/[pcre]/code/trunk/configure.ac
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revision 797 by ph10, Sun Dec 11 17:09:37 2011 UTC revision 876 by zherczeg, Sun Jan 15 09:29:56 2012 UTC
# Line 9  dnl The PCRE_PRERELEASE feature is for i Line 9  dnl The PCRE_PRERELEASE feature is for i
9  dnl be defined as -RC2, for example. For real releases, it should be empty.  dnl be defined as -RC2, for example. For real releases, it should be empty.
10    
11  m4_define(pcre_major, [8])  m4_define(pcre_major, [8])
12  m4_define(pcre_minor, [21])  m4_define(pcre_minor, [30])
13  m4_define(pcre_prerelease, [])  m4_define(pcre_prerelease, [-PT1])
14  m4_define(pcre_date, [2011-12-12])  m4_define(pcre_date, [2012-01-01])
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, [1:0:0])
18    m4_define(libpcre16_version, [0:0:0])
19  m4_define(libpcreposix_version, [0:0:0])  m4_define(libpcreposix_version, [0:0:0])
20  m4_define(libpcrecpp_version, [0:0:0])  m4_define(libpcrecpp_version, [0:0:0])
21    
# Line 104  then Line 105  then
105    htmldir='${docdir}/html'    htmldir='${docdir}/html'
106  fi  fi
107    
108    # Handle --disable-pcre8 (enabled by default)
109    AC_ARG_ENABLE(pcre8,
110                  AS_HELP_STRING([--disable-pcre8],
111                                 [disable 8 bit character support]),
112                  , enable_pcre8=unset)
113    AC_SUBST(enable_pcre8)
114    
115    # Handle --enable-pcre16 (disabled by default)
116    AC_ARG_ENABLE(pcre16,
117                  AS_HELP_STRING([--enable-pcre16],
118                                 [enable 16 bit character support]),
119                  , enable_pcre16=unset)
120    AC_SUBST(enable_pcre16)
121    
122  # Handle --disable-cpp. The substitution of enable_cpp is needed for use in  # Handle --disable-cpp. The substitution of enable_cpp is needed for use in
123  # pcre-config.  # pcre-config.
124  AC_ARG_ENABLE(cpp,  AC_ARG_ENABLE(cpp,
125                AS_HELP_STRING([--disable-cpp],                AS_HELP_STRING([--disable-cpp],
126                               [disable C++ support]),                               [disable C++ support]),
127                , enable_cpp=yes)                , enable_cpp=unset)
128  AC_SUBST(enable_cpp)  AC_SUBST(enable_cpp)
129    
130  # Handle --enable-jit (disabled by default)  # Handle --enable-jit (disabled by default)
# Line 133  AC_ARG_ENABLE(rebuild-chartables, Line 148  AC_ARG_ENABLE(rebuild-chartables,
148  # Handle --enable-utf8 (disabled by default)  # Handle --enable-utf8 (disabled by default)
149  AC_ARG_ENABLE(utf8,  AC_ARG_ENABLE(utf8,
150                AS_HELP_STRING([--enable-utf8],                AS_HELP_STRING([--enable-utf8],
151                               [enable UTF-8 support (incompatible with --enable-ebcdic)]),                               [another name for --enable-utf. Kept only for compatibility reasons]),
152                , enable_utf8=unset)                , enable_utf8=unset)
153    
154    # Handle --enable-utf (disabled by default)
155    AC_ARG_ENABLE(utf,
156                  AS_HELP_STRING([--enable-utf],
157                                 [enable UTF-8/16 support (incompatible with --enable-ebcdic)]),
158                  , enable_utf=unset)
159    
160  # Handle --enable-unicode-properties  # Handle --enable-unicode-properties
161  AC_ARG_ENABLE(unicode-properties,  AC_ARG_ENABLE(unicode-properties,
162                AS_HELP_STRING([--enable-unicode-properties],                AS_HELP_STRING([--enable-unicode-properties],
163                               [enable Unicode properties support (implies --enable-utf8)]),                               [enable Unicode properties support (implies --enable-utf)]),
164                , enable_unicode_properties=no)                , enable_unicode_properties=no)
165    
166  # Handle --enable-newline=NL  # Handle --enable-newline=NL
# Line 181  AC_ARG_ENABLE(bsr-anycrlf, Line 202  AC_ARG_ENABLE(bsr-anycrlf,
202  # Handle --enable-ebcdic  # Handle --enable-ebcdic
203  AC_ARG_ENABLE(ebcdic,  AC_ARG_ENABLE(ebcdic,
204                AS_HELP_STRING([--enable-ebcdic],                AS_HELP_STRING([--enable-ebcdic],
205                               [assume EBCDIC coding rather than ASCII; incompatible with --enable-utf8; use only in (uncommon) EBCDIC environments; it implies --enable-rebuild-chartables]),                               [assume EBCDIC coding rather than ASCII; incompatible with --enable-utf; use only in (uncommon) EBCDIC environments; it implies --enable-rebuild-chartables]),
206                , enable_ebcdic=no)                , enable_ebcdic=no)
207    
208  # Handle --disable-stack-for-recursion  # Handle --disable-stack-for-recursion
# Line 245  AC_ARG_WITH(match-limit-recursion, Line 266  AC_ARG_WITH(match-limit-recursion,
266                             [default limit on internal recursion (default=MATCH_LIMIT)]),                             [default limit on internal recursion (default=MATCH_LIMIT)]),
267              , with_match_limit_recursion=MATCH_LIMIT)              , with_match_limit_recursion=MATCH_LIMIT)
268    
269  # Make sure that if enable_unicode_properties was set, that UTF-8 support  # Copy enable_utf8 value to enable_utf for compatibility reasons
270  # is enabled.  if test "x$enable_utf8" != "xunset"
271  #  then
272      if test "x$enable_utf" != "xunset"
273      then
274        AC_MSG_ERROR([--enable/disable-utf8 is kept only for compatibility reasons and its value is copied to --enable/disable-utf. Newer code must use --enable/disable-utf alone.])
275      fi
276      enable_utf=$enable_utf8
277    fi
278    
279    # Set the default value for pcre8
280    if test "x$enable_pcre8" = "xunset"
281    then
282      enable_pcre8=yes
283    fi
284    
285    # Set the default value for pcre16
286    if test "x$enable_pcre16" = "xunset"
287    then
288      enable_pcre16=no
289    fi
290    
291    # Make sure enable_pcre8 or enable_pcre16 was set
292    if test "x$enable_pcre8$enable_pcre16" = "xnono"
293    then
294      AC_MSG_ERROR([Either 8 or 16 bit (or both) pcre library must be enabled])
295    fi
296    
297    # Make sure that if enable_unicode_properties was set, that UTF support is enabled.
298  if test "x$enable_unicode_properties" = "xyes"  if test "x$enable_unicode_properties" = "xyes"
299  then  then
300    if test "x$enable_utf8" = "xno"    if test "x$enable_utf" = "xno"
301    then    then
302      AC_MSG_ERROR([support for Unicode properties requires UTF-8 support])      AC_MSG_ERROR([support for Unicode properties requires UTF-8/16 support])
303    fi    fi
304    enable_utf8=yes    enable_utf=yes
305    fi
306    
307    # enable_utf is disabled by default.
308    if test "x$enable_utf" = "xunset"
309    then
310      enable_utf=no
311  fi  fi
312    
313  if test "x$enable_utf8" = "xunset"  # enable_cpp copies the value of enable_pcre8 by default
314    if test "x$enable_cpp" = "xunset"
315  then  then
316    enable_utf8=no    enable_cpp=$enable_pcre8
317    fi
318    
319    # Make sure that if enable_cpp was set, that enable_pcre8 support is enabled
320    if test "x$enable_cpp" = "xyes"
321    then
322      if test "x$enable_pcre8" = "xno"
323      then
324        AC_MSG_ERROR([C++ library requires pcre library with 8 bit characters])
325      fi
326  fi  fi
327    
328  # Make sure that if enable_ebcdic is set, rebuild_chartables is also enabled.  # Make sure that if enable_ebcdic is set, rebuild_chartables is also enabled.
329  # Also check that UTF-8 support is not requested, because PCRE cannot handle  # Also check that UTF support is not requested, because PCRE cannot handle
330  # EBCDIC and UTF-8 in the same build. To do so it would need to use different  # EBCDIC and UTF in the same build. To do so it would need to use different
331  # character constants depending on the mode.  # character constants depending on the mode.
332  #  #
333  if test "x$enable_ebcdic" = "xyes"  if test "x$enable_ebcdic" = "xyes"
334  then  then
335    enable_rebuild_chartables=yes    enable_rebuild_chartables=yes
336    if test "x$enable_utf8" = "xyes"    if test "x$enable_utf" = "xyes"
337    then    then
338      AC_MSG_ERROR([support for EBCDIC and UTF-8 cannot be enabled at the same time])      AC_MSG_ERROR([support for EBCDIC and UTF-8/16 cannot be enabled at the same time])
339    fi    fi
340  fi  fi
341    
# Line 410  AC_SUBST(pcre_have_type_traits) Line 473  AC_SUBST(pcre_have_type_traits)
473  AC_SUBST(pcre_have_bits_type_traits)  AC_SUBST(pcre_have_bits_type_traits)
474    
475  # Conditional compilation  # Conditional compilation
476    AM_CONDITIONAL(WITH_PCRE8, test "x$enable_pcre8" = "xyes")
477    AM_CONDITIONAL(WITH_PCRE16, test "x$enable_pcre16" = "xyes")
478  AM_CONDITIONAL(WITH_PCRE_CPP, test "x$enable_cpp" = "xyes")  AM_CONDITIONAL(WITH_PCRE_CPP, test "x$enable_cpp" = "xyes")
479  AM_CONDITIONAL(WITH_REBUILD_CHARTABLES, test "x$enable_rebuild_chartables" = "xyes")  AM_CONDITIONAL(WITH_REBUILD_CHARTABLES, test "x$enable_rebuild_chartables" = "xyes")
480  AM_CONDITIONAL(WITH_JIT, test "x$enable_jit" = "xyes")  AM_CONDITIONAL(WITH_JIT, test "x$enable_jit" = "xyes")
481  AM_CONDITIONAL(WITH_UTF8, test "x$enable_utf8" = "xyes")  AM_CONDITIONAL(WITH_UTF, test "x$enable_utf" = "xyes")
482    
483  # Checks for typedefs, structures, and compiler characteristics.  # Checks for typedefs, structures, and compiler characteristics.
484    
# Line 482  AC_SUBST(PCRE_STATIC_CFLAG) Line 547  AC_SUBST(PCRE_STATIC_CFLAG)
547    
548  # Here is where pcre specific defines are handled  # Here is where pcre specific defines are handled
549    
550    if test "$enable_pcre8" = "yes"; then
551      AC_DEFINE([SUPPORT_PCRE8], [], [
552        Define to enable the 8 bit PCRE library.])
553    fi
554    
555    if test "$enable_pcre16" = "yes"; then
556      AC_DEFINE([SUPPORT_PCRE16], [], [
557        Define to enable the 16 bit PCRE library.])
558    fi
559    
560  if test "$enable_jit" = "yes"; then  if test "$enable_jit" = "yes"; then
561    AC_DEFINE([SUPPORT_JIT], [], [    AC_DEFINE([SUPPORT_JIT], [], [
562      Define to enable support for Just-In-Time compiling.])      Define to enable support for Just-In-Time compiling.])
# Line 494  if test "$enable_pcregrep_jit" = "yes"; Line 569  if test "$enable_pcregrep_jit" = "yes";
569      Define to enable JIT support in pcregrep.])      Define to enable JIT support in pcregrep.])
570  fi  fi
571    
572  if test "$enable_utf8" = "yes"; then  if test "$enable_utf" = "yes"; then
573    AC_DEFINE([SUPPORT_UTF8], [], [    AC_DEFINE([SUPPORT_UTF], [], [
574      Define to enable support for the UTF-8 Unicode encoding. This will      Define to enable support for the UTF-8/16 Unicode encoding. This
575      work even in an EBCDIC environment, but it is incompatible with      will work even in an EBCDIC environment, but it is incompatible
576      the EBCDIC macro. That is, PCRE can support *either* EBCDIC code      with the EBCDIC macro. That is, PCRE can support *either* EBCDIC
577      *or* ASCII/UTF-8, but not both at once.])      code *or* ASCII/UTF-8/16, but not both at once.])
578  fi  fi
579    
580  if test "$enable_unicode_properties" = "yes"; then  if test "$enable_unicode_properties" = "yes"; then
# Line 634  if test "$enable_ebcdic" = "yes"; then Line 709  if test "$enable_ebcdic" = "yes"; then
709      character codes, define this macro as 1. On systems that can use      character codes, define this macro as 1. On systems that can use
710      "configure", this can be done via --enable-ebcdic. PCRE will then      "configure", this can be done via --enable-ebcdic. PCRE will then
711      assume that all input strings are in EBCDIC. If you do not define      assume that all input strings are in EBCDIC. If you do not define
712      this macro, PCRE will assume input strings are ASCII or UTF-8 Unicode.      this macro, PCRE will assume input strings are ASCII or UTF-8/16
713      It is not possible to build a version of PCRE that supports both      Unicode. It is not possible to build a version of PCRE that
714      EBCDIC and UTF-8.])      supports both EBCDIC and UTF-8/16.])
715  fi  fi
716    
717  # Platform specific issues  # Platform specific issues
# Line 657  esac Line 732  esac
732  EXTRA_LIBPCRE_LDFLAGS="$EXTRA_LIBPCRE_LDFLAGS \  EXTRA_LIBPCRE_LDFLAGS="$EXTRA_LIBPCRE_LDFLAGS \
733                         $NO_UNDEFINED -version-info libpcre_version"                         $NO_UNDEFINED -version-info libpcre_version"
734    
735    EXTRA_LIBPCRE16_LDFLAGS="$EXTRA_LIBPCRE16_LDFLAGS \
736                           $NO_UNDEFINED -version-info libpcre16_version"
737    
738  EXTRA_LIBPCREPOSIX_LDFLAGS="$EXTRA_LIBPCREPOSIX_LDFLAGS \  EXTRA_LIBPCREPOSIX_LDFLAGS="$EXTRA_LIBPCREPOSIX_LDFLAGS \
739                              $NO_UNDEFINED -version-info libpcreposix_version"                              $NO_UNDEFINED -version-info libpcreposix_version"
740    
# Line 665  EXTRA_LIBPCRECPP_LDFLAGS="$EXTRA_LIBPCRE Line 743  EXTRA_LIBPCRECPP_LDFLAGS="$EXTRA_LIBPCRE
743                            $EXPORT_ALL_SYMBOLS"                            $EXPORT_ALL_SYMBOLS"
744    
745  AC_SUBST(EXTRA_LIBPCRE_LDFLAGS)  AC_SUBST(EXTRA_LIBPCRE_LDFLAGS)
746    AC_SUBST(EXTRA_LIBPCRE16_LDFLAGS)
747  AC_SUBST(EXTRA_LIBPCREPOSIX_LDFLAGS)  AC_SUBST(EXTRA_LIBPCREPOSIX_LDFLAGS)
748  AC_SUBST(EXTRA_LIBPCRECPP_LDFLAGS)  AC_SUBST(EXTRA_LIBPCRECPP_LDFLAGS)
749    
750  # When we run 'make distcheck', use these arguments.  # When we run 'make distcheck', use these arguments.
751  DISTCHECK_CONFIGURE_FLAGS="--enable-jit --enable-cpp --enable-unicode-properties"  DISTCHECK_CONFIGURE_FLAGS="--enable-pcre16 --enable-jit --enable-cpp --enable-unicode-properties"
752  AC_SUBST(DISTCHECK_CONFIGURE_FLAGS)  AC_SUBST(DISTCHECK_CONFIGURE_FLAGS)
753    
754  # Check that, if --enable-pcregrep-libz or --enable-pcregrep-libbz2 is  # Check that, if --enable-pcregrep-libz or --enable-pcregrep-libbz2 is
# Line 720  AC_SUBST(LIBREADLINE) Line 799  AC_SUBST(LIBREADLINE)
799  AC_CONFIG_FILES(  AC_CONFIG_FILES(
800          Makefile          Makefile
801          libpcre.pc          libpcre.pc
802          libpcreposix.pc          libpcre16.pc
803            libpcreposix.pc
804          libpcrecpp.pc          libpcrecpp.pc
805          pcre-config          pcre-config
806          pcre.h          pcre.h
# Line 756  $PACKAGE-$VERSION configuration summary: Line 836  $PACKAGE-$VERSION configuration summary:
836      Linker flags .................... : ${LDFLAGS}      Linker flags .................... : ${LDFLAGS}
837      Extra libraries ................. : ${LIBS}      Extra libraries ................. : ${LIBS}
838    
839        Build 8 bit pcre library ........ : ${enable_pcre8}
840        Build 16 bit pcre library ....... : ${enable_pcre16}
841      Build C++ library ............... : ${enable_cpp}      Build C++ library ............... : ${enable_cpp}
842      Enable JIT compiling support .... : ${enable_jit}      Enable JIT compiling support .... : ${enable_jit}
843      Enable UTF-8 support ............ : ${enable_utf8}      Enable UTF-8/16 support ......... : ${enable_utf}
844      Unicode properties .............. : ${enable_unicode_properties}      Unicode properties .............. : ${enable_unicode_properties}
845      Newline char/sequence ........... : ${enable_newline}      Newline char/sequence ........... : ${enable_newline}
846      \R matches only ANYCRLF ......... : ${enable_bsr_anycrlf}      \R matches only ANYCRLF ......... : ${enable_bsr_anycrlf}

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