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revision 166 by ph10, Wed May 9 14:48:28 2007 UTC revision 481 by ph10, Sun Jan 3 17:45:53 2010 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, [2])  
11  m4_define(pcre_prerelease, [-RC2])  m4_define(pcre_major, [8])
12  m4_define(pcre_date, [2007-05-09])  m4_define(pcre_minor, [01])
13    m4_define(pcre_prerelease, [-RC1])
14    m4_define(pcre_date, [2010-01-02])
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
# 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 $PCRE_MINOR must not be used. ***"
91      echo "*** Use only 01 to 07 or 10 onwards, to avoid octal issues. ***"
92      echo "***"
93      exit 1
94    fi
95    
96  AC_SUBST(PCRE_MAJOR)  AC_SUBST(PCRE_MAJOR)
97  AC_SUBST(PCRE_MINOR)  AC_SUBST(PCRE_MINOR)
98  AC_SUBST(PCRE_PRERELEASE)  AC_SUBST(PCRE_PRERELEASE)
# Line 97  AC_ARG_ENABLE(rebuild-chartables, Line 119  AC_ARG_ENABLE(rebuild-chartables,
119  # Handle --enable-utf8 (disabled by default)  # Handle --enable-utf8 (disabled by default)
120  AC_ARG_ENABLE(utf8,  AC_ARG_ENABLE(utf8,
121                AS_HELP_STRING([--enable-utf8],                AS_HELP_STRING([--enable-utf8],
122                               [enable UTF-8 support]),                               [enable UTF-8 support (incompatible with --enable-ebcdic)]),
123                , enable_utf8=unset)                , enable_utf8=unset)
124    
125  # Handle --enable-unicode-properties  # Handle --enable-unicode-properties
# Line 136  AC_ARG_ENABLE(newline-is-any, Line 158  AC_ARG_ENABLE(newline-is-any,
158                ac_pcre_newline=any)                ac_pcre_newline=any)
159  enable_newline="$ac_pcre_newline"  enable_newline="$ac_pcre_newline"
160    
161    # Handle --enable-bsr-anycrlf
162    AC_ARG_ENABLE(bsr-anycrlf,
163                  AS_HELP_STRING([--enable-bsr-anycrlf],
164                                 [\R matches only CR, LF, CRLF by default]),
165                  , enable_bsr_anycrlf=no)
166    
167  # Handle --enable-ebcdic  # Handle --enable-ebcdic
168  AC_ARG_ENABLE(ebcdic,  AC_ARG_ENABLE(ebcdic,
169                AS_HELP_STRING([--enable-ebcdic],                AS_HELP_STRING([--enable-ebcdic],
170                               [assume EBCDIC coding rather than ASCII (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]),
171                , enable_ebcdic=no)                , enable_ebcdic=no)
172    
173  # Handle --disable-stack-for-recursion  # Handle --disable-stack-for-recursion
# Line 148  AC_ARG_ENABLE(stack-for-recursion, Line 176  AC_ARG_ENABLE(stack-for-recursion,
176                               [don't use stack recursion when matching]),                               [don't use stack recursion when matching]),
177                , enable_stack_for_recursion=yes)                , enable_stack_for_recursion=yes)
178    
179    # Handle --enable-pcregrep-libz
180    AC_ARG_ENABLE(pcregrep-libz,
181                  AS_HELP_STRING([--enable-pcregrep-libz],
182                                 [link pcregrep with libz to handle .gz files]),
183                  , enable_pcregrep_libz=no)
184    
185    # Handle --enable-pcregrep-libbz2
186    AC_ARG_ENABLE(pcregrep-libbz2,
187                  AS_HELP_STRING([--enable-pcregrep-libbz2],
188                                 [link pcregrep with libbz2 to handle .bz2 files]),
189                  , enable_pcregrep_libbz2=no)
190    
191    # Handle --enable-pcretest-libreadline
192    AC_ARG_ENABLE(pcretest-libreadline,
193                  AS_HELP_STRING([--enable-pcretest-libreadline],
194                                 [link pcretest with libreadline]),
195                  , enable_pcretest_libreadline=no)
196    
197  # Handle --with-posix-malloc-threshold=NBYTES  # Handle --with-posix-malloc-threshold=NBYTES
198  AC_ARG_WITH(posix-malloc-threshold,  AC_ARG_WITH(posix-malloc-threshold,
199              AS_HELP_STRING([--with-posix-malloc-threshold=NBYTES],              AS_HELP_STRING([--with-posix-malloc-threshold=NBYTES],
# Line 197  then Line 243  then
243  fi  fi
244    
245  # 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.
246    # Also check that UTF-8 support is not requested, because PCRE cannot handle
247    # EBCDIC and UTF-8 in the same build. To do so it would need to use different
248    # character constants depending on the mode.
249  #  #
250  if test "x$enable_ebcdic" = "xyes"  if test "x$enable_ebcdic" = "xyes"
251  then  then
252    enable_rebuild_chartables=yes    enable_rebuild_chartables=yes
253      if test "x$enable_utf8" = "xyes"
254      then
255        AC_MSG_ERROR([support for EBCDIC and UTF-8 cannot be enabled at the same time])
256      fi
257  fi  fi
258    
259  # 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 284  it to run on SunOS4 and other "close to
284    
285  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
286  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
287  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
288  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
289    every source.
290    
291    Alternatively, you can avoid editing by using -D on the compiler command line
292    to set the macro values. In this case, you do not have to set -DHAVE_CONFIG_H.
293    
294  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
295  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 306  if test "x$enable_cpp" = "xyes" -a -n "$
306  then  then
307  AC_LANG_PUSH(C++)  AC_LANG_PUSH(C++)
308    
309    # Older versions of pcre defined pcrecpp::no_arg, but in new versions
310    # it's called pcrecpp::RE::no_arg.  For backwards ABI compatibility,
311    # we want to make one an alias for the other.  Different systems do
312    # this in different ways.  Some systems, for instance, can do it via
313    # a linker flag: -alias (for os x 10.5) or -i (for os x <=10.4).
314    OLD_LDFLAGS="$LDFLAGS"
315    for flag in "-alias,__ZN7pcrecpp2RE6no_argE,__ZN7pcrecpp6no_argE" \
316                "-i__ZN7pcrecpp6no_argE:__ZN7pcrecpp2RE6no_argE"; do
317      AC_MSG_CHECKING([for alias support in the linker])
318      LDFLAGS="$OLD_LDFLAGS -Wl,$flag"
319      # We try to run the linker with this new ld flag.  If the link fails,
320      # we give up and remove the new flag from LDFLAGS.
321      AC_LINK_IFELSE(AC_LANG_PROGRAM([namespace pcrecpp {
322                                        class RE { static int no_arg; };
323                                        int RE::no_arg;
324                                      }],
325                                     []),
326                     [AC_MSG_RESULT([yes]);
327                      EXTRA_LIBPCRECPP_LDFLAGS="$EXTRA_LIBPCRECPP_LDFLAGS -Wl,$flag";
328                      break;],
329                     AC_MSG_RESULT([no]))
330    done
331    LDFLAGS="$OLD_LDFLAGS"
332    
333  # 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
334  # (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
335  # 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 339  AC_CHECK_HEADERS(bits/type_traits.h, [pc
339                                       [pcre_have_bits_type_traits="0"])                                       [pcre_have_bits_type_traits="0"])
340  AC_CHECK_HEADERS(type_traits.h, [pcre_have_type_traits="1"],  AC_CHECK_HEADERS(type_traits.h, [pcre_have_type_traits="1"],
341                                  [pcre_have_type_traits="0"])                                  [pcre_have_type_traits="0"])
342    
343  AC_LANG_POP  AC_LANG_POP
344  fi  fi
345  # 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 273  AM_CONDITIONAL(WITH_REBUILD_CHARTABLES, Line 355  AM_CONDITIONAL(WITH_REBUILD_CHARTABLES,
355  AC_C_CONST  AC_C_CONST
356  AC_TYPE_SIZE_T  AC_TYPE_SIZE_T
357    
358  AC_CHECK_TYPES([long long],  pcre_have_strotolonglong=0
359                 [pcre_have_long_long="1"],  AC_CHECK_FUNCS(strtoq strtoll _strtoi64, [pcre_have_strotolonglong="1"; break])
360                 [pcre_have_long_long="0"])  # If we can't convert a string to a long long, pretend we don't even
361  AC_CHECK_TYPES([unsigned long long],  # have a long long.
362                 [pcre_have_ulong_long="1"],  if test $pcre_have_strotolonglong = "0"; then
363                 [pcre_have_ulong_long="0"])     pcre_have_long_long="0"
364       pcre_have_ulong_long="0"
365    else
366      AC_CHECK_TYPES([long long],
367                     [pcre_have_long_long="1"],
368                     [pcre_have_long_long="0"])
369      AC_CHECK_TYPES([unsigned long long],
370                     [pcre_have_ulong_long="1"],
371                     [pcre_have_ulong_long="0"])
372    fi
373  AC_SUBST(pcre_have_long_long)  AC_SUBST(pcre_have_long_long)
374  AC_SUBST(pcre_have_ulong_long)  AC_SUBST(pcre_have_ulong_long)
375    
376  # Checks for library functions.  # Checks for library functions.
377    
378  AC_CHECK_FUNCS(bcopy memmove strerror strtoq strtoll)  AC_CHECK_FUNCS(bcopy memmove strerror)
379    
380    # Check for the availability of libz (aka zlib)
381    
382    AC_CHECK_HEADERS([zlib.h], [HAVE_ZLIB_H=1])
383    AC_CHECK_LIB([z], [gzopen], [HAVE_LIBZ=1])
384    
385    # Check for the availability of libbz2. Originally we just used AC_CHECK_LIB,
386    # as for libz. However, this had the following problem, diagnosed and fixed by
387    # a user:
388    #
389    #   - libbz2 uses the Pascal calling convention (WINAPI) for the functions
390    #     under Win32.
391    #   - The standard autoconf AC_CHECK_LIB fails to include "bzlib.h",
392    #     therefore missing the function definition.
393    #   - The compiler thus generates a "C" signature for the test function.
394    #   - The linker fails to find the "C" function.
395    #   - PCRE fails to configure if asked to do so against libbz2.
396    #
397    # Solution:
398    #
399    #   - Replace the AC_CHECK_LIB test with a custom test.
400    
401    AC_CHECK_HEADERS([bzlib.h], [HAVE_BZLIB_H=1])
402    # Original test
403    # AC_CHECK_LIB([bz2], [BZ2_bzopen], [HAVE_LIBBZ2=1])
404    #
405    # Custom test follows
406    
407    AC_MSG_CHECKING([for libbz2])
408    OLD_LIBS="$LIBS"
409    LIBS="$LIBS -lbz2"
410    AC_LINK_IFELSE( AC_LANG_PROGRAM([[
411    #ifdef HAVE_BZLIB_H
412    #include <bzlib.h>
413    #endif]],
414    [[return (int)BZ2_bzopen("conftest", "rb");]]),
415    [AC_MSG_RESULT([yes]);HAVE_LIBBZ2=1; break;],
416    AC_MSG_RESULT([no]))
417    LIBS="$OLD_LIBS"
418    
419    # Check for the availabiity of libreadline
420    
421    AC_CHECK_HEADERS([readline/readline.h], [HAVE_READLINE_H=1])
422    AC_CHECK_HEADERS([readline/history.h], [HAVE_HISTORY_H=1])
423    AC_CHECK_LIB([readline], [readline], [HAVE_LIB_READLINE=1])
424    
425  # This facilitates -ansi builds under Linux  # This facilitates -ansi builds under Linux
426  dnl AC_DEFINE([_GNU_SOURCE], [], [Enable GNU extensions in glibc])  dnl AC_DEFINE([_GNU_SOURCE], [], [Enable GNU extensions in glibc])
427    
428    PCRE_STATIC_CFLAG=""
429  if test "x$enable_shared" = "xno" ; then  if test "x$enable_shared" = "xno" ; then
430    AC_DEFINE([PCRE_STATIC], [1], [    AC_DEFINE([PCRE_STATIC], [1], [
431      Define if linking statically (TODO: make nice with Libtool)])      Define if linking statically (TODO: make nice with Libtool)])
432      PCRE_STATIC_CFLAG="-DPCRE_STATIC"
433  fi  fi
434    AC_SUBST(PCRE_STATIC_CFLAG)
435    
436  # Here is where pcre specific defines are handled  # Here is where pcre specific defines are handled
437    
438  if test "$enable_utf8" = "yes"; then  if test "$enable_utf8" = "yes"; then
439    AC_DEFINE([SUPPORT_UTF8], [], [    AC_DEFINE([SUPPORT_UTF8], [], [
440      Define to enable support for the UTF-8 Unicode encoding.])      Define to enable support for the UTF-8 Unicode encoding. This will
441        work even in an EBCDIC environment, but it is incompatible with
442        the EBCDIC macro. That is, PCRE can support *either* EBCDIC code
443        *or* ASCII/UTF-8, but not both at once.])
444  fi  fi
445    
446  if test "$enable_unicode_properties" = "yes"; then  if test "$enable_unicode_properties" = "yes"; then
# Line 319  if test "$enable_stack_for_recursion" = Line 461  if test "$enable_stack_for_recursion" =
461      (use --disable-stack-for-recursion).])      (use --disable-stack-for-recursion).])
462  fi  fi
463    
464    if test "$enable_pcregrep_libz" = "yes"; then
465      AC_DEFINE([SUPPORT_LIBZ], [], [
466        Define to allow pcregrep to be linked with libz, so that it is
467        able to handle .gz files.])
468    fi
469    
470    if test "$enable_pcregrep_libbz2" = "yes"; then
471      AC_DEFINE([SUPPORT_LIBBZ2], [], [
472        Define to allow pcregrep to be linked with libbz2, so that it is
473        able to handle .bz2 files.])
474    fi
475    
476    if test "$enable_pcretest_libreadline" = "yes"; then
477      AC_DEFINE([SUPPORT_LIBREADLINE], [], [
478        Define to allow pcretest to be linked with libreadline.])
479    fi
480    
481  AC_DEFINE_UNQUOTED([NEWLINE], [$ac_pcre_newline_value], [  AC_DEFINE_UNQUOTED([NEWLINE], [$ac_pcre_newline_value], [
482    The value of NEWLINE determines the newline character sequence. On    The value of NEWLINE determines the newline character sequence. On
483    Unix-like systems, "configure" can be used to override the default,    systems that support it, "configure" can be used to override the
484    which is 10. The possible values are 10 (LF), 13 (CR), 3338 (CRLF),    default, which is 10. The possible values are 10 (LF), 13 (CR),
485    -1 (ANY), or -2 (ANYCRLF).])    3338 (CRLF), -1 (ANY), or -2 (ANYCRLF).])
486    
487    if test "$enable_bsr_anycrlf" = "yes"; then
488      AC_DEFINE([BSR_ANYCRLF], [], [
489        By default, the \R escape sequence matches any Unicode line ending
490        character or sequence of characters. If BSR_ANYCRLF is defined, this is
491        changed so that backslash-R matches only CR, LF, or CRLF. The build-
492        time default can be overridden by the user of PCRE at runtime. On
493        systems that support it, "configure" can be used to override the
494        default.])
495    fi
496    
497  AC_DEFINE_UNQUOTED([LINK_SIZE], [$with_link_size], [  AC_DEFINE_UNQUOTED([LINK_SIZE], [$with_link_size], [
498    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 376  AC_DEFINE([MAX_NAME_COUNT], [10000], [ Line 545  AC_DEFINE([MAX_NAME_COUNT], [10000], [
545    change it. Care must be taken if it is increased, because it guards    change it. Care must be taken if it is increased, because it guards
546    against integer overflow caused by enormously large patterns.])    against integer overflow caused by enormously large patterns.])
547    
 AC_DEFINE([MAX_DUPLENGTH], [30000], [  
   This limit is parameterized just in case anybody ever wants to  
   change it. Care must be taken if it is increased, because it guards  
   against integer overflow caused by enormously large patterns.])  
   
548  AH_VERBATIM([PCRE_EXP_DEFN], [  AH_VERBATIM([PCRE_EXP_DEFN], [
549  /* If you are compiling for a system other than a Unix-like system or  /* If you are compiling for a system other than a Unix-like system or
550     Win32, and it needs some magic to be inserted before the definition     Win32, and it needs some magic to be inserted before the definition
# Line 397  if test "$enable_ebcdic" = "yes"; then Line 561  if test "$enable_ebcdic" = "yes"; then
561    AC_DEFINE_UNQUOTED([EBCDIC], [], [    AC_DEFINE_UNQUOTED([EBCDIC], [], [
562      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
563      character codes, define this macro as 1. On systems that can use      character codes, define this macro as 1. On systems that can use
564      "configure", this can be done via --enable-ebcdic.])      "configure", this can be done via --enable-ebcdic. PCRE will then
565        assume that all input strings are in EBCDIC. If you do not define
566        this macro, PCRE will assume input strings are ASCII or UTF-8 Unicode.
567        It is not possible to build a version of PCRE that supports both
568        EBCDIC and UTF-8.])
569  fi  fi
570    
571  # Platform specific issues  # Platform specific issues
# Line 415  esac Line 583  esac
583  # The extra LDFLAGS for each particular library  # The extra LDFLAGS for each particular library
584  # (Note: The libpcre*_version bits are m4 variables, assigned above)  # (Note: The libpcre*_version bits are m4 variables, assigned above)
585    
586  EXTRA_LIBPCRE_LDFLAGS="$NO_UNDEFINED -version-info libpcre_version"  EXTRA_LIBPCRE_LDFLAGS="$EXTRA_LIBPCRE_LDFLAGS \
587                           $NO_UNDEFINED -version-info libpcre_version"
588    
589  EXTRA_LIBPCREPOSIX_LDFLAGS="$NO_UNDEFINED -version-info libpcreposix_version"  EXTRA_LIBPCREPOSIX_LDFLAGS="$EXTRA_LIBPCREPOSIX_LDFLAGS \
590                                $NO_UNDEFINED -version-info libpcreposix_version"
591    
592  EXTRA_LIBPCRECPP_LDFLAGS="$NO_UNDEFINED $EXPORT_ALL_SYMBOLS -version-info libpcrecpp_version"  EXTRA_LIBPCRECPP_LDFLAGS="$EXTRA_LIBPCRECPP_LDFLAGS \
593                              $NO_UNDEFINED -version-info libpcrecpp_version \
594                              $EXPORT_ALL_SYMBOLS"
595    
596  AC_SUBST(EXTRA_LIBPCRE_LDFLAGS)  AC_SUBST(EXTRA_LIBPCRE_LDFLAGS)
597  AC_SUBST(EXTRA_LIBPCREPOSIX_LDFLAGS)  AC_SUBST(EXTRA_LIBPCREPOSIX_LDFLAGS)
# Line 429  AC_SUBST(EXTRA_LIBPCRECPP_LDFLAGS) Line 601  AC_SUBST(EXTRA_LIBPCRECPP_LDFLAGS)
601  DISTCHECK_CONFIGURE_FLAGS="--enable-cpp --enable-unicode-properties"  DISTCHECK_CONFIGURE_FLAGS="--enable-cpp --enable-unicode-properties"
602  AC_SUBST(DISTCHECK_CONFIGURE_FLAGS)  AC_SUBST(DISTCHECK_CONFIGURE_FLAGS)
603    
604    # Check that, if --enable-pcregrep-libz or --enable-pcregrep-libbz2 is
605    # specified, the relevant library is available.
606    
607    if test "$enable_pcregrep_libz" = "yes"; then
608      if test "$HAVE_ZLIB_H" != "1"; then
609        echo "** Cannot --enable-pcregrep-libz because zlib.h was not found"
610        exit 1
611      fi
612      if test "$HAVE_LIBZ" != "1"; then
613        echo "** Cannot --enable-pcregrep-libz because libz was not found"
614        exit 1
615      fi
616      LIBZ="-lz"
617    fi
618    AC_SUBST(LIBZ)
619    
620    if test "$enable_pcregrep_libbz2" = "yes"; then
621      if test "$HAVE_BZLIB_H" != "1"; then
622        echo "** Cannot --enable-pcregrep-libbz2 because bzlib.h was not found"
623        exit 1
624      fi
625      if test "$HAVE_LIBBZ2" != "1"; then
626        echo "** Cannot --enable-pcregrep-libbz2 because libbz2 was not found"
627        exit 1
628      fi
629      LIBBZ2="-lbz2"
630    fi
631    AC_SUBST(LIBBZ2)
632    
633    # Similarly for --enable-pcretest-readline
634    
635    if test "$enable_pcretest_libreadline" = "yes"; then
636      if test "$HAVE_READLINE_H" != "1"; then
637        echo "** Cannot --enable-pcretest-readline because readline/readline.h was not found."
638        exit 1
639      fi
640      if test "$HAVE_HISTORY_H" != "1"; then
641        echo "** Cannot --enable-pcretest-readline because readline/history.h was not found."
642        exit 1
643      fi
644      LIBREADLINE="-lreadline"
645    fi
646    AC_SUBST(LIBREADLINE)
647    
648  # Produce these files, in addition to config.h.  # Produce these files, in addition to config.h.
649  AC_CONFIG_FILES(  AC_CONFIG_FILES(
650          Makefile          Makefile
651          libpcre.pc          libpcre.pc
652            libpcreposix.pc
653          libpcrecpp.pc          libpcrecpp.pc
654          pcre-config          pcre-config
655          pcre.h          pcre.h
# Line 451  AC_OUTPUT Line 668  AC_OUTPUT
668    
669  # Print out a nice little message after configure is run displaying your  # Print out a nice little message after configure is run displaying your
670  # chosen options.  # chosen options.
671  #  
672  cat <<EOF  cat <<EOF
673    
674  $PACKAGE-$VERSION configuration summary:  $PACKAGE-$VERSION configuration summary:
675    
676      Install prefix ......... : ${prefix}      Install prefix .................. : ${prefix}
677      C preprocessor ......... : ${CPP}      C preprocessor .................. : ${CPP}
678      C compiler ............. : ${CC}      C compiler ...................... : ${CC}
679      C++ preprocessor ....... : ${CXXCPP}      C++ preprocessor ................ : ${CXXCPP}
680      C++ compiler ........... : ${CXX}      C++ compiler .................... : ${CXX}
681      Linker ................. : ${LD}      Linker .......................... : ${LD}
682      C preprocessor flags ... : ${CPPFLAGS}      C preprocessor flags ............ : ${CPPFLAGS}
683      C compiler flags ....... : ${CFLAGS}      C compiler flags ................ : ${CFLAGS}
684      C++ compiler flags ..... : ${CXXFLAGS}      C++ compiler flags .............. : ${CXXFLAGS}
685      Linker flags ........... : ${LDFLAGS}      Linker flags .................... : ${LDFLAGS}
686      Extra libraries ........ : ${LIBS}      Extra libraries ................. : ${LIBS}
687    
688      Build C++ library ...... : ${enable_cpp}      Build C++ library ............... : ${enable_cpp}
689      Enable UTF-8 support ... : ${enable_utf8}      Enable UTF-8 support ............ : ${enable_utf8}
690      Unicode properties ..... : ${enable_unicode_properties}      Unicode properties .............. : ${enable_unicode_properties}
691      Newline char/sequence .. : ${enable_newline}      Newline char/sequence ........... : ${enable_newline}
692      EBCDIC coding .......... : ${enable_ebcdic}      \R matches only ANYCRLF ......... : ${enable_bsr_anycrlf}
693      Rebuild char tables .... : ${enable_rebuild_chartables}      EBCDIC coding ................... : ${enable_ebcdic}
694      Use stack recursion .... : ${enable_stack_for_recursion}      Rebuild char tables ............. : ${enable_rebuild_chartables}
695      POSIX mem threshold .... : ${with_posix_malloc_threshold}      Use stack recursion ............. : ${enable_stack_for_recursion}
696      Internal link size ..... : ${with_link_size}      POSIX mem threshold ............. : ${with_posix_malloc_threshold}
697      Match limit ............ : ${with_match_limit}      Internal link size .............. : ${with_link_size}
698      Match limit recursion .. : ${with_match_limit_recursion}      Match limit ..................... : ${with_match_limit}
699      Build shared libs ...... : ${enable_shared}      Match limit recursion ........... : ${with_match_limit_recursion}
700      Build static libs ...... : ${enable_static}      Build shared libs ............... : ${enable_shared}
701        Build static libs ............... : ${enable_static}
702        Link pcregrep with libz ......... : ${enable_pcregrep_libz}
703        Link pcregrep with libbz2 ....... : ${enable_pcregrep_libbz2}
704        Link pcretest with libreadline .. : ${enable_pcretest_libreadline}
705    
706  EOF  EOF
707    

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