/[pcre]/code/trunk/configure.in
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revision 51 by nigel, Sat Feb 24 21:39:37 2007 UTC revision 71 by nigel, Sat Feb 24 21:40:24 2007 UTC
# Line 5  dnl it should be seeing, to verify it is Line 5  dnl it should be seeing, to verify it is
5    
6  AC_INIT(dftables.c)  AC_INIT(dftables.c)
7    
8    dnl A safety precaution
9    
10    AC_PREREQ(2.57)
11    
12  dnl Arrange to build config.h from config.in. Note that pcre.h is  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.  dnl built differently, as it is just a "substitution" file.
14  dnl Manual says this macro should come right after AC_INIT.  dnl Manual says this macro should come right after AC_INIT.
# Line 16  dnl macro, and may be treated as octal c Line 20  dnl macro, and may be treated as octal c
20  dnl digits for minor numbers less than 10. There are unlikely to be  dnl digits for minor numbers less than 10. There are unlikely to be
21  dnl that many releases anyway.  dnl that many releases anyway.
22    
23  PCRE_MAJOR=3  PCRE_MAJOR=4
24  PCRE_MINOR=4  PCRE_MINOR=4
25  PCRE_DATE=22-Aug-2000  PCRE_DATE=21-August-2003
26  PCRE_VERSION=${PCRE_MAJOR}.${PCRE_MINOR}  PCRE_VERSION=${PCRE_MAJOR}.${PCRE_MINOR}
27    
28    dnl Default values for miscellaneous macros
29    
30    POSIX_MALLOC_THRESHOLD=-DPOSIX_MALLOC_THRESHOLD=10
31    
32  dnl Provide versioning information for libtool shared libraries that  dnl Provide versioning information for libtool shared libraries that
33  dnl are built by default on Unix systems.  dnl are built by default on Unix systems.
34    
# Line 30  PCRE_POSIXLIB_VERSION=0:0:0 Line 38  PCRE_POSIXLIB_VERSION=0:0:0
38  dnl Checks for programs.  dnl Checks for programs.
39    
40  AC_PROG_CC  AC_PROG_CC
41  AC_PROG_RANLIB  AC_PROG_INSTALL
42    AC_LIBTOOL_WIN32_DLL
43    AC_PROG_LIBTOOL
44    
45    dnl We need to find a compiler for compiling a program to run on the local host
46    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    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    
54    CC_FOR_BUILD=${CC_FOR_BUILD:-'$(CC)'}
55    CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD:-'$(CFLAGS)'}
56    BUILD_EXEEXT=${BUILD_EXEEXT:-'$(EXEEXT)'}
57    BUILD_OBJEXT=${BUILD_OBJEXT:-'$(OBJEXT)'}
58    
59  dnl Checks for header files.  dnl Checks for header files.
60    
# Line 46  dnl Checks for library functions. Line 70  dnl Checks for library functions.
70    
71  AC_CHECK_FUNCS(bcopy memmove strerror)  AC_CHECK_FUNCS(bcopy memmove strerror)
72    
73  dnl Handle --enable-shared-libraries  dnl Handle --enable-utf8
74    
75    AC_ARG_ENABLE(utf8,
76    [  --enable-utf8           enable UTF8 support],
77    if test "$enableval" = "yes"; then
78      UTF8=-DSUPPORT_UTF8
79    fi
80    )
81    
82    dnl Handle --enable-newline-is-cr
83    
84  LIBTOOL=./libtool  AC_ARG_ENABLE(newline-is-cr,
85  LIBSUFFIX=la  [  --enable-newline-is-cr  use CR as the newline character],
86  AC_ARG_ENABLE(shared,  if test "$enableval" = "yes"; then
87  [  --disable-shared        build PCRE as a static library],    NEWLINE=-DNEWLINE=13
 if test "$enableval" = "no"; then  
   LIBTOOL=  
   LIBSUFFIX=a  
88  fi  fi
89  )  )
90    
91  dnl Handle --enable-utf8  dnl Handle --enable-newline-is-lf
92    
93  AC_ARG_ENABLE(utf8,  AC_ARG_ENABLE(newline-is-lf,
94  [  --enable-utf8           enable UTF8 support (incomplete)],  [  --enable-newline-is-lf  use LF as the newline character],
95  if test "$enableval" = "yes"; then  if test "$enableval" = "yes"; then
96    UTF8=-DSUPPORT_UTF8    NEWLINE=-DNEWLINE=10
97  fi  fi
98  )  )
99    
100    dnl There doesn't seem to be a straightforward way of having parameters
101    dnl that set values, other than fudging the --with thing. So that's what
102    dnl I've done.
103    
104    dnl Handle --with-posix-malloc-threshold=n
105    
106    AC_ARG_WITH(posix-malloc-threshold,
107    [  --with-posix-malloc-threshold=5  threshold for POSIX malloc usage],
108      POSIX_MALLOC_THRESHOLD=-DPOSIX_MALLOC_THRESHOLD=$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    dnl Now arrange to build libtool
126    
127    AC_PROG_LIBTOOL
128    
129  dnl "Export" these variables  dnl "Export" these variables
130    
131    AC_SUBST(BUILD_EXEEXT)
132    AC_SUBST(BUILD_OBJEXT)
133    AC_SUBST(CC_FOR_BUILD)
134    AC_SUBST(CFLAGS_FOR_BUILD)
135  AC_SUBST(HAVE_MEMMOVE)  AC_SUBST(HAVE_MEMMOVE)
136  AC_SUBST(HAVE_STRERROR)  AC_SUBST(HAVE_STRERROR)
137  AC_SUBST(LIBTOOL)  AC_SUBST(LINK_SIZE)
138  AC_SUBST(LIBSUFFIX)  AC_SUBST(MATCH_LIMIT)
139  AC_SUBST(UTF8)  AC_SUBST(NEWLINE)
140  AC_SUBST(PCRE_MAJOR)  AC_SUBST(PCRE_MAJOR)
141  AC_SUBST(PCRE_MINOR)  AC_SUBST(PCRE_MINOR)
142  AC_SUBST(PCRE_DATE)  AC_SUBST(PCRE_DATE)
143  AC_SUBST(PCRE_VERSION)  AC_SUBST(PCRE_VERSION)
144  AC_SUBST(PCRE_LIB_VERSION)  AC_SUBST(PCRE_LIB_VERSION)
145  AC_SUBST(PCRE_POSIXLIB_VERSION)  AC_SUBST(PCRE_POSIXLIB_VERSION)
146    AC_SUBST(POSIX_MALLOC_THRESHOLD)
147    AC_SUBST(UTF8)
148    
149    dnl Stuff to make MinGW work better. Special treatment is no longer
150    dnl needed for Cygwin.
151    
152    case $host_os in
153    mingw* )
154        POSIX_OBJ=pcreposix.o
155        POSIX_LOBJ=pcreposix.lo
156        POSIX_LIB=
157        ON_WINDOWS=
158        NOT_ON_WINDOWS="#"
159        WIN_PREFIX=
160        ;;
161    * )
162        ON_WINDOWS="#"
163        NOT_ON_WINDOWS=
164        POSIX_OBJ=
165        POSIX_LOBJ=
166        POSIX_LIB=libpcreposix.la
167        WIN_PREFIX=
168        ;;
169    esac
170    AC_SUBST(WIN_PREFIX)
171    AC_SUBST(ON_WINDOWS)
172    AC_SUBST(NOT_ON_WINDOWS)
173    AC_SUBST(POSIX_OBJ)
174    AC_SUBST(POSIX_LOBJ)
175    AC_SUBST(POSIX_LIB)
176    
177    if test "x$enable_shared" = "xno" ; then
178        AC_DEFINE([PCRE_STATIC],[1],[to link statically])
179    fi
180    
181  dnl This must be last; it determines what files are written  dnl This must be last; it determines what files are written as well as config.h
182  AC_OUTPUT(Makefile pcre.h:pcre.in pcre-config:pcre-config.in RunTest:RunTest.in,[chmod a+x RunTest pcre-config])  AC_OUTPUT(Makefile pcre.h:pcre.in pcre-config:pcre-config.in RunTest:RunTest.in,[chmod a+x RunTest pcre-config])

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