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revision 222 by ph10, Fri Aug 17 10:48:51 2007 UTC revision 685 by ph10, Tue Sep 6 15:02:07 2011 UTC
# Line 1  Line 1 
1  dnl Process this file with autoconf to produce a configure script.  dnl Process this file with autoconf to produce a configure script.
2    
3  dnl NOTE FOR MAINTAINERS: Do not use major or minor version numbers with  dnl NOTE FOR MAINTAINERS: Do not use minor version numbers 08 or 09 because
4  dnl leading zeros, because they may be treated as octal constants. The  dnl the leading zeros may cause them to be treated as invalid octal constants
5  dnl PCRE_PRERELEASE feature is for identifying release candidates. It might  dnl if a PCRE user writes code that uses PCRE_MINOR as a number. There is now
6  dnl be defined as -RC2, for example. For real releases, it should be defined  dnl a check further down that throws an error if 08 or 09 are used.
7  dnl empty.  
8    dnl The PCRE_PRERELEASE feature is for identifying release candidates. It might
9  m4_define(pcre_major, [7])  dnl be defined as -RC2, for example. For real releases, it should be empty.
10  m4_define(pcre_minor, [3])  
11  m4_define(pcre_prerelease, [-RC7])  m4_define(pcre_major, [8])
12  m4_define(pcre_date, [2007-08-17])  m4_define(pcre_minor, [20])
13    m4_define(pcre_prerelease, [-RC1])
14    m4_define(pcre_date, [2011-08-18])
15    
16  # Libtool shared library interface versions (current:revision:age)  # Libtool shared library interface versions (current:revision:age)
17  m4_define(libpcre_version, [0:1:0])  m4_define(libpcre_version, [0:1:0])
# Line 22  AC_CONFIG_SRCDIR([pcre.h.in]) Line 24  AC_CONFIG_SRCDIR([pcre.h.in])
24  AM_INIT_AUTOMAKE([dist-bzip2 dist-zip])  AM_INIT_AUTOMAKE([dist-bzip2 dist-zip])
25  AC_CONFIG_HEADERS(config.h)  AC_CONFIG_HEADERS(config.h)
26    
27    # This was added at the suggestion of libtoolize (03-Jan-10)
28    AC_CONFIG_MACRO_DIR([m4])
29    
30  # The default CFLAGS and CXXFLAGS in Autoconf are "-g -O2" for gcc and just  # The default CFLAGS and CXXFLAGS in Autoconf are "-g -O2" for gcc and just
31  # "-g" for any other compiler. There doesn't seem to be a standard way of  # "-g" for any other compiler. There doesn't seem to be a standard way of
32  # getting rid of the -g (which I don't think is needed for a production  # getting rid of the -g (which I don't think is needed for a production
# Line 60  then Line 65  then
65    fi    fi
66  fi  fi
67    
68    # AC_PROG_CXX will return "g++" even if no c++ compiler is installed.
69    # Check for that case, and just disable c++ code if g++ doesn't run.
70    AC_LANG_PUSH(C++)
71    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],, CXX=""; CXXCP=""; CXXFLAGS="")
72    AC_LANG_POP
73    
74    # Check for a 64-bit integer type
75    AC_TYPE_INT64_T
76    
77  AC_PROG_INSTALL  AC_PROG_INSTALL
78  AC_LIBTOOL_WIN32_DLL  AC_LIBTOOL_WIN32_DLL
79  AC_PROG_LIBTOOL  LT_INIT
80  AC_PROG_LN_S  AC_PROG_LN_S
81    
82  PCRE_MAJOR="pcre_major"  PCRE_MAJOR="pcre_major"
# Line 71  PCRE_MINOR="pcre_minor" Line 84  PCRE_MINOR="pcre_minor"
84  PCRE_PRERELEASE="pcre_prerelease"  PCRE_PRERELEASE="pcre_prerelease"
85  PCRE_DATE="pcre_date"  PCRE_DATE="pcre_date"
86    
87    if test "$PCRE_MINOR" = "08" -o "$PCRE_MINOR" = "09"
88    then
89      echo "***"
90      echo "*** Minor version number $PCRE_MINOR must not be used. ***"
91      echo "*** Use only 01 to 07 or 10 onwards, to avoid octal issues. ***"
92      echo "***"
93      exit 1
94    fi
95    
96  AC_SUBST(PCRE_MAJOR)  AC_SUBST(PCRE_MAJOR)
97  AC_SUBST(PCRE_MINOR)  AC_SUBST(PCRE_MINOR)
98  AC_SUBST(PCRE_PRERELEASE)  AC_SUBST(PCRE_PRERELEASE)
# Line 82  then Line 104  then
104    htmldir='${docdir}/html'    htmldir='${docdir}/html'
105  fi  fi
106    
107  # Handle --disable-cpp  # Handle --disable-cpp. The substitution of enable_cpp is needed for use in
108    # pcre-config.
109  AC_ARG_ENABLE(cpp,  AC_ARG_ENABLE(cpp,
110                AS_HELP_STRING([--disable-cpp],                AS_HELP_STRING([--disable-cpp],
111                               [disable C++ support]),                               [disable C++ support]),
112                , enable_cpp=yes)                , enable_cpp=yes)
113    AC_SUBST(enable_cpp)
114    
115    # Handle --enable-jit (disabled by default)
116    AC_ARG_ENABLE(jit,
117                  AS_HELP_STRING([--enable-jit],
118                                 [enable Just-In-Time compiling support]),
119                  , enable_jit=no)
120    
121    # Handle --disable-pcregrep-jit (enabled by default)
122    AC_ARG_ENABLE(pcregrep-jit,
123                  AS_HELP_STRING([--disable-pcregrep-jit],
124                                 [disable JIT support in pcregrep]),
125                  , enable_pcregrep_jit=yes)
126    
127  # Handle --enable-rebuild-chartables  # Handle --enable-rebuild-chartables
128  AC_ARG_ENABLE(rebuild-chartables,  AC_ARG_ENABLE(rebuild-chartables,
# Line 97  AC_ARG_ENABLE(rebuild-chartables, Line 133  AC_ARG_ENABLE(rebuild-chartables,
133  # Handle --enable-utf8 (disabled by default)  # Handle --enable-utf8 (disabled by default)
134  AC_ARG_ENABLE(utf8,  AC_ARG_ENABLE(utf8,
135                AS_HELP_STRING([--enable-utf8],                AS_HELP_STRING([--enable-utf8],
136                               [enable UTF-8 support]),                               [enable UTF-8 support (incompatible with --enable-ebcdic)]),
137                , enable_utf8=unset)                , enable_utf8=unset)
138    
139  # Handle --enable-unicode-properties  # Handle --enable-unicode-properties
# Line 136  AC_ARG_ENABLE(newline-is-any, Line 172  AC_ARG_ENABLE(newline-is-any,
172                ac_pcre_newline=any)                ac_pcre_newline=any)
173  enable_newline="$ac_pcre_newline"  enable_newline="$ac_pcre_newline"
174    
175    # Handle --enable-bsr-anycrlf
176    AC_ARG_ENABLE(bsr-anycrlf,
177                  AS_HELP_STRING([--enable-bsr-anycrlf],
178                                 [\R matches only CR, LF, CRLF by default]),
179                  , enable_bsr_anycrlf=no)
180    
181  # Handle --enable-ebcdic  # Handle --enable-ebcdic
182  AC_ARG_ENABLE(ebcdic,  AC_ARG_ENABLE(ebcdic,
183                AS_HELP_STRING([--enable-ebcdic],                AS_HELP_STRING([--enable-ebcdic],
184                               [assume EBCDIC coding rather than ASCII; use this only in (uncommon) EBCDIC environments; it implies --enable-rebuild-chartables]),                               [assume EBCDIC coding rather than ASCII; incompatible with --enable-utf8; use only in (uncommon) EBCDIC environments; it implies --enable-rebuild-chartables]),
185                , enable_ebcdic=no)                , enable_ebcdic=no)
186    
187  # Handle --disable-stack-for-recursion  # Handle --disable-stack-for-recursion
# Line 148  AC_ARG_ENABLE(stack-for-recursion, Line 190  AC_ARG_ENABLE(stack-for-recursion,
190                               [don't use stack recursion when matching]),                               [don't use stack recursion when matching]),
191                , enable_stack_for_recursion=yes)                , enable_stack_for_recursion=yes)
192    
193    # Handle --enable-pcregrep-libz
194    AC_ARG_ENABLE(pcregrep-libz,
195                  AS_HELP_STRING([--enable-pcregrep-libz],
196                                 [link pcregrep with libz to handle .gz files]),
197                  , enable_pcregrep_libz=no)
198    
199    # Handle --enable-pcregrep-libbz2
200    AC_ARG_ENABLE(pcregrep-libbz2,
201                  AS_HELP_STRING([--enable-pcregrep-libbz2],
202                                 [link pcregrep with libbz2 to handle .bz2 files]),
203                  , enable_pcregrep_libbz2=no)
204    
205    # Handle --with-pcregrep-bufsize=N
206    AC_ARG_WITH(pcregrep-bufsize,
207                  AS_HELP_STRING([--with-pcregrep-bufsize=N],
208                                 [pcregrep buffer size (default=20480)]),
209                  , with_pcregrep_bufsize=20480)
210    
211    # Handle --enable-pcretest-libreadline
212    AC_ARG_ENABLE(pcretest-libreadline,
213                  AS_HELP_STRING([--enable-pcretest-libreadline],
214                                 [link pcretest with libreadline]),
215                  , enable_pcretest_libreadline=no)
216    
217  # Handle --with-posix-malloc-threshold=NBYTES  # Handle --with-posix-malloc-threshold=NBYTES
218  AC_ARG_WITH(posix-malloc-threshold,  AC_ARG_WITH(posix-malloc-threshold,
219              AS_HELP_STRING([--with-posix-malloc-threshold=NBYTES],              AS_HELP_STRING([--with-posix-malloc-threshold=NBYTES],
# Line 197  then Line 263  then
263  fi  fi
264    
265  # Make sure that if enable_ebcdic is set, rebuild_chartables is also enabled.  # Make sure that if enable_ebcdic is set, rebuild_chartables is also enabled.
266    # Also check that UTF-8 support is not requested, because PCRE cannot handle
267    # EBCDIC and UTF-8 in the same build. To do so it would need to use different
268    # character constants depending on the mode.
269  #  #
270  if test "x$enable_ebcdic" = "xyes"  if test "x$enable_ebcdic" = "xyes"
271  then  then
272    enable_rebuild_chartables=yes    enable_rebuild_chartables=yes
273      if test "x$enable_utf8" = "xyes"
274      then
275        AC_MSG_ERROR([support for EBCDIC and UTF-8 cannot be enabled at the same time])
276      fi
277  fi  fi
278    
279  # Convert the newline identifier into the appropriate integer value.  # Convert the newline identifier into the appropriate integer value.
# Line 231  it to run on SunOS4 and other "close to Line 304  it to run on SunOS4 and other "close to
304    
305  If you are going to build PCRE "by hand" on a system without "configure" you  If you are going to build PCRE "by hand" on a system without "configure" you
306  should copy the distributed config.h.generic to config.h, and then set up the  should copy the distributed config.h.generic to config.h, and then set up the
307  macros the way you need them. Alternatively, you can avoid editing by using -D  macro definitions the way you need them. You must then add -DHAVE_CONFIG_H to
308  on the compiler command line to set the macro values.  all of your compile commands, so that config.h is included at the start of
309    every source.
310    
311    Alternatively, you can avoid editing by using -D on the compiler command line
312    to set the macro values. In this case, you do not have to set -DHAVE_CONFIG_H.
313    
314  PCRE uses memmove() if HAVE_MEMMOVE is set to 1; otherwise it uses bcopy() if  PCRE uses memmove() if HAVE_MEMMOVE is set to 1; otherwise it uses bcopy() if
315  HAVE_BCOPY is set to 1. If your system has neither bcopy() nor memmove(), set  HAVE_BCOPY is set to 1. If your system has neither bcopy() nor memmove(), set
# Line 249  if test "x$enable_cpp" = "xyes" -a -n "$ Line 326  if test "x$enable_cpp" = "xyes" -a -n "$
326  then  then
327  AC_LANG_PUSH(C++)  AC_LANG_PUSH(C++)
328    
329    # Older versions of pcre defined pcrecpp::no_arg, but in new versions
330    # it's called pcrecpp::RE::no_arg.  For backwards ABI compatibility,
331    # we want to make one an alias for the other.  Different systems do
332    # this in different ways.  Some systems, for instance, can do it via
333    # a linker flag: -alias (for os x 10.5) or -i (for os x <=10.4).
334    OLD_LDFLAGS="$LDFLAGS"
335    for flag in "-alias,__ZN7pcrecpp2RE6no_argE,__ZN7pcrecpp6no_argE" \
336                "-i__ZN7pcrecpp6no_argE:__ZN7pcrecpp2RE6no_argE"; do
337      AC_MSG_CHECKING([for alias support in the linker])
338      LDFLAGS="$OLD_LDFLAGS -Wl,$flag"
339      # We try to run the linker with this new ld flag.  If the link fails,
340      # we give up and remove the new flag from LDFLAGS.
341      AC_LINK_IFELSE([AC_LANG_PROGRAM([namespace pcrecpp {
342                                        class RE { static int no_arg; };
343                                        int RE::no_arg;
344                                      }],
345                                     [])],
346                     [AC_MSG_RESULT([yes]);
347                      EXTRA_LIBPCRECPP_LDFLAGS="$EXTRA_LIBPCRECPP_LDFLAGS -Wl,$flag";
348                      break;],
349                     AC_MSG_RESULT([no]))
350    done
351    LDFLAGS="$OLD_LDFLAGS"
352    
353  # We could be more clever here, given we're doing AC_SUBST with this  # We could be more clever here, given we're doing AC_SUBST with this
354  # (eg set a var to be the name of the include file we want). But we're not  # (eg set a var to be the name of the include file we want). But we're not
355  # so it's easy to change back to 'regular' autoconf vars if we needed to.  # so it's easy to change back to 'regular' autoconf vars if we needed to.
# Line 258  AC_CHECK_HEADERS(bits/type_traits.h, [pc Line 359  AC_CHECK_HEADERS(bits/type_traits.h, [pc
359                                       [pcre_have_bits_type_traits="0"])                                       [pcre_have_bits_type_traits="0"])
360  AC_CHECK_HEADERS(type_traits.h, [pcre_have_type_traits="1"],  AC_CHECK_HEADERS(type_traits.h, [pcre_have_type_traits="1"],
361                                  [pcre_have_type_traits="0"])                                  [pcre_have_type_traits="0"])
362    
363    # (This isn't c++-specific, but is only used in pcrecpp.cc, so try this
364    # in a c++ context.  This matters becuase strtoimax is C99 and may not
365    # be supported by the C++ compiler.)
366    # Figure out how to create a longlong from a string: strtoll and
367    # equiv.  It's not enough to call AC_CHECK_FUNCS: hpux has a
368    # strtoll, for instance, but it only takes 2 args instead of 3!
369    # We have to call AH_TEMPLATE since AC_DEFINE_UNQUOTED below is complex.
370    AH_TEMPLATE(HAVE_STRTOQ, [Define to 1 if you have `strtoq'.])
371    AH_TEMPLATE(HAVE_STRTOLL, [Define to 1 if you have `strtoll'.])
372    AH_TEMPLATE(HAVE__STRTOI64, [Define to 1 if you have `_strtoi64'.])
373    AH_TEMPLATE(HAVE_STRTOIMAX, [Define to 1 if you have `strtoimax'.])
374    have_strto_fn=0
375    for fn in strtoq strtoll _strtoi64 strtoimax; do
376      AC_MSG_CHECKING([for $fn])
377      if test "$fn" = strtoimax; then
378        include=stdint.h
379      else
380        include=stdlib.h
381      fi
382      AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <$include>],
383                                        [char* e; return $fn("100", &e, 10)])],
384                        [AC_MSG_RESULT(yes)
385                         AC_DEFINE_UNQUOTED(HAVE_`echo $fn | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`, 1,
386                                            [Define to 1 if you have `$fn'.])
387                         have_strto_fn=1
388                         break],
389                        [AC_MSG_RESULT(no)])
390    done
391    
392    if test "$have_strto_fn" = 1; then
393      AC_CHECK_TYPES([long long],
394                     [pcre_have_long_long="1"],
395                     [pcre_have_long_long="0"])
396      AC_CHECK_TYPES([unsigned long long],
397                     [pcre_have_ulong_long="1"],
398                     [pcre_have_ulong_long="0"])
399    else
400      pcre_have_long_long="0"
401      pcre_have_ulong_long="0"
402    fi
403    AC_SUBST(pcre_have_long_long)
404    AC_SUBST(pcre_have_ulong_long)
405    
406  AC_LANG_POP  AC_LANG_POP
407  fi  fi
408  # Using AC_SUBST eliminates the need to include config.h in a public .h file  # Using AC_SUBST eliminates the need to include config.h in a public .h file
# Line 267  AC_SUBST(pcre_have_bits_type_traits) Line 412  AC_SUBST(pcre_have_bits_type_traits)
412  # Conditional compilation  # Conditional compilation
413  AM_CONDITIONAL(WITH_PCRE_CPP, test "x$enable_cpp" = "xyes")  AM_CONDITIONAL(WITH_PCRE_CPP, test "x$enable_cpp" = "xyes")
414  AM_CONDITIONAL(WITH_REBUILD_CHARTABLES, test "x$enable_rebuild_chartables" = "xyes")  AM_CONDITIONAL(WITH_REBUILD_CHARTABLES, test "x$enable_rebuild_chartables" = "xyes")
415    AM_CONDITIONAL(WITH_JIT, test "x$enable_jit" = "xyes")
416    
417  # Checks for typedefs, structures, and compiler characteristics.  # Checks for typedefs, structures, and compiler characteristics.
418    
419  AC_C_CONST  AC_C_CONST
420  AC_TYPE_SIZE_T  AC_TYPE_SIZE_T
421    
 AC_CHECK_TYPES([long long],  
                [pcre_have_long_long="1"],  
                [pcre_have_long_long="0"])  
 AC_CHECK_TYPES([unsigned long long],  
                [pcre_have_ulong_long="1"],  
                [pcre_have_ulong_long="0"])  
 AC_SUBST(pcre_have_long_long)  
 AC_SUBST(pcre_have_ulong_long)  
   
422  # Checks for library functions.  # Checks for library functions.
423    
424  AC_CHECK_FUNCS(bcopy memmove strerror strtoq strtoll)  AC_CHECK_FUNCS(bcopy memmove strerror)
425    
426    # Check for the availability of libz (aka zlib)
427    
428    AC_CHECK_HEADERS([zlib.h], [HAVE_ZLIB_H=1])
429    AC_CHECK_LIB([z], [gzopen], [HAVE_LIBZ=1])
430    
431    # Check for the availability of libbz2. Originally we just used AC_CHECK_LIB,
432    # as for libz. However, this had the following problem, diagnosed and fixed by
433    # a user:
434    #
435    #   - libbz2 uses the Pascal calling convention (WINAPI) for the functions
436    #     under Win32.
437    #   - The standard autoconf AC_CHECK_LIB fails to include "bzlib.h",
438    #     therefore missing the function definition.
439    #   - The compiler thus generates a "C" signature for the test function.
440    #   - The linker fails to find the "C" function.
441    #   - PCRE fails to configure if asked to do so against libbz2.
442    #
443    # Solution:
444    #
445    #   - Replace the AC_CHECK_LIB test with a custom test.
446    
447    AC_CHECK_HEADERS([bzlib.h], [HAVE_BZLIB_H=1])
448    # Original test
449    # AC_CHECK_LIB([bz2], [BZ2_bzopen], [HAVE_LIBBZ2=1])
450    #
451    # Custom test follows
452    
453    AC_MSG_CHECKING([for libbz2])
454    OLD_LIBS="$LIBS"
455    LIBS="$LIBS -lbz2"
456    AC_LINK_IFELSE([AC_LANG_PROGRAM([[
457    #ifdef HAVE_BZLIB_H
458    #include <bzlib.h>
459    #endif]],
460    [[return (int)BZ2_bzopen("conftest", "rb");]])],
461    [AC_MSG_RESULT([yes]);HAVE_LIBBZ2=1; break;],
462    AC_MSG_RESULT([no]))
463    LIBS="$OLD_LIBS"
464    
465    # Check for the availabiity of libreadline
466    
467    AC_CHECK_HEADERS([readline/readline.h], [HAVE_READLINE_H=1])
468    AC_CHECK_HEADERS([readline/history.h], [HAVE_HISTORY_H=1])
469    AC_CHECK_LIB([readline], [readline], [HAVE_LIB_READLINE=1])
470    
471  # This facilitates -ansi builds under Linux  # This facilitates -ansi builds under Linux
472  dnl AC_DEFINE([_GNU_SOURCE], [], [Enable GNU extensions in glibc])  dnl AC_DEFINE([_GNU_SOURCE], [], [Enable GNU extensions in glibc])
473    
474    PCRE_STATIC_CFLAG=""
475  if test "x$enable_shared" = "xno" ; then  if test "x$enable_shared" = "xno" ; then
476    AC_DEFINE([PCRE_STATIC], [1], [    AC_DEFINE([PCRE_STATIC], [1], [
477      Define if linking statically (TODO: make nice with Libtool)])      Define if linking statically (TODO: make nice with Libtool)])
478      PCRE_STATIC_CFLAG="-DPCRE_STATIC"
479  fi  fi
480    AC_SUBST(PCRE_STATIC_CFLAG)
481    
482  # Here is where pcre specific defines are handled  # Here is where pcre specific defines are handled
483    
484    if test "$enable_jit" = "yes"; then
485      AC_DEFINE([SUPPORT_JIT], [], [
486        Define to enable support for Just-In-Time compiling.])
487    else
488      enable_pcregrep_jit="no"
489    fi
490    
491    if test "$enable_pcregrep_jit" = "yes"; then
492      AC_DEFINE([SUPPORT_PCREGREP_JIT], [], [
493        Define to enable JIT support in pcregrep.])
494    fi
495    
496  if test "$enable_utf8" = "yes"; then  if test "$enable_utf8" = "yes"; then
497    AC_DEFINE([SUPPORT_UTF8], [], [    AC_DEFINE([SUPPORT_UTF8], [], [
498      Define to enable support for the UTF-8 Unicode encoding.])      Define to enable support for the UTF-8 Unicode encoding. This will
499        work even in an EBCDIC environment, but it is incompatible with
500        the EBCDIC macro. That is, PCRE can support *either* EBCDIC code
501        *or* ASCII/UTF-8, but not both at once.])
502  fi  fi
503    
504  if test "$enable_unicode_properties" = "yes"; then  if test "$enable_unicode_properties" = "yes"; then
505    AC_DEFINE([SUPPORT_UCP], [], [    AC_DEFINE([SUPPORT_UCP], [], [
506      Define to enable support for Unicode properties])      Define to enable support for Unicode properties.])
507  fi  fi
508    
509  if test "$enable_stack_for_recursion" = "no"; then  if test "$enable_stack_for_recursion" = "no"; then
# Line 319  if test "$enable_stack_for_recursion" = Line 519  if test "$enable_stack_for_recursion" =
519      (use --disable-stack-for-recursion).])      (use --disable-stack-for-recursion).])
520  fi  fi
521    
522    if test "$enable_pcregrep_libz" = "yes"; then
523      AC_DEFINE([SUPPORT_LIBZ], [], [
524        Define to allow pcregrep to be linked with libz, so that it is
525        able to handle .gz files.])
526    fi
527    
528    if test "$enable_pcregrep_libbz2" = "yes"; then
529      AC_DEFINE([SUPPORT_LIBBZ2], [], [
530        Define to allow pcregrep to be linked with libbz2, so that it is
531        able to handle .bz2 files.])
532    fi
533    
534    if test $with_pcregrep_bufsize -lt 8192 ; then
535      with_pcregrep_bufsize="8192"
536    fi
537    
538    AC_DEFINE_UNQUOTED([PCREGREP_BUFSIZE], [$with_pcregrep_bufsize], [
539      The value of PCREGREP_BUFSIZE determines the size of buffer used by
540      pcregrep to hold parts of the file it is searching. On systems that
541      support it, "configure" can be used to override the default, which is
542      8192. This is also the minimum value. The actual amount of memory used by
543      pcregrep is three times this number, because it allows for the buffering of
544      "before" and "after" lines.])
545    
546    if test "$enable_pcretest_libreadline" = "yes"; then
547      AC_DEFINE([SUPPORT_LIBREADLINE], [], [
548        Define to allow pcretest to be linked with libreadline.])
549    fi
550    
551  AC_DEFINE_UNQUOTED([NEWLINE], [$ac_pcre_newline_value], [  AC_DEFINE_UNQUOTED([NEWLINE], [$ac_pcre_newline_value], [
552    The value of NEWLINE determines the newline character sequence. On    The value of NEWLINE determines the newline character sequence. On
553    Unix-like systems, "configure" can be used to override the default,    systems that support it, "configure" can be used to override the
554    which is 10. The possible values are 10 (LF), 13 (CR), 3338 (CRLF),    default, which is 10. The possible values are 10 (LF), 13 (CR),
555    -1 (ANY), or -2 (ANYCRLF).])    3338 (CRLF), -1 (ANY), or -2 (ANYCRLF).])
556    
557    if test "$enable_bsr_anycrlf" = "yes"; then
558      AC_DEFINE([BSR_ANYCRLF], [], [
559        By default, the \R escape sequence matches any Unicode line ending
560        character or sequence of characters. If BSR_ANYCRLF is defined, this is
561        changed so that backslash-R matches only CR, LF, or CRLF. The build-
562        time default can be overridden by the user of PCRE at runtime. On
563        systems that support it, "configure" can be used to override the
564        default.])
565    fi
566    
567  AC_DEFINE_UNQUOTED([LINK_SIZE], [$with_link_size], [  AC_DEFINE_UNQUOTED([LINK_SIZE], [$with_link_size], [
568    The value of LINK_SIZE determines the number of bytes used to store    The value of LINK_SIZE determines the number of bytes used to store
# Line 392  if test "$enable_ebcdic" = "yes"; then Line 631  if test "$enable_ebcdic" = "yes"; then
631    AC_DEFINE_UNQUOTED([EBCDIC], [], [    AC_DEFINE_UNQUOTED([EBCDIC], [], [
632      If you are compiling for a system that uses EBCDIC instead of ASCII      If you are compiling for a system that uses EBCDIC instead of ASCII
633      character codes, define this macro as 1. On systems that can use      character codes, define this macro as 1. On systems that can use
634      "configure", this can be done via --enable-ebcdic.])      "configure", this can be done via --enable-ebcdic. PCRE will then
635        assume that all input strings are in EBCDIC. If you do not define
636        this macro, PCRE will assume input strings are ASCII or UTF-8 Unicode.
637        It is not possible to build a version of PCRE that supports both
638        EBCDIC and UTF-8.])
639  fi  fi
640    
641  # Platform specific issues  # Platform specific issues
# Line 410  esac Line 653  esac
653  # The extra LDFLAGS for each particular library  # The extra LDFLAGS for each particular library
654  # (Note: The libpcre*_version bits are m4 variables, assigned above)  # (Note: The libpcre*_version bits are m4 variables, assigned above)
655    
656  EXTRA_LIBPCRE_LDFLAGS="$NO_UNDEFINED -version-info libpcre_version"  EXTRA_LIBPCRE_LDFLAGS="$EXTRA_LIBPCRE_LDFLAGS \
657                           $NO_UNDEFINED -version-info libpcre_version"
658    
659  EXTRA_LIBPCREPOSIX_LDFLAGS="$NO_UNDEFINED -version-info libpcreposix_version"  EXTRA_LIBPCREPOSIX_LDFLAGS="$EXTRA_LIBPCREPOSIX_LDFLAGS \
660                                $NO_UNDEFINED -version-info libpcreposix_version"
661    
662  EXTRA_LIBPCRECPP_LDFLAGS="$NO_UNDEFINED $EXPORT_ALL_SYMBOLS -version-info libpcrecpp_version"  EXTRA_LIBPCRECPP_LDFLAGS="$EXTRA_LIBPCRECPP_LDFLAGS \
663                              $NO_UNDEFINED -version-info libpcrecpp_version \
664                              $EXPORT_ALL_SYMBOLS"
665    
666  AC_SUBST(EXTRA_LIBPCRE_LDFLAGS)  AC_SUBST(EXTRA_LIBPCRE_LDFLAGS)
667  AC_SUBST(EXTRA_LIBPCREPOSIX_LDFLAGS)  AC_SUBST(EXTRA_LIBPCREPOSIX_LDFLAGS)
668  AC_SUBST(EXTRA_LIBPCRECPP_LDFLAGS)  AC_SUBST(EXTRA_LIBPCRECPP_LDFLAGS)
669    
670  # When we run 'make distcheck', use these arguments.  # When we run 'make distcheck', use these arguments.
671  DISTCHECK_CONFIGURE_FLAGS="--enable-cpp --enable-unicode-properties"  DISTCHECK_CONFIGURE_FLAGS="--enable-jit --enable-cpp --enable-unicode-properties"
672  AC_SUBST(DISTCHECK_CONFIGURE_FLAGS)  AC_SUBST(DISTCHECK_CONFIGURE_FLAGS)
673    
674    # Check that, if --enable-pcregrep-libz or --enable-pcregrep-libbz2 is
675    # specified, the relevant library is available.
676    
677    if test "$enable_pcregrep_libz" = "yes"; then
678      if test "$HAVE_ZLIB_H" != "1"; then
679        echo "** Cannot --enable-pcregrep-libz because zlib.h was not found"
680        exit 1
681      fi
682      if test "$HAVE_LIBZ" != "1"; then
683        echo "** Cannot --enable-pcregrep-libz because libz was not found"
684        exit 1
685      fi
686      LIBZ="-lz"
687    fi
688    AC_SUBST(LIBZ)
689    
690    if test "$enable_pcregrep_libbz2" = "yes"; then
691      if test "$HAVE_BZLIB_H" != "1"; then
692        echo "** Cannot --enable-pcregrep-libbz2 because bzlib.h was not found"
693        exit 1
694      fi
695      if test "$HAVE_LIBBZ2" != "1"; then
696        echo "** Cannot --enable-pcregrep-libbz2 because libbz2 was not found"
697        exit 1
698      fi
699      LIBBZ2="-lbz2"
700    fi
701    AC_SUBST(LIBBZ2)
702    
703    # Similarly for --enable-pcretest-readline
704    
705    if test "$enable_pcretest_libreadline" = "yes"; then
706      if test "$HAVE_READLINE_H" != "1"; then
707        echo "** Cannot --enable-pcretest-readline because readline/readline.h was not found."
708        exit 1
709      fi
710      if test "$HAVE_HISTORY_H" != "1"; then
711        echo "** Cannot --enable-pcretest-readline because readline/history.h was not found."
712        exit 1
713      fi
714      LIBREADLINE="-lreadline"
715    fi
716    AC_SUBST(LIBREADLINE)
717    
718  # Produce these files, in addition to config.h.  # Produce these files, in addition to config.h.
719  AC_CONFIG_FILES(  AC_CONFIG_FILES(
720          Makefile          Makefile
721          libpcre.pc          libpcre.pc
722            libpcreposix.pc
723          libpcrecpp.pc          libpcrecpp.pc
724          pcre-config          pcre-config
725          pcre.h          pcre.h
# Line 446  AC_OUTPUT Line 738  AC_OUTPUT
738    
739  # Print out a nice little message after configure is run displaying your  # Print out a nice little message after configure is run displaying your
740  # chosen options.  # chosen options.
741  #  
742  cat <<EOF  cat <<EOF
743    
744  $PACKAGE-$VERSION configuration summary:  $PACKAGE-$VERSION configuration summary:
745    
746      Install prefix ......... : ${prefix}      Install prefix .................. : ${prefix}
747      C preprocessor ......... : ${CPP}      C preprocessor .................. : ${CPP}
748      C compiler ............. : ${CC}      C compiler ...................... : ${CC}
749      C++ preprocessor ....... : ${CXXCPP}      C++ preprocessor ................ : ${CXXCPP}
750      C++ compiler ........... : ${CXX}      C++ compiler .................... : ${CXX}
751      Linker ................. : ${LD}      Linker .......................... : ${LD}
752      C preprocessor flags ... : ${CPPFLAGS}      C preprocessor flags ............ : ${CPPFLAGS}
753      C compiler flags ....... : ${CFLAGS}      C compiler flags ................ : ${CFLAGS}
754      C++ compiler flags ..... : ${CXXFLAGS}      C++ compiler flags .............. : ${CXXFLAGS}
755      Linker flags ........... : ${LDFLAGS}      Linker flags .................... : ${LDFLAGS}
756      Extra libraries ........ : ${LIBS}      Extra libraries ................. : ${LIBS}
757    
758      Build C++ library ...... : ${enable_cpp}      Build C++ library ............... : ${enable_cpp}
759      Enable UTF-8 support ... : ${enable_utf8}      Enable JIT compiling support .... : ${enable_jit}
760      Unicode properties ..... : ${enable_unicode_properties}      Enable UTF-8 support ............ : ${enable_utf8}
761      Newline char/sequence .. : ${enable_newline}      Unicode properties .............. : ${enable_unicode_properties}
762      EBCDIC coding .......... : ${enable_ebcdic}      Newline char/sequence ........... : ${enable_newline}
763      Rebuild char tables .... : ${enable_rebuild_chartables}      \R matches only ANYCRLF ......... : ${enable_bsr_anycrlf}
764      Use stack recursion .... : ${enable_stack_for_recursion}      EBCDIC coding ................... : ${enable_ebcdic}
765      POSIX mem threshold .... : ${with_posix_malloc_threshold}      Rebuild char tables ............. : ${enable_rebuild_chartables}
766      Internal link size ..... : ${with_link_size}      Use stack recursion ............. : ${enable_stack_for_recursion}
767      Match limit ............ : ${with_match_limit}      POSIX mem threshold ............. : ${with_posix_malloc_threshold}
768      Match limit recursion .. : ${with_match_limit_recursion}      Internal link size .............. : ${with_link_size}
769      Build shared libs ...... : ${enable_shared}      Match limit ..................... : ${with_match_limit}
770      Build static libs ...... : ${enable_static}      Match limit recursion ........... : ${with_match_limit_recursion}
771        Build shared libs ............... : ${enable_shared}
772        Build static libs ............... : ${enable_static}
773        Use JIT in pcregrep ............. : ${enable_pcregrep_jit}
774        Buffer size for pcregrep ........ : ${with_pcregrep_bufsize}
775        Link pcregrep with libz ......... : ${enable_pcregrep_libz}
776        Link pcregrep with libbz2 ....... : ${enable_pcregrep_libbz2}
777        Link pcretest with libreadline .. : ${enable_pcretest_libreadline}
778    
779  EOF  EOF
780    

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