1 dnl Process this file with autoconf to produce a configure script.
3 dnl NOTE FOR MAINTAINERS: Do not use major or minor version numbers with
4 dnl leading zeros, because they may be treated as octal constants. The
5 dnl PCRE_PRERELEASE feature is for identifying release candidates. It might
6 dnl be defined as -RC2, for example. For real releases, it should be defined
9 m4_define(pcre_major, [7])
10 m4_define(pcre_minor, [7])
11 m4_define(pcre_prerelease, [])
12 m4_define(pcre_date, [2008-05-07])
14 # Libtool shared library interface versions (current:revision:age)
15 m4_define(libpcre_version, [0:1:0])
16 m4_define(libpcreposix_version, [0:0:0])
17 m4_define(libpcrecpp_version, [0:0:0])
20 AC_INIT(PCRE, pcre_major.pcre_minor[]pcre_prerelease, , pcre)
21 AC_CONFIG_SRCDIR([pcre.h.in])
22 AM_INIT_AUTOMAKE([dist-bzip2 dist-zip])
23 AC_CONFIG_HEADERS(config.h)
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.
35 remember_set_CFLAGS="$CFLAGS"
36 remember_set_CXXFLAGS="$CXXFLAGS"
41 if test "x$remember_set_CFLAGS" = "x"
43 if test "$CFLAGS" = "-g -O2"
46 elif test "$CFLAGS" = "-g"
52 if test "x$remember_set_CXXFLAGS" = "x"
54 if test "$CXXFLAGS" = "-g -O2"
57 elif test "$CXXFLAGS" = "-g"
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.
66 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([],[]),, CXX=""; CXXCP=""; CXXFLAGS="")
74 PCRE_MAJOR="pcre_major"
75 PCRE_MINOR="pcre_minor"
76 PCRE_PRERELEASE="pcre_prerelease"
81 AC_SUBST(PCRE_PRERELEASE)
84 # Set a more sensible default value for $(htmldir).
85 if test "x$htmldir" = 'x${docdir}'
87 htmldir='${docdir}/html'
90 # Handle --disable-cpp
92 AS_HELP_STRING([--disable-cpp],
93 [disable C++ support]),
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)
102 # Handle --enable-utf8 (disabled by default)
104 AS_HELP_STRING([--enable-utf8],
105 [enable UTF-8 support]),
108 # Handle --enable-unicode-properties
109 AC_ARG_ENABLE(unicode-properties,
110 AS_HELP_STRING([--enable-unicode-properties],
111 [enable Unicode properties support (implies --enable-utf8)]),
112 , enable_unicode_properties=no)
114 # Handle --enable-newline=NL
115 dnl AC_ARG_ENABLE(newline,
116 dnl AS_HELP_STRING([--enable-newline=NL],
117 dnl [use NL as newline (lf, cr, crlf, anycrlf, any; default=lf)]),
118 dnl , enable_newline=lf)
120 # Separate newline options
122 AC_ARG_ENABLE(newline-is-cr,
123 AS_HELP_STRING([--enable-newline-is-cr],
124 [use CR as newline character]),
126 AC_ARG_ENABLE(newline-is-lf,
127 AS_HELP_STRING([--enable-newline-is-lf],
128 [use LF as newline character (default)]),
130 AC_ARG_ENABLE(newline-is-crlf,
131 AS_HELP_STRING([--enable-newline-is-crlf],
132 [use CRLF as newline sequence]),
133 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,
139 AS_HELP_STRING([--enable-newline-is-any],
140 [use any valid Unicode newline sequence]),
142 enable_newline="$ac_pcre_newline"
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)
150 # Handle --enable-ebcdic
151 AC_ARG_ENABLE(ebcdic,
152 AS_HELP_STRING([--enable-ebcdic],
153 [assume EBCDIC coding rather than ASCII; use this only in (uncommon) EBCDIC environments; it implies --enable-rebuild-chartables]),
156 # Handle --disable-stack-for-recursion
157 AC_ARG_ENABLE(stack-for-recursion,
158 AS_HELP_STRING([--disable-stack-for-recursion],
159 [don't use stack recursion when matching]),
160 , enable_stack_for_recursion=yes)
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)
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)
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)
180 # Handle --with-posix-malloc-threshold=NBYTES
181 AC_ARG_WITH(posix-malloc-threshold,
182 AS_HELP_STRING([--with-posix-malloc-threshold=NBYTES],
183 [threshold for POSIX malloc usage (default=10)]),
184 , with_posix_malloc_threshold=10)
186 # Handle --with-link-size=N
187 AC_ARG_WITH(link-size,
188 AS_HELP_STRING([--with-link-size=N],
189 [internal link size (2, 3, or 4 allowed; default=2)]),
192 # Handle --with-match-limit=N
193 AC_ARG_WITH(match-limit,
194 AS_HELP_STRING([--with-match-limit=N],
195 [default limit on internal looping (default=10000000)]),
196 , with_match_limit=10000000)
198 # Handle --with-match-limit_recursion=N
200 # Note: In config.h, the default is to define MATCH_LIMIT_RECURSION
201 # symbolically as MATCH_LIMIT, which in turn is defined to be some numeric
202 # value (e.g. 10000000). MATCH_LIMIT_RECURSION can otherwise be set to some
203 # different numeric value (or even the same numeric value as MATCH_LIMIT,
204 # though no longer defined in terms of the latter).
206 AC_ARG_WITH(match-limit-recursion,
207 AS_HELP_STRING([--with-match-limit-recursion=N],
208 [default limit on internal recursion (default=MATCH_LIMIT)]),
209 , with_match_limit_recursion=MATCH_LIMIT)
211 # Make sure that if enable_unicode_properties was set, that UTF-8 support
214 if test "x$enable_unicode_properties" = "xyes"
216 if test "x$enable_utf8" = "xno"
218 AC_MSG_ERROR([support for Unicode properties requires UTF-8 support])
223 if test "x$enable_utf8" = "xunset"
228 # Make sure that if enable_ebcdic is set, rebuild_chartables is also enabled.
230 if test "x$enable_ebcdic" = "xyes"
232 enable_rebuild_chartables=yes
235 # Convert the newline identifier into the appropriate integer value.
236 case "$enable_newline" in
237 lf) ac_pcre_newline_value=10 ;;
238 cr) ac_pcre_newline_value=13 ;;
239 crlf) ac_pcre_newline_value=3338 ;;
240 anycrlf) ac_pcre_newline_value=-2 ;;
241 any) ac_pcre_newline_value=-1 ;;
243 AC_MSG_ERROR([invalid argument \"$enable_newline\" to --enable-newline option])
247 # Check argument to --with-link-size
248 case "$with_link_size" in
251 AC_MSG_ERROR([invalid argument \"$with_link_size\" to --with-link-size option])
256 /* On Unix-like systems config.h.in is converted by "configure" into config.h.
257 Some other environments also support the use of "configure". PCRE is written in
258 Standard C, but there are a few non-standard things it can cope with, allowing
259 it to run on SunOS4 and other "close to standard" systems.
261 If you are going to build PCRE "by hand" on a system without "configure" you
262 should copy the distributed config.h.generic to config.h, and then set up the
263 macro definitions the way you need them. You must then add -DHAVE_CONFIG_H to
264 all of your compile commands, so that config.h is included at the start of
267 Alternatively, you can avoid editing by using -D on the compiler command line
268 to set the macro values. In this case, you do not have to set -DHAVE_CONFIG_H.
270 PCRE uses memmove() if HAVE_MEMMOVE is set to 1; otherwise it uses bcopy() if
271 HAVE_BCOPY is set to 1. If your system has neither bcopy() nor memmove(), set
272 them both to 0; an emulation function will be used. */])
274 # Checks for header files.
276 AC_CHECK_HEADERS(limits.h sys/types.h sys/stat.h dirent.h windows.h)
278 # The files below are C++ header files.
279 pcre_have_type_traits="0"
280 pcre_have_bits_type_traits="0"
281 if test "x$enable_cpp" = "xyes" -a -n "$CXX"
285 # Older versions of pcre defined pcrecpp::no_arg, but in new versions
286 # it's called pcrecpp::RE::no_arg. For backwards ABI compatibility,
287 # we want to make one an alias for the other. Different systems do
288 # this in different ways. Some systems, for instance, can do it via
289 # a linker flag: -alias (for os x 10.5) or -i (for os x <=10.4).
290 OLD_LDFLAGS="$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; };
302 [AC_MSG_RESULT([yes]);
303 EXTRA_LIBPCRECPP_LDFLAGS="$EXTRA_LIBPCRECPP_LDFLAGS -Wl,$flag";
307 LDFLAGS="$OLD_LDFLAGS"
309 # We could be more clever here, given we're doing AC_SUBST with this
310 # (eg set a var to be the name of the include file we want). But we're not
311 # so it's easy to change back to 'regular' autoconf vars if we needed to.
312 AC_CHECK_HEADERS(string, [pcre_have_cpp_headers="1"],
313 [pcre_have_cpp_headers="0"])
314 AC_CHECK_HEADERS(bits/type_traits.h, [pcre_have_bits_type_traits="1"],
315 [pcre_have_bits_type_traits="0"])
316 AC_CHECK_HEADERS(type_traits.h, [pcre_have_type_traits="1"],
317 [pcre_have_type_traits="0"])
321 # Using AC_SUBST eliminates the need to include config.h in a public .h file
322 AC_SUBST(pcre_have_type_traits)
323 AC_SUBST(pcre_have_bits_type_traits)
325 # Conditional compilation
326 AM_CONDITIONAL(WITH_PCRE_CPP, test "x$enable_cpp" = "xyes")
327 AM_CONDITIONAL(WITH_REBUILD_CHARTABLES, test "x$enable_rebuild_chartables" = "xyes")
329 # Checks for typedefs, structures, and compiler characteristics.
334 pcre_have_strotolonglong=0
335 AC_CHECK_FUNCS(strtoq strtoll _strtoi64, [pcre_have_strotolonglong="1"; break])
336 # If we can't convert a string to a long long, pretend we don't even
338 if test $pcre_have_strotolonglong = "0"; then
339 pcre_have_long_long="0"
340 pcre_have_ulong_long="0"
342 AC_CHECK_TYPES([long long],
343 [pcre_have_long_long="1"],
344 [pcre_have_long_long="0"])
345 AC_CHECK_TYPES([unsigned long long],
346 [pcre_have_ulong_long="1"],
347 [pcre_have_ulong_long="0"])
349 AC_SUBST(pcre_have_long_long)
350 AC_SUBST(pcre_have_ulong_long)
352 # Checks for library functions.
354 AC_CHECK_FUNCS(bcopy memmove strerror)
356 # Check for the availability of libz (aka zlib)
358 AC_CHECK_HEADERS([zlib.h], [HAVE_ZLIB_H=1])
359 AC_CHECK_LIB([z], [gzopen], [HAVE_LIBZ=1])
361 # Check for the availability of libbz2
363 AC_CHECK_HEADERS([bzlib.h], [HAVE_BZLIB_H=1])
364 AC_CHECK_LIB([bz2], [BZ2_bzopen], [HAVE_LIBBZ2=1])
366 # Check for the availabiity of libreadline
368 AC_CHECK_HEADERS([readline/readline.h], [HAVE_READLINE_H=1])
369 AC_CHECK_HEADERS([readline/history.h], [HAVE_HISTORY_H=1])
370 AC_CHECK_LIB([readline], [readline], [HAVE_LIB_READLINE=1])
372 # This facilitates -ansi builds under Linux
373 dnl AC_DEFINE([_GNU_SOURCE], [], [Enable GNU extensions in glibc])
375 if test "x$enable_shared" = "xno" ; then
376 AC_DEFINE([PCRE_STATIC], [1], [
377 Define if linking statically (TODO: make nice with Libtool)])
380 # Here is where pcre specific defines are handled
382 if test "$enable_utf8" = "yes"; then
383 AC_DEFINE([SUPPORT_UTF8], [], [
384 Define to enable support for the UTF-8 Unicode encoding.])
387 if test "$enable_unicode_properties" = "yes"; then
388 AC_DEFINE([SUPPORT_UCP], [], [
389 Define to enable support for Unicode properties])
392 if test "$enable_stack_for_recursion" = "no"; then
393 AC_DEFINE([NO_RECURSE], [], [
394 PCRE uses recursive function calls to handle backtracking while
395 matching. This can sometimes be a problem on systems that have
396 stacks of limited size. Define NO_RECURSE to get a version that
397 doesn't use recursion in the match() function; instead it creates
398 its own stack by steam using pcre_recurse_malloc() to obtain memory
399 from the heap. For more detail, see the comments and other stuff
400 just above the match() function. On systems that support it,
401 "configure" can be used to set this in the Makefile
402 (use --disable-stack-for-recursion).])
405 if test "$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.])
411 if test "$enable_pcregrep_libbz2" = "yes"; then
412 AC_DEFINE([SUPPORT_LIBBZ2], [], [
413 Define to allow pcregrep to be linked with libbz2, so that it is
414 able to handle .bz2 files.])
417 if test "$enable_pcretest_libreadline" = "yes"; then
418 AC_DEFINE([SUPPORT_LIBREADLINE], [], [
419 Define to allow pcretest to be linked with libreadline.])
422 AC_DEFINE_UNQUOTED([NEWLINE], [$ac_pcre_newline_value], [
423 The value of NEWLINE determines the newline character sequence. On
424 systems that support it, "configure" can be used to override the
425 default, which is 10. The possible values are 10 (LF), 13 (CR),
426 3338 (CRLF), -1 (ANY), or -2 (ANYCRLF).])
428 if test "$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
438 AC_DEFINE_UNQUOTED([LINK_SIZE], [$with_link_size], [
439 The value of LINK_SIZE determines the number of bytes used to store
440 links as offsets within the compiled regex. The default is 2, which
441 allows for compiled patterns up to 64K long. This covers the vast
442 majority of cases. However, PCRE can also be compiled to use 3 or 4
443 bytes instead. This allows for longer patterns in extreme cases. On
444 systems that support it, "configure" can be used to override this default.])
446 AC_DEFINE_UNQUOTED([POSIX_MALLOC_THRESHOLD], [$with_posix_malloc_threshold], [
447 When calling PCRE via the POSIX interface, additional working storage
448 is required for holding the pointers to capturing substrings because
449 PCRE requires three integers per substring, whereas the POSIX
450 interface provides only two. If the number of expected substrings is
451 small, the wrapper function uses space on the stack, because this is
452 faster than using malloc() for each call. The threshold above which
453 the stack is no longer used is defined by POSIX_MALLOC_THRESHOLD. On
454 systems that support it, "configure" can be used to override this
457 AC_DEFINE_UNQUOTED([MATCH_LIMIT], [$with_match_limit], [
458 The value of MATCH_LIMIT determines the default number of times the
459 internal match() function can be called during a single execution of
460 pcre_exec(). There is a runtime interface for setting a different
461 limit. The limit exists in order to catch runaway regular
462 expressions that take for ever to determine that they do not match.
463 The default is set very large so that it does not accidentally catch
464 legitimate cases. On systems that support it, "configure" can be
465 used to override this default default.])
467 AC_DEFINE_UNQUOTED([MATCH_LIMIT_RECURSION], [$with_match_limit_recursion], [
468 The above limit applies to all calls of match(), whether or not they
469 increase the recursion depth. In some environments it is desirable
470 to limit the depth of recursive calls of match() more strictly, in
471 order to restrict the maximum amount of stack (or heap, if
472 NO_RECURSE is defined) that is used. The value of
473 MATCH_LIMIT_RECURSION applies only to recursive calls of match(). To
474 have any useful effect, it must be less than the value of
475 MATCH_LIMIT. The default is to use the same value as MATCH_LIMIT.
476 There is a runtime method for setting a different limit. On systems
477 that support it, "configure" can be used to override the default.])
479 AC_DEFINE([MAX_NAME_SIZE], [32], [
480 This limit is parameterized just in case anybody ever wants to
481 change it. Care must be taken if it is increased, because it guards
482 against integer overflow caused by enormously large patterns.])
484 AC_DEFINE([MAX_NAME_COUNT], [10000], [
485 This limit is parameterized just in case anybody ever wants to
486 change it. Care must be taken if it is increased, because it guards
487 against integer overflow caused by enormously large patterns.])
489 AH_VERBATIM([PCRE_EXP_DEFN], [
490 /* 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
492 of a function that is exported by the library, define this macro to
493 contain the relevant magic. If you do not define this macro, it
494 defaults to "extern" for a C compiler and "extern C" for a C++
495 compiler on non-Win32 systems. This macro apears at the start of
496 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
498 which are internal to the library. */
499 #undef PCRE_EXP_DEFN])
501 if test "$enable_ebcdic" = "yes"; then
502 AC_DEFINE_UNQUOTED([EBCDIC], [], [
503 If you are compiling for a system that uses EBCDIC instead of ASCII
504 character codes, define this macro as 1. On systems that can use
505 "configure", this can be done via --enable-ebcdic.])
508 # Platform specific issues
513 if test X"$enable_shared" = Xyes; then
514 NO_UNDEFINED="-no-undefined"
515 EXPORT_ALL_SYMBOLS="-Wl,--export-all-symbols"
520 # The extra LDFLAGS for each particular library
521 # (Note: The libpcre*_version bits are m4 variables, assigned above)
523 EXTRA_LIBPCRE_LDFLAGS="$EXTRA_LIBPCRE_LDFLAGS \
524 $NO_UNDEFINED -version-info libpcre_version"
526 EXTRA_LIBPCREPOSIX_LDFLAGS="$EXTRA_LIBPCREPOSIX_LDFLAGS \
527 $NO_UNDEFINED -version-info libpcreposix_version"
529 EXTRA_LIBPCRECPP_LDFLAGS="$EXTRA_LIBPCRECPP_LDFLAGS \
530 $NO_UNDEFINED -version-info libpcrecpp_version \
533 AC_SUBST(EXTRA_LIBPCRE_LDFLAGS)
534 AC_SUBST(EXTRA_LIBPCREPOSIX_LDFLAGS)
535 AC_SUBST(EXTRA_LIBPCRECPP_LDFLAGS)
537 # When we run 'make distcheck', use these arguments.
538 DISTCHECK_CONFIGURE_FLAGS="--enable-cpp --enable-unicode-properties"
539 AC_SUBST(DISTCHECK_CONFIGURE_FLAGS)
541 # Check that, if --enable-pcregrep-libz or --enable-pcregrep-libbz2 is
542 # specified, the relevant library is available. If so, add it to LIBS.
544 if test "$enable_pcregrep_libz" = "yes"; then
545 if test "$HAVE_ZLIB_H" != "1"; then
546 echo "** Cannot --enable-pcregrep-libz because zlib.h was not found"
549 if test "$HAVE_LIBZ" != "1"; then
550 echo "** Cannot --enable-pcregrep-libz because libz was not found"
553 if test "$LIBS" = ""; then LIBS=-lz; else LIBS="$LIBS -lz"; fi
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"
561 if test "$HAVE_LIBBZ2" != "1"; then
562 echo "** Cannot --enable-pcregrep-libbz2 because libbz2 was not found"
565 if test "$LIBS" = ""; then LIBS=-lbz2; else LIBS="$LIBS -lbz2"; fi
568 # Similarly for --enable-pcretest-readline
570 if test "$enable_pcretest_libreadline" = "yes"; then
571 if test "$HAVE_READLINE_H" != "1"; then
572 echo "** Cannot --enable-pcretest-readline because readline/readline.h was not found."
575 if test "$HAVE_HISTORY_H" != "1"; then
576 echo "** Cannot --enable-pcretest-readline because readline/history.h was not found."
579 if test "$LIBS" = ""; then LIBS=-lreadline; else LIBS="$LIBS -lreadline"; fi
582 # Produce these files, in addition to config.h.
593 # Make the generated script files executable.
594 AC_CONFIG_COMMANDS([script-chmod], [chmod a+x pcre-config])
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])
602 # Print out a nice little message after configure is run displaying your
607 $PACKAGE-$VERSION configuration summary:
609 Install prefix .................. : ${prefix}
610 C preprocessor .................. : ${CPP}
611 C compiler ...................... : ${CC}
612 C++ preprocessor ................ : ${CXXCPP}
613 C++ compiler .................... : ${CXX}
614 Linker .......................... : ${LD}
615 C preprocessor flags ............ : ${CPPFLAGS}
616 C compiler flags ................ : ${CFLAGS}
617 C++ compiler flags .............. : ${CXXFLAGS}
618 Linker flags .................... : ${LDFLAGS}
619 Extra libraries ................. : ${LIBS}
621 Build C++ library ............... : ${enable_cpp}
622 Enable UTF-8 support ............ : ${enable_utf8}
623 Unicode properties .............. : ${enable_unicode_properties}
624 Newline char/sequence ........... : ${enable_newline}
625 \R matches only ANYCRLF ......... : ${enable_bsr_anycrlf}
626 EBCDIC coding ................... : ${enable_ebcdic}
627 Rebuild char tables ............. : ${enable_rebuild_chartables}
628 Use stack recursion ............. : ${enable_stack_for_recursion}
629 POSIX mem threshold ............. : ${with_posix_malloc_threshold}
630 Internal link size .............. : ${with_link_size}
631 Match limit ..................... : ${with_match_limit}
632 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}