/[pcre]/code/trunk/configure.ac
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revision 126 by ph10, Mon Mar 19 10:20:14 2007 UTC revision 367 by ph10, Sun Aug 24 11:25:07 2008 UTC
# Line 7  dnl be defined as -RC2, for example. For Line 7  dnl be defined as -RC2, for example. For
7  dnl empty.  dnl empty.
8    
9  m4_define(pcre_major, [7])  m4_define(pcre_major, [7])
10  m4_define(pcre_minor, [1])  m4_define(pcre_minor, [8])
11  m4_define(pcre_prerelease, [-RC2])  m4_define(pcre_prerelease, [-RC1])
12  m4_define(pcre_date, [2007-03-19])  m4_define(pcre_date, [2008-08-25])
13    
14  # Libtool shared library interface versions (current:revision:age)  # Libtool shared library interface versions (current:revision:age)
15  m4_define(libpcre_version, [0:1:0])  m4_define(libpcre_version, [0:1:0])
# Line 21  AC_INIT(PCRE, pcre_major.pcre_minor[]pcr Line 21  AC_INIT(PCRE, pcre_major.pcre_minor[]pcr
21  AC_CONFIG_SRCDIR([pcre.h.in])  AC_CONFIG_SRCDIR([pcre.h.in])
22  AM_INIT_AUTOMAKE([dist-bzip2 dist-zip])  AM_INIT_AUTOMAKE([dist-bzip2 dist-zip])
23  AC_CONFIG_HEADERS(config.h)  AC_CONFIG_HEADERS(config.h)
24    
25    # The default CFLAGS and CXXFLAGS in Autoconf are "-g -O2" for gcc and just
26    # "-g" for any other compiler. There doesn't seem to be a standard way of
27    # getting rid of the -g (which I don't think is needed for a production
28    # library). This fudge seems to achieve the necessary. First, we remember the
29    # externally set values of CFLAGS and CXXFLAGS. Then call the AC_PROG_CC and
30    # AC_PROG_CXX macros to find the compilers - if CFLAGS and CXXFLAGS are not
31    # set, they will be set to Autoconf's defaults. Afterwards, if the original
32    # values were not set, remove the -g from the Autoconf defaults.
33    # (PH 02-May-07)
34    
35    remember_set_CFLAGS="$CFLAGS"
36    remember_set_CXXFLAGS="$CXXFLAGS"
37    
38  AC_PROG_CC  AC_PROG_CC
39  AC_PROG_CXX  AC_PROG_CXX
40    
41    if test "x$remember_set_CFLAGS" = "x"
42    then
43      if test "$CFLAGS" = "-g -O2"
44      then
45        CFLAGS="-O2"
46      elif test "$CFLAGS" = "-g"
47      then
48        CFLAGS=""
49      fi
50    fi
51    
52    if test "x$remember_set_CXXFLAGS" = "x"
53    then
54      if test "$CXXFLAGS" = "-g -O2"
55      then
56        CXXFLAGS="-O2"
57      elif test "$CXXFLAGS" = "-g"
58      then
59        CXXFLAGS=""
60      fi
61    fi
62    
63    # AC_PROG_CXX will return "g++" even if no c++ compiler is installed.
64    # Check for that case, and just disable c++ code if g++ doesn't run.
65    AC_LANG_PUSH(C++)
66    AC_COMPILE_IFELSE(AC_LANG_PROGRAM([],[]),, CXX=""; CXXCP=""; CXXFLAGS="")
67    AC_LANG_POP
68    
69  AC_PROG_INSTALL  AC_PROG_INSTALL
70  AC_LIBTOOL_WIN32_DLL  AC_LIBTOOL_WIN32_DLL
71  AC_PROG_LIBTOOL  AC_PROG_LIBTOOL
72    AC_PROG_LN_S
73    
74  PCRE_MAJOR="pcre_major"  PCRE_MAJOR="pcre_major"
75  PCRE_MINOR="pcre_minor"  PCRE_MINOR="pcre_minor"
# Line 49  AC_ARG_ENABLE(cpp, Line 93  AC_ARG_ENABLE(cpp,
93                               [disable C++ support]),                               [disable C++ support]),
94                , enable_cpp=yes)                , enable_cpp=yes)
95    
96    # Handle --enable-rebuild-chartables
97    AC_ARG_ENABLE(rebuild-chartables,
98                  AS_HELP_STRING([--enable-rebuild-chartables],
99                                 [rebuild character tables in current locale]),
100                  , enable_rebuild_chartables=no)
101    
102  # Handle --enable-utf8 (disabled by default)  # Handle --enable-utf8 (disabled by default)
103  AC_ARG_ENABLE(utf8,  AC_ARG_ENABLE(utf8,
104                AS_HELP_STRING([--enable-utf8],                AS_HELP_STRING([--enable-utf8],
# Line 64  AC_ARG_ENABLE(unicode-properties, Line 114  AC_ARG_ENABLE(unicode-properties,
114  # Handle --enable-newline=NL  # Handle --enable-newline=NL
115  dnl AC_ARG_ENABLE(newline,  dnl AC_ARG_ENABLE(newline,
116  dnl               AS_HELP_STRING([--enable-newline=NL],  dnl               AS_HELP_STRING([--enable-newline=NL],
117  dnl                              [use NL as newline (lf, cr, crlf, any; default=lf)]),  dnl                              [use NL as newline (lf, cr, crlf, anycrlf, any; default=lf)]),
118  dnl               , enable_newline=lf)  dnl               , enable_newline=lf)
119    
120  # Separate newline options  # Separate newline options
# Line 81  AC_ARG_ENABLE(newline-is-crlf, Line 131  AC_ARG_ENABLE(newline-is-crlf,
131                AS_HELP_STRING([--enable-newline-is-crlf],                AS_HELP_STRING([--enable-newline-is-crlf],
132                               [use CRLF as newline sequence]),                               [use CRLF as newline sequence]),
133                ac_pcre_newline=crlf)                ac_pcre_newline=crlf)
134    AC_ARG_ENABLE(newline-is-anycrlf,
135                  AS_HELP_STRING([--enable-newline-is-anycrlf],
136                                 [use CR, LF, or CRLF as newline sequence]),
137                  ac_pcre_newline=anycrlf)
138  AC_ARG_ENABLE(newline-is-any,  AC_ARG_ENABLE(newline-is-any,
139                AS_HELP_STRING([--enable-newline-is-any],                AS_HELP_STRING([--enable-newline-is-any],
140                               [use any valid Unicode newline sequence]),                               [use any valid Unicode newline sequence]),
141                ac_pcre_newline=any)                ac_pcre_newline=any)
142  enable_newline="$ac_pcre_newline"  enable_newline="$ac_pcre_newline"
143    
144    # Handle --enable-bsr-anycrlf
145    AC_ARG_ENABLE(bsr-anycrlf,
146                  AS_HELP_STRING([--enable-bsr-anycrlf],
147                                 [\R matches only CR, LF, CRLF by default]),
148                  , enable_bsr_anycrlf=no)
149    
150  # Handle --enable-ebcdic  # Handle --enable-ebcdic
151  AC_ARG_ENABLE(ebcdic,  AC_ARG_ENABLE(ebcdic,
152                AS_HELP_STRING([--enable-ebcdic],                AS_HELP_STRING([--enable-ebcdic],
153                               [assume EBCDIC coding rather than ASCII]),                               [assume EBCDIC coding rather than ASCII; use this only in (uncommon) EBCDIC environments; it implies --enable-rebuild-chartables]),
154                , enable_ebcdic=no)                , enable_ebcdic=no)
155    
156  # Handle --disable-stack-for-recursion  # Handle --disable-stack-for-recursion
# Line 99  AC_ARG_ENABLE(stack-for-recursion, Line 159  AC_ARG_ENABLE(stack-for-recursion,
159                               [don't use stack recursion when matching]),                               [don't use stack recursion when matching]),
160                , enable_stack_for_recursion=yes)                , enable_stack_for_recursion=yes)
161    
162    # Handle --enable-pcregrep-libz
163    AC_ARG_ENABLE(pcregrep-libz,
164                  AS_HELP_STRING([--enable-pcregrep-libz],
165                                 [link pcregrep with libz to handle .gz files]),
166                  , enable_pcregrep_libz=no)
167    
168    # Handle --enable-pcregrep-libbz2
169    AC_ARG_ENABLE(pcregrep-libbz2,
170                  AS_HELP_STRING([--enable-pcregrep-libbz2],
171                                 [link pcregrep with libbz2 to handle .bz2 files]),
172                  , enable_pcregrep_libbz2=no)
173    
174    # Handle --enable-pcretest-libreadline
175    AC_ARG_ENABLE(pcretest-libreadline,
176                  AS_HELP_STRING([--enable-pcretest-libreadline],
177                                 [link pcretest with libreadline]),
178                  , enable_pcretest_libreadline=no)
179    
180  # Handle --with-posix-malloc-threshold=NBYTES  # Handle --with-posix-malloc-threshold=NBYTES
181  AC_ARG_WITH(posix-malloc-threshold,  AC_ARG_WITH(posix-malloc-threshold,
182              AS_HELP_STRING([--with-posix-malloc-threshold=NBYTES],              AS_HELP_STRING([--with-posix-malloc-threshold=NBYTES],
# Line 147  then Line 225  then
225    enable_utf8=no    enable_utf8=no
226  fi  fi
227    
228    # Make sure that if enable_ebcdic is set, rebuild_chartables is also enabled.
229    #
230    if test "x$enable_ebcdic" = "xyes"
231    then
232      enable_rebuild_chartables=yes
233    fi
234    
235  # Convert the newline identifier into the appropriate integer value.  # Convert the newline identifier into the appropriate integer value.
236  case "$enable_newline" in  case "$enable_newline" in
237    lf)   ac_pcre_newline_value=10   ;;    lf)      ac_pcre_newline_value=10   ;;
238    cr)   ac_pcre_newline_value=13   ;;    cr)      ac_pcre_newline_value=13   ;;
239    crlf) ac_pcre_newline_value=3338 ;;    crlf)    ac_pcre_newline_value=3338 ;;
240    any)  ac_pcre_newline_value=-1   ;;    anycrlf) ac_pcre_newline_value=-2   ;;
241      any)     ac_pcre_newline_value=-1   ;;
242    *)    *)
243    AC_MSG_ERROR([invalid argument \"$enable_newline\" to --enable-newline option])    AC_MSG_ERROR([invalid argument \"$enable_newline\" to --enable-newline option])
244    ;;    ;;
# Line 174  it to run on SunOS4 and other "close to Line 260  it to run on SunOS4 and other "close to
260    
261  If you are going to build PCRE "by hand" on a system without "configure" you  If you are going to build PCRE "by hand" on a system without "configure" you
262  should copy the distributed config.h.generic to config.h, and then set up the  should copy the distributed config.h.generic to config.h, and then set up the
263  macros the way you need them. Alternatively, you can avoid editing by using -D  macro definitions the way you need them. You must then add -DHAVE_CONFIG_H to
264  on the compiler command line to set the macro values.  all of your compile commands, so that config.h is included at the start of
265    every source.
266    
267    Alternatively, you can avoid editing by using -D on the compiler command line
268    to set the macro values. In this case, you do not have to set -DHAVE_CONFIG_H.
269    
270  PCRE uses memmove() if HAVE_MEMMOVE is set to 1; otherwise it uses bcopy() if  PCRE uses memmove() if HAVE_MEMMOVE is set to 1; otherwise it uses bcopy() if
271  HAVE_BCOPY is set to 1. If your system has neither bcopy() nor memmove(), set  HAVE_BCOPY is set to 1. If your system has neither bcopy() nor memmove(), set
# Line 192  if test "x$enable_cpp" = "xyes" -a -n "$ Line 282  if test "x$enable_cpp" = "xyes" -a -n "$
282  then  then
283  AC_LANG_PUSH(C++)  AC_LANG_PUSH(C++)
284    
285    # Older versions of pcre defined pcrecpp::no_arg, but in new versions
286    # it's called pcrecpp::RE::no_arg.  For backwards ABI compatibility,
287    # we want to make one an alias for the other.  Different systems do
288    # this in different ways.  Some systems, for instance, can do it via
289    # a linker flag: -alias (for os x 10.5) or -i (for os x <=10.4).
290    OLD_LDFLAGS="$LDFLAGS"
291    for flag in "-alias,__ZN7pcrecpp2RE6no_argE,__ZN7pcrecpp6no_argE" \
292                "-i__ZN7pcrecpp6no_argE:__ZN7pcrecpp2RE6no_argE"; do
293      AC_MSG_CHECKING([for alias support in the linker])
294      LDFLAGS="$OLD_LDFLAGS -Wl,$flag"
295      # We try to run the linker with this new ld flag.  If the link fails,
296      # we give up and remove the new flag from LDFLAGS.
297      AC_LINK_IFELSE(AC_LANG_PROGRAM([namespace pcrecpp {
298                                        class RE { static int no_arg; };
299                                        int RE::no_arg;
300                                      }],
301                                     []),
302                     [AC_MSG_RESULT([yes]);
303                      EXTRA_LIBPCRECPP_LDFLAGS="$EXTRA_LIBPCRECPP_LDFLAGS -Wl,$flag";
304                      break;],
305                     AC_MSG_RESULT([no]))
306    done
307    LDFLAGS="$OLD_LDFLAGS"
308    
309  # 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
310  # (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
311  # 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.
312  AC_CHECK_HEADERS(string, [pcre_have_cpp_headers="1"],  AC_CHECK_HEADERS(string, [pcre_have_cpp_headers="1"],
313                           [pcre_have_cpp_headers="0"])                           [pcre_have_cpp_headers="0"])
# Line 201  AC_CHECK_HEADERS(bits/type_traits.h, [pc Line 315  AC_CHECK_HEADERS(bits/type_traits.h, [pc
315                                       [pcre_have_bits_type_traits="0"])                                       [pcre_have_bits_type_traits="0"])
316  AC_CHECK_HEADERS(type_traits.h, [pcre_have_type_traits="1"],  AC_CHECK_HEADERS(type_traits.h, [pcre_have_type_traits="1"],
317                                  [pcre_have_type_traits="0"])                                  [pcre_have_type_traits="0"])
318    
319  AC_LANG_POP  AC_LANG_POP
320  fi  fi
321  # 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 209  AC_SUBST(pcre_have_bits_type_traits) Line 324  AC_SUBST(pcre_have_bits_type_traits)
324    
325  # Conditional compilation  # Conditional compilation
326  AM_CONDITIONAL(WITH_PCRE_CPP, test "x$enable_cpp" = "xyes")  AM_CONDITIONAL(WITH_PCRE_CPP, test "x$enable_cpp" = "xyes")
327    AM_CONDITIONAL(WITH_REBUILD_CHARTABLES, test "x$enable_rebuild_chartables" = "xyes")
328    
329  # Checks for typedefs, structures, and compiler characteristics.  # Checks for typedefs, structures, and compiler characteristics.
330    
331  AC_C_CONST  AC_C_CONST
332  AC_TYPE_SIZE_T  AC_TYPE_SIZE_T
333    
334  AC_CHECK_TYPES([long long],  pcre_have_strotolonglong=0
335                 [pcre_have_long_long="1"],  AC_CHECK_FUNCS(strtoq strtoll _strtoi64, [pcre_have_strotolonglong="1"; break])
336                 [pcre_have_long_long="0"])  # If we can't convert a string to a long long, pretend we don't even
337  AC_CHECK_TYPES([unsigned long long],  # have a long long.
338                 [pcre_have_ulong_long="1"],  if test $pcre_have_strotolonglong = "0"; then
339                 [pcre_have_ulong_long="0"])     pcre_have_long_long="0"
340       pcre_have_ulong_long="0"
341    else
342      AC_CHECK_TYPES([long long],
343                     [pcre_have_long_long="1"],
344                     [pcre_have_long_long="0"])
345      AC_CHECK_TYPES([unsigned long long],
346                     [pcre_have_ulong_long="1"],
347                     [pcre_have_ulong_long="0"])
348    fi
349  AC_SUBST(pcre_have_long_long)  AC_SUBST(pcre_have_long_long)
350  AC_SUBST(pcre_have_ulong_long)  AC_SUBST(pcre_have_ulong_long)
351    
352  # Checks for library functions.  # Checks for library functions.
353    
354  AC_CHECK_FUNCS(bcopy memmove strerror strtoq strtoll)  AC_CHECK_FUNCS(bcopy memmove strerror)
355    
356    # Check for the availability of libz (aka zlib)
357    
358    AC_CHECK_HEADERS([zlib.h], [HAVE_ZLIB_H=1])
359    AC_CHECK_LIB([z], [gzopen], [HAVE_LIBZ=1])
360    
361    # Check for the availability of libbz2
362    
363    AC_CHECK_HEADERS([bzlib.h], [HAVE_BZLIB_H=1])
364    AC_CHECK_LIB([bz2], [BZ2_bzopen], [HAVE_LIBBZ2=1])
365    
366    # Check for the availabiity of libreadline
367    
368    AC_CHECK_HEADERS([readline/readline.h], [HAVE_READLINE_H=1])
369    AC_CHECK_HEADERS([readline/history.h], [HAVE_HISTORY_H=1])
370    AC_CHECK_LIB([readline], [readline], [HAVE_LIB_READLINE=1])
371    
372  # This facilitates -ansi builds under Linux  # This facilitates -ansi builds under Linux
373  dnl AC_DEFINE([_GNU_SOURCE], [], [Enable GNU extensions in glibc])  dnl AC_DEFINE([_GNU_SOURCE], [], [Enable GNU extensions in glibc])
# Line 251  fi Line 392  fi
392  if test "$enable_stack_for_recursion" = "no"; then  if test "$enable_stack_for_recursion" = "no"; then
393    AC_DEFINE([NO_RECURSE], [], [    AC_DEFINE([NO_RECURSE], [], [
394      PCRE uses recursive function calls to handle backtracking while      PCRE uses recursive function calls to handle backtracking while
395      matching.  This can sometimes be a problem on systems that have      matching. This can sometimes be a problem on systems that have
396      stacks of limited size. Define NO_RECURSE to get a version that      stacks of limited size. Define NO_RECURSE to get a version that
397      doesn't use recursion in the match() function; instead it creates      doesn't use recursion in the match() function; instead it creates
398      its own stack by steam using pcre_recurse_malloc() to obtain memory      its own stack by steam using pcre_recurse_malloc() to obtain memory
# Line 261  if test "$enable_stack_for_recursion" = Line 402  if test "$enable_stack_for_recursion" =
402      (use --disable-stack-for-recursion).])      (use --disable-stack-for-recursion).])
403  fi  fi
404    
405    if test "$enable_pcregrep_libz" = "yes"; then
406      AC_DEFINE([SUPPORT_LIBZ], [], [
407        Define to allow pcregrep to be linked with libz, so that it is
408        able to handle .gz files.])
409    fi
410    
411    if test "$enable_pcregrep_libbz2" = "yes"; then
412      AC_DEFINE([SUPPORT_LIBBZ2], [], [
413        Define to allow pcregrep to be linked with libbz2, so that it is
414        able to handle .bz2 files.])
415    fi
416    
417    if test "$enable_pcretest_libreadline" = "yes"; then
418      AC_DEFINE([SUPPORT_LIBREADLINE], [], [
419        Define to allow pcretest to be linked with libreadline.])
420    fi
421    
422  AC_DEFINE_UNQUOTED([NEWLINE], [$ac_pcre_newline_value], [  AC_DEFINE_UNQUOTED([NEWLINE], [$ac_pcre_newline_value], [
423    The value of NEWLINE determines the newline character sequence. On    The value of NEWLINE determines the newline character sequence. On
424    Unix-like systems, "configure" can be used to override the default,    systems that support it, "configure" can be used to override the
425    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),
426    or -1 (ANY).])    3338 (CRLF), -1 (ANY), or -2 (ANYCRLF).])
427    
428    if test "$enable_bsr_anycrlf" = "yes"; then
429      AC_DEFINE([BSR_ANYCRLF], [], [
430        By default, the \R escape sequence matches any Unicode line ending
431        character or sequence of characters. If BSR_ANYCRLF is defined, this is
432        changed so that backslash-R matches only CR, LF, or CRLF. The build-
433        time default can be overridden by the user of PCRE at runtime. On
434        systems that support it, "configure" can be used to override the
435        default.])
436    fi
437    
438  AC_DEFINE_UNQUOTED([LINK_SIZE], [$with_link_size], [  AC_DEFINE_UNQUOTED([LINK_SIZE], [$with_link_size], [
439    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 318  AC_DEFINE([MAX_NAME_COUNT], [10000], [ Line 486  AC_DEFINE([MAX_NAME_COUNT], [10000], [
486    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
487    against integer overflow caused by enormously large patterns.])    against integer overflow caused by enormously large patterns.])
488    
489  AC_DEFINE([MAX_DUPLENGTH], [30000], [  AH_VERBATIM([PCRE_EXP_DEFN], [
   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.])  
   
 AH_VERBATIM([PCRE_DATA_SCOPE], [  
490  /* 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
491     Win32, and it needs some magic to be inserted before the definition     Win32, and it needs some magic to be inserted before the definition
492     of a function that is exported by the library, define this macro to     of a function that is exported by the library, define this macro to
# Line 333  AH_VERBATIM([PCRE_DATA_SCOPE], [ Line 496  AH_VERBATIM([PCRE_DATA_SCOPE], [
496     every exported function that is part of the external API. It does     every exported function that is part of the external API. It does
497     not appear on functions that are "external" in the C sense, but     not appear on functions that are "external" in the C sense, but
498     which are internal to the library. */     which are internal to the library. */
499  #undef PCRE_DATA_SCOPE])  #undef PCRE_EXP_DEFN])
500    
501  if test "$enable_ebcdic" = "yes"; then  if test "$enable_ebcdic" = "yes"; then
502    AC_DEFINE_UNQUOTED([EBCDIC], [], [    AC_DEFINE_UNQUOTED([EBCDIC], [], [
# Line 357  esac Line 520  esac
520  # The extra LDFLAGS for each particular library  # The extra LDFLAGS for each particular library
521  # (Note: The libpcre*_version bits are m4 variables, assigned above)  # (Note: The libpcre*_version bits are m4 variables, assigned above)
522    
523  EXTRA_LIBPCRE_LDFLAGS="$NO_UNDEFINED -version-info libpcre_version"  EXTRA_LIBPCRE_LDFLAGS="$EXTRA_LIBPCRE_LDFLAGS \
524                           $NO_UNDEFINED -version-info libpcre_version"
525    
526  EXTRA_LIBPCREPOSIX_LDFLAGS="$NO_UNDEFINED -version-info libpcreposix_version"  EXTRA_LIBPCREPOSIX_LDFLAGS="$EXTRA_LIBPCREPOSIX_LDFLAGS \
527                                $NO_UNDEFINED -version-info libpcreposix_version"
528    
529  EXTRA_LIBPCRECPP_LDFLAGS="$NO_UNDEFINED $EXPORT_ALL_SYMBOLS -version-info libpcrecpp_version"  EXTRA_LIBPCRECPP_LDFLAGS="$EXTRA_LIBPCRECPP_LDFLAGS \
530                              $NO_UNDEFINED -version-info libpcrecpp_version \
531                              $EXPORT_ALL_SYMBOLS"
532    
533  AC_SUBST(EXTRA_LIBPCRE_LDFLAGS)  AC_SUBST(EXTRA_LIBPCRE_LDFLAGS)
534  AC_SUBST(EXTRA_LIBPCREPOSIX_LDFLAGS)  AC_SUBST(EXTRA_LIBPCREPOSIX_LDFLAGS)
# Line 371  AC_SUBST(EXTRA_LIBPCRECPP_LDFLAGS) Line 538  AC_SUBST(EXTRA_LIBPCRECPP_LDFLAGS)
538  DISTCHECK_CONFIGURE_FLAGS="--enable-cpp --enable-unicode-properties"  DISTCHECK_CONFIGURE_FLAGS="--enable-cpp --enable-unicode-properties"
539  AC_SUBST(DISTCHECK_CONFIGURE_FLAGS)  AC_SUBST(DISTCHECK_CONFIGURE_FLAGS)
540    
541    # Check that, if --enable-pcregrep-libz or --enable-pcregrep-libbz2 is
542    # specified, the relevant library is available. If so, add it to LIBS.
543    
544    if test "$enable_pcregrep_libz" = "yes"; then
545      if test "$HAVE_ZLIB_H" != "1"; then
546        echo "** Cannot --enable-pcregrep-libz because zlib.h was not found"
547        exit 1
548      fi
549      if test "$HAVE_LIBZ" != "1"; then
550        echo "** Cannot --enable-pcregrep-libz because libz was not found"
551        exit 1
552      fi
553      if test "$LIBS" = ""; then LIBS=-lz; else LIBS="$LIBS -lz"; fi
554    fi
555    
556    if test "$enable_pcregrep_libbz2" = "yes"; then
557      if test "$HAVE_BZLIB_H" != "1"; then
558        echo "** Cannot --enable-pcregrep-libbz2 because bzlib.h was not found"
559        exit 1
560      fi
561      if test "$HAVE_LIBBZ2" != "1"; then
562        echo "** Cannot --enable-pcregrep-libbz2 because libbz2 was not found"
563        exit 1
564      fi
565      if test "$LIBS" = ""; then LIBS=-lbz2; else LIBS="$LIBS -lbz2"; fi
566    fi
567    
568    # Similarly for --enable-pcretest-readline
569    
570    if test "$enable_pcretest_libreadline" = "yes"; then
571      if test "$HAVE_READLINE_H" != "1"; then
572        echo "** Cannot --enable-pcretest-readline because readline/readline.h was not found."
573        exit 1
574      fi
575      if test "$HAVE_HISTORY_H" != "1"; then
576        echo "** Cannot --enable-pcretest-readline because readline/history.h was not found."
577        exit 1
578      fi
579      if test "$LIBS" = ""; then LIBS=-lreadline; else LIBS="$LIBS -lreadline"; fi
580    fi
581    
582  # Produce these files, in addition to config.h.  # Produce these files, in addition to config.h.
583  AC_CONFIG_FILES(  AC_CONFIG_FILES(
584          Makefile          Makefile
         RunGrepTest  
         RunTest  
585          libpcre.pc          libpcre.pc
586          libpcrecpp.pc          libpcrecpp.pc
587          pcre-config          pcre-config
# Line 385  AC_CONFIG_FILES( Line 591  AC_CONFIG_FILES(
591  )  )
592    
593  # Make the generated script files executable.  # Make the generated script files executable.
594  AC_CONFIG_COMMANDS([script-chmod], [chmod a+x RunTest RunGrepTest pcre-config])  AC_CONFIG_COMMANDS([script-chmod], [chmod a+x pcre-config])
595    
596    # Make sure that pcre_chartables.c is removed in case the method for
597    # creating it was changed by reconfiguration.
598    AC_CONFIG_COMMANDS([delete-old-chartables], [rm -f pcre_chartables.c])
599    
600  AC_OUTPUT  AC_OUTPUT
601    
602  # Print out a nice little message after configure is run displaying your  # Print out a nice little message after configure is run displaying your
603  # chosen options.  # chosen options.
604  #  
605  cat <<EOF  cat <<EOF
606    
607  $PACKAGE-$VERSION configuration summary:  $PACKAGE-$VERSION configuration summary:
608    
609      Install prefix ......... : ${prefix}      Install prefix .................. : ${prefix}
610      C preprocessor ......... : ${CPP}      C preprocessor .................. : ${CPP}
611      C compiler ............. : ${CC}      C compiler ...................... : ${CC}
612      C++ preprocessor ....... : ${CXXCPP}      C++ preprocessor ................ : ${CXXCPP}
613      C++ compiler ........... : ${CXX}      C++ compiler .................... : ${CXX}
614      Linker ................. : ${LD}      Linker .......................... : ${LD}
615      C preprocessor flags ... : ${CPPFLAGS}      C preprocessor flags ............ : ${CPPFLAGS}
616      C compiler flags ....... : ${CFLAGS}      C compiler flags ................ : ${CFLAGS}
617      C++ compiler flags ..... : ${CXXFLAGS}      C++ compiler flags .............. : ${CXXFLAGS}
618      Linker flags ........... : ${LDFLAGS}      Linker flags .................... : ${LDFLAGS}
619      Extra libraries ........ : ${LIBS}      Extra libraries ................. : ${LIBS}
620    
621      Build C++ library ...... : ${enable_cpp}      Build C++ library ............... : ${enable_cpp}
622      Enable UTF-8 support ... : ${enable_utf8}      Enable UTF-8 support ............ : ${enable_utf8}
623      Unicode properties ..... : ${enable_unicode_properties}      Unicode properties .............. : ${enable_unicode_properties}
624      Newline char/sequence .. : ${enable_newline}      Newline char/sequence ........... : ${enable_newline}
625      EBCDIC coding .......... : ${enable_ebcdic}      \R matches only ANYCRLF ......... : ${enable_bsr_anycrlf}
626      Use stack recursion .... : ${enable_stack_for_recursion}      EBCDIC coding ................... : ${enable_ebcdic}
627      POSIX mem threshold .... : ${with_posix_malloc_threshold}      Rebuild char tables ............. : ${enable_rebuild_chartables}
628      Internal link size ..... : ${with_link_size}      Use stack recursion ............. : ${enable_stack_for_recursion}
629      Match limit ............ : ${with_match_limit}      POSIX mem threshold ............. : ${with_posix_malloc_threshold}
630      Match limit recursion .. : ${with_match_limit_recursion}      Internal link size .............. : ${with_link_size}
631      Build shared libs ...... : ${enable_shared}      Match limit ..................... : ${with_match_limit}
632      Build static libs ...... : ${enable_static}      Match limit recursion ........... : ${with_match_limit_recursion}
633        Build shared libs ............... : ${enable_shared}
634        Build static libs ............... : ${enable_static}
635        Link pcregrep with libz ......... : ${enable_pcregrep_libz}
636        Link pcregrep with libbz2 ....... : ${enable_pcregrep_libbz2}
637        Link pcretest with libreadline .. : ${enable_pcretest_libreadline}
638    
639  EOF  EOF
640    

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