/[pcre]/code/trunk/configure.ac
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revision 745 by ph10, Mon Nov 14 11:41:03 2011 UTC revision 877 by ph10, Sun Jan 15 12:20:28 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, [-RC1])  m4_define(pcre_prerelease, [-PT1])
14  m4_define(pcre_date, [2011-11-14])  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 22  AC_PREREQ(2.57) Line 23  AC_PREREQ(2.57)
23  AC_INIT(PCRE, pcre_major.pcre_minor[]pcre_prerelease, , pcre)  AC_INIT(PCRE, pcre_major.pcre_minor[]pcre_prerelease, , pcre)
24  AC_CONFIG_SRCDIR([pcre.h.in])  AC_CONFIG_SRCDIR([pcre.h.in])
25  AM_INIT_AUTOMAKE([dist-bzip2 dist-zip])  AM_INIT_AUTOMAKE([dist-bzip2 dist-zip])
26    AM_SILENT_RULES([yes])
27  AC_CONFIG_HEADERS(config.h)  AC_CONFIG_HEADERS(config.h)
28    
29  # This was added at the suggestion of libtoolize (03-Jan-10)  # This was added at the suggestion of libtoolize (03-Jan-10)
# Line 104  then Line 106  then
106    htmldir='${docdir}/html'    htmldir='${docdir}/html'
107  fi  fi
108    
109    # Handle --disable-pcre8 (enabled by default)
110    AC_ARG_ENABLE(pcre8,
111                  AS_HELP_STRING([--disable-pcre8],
112                                 [disable 8 bit character support]),
113                  , enable_pcre8=unset)
114    AC_SUBST(enable_pcre8)
115    
116    # Handle --enable-pcre16 (disabled by default)
117    AC_ARG_ENABLE(pcre16,
118                  AS_HELP_STRING([--enable-pcre16],
119                                 [enable 16 bit character support]),
120                  , enable_pcre16=unset)
121    AC_SUBST(enable_pcre16)
122    
123  # 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
124  # pcre-config.  # pcre-config.
125  AC_ARG_ENABLE(cpp,  AC_ARG_ENABLE(cpp,
126                AS_HELP_STRING([--disable-cpp],                AS_HELP_STRING([--disable-cpp],
127                               [disable C++ support]),                               [disable C++ support]),
128                , enable_cpp=yes)                , enable_cpp=unset)
129  AC_SUBST(enable_cpp)  AC_SUBST(enable_cpp)
130    
131  # Handle --enable-jit (disabled by default)  # Handle --enable-jit (disabled by default)
# Line 133  AC_ARG_ENABLE(rebuild-chartables, Line 149  AC_ARG_ENABLE(rebuild-chartables,
149  # Handle --enable-utf8 (disabled by default)  # Handle --enable-utf8 (disabled by default)
150  AC_ARG_ENABLE(utf8,  AC_ARG_ENABLE(utf8,
151                AS_HELP_STRING([--enable-utf8],                AS_HELP_STRING([--enable-utf8],
152                               [enable UTF-8 support (incompatible with --enable-ebcdic)]),                               [another name for --enable-utf. Kept only for compatibility reasons]),
153                , enable_utf8=unset)                , enable_utf8=unset)
154    
155    # Handle --enable-utf (disabled by default)
156    AC_ARG_ENABLE(utf,
157                  AS_HELP_STRING([--enable-utf],
158                                 [enable UTF-8/16 support (incompatible with --enable-ebcdic)]),
159                  , enable_utf=unset)
160    
161  # Handle --enable-unicode-properties  # Handle --enable-unicode-properties
162  AC_ARG_ENABLE(unicode-properties,  AC_ARG_ENABLE(unicode-properties,
163                AS_HELP_STRING([--enable-unicode-properties],                AS_HELP_STRING([--enable-unicode-properties],
164                               [enable Unicode properties support (implies --enable-utf8)]),                               [enable Unicode properties support (implies --enable-utf)]),
165                , enable_unicode_properties=no)                , enable_unicode_properties=no)
166    
167  # Handle --enable-newline=NL  # Handle --enable-newline=NL
# Line 181  AC_ARG_ENABLE(bsr-anycrlf, Line 203  AC_ARG_ENABLE(bsr-anycrlf,
203  # Handle --enable-ebcdic  # Handle --enable-ebcdic
204  AC_ARG_ENABLE(ebcdic,  AC_ARG_ENABLE(ebcdic,
205                AS_HELP_STRING([--enable-ebcdic],                AS_HELP_STRING([--enable-ebcdic],
206                               [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]),
207                , enable_ebcdic=no)                , enable_ebcdic=no)
208    
209  # Handle --disable-stack-for-recursion  # Handle --disable-stack-for-recursion
# Line 245  AC_ARG_WITH(match-limit-recursion, Line 267  AC_ARG_WITH(match-limit-recursion,
267                             [default limit on internal recursion (default=MATCH_LIMIT)]),                             [default limit on internal recursion (default=MATCH_LIMIT)]),
268              , with_match_limit_recursion=MATCH_LIMIT)              , with_match_limit_recursion=MATCH_LIMIT)
269    
270  # Make sure that if enable_unicode_properties was set, that UTF-8 support  # Copy enable_utf8 value to enable_utf for compatibility reasons
271  # is enabled.  if test "x$enable_utf8" != "xunset"
272  #  then
273      if test "x$enable_utf" != "xunset"
274      then
275        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.])
276      fi
277      enable_utf=$enable_utf8
278    fi
279    
280    # Set the default value for pcre8
281    if test "x$enable_pcre8" = "xunset"
282    then
283      enable_pcre8=yes
284    fi
285    
286    # Set the default value for pcre16
287    if test "x$enable_pcre16" = "xunset"
288    then
289      enable_pcre16=no
290    fi
291    
292    # Make sure enable_pcre8 or enable_pcre16 was set
293    if test "x$enable_pcre8$enable_pcre16" = "xnono"
294    then
295      AC_MSG_ERROR([Either 8 or 16 bit (or both) pcre library must be enabled])
296    fi
297    
298    # Make sure that if enable_unicode_properties was set, that UTF support is enabled.
299  if test "x$enable_unicode_properties" = "xyes"  if test "x$enable_unicode_properties" = "xyes"
300  then  then
301    if test "x$enable_utf8" = "xno"    if test "x$enable_utf" = "xno"
302    then    then
303      AC_MSG_ERROR([support for Unicode properties requires UTF-8 support])      AC_MSG_ERROR([support for Unicode properties requires UTF-8/16 support])
304    fi    fi
305    enable_utf8=yes    enable_utf=yes
306    fi
307    
308    # enable_utf is disabled by default.
309    if test "x$enable_utf" = "xunset"
310    then
311      enable_utf=no
312  fi  fi
313    
314  if test "x$enable_utf8" = "xunset"  # enable_cpp copies the value of enable_pcre8 by default
315    if test "x$enable_cpp" = "xunset"
316  then  then
317    enable_utf8=no    enable_cpp=$enable_pcre8
318    fi
319    
320    # Make sure that if enable_cpp was set, that enable_pcre8 support is enabled
321    if test "x$enable_cpp" = "xyes"
322    then
323      if test "x$enable_pcre8" = "xno"
324      then
325        AC_MSG_ERROR([C++ library requires pcre library with 8 bit characters])
326      fi
327  fi  fi
328    
329  # Make sure that if enable_ebcdic is set, rebuild_chartables is also enabled.  # Make sure that if enable_ebcdic is set, rebuild_chartables is also enabled.
330  # Also check that UTF-8 support is not requested, because PCRE cannot handle  # Also check that UTF support is not requested, because PCRE cannot handle
331  # EBCDIC and UTF-8 in the same build. To do so it would need to use different  # EBCDIC and UTF in the same build. To do so it would need to use different
332  # character constants depending on the mode.  # character constants depending on the mode.
333  #  #
334  if test "x$enable_ebcdic" = "xyes"  if test "x$enable_ebcdic" = "xyes"
335  then  then
336    enable_rebuild_chartables=yes    enable_rebuild_chartables=yes
337    if test "x$enable_utf8" = "xyes"    if test "x$enable_utf" = "xyes"
338    then    then
339      AC_MSG_ERROR([support for EBCDIC and UTF-8 cannot be enabled at the same time])      AC_MSG_ERROR([support for EBCDIC and UTF-8/16 cannot be enabled at the same time])
340    fi    fi
341  fi  fi
342    
# Line 410  AC_SUBST(pcre_have_type_traits) Line 474  AC_SUBST(pcre_have_type_traits)
474  AC_SUBST(pcre_have_bits_type_traits)  AC_SUBST(pcre_have_bits_type_traits)
475    
476  # Conditional compilation  # Conditional compilation
477    AM_CONDITIONAL(WITH_PCRE8, test "x$enable_pcre8" = "xyes")
478    AM_CONDITIONAL(WITH_PCRE16, test "x$enable_pcre16" = "xyes")
479  AM_CONDITIONAL(WITH_PCRE_CPP, test "x$enable_cpp" = "xyes")  AM_CONDITIONAL(WITH_PCRE_CPP, test "x$enable_cpp" = "xyes")
480  AM_CONDITIONAL(WITH_REBUILD_CHARTABLES, test "x$enable_rebuild_chartables" = "xyes")  AM_CONDITIONAL(WITH_REBUILD_CHARTABLES, test "x$enable_rebuild_chartables" = "xyes")
481  AM_CONDITIONAL(WITH_JIT, test "x$enable_jit" = "xyes")  AM_CONDITIONAL(WITH_JIT, test "x$enable_jit" = "xyes")
482  AM_CONDITIONAL(WITH_UTF8, test "x$enable_utf8" = "xyes")  AM_CONDITIONAL(WITH_UTF, test "x$enable_utf" = "xyes")
483    
484  # Checks for typedefs, structures, and compiler characteristics.  # Checks for typedefs, structures, and compiler characteristics.
485    
# Line 482  AC_SUBST(PCRE_STATIC_CFLAG) Line 548  AC_SUBST(PCRE_STATIC_CFLAG)
548    
549  # Here is where pcre specific defines are handled  # Here is where pcre specific defines are handled
550    
551    if test "$enable_pcre8" = "yes"; then
552      AC_DEFINE([SUPPORT_PCRE8], [], [
553        Define to enable the 8 bit PCRE library.])
554    fi
555    
556    if test "$enable_pcre16" = "yes"; then
557      AC_DEFINE([SUPPORT_PCRE16], [], [
558        Define to enable the 16 bit PCRE library.])
559    fi
560    
561  if test "$enable_jit" = "yes"; then  if test "$enable_jit" = "yes"; then
562    AC_DEFINE([SUPPORT_JIT], [], [    AC_DEFINE([SUPPORT_JIT], [], [
563      Define to enable support for Just-In-Time compiling.])      Define to enable support for Just-In-Time compiling.])
# Line 494  if test "$enable_pcregrep_jit" = "yes"; Line 570  if test "$enable_pcregrep_jit" = "yes";
570      Define to enable JIT support in pcregrep.])      Define to enable JIT support in pcregrep.])
571  fi  fi
572    
573  if test "$enable_utf8" = "yes"; then  if test "$enable_utf" = "yes"; then
574    AC_DEFINE([SUPPORT_UTF8], [], [    AC_DEFINE([SUPPORT_UTF], [], [
575      Define to enable support for the UTF-8 Unicode encoding. This will      Define to enable support for the UTF-8/16 Unicode encoding. This
576      work even in an EBCDIC environment, but it is incompatible with      will work even in an EBCDIC environment, but it is incompatible
577      the EBCDIC macro. That is, PCRE can support *either* EBCDIC code      with the EBCDIC macro. That is, PCRE can support *either* EBCDIC
578      *or* ASCII/UTF-8, but not both at once.])      code *or* ASCII/UTF-8/16, but not both at once.])
579  fi  fi
580    
581  if test "$enable_unicode_properties" = "yes"; then  if test "$enable_unicode_properties" = "yes"; then
# Line 634  if test "$enable_ebcdic" = "yes"; then Line 710  if test "$enable_ebcdic" = "yes"; then
710      character codes, define this macro as 1. On systems that can use      character codes, define this macro as 1. On systems that can use
711      "configure", this can be done via --enable-ebcdic. PCRE will then      "configure", this can be done via --enable-ebcdic. PCRE will then
712      assume that all input strings are in EBCDIC. If you do not define      assume that all input strings are in EBCDIC. If you do not define
713      this macro, PCRE will assume input strings are ASCII or UTF-8 Unicode.      this macro, PCRE will assume input strings are ASCII or UTF-8/16
714      It is not possible to build a version of PCRE that supports both      Unicode. It is not possible to build a version of PCRE that
715      EBCDIC and UTF-8.])      supports both EBCDIC and UTF-8/16.])
716  fi  fi
717    
718  # Platform specific issues  # Platform specific issues
# Line 657  esac Line 733  esac
733  EXTRA_LIBPCRE_LDFLAGS="$EXTRA_LIBPCRE_LDFLAGS \  EXTRA_LIBPCRE_LDFLAGS="$EXTRA_LIBPCRE_LDFLAGS \
734                         $NO_UNDEFINED -version-info libpcre_version"                         $NO_UNDEFINED -version-info libpcre_version"
735    
736    EXTRA_LIBPCRE16_LDFLAGS="$EXTRA_LIBPCRE16_LDFLAGS \
737                           $NO_UNDEFINED -version-info libpcre16_version"
738    
739  EXTRA_LIBPCREPOSIX_LDFLAGS="$EXTRA_LIBPCREPOSIX_LDFLAGS \  EXTRA_LIBPCREPOSIX_LDFLAGS="$EXTRA_LIBPCREPOSIX_LDFLAGS \
740                              $NO_UNDEFINED -version-info libpcreposix_version"                              $NO_UNDEFINED -version-info libpcreposix_version"
741    
# Line 665  EXTRA_LIBPCRECPP_LDFLAGS="$EXTRA_LIBPCRE Line 744  EXTRA_LIBPCRECPP_LDFLAGS="$EXTRA_LIBPCRE
744                            $EXPORT_ALL_SYMBOLS"                            $EXPORT_ALL_SYMBOLS"
745    
746  AC_SUBST(EXTRA_LIBPCRE_LDFLAGS)  AC_SUBST(EXTRA_LIBPCRE_LDFLAGS)
747    AC_SUBST(EXTRA_LIBPCRE16_LDFLAGS)
748  AC_SUBST(EXTRA_LIBPCREPOSIX_LDFLAGS)  AC_SUBST(EXTRA_LIBPCREPOSIX_LDFLAGS)
749  AC_SUBST(EXTRA_LIBPCRECPP_LDFLAGS)  AC_SUBST(EXTRA_LIBPCRECPP_LDFLAGS)
750    
751  # When we run 'make distcheck', use these arguments.  # When we run 'make distcheck', use these arguments.
752  DISTCHECK_CONFIGURE_FLAGS="--enable-jit --enable-cpp --enable-unicode-properties"  DISTCHECK_CONFIGURE_FLAGS="--enable-pcre16 --enable-jit --enable-cpp --enable-unicode-properties"
753  AC_SUBST(DISTCHECK_CONFIGURE_FLAGS)  AC_SUBST(DISTCHECK_CONFIGURE_FLAGS)
754    
755  # 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 800  AC_SUBST(LIBREADLINE)
800  AC_CONFIG_FILES(  AC_CONFIG_FILES(
801          Makefile          Makefile
802          libpcre.pc          libpcre.pc
803          libpcreposix.pc          libpcre16.pc
804            libpcreposix.pc
805          libpcrecpp.pc          libpcrecpp.pc
806          pcre-config          pcre-config
807          pcre.h          pcre.h
# Line 756  $PACKAGE-$VERSION configuration summary: Line 837  $PACKAGE-$VERSION configuration summary:
837      Linker flags .................... : ${LDFLAGS}      Linker flags .................... : ${LDFLAGS}
838      Extra libraries ................. : ${LIBS}      Extra libraries ................. : ${LIBS}
839    
840        Build 8 bit pcre library ........ : ${enable_pcre8}
841        Build 16 bit pcre library ....... : ${enable_pcre16}
842      Build C++ library ............... : ${enable_cpp}      Build C++ library ............... : ${enable_cpp}
843      Enable JIT compiling support .... : ${enable_jit}      Enable JIT compiling support .... : ${enable_jit}
844      Enable UTF-8 support ............ : ${enable_utf8}      Enable UTF-8/16 support ......... : ${enable_utf}
845      Unicode properties .............. : ${enable_unicode_properties}      Unicode properties .............. : ${enable_unicode_properties}
846      Newline char/sequence ........... : ${enable_newline}      Newline char/sequence ........... : ${enable_newline}
847      \R matches only ANYCRLF ......... : ${enable_bsr_anycrlf}      \R matches only ANYCRLF ......... : ${enable_bsr_anycrlf}

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