with the
49			dnl latest versions of autoconf. So for the moment, we just default to the
50			dnl same values as the "main" compiler. People who are corss-compiling will
51			dnl just have to adjust the Makefile by hand or set these values when they
52			dnl run "configure".
53	nigel	65
54			CC_FOR_BUILD=${CC_FOR_BUILD:-'$(CC)'}
55			CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD:-'$(CFLAGS)'}
56	nigel	67	BUILD_EXEEXT=${BUILD_EXEEXT:-'$(EXEEXT)'}
57			BUILD_OBJEXT=${BUILD_OBJEXT:-'$(OBJEXT)'}
58	nigel	65
59	nigel	41	dnl Checks for header files.
60	nigel	43
61	nigel	41	AC_HEADER_STDC
62			AC_CHECK_HEADERS(limits.h)
63
64			dnl Checks for typedefs, structures, and compiler characteristics.
65	nigel	43
66	nigel	41	AC_C_CONST
67			AC_TYPE_SIZE_T
68
69			dnl Checks for library functions.
70	nigel	43
71	nigel	47	AC_CHECK_FUNCS(bcopy memmove strerror)
72	nigel	41
73	nigel	49	dnl Handle --enable-utf8
74
75			AC_ARG_ENABLE(utf8,
76	nigel	63	[ --enable-utf8 enable UTF8 support],
77	nigel	49	if test "$enableval" = "yes"; then
78			UTF8=-DSUPPORT_UTF8
79			fi
80			)
81
82	nigel	53	dnl Handle --enable-newline-is-cr
83
84			AC_ARG_ENABLE(newline-is-cr,
85			[ --enable-newline-is-cr use CR as the newline character],
86			if test "$enableval" = "yes"; then
87			NEWLINE=-DNEWLINE=13
88			fi
89			)
90
91			dnl Handle --enable-newline-is-lf
92
93			AC_ARG_ENABLE(newline-is-lf,
94			[ --enable-newline-is-lf use LF as the newline character],
95			if test "$enableval" = "yes"; then
96			NEWLINE=-DNEWLINE=10
97			fi
98			)
99
100	nigel	63	dnl There doesn't seem to be a straightforward way of having parameters
101			dnl that set values, other than fudging the --with thing. So that's what
102			dnl I've done.
103
104			dnl Handle --with-posix-malloc-threshold=n
105
106			AC_ARG_WITH(posix-malloc-threshold,
107			[ --with-posix-malloc-threshold=5 threshold for POSIX malloc usage],
108			POSIX_MALLOC_THRESHOLD=-DPOSIX_MALLOC_THRESHOLD=$withval
109			)
110
111			dnl Handle --with-link-size=n
112
113			AC_ARG_WITH(link-size,
114			[ --with-link-size=2 internal link size (2, 3, or 4 allowed)],
115			LINK_SIZE=-DLINK_SIZE=$withval
116			)
117
118			dnl Handle --with-match_limit=n
119
120			AC_ARG_WITH(match-limit,
121			[ --with-match-limit=10000000 default limit on internal looping)],
122			MATCH_LIMIT=-DMATCH_LIMIT=$withval
123			)
124
125	nigel	53	dnl Now arrange to build libtool
126
127			AC_PROG_LIBTOOL
128
129	nigel	43	dnl "Export" these variables
130
131	nigel	67	AC_SUBST(BUILD_EXEEXT)
132			AC_SUBST(BUILD_OBJEXT)
133	nigel	65	AC_SUBST(CC_FOR_BUILD)
134			AC_SUBST(CFLAGS_FOR_BUILD)
135	nigel	43	AC_SUBST(HAVE_MEMMOVE)
136			AC_SUBST(HAVE_STRERROR)
137	nigel	63	AC_SUBST(LINK_SIZE)
138			AC_SUBST(MATCH_LIMIT)
139	nigel	65	AC_SUBST(NEWLINE)
140	nigel	43	AC_SUBST(PCRE_MAJOR)
141			AC_SUBST(PCRE_MINOR)
142			AC_SUBST(PCRE_DATE)
143			AC_SUBST(PCRE_VERSION)
144			AC_SUBST(PCRE_LIB_VERSION)
145			AC_SUBST(PCRE_POSIXLIB_VERSION)
146	nigel	63	AC_SUBST(POSIX_MALLOC_THRESHOLD)
147	nigel	65	AC_SUBST(UTF8)
148	nigel	41
149	nigel	71	dnl Stuff to make MinGW work better. Special treatment is no longer
150			dnl needed for Cygwin.
151	nigel	63
152			case $host_os in
153			mingw* )
154			POSIX_OBJ=pcreposix.o
155			POSIX_LOBJ=pcreposix.lo
156			POSIX_LIB=
157	nigel	67	ON_WINDOWS=
158			NOT_ON_WINDOWS="#"
159			WIN_PREFIX=
160	nigel	63	;;
161			* )
162	nigel	67	ON_WINDOWS="#"
163			NOT_ON_WINDOWS=
164	nigel	63	POSIX_OBJ=
165			POSIX_LOBJ=
166			POSIX_LIB=libpcreposix.la
167	nigel	67	WIN_PREFIX=
168	nigel	63	;;
169			esac
170	nigel	67	AC_SUBST(WIN_PREFIX)
171			AC_SUBST(ON_WINDOWS)
172			AC_SUBST(NOT_ON_WINDOWS)
173	nigel	63	AC_SUBST(POSIX_OBJ)
174			AC_SUBST(POSIX_LOBJ)
175			AC_SUBST(POSIX_LIB)
176
177			if test "x$enable_shared" = "xno" ; then
178	nigel	71	AC_DEFINE([PCRE_STATIC],[1],[to link statically])
179	nigel	63	fi
180
181	nigel	53	dnl This must be last; it determines what files are written as well as config.h
182	nigel	49	AC_OUTPUT(Makefile pcre.h:pcre.in pcre-config:pcre-config.in RunTest:RunTest.in,[chmod a+x RunTest pcre-config])