/[pcre]/code/trunk/configure.ac
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revision 131 by ph10, Mon Mar 26 15:10:12 2007 UTC revision 231 by ph10, Tue Sep 11 11:15:33 2007 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, [4])
11  m4_define(pcre_prerelease, [-RC3])  m4_define(pcre_prerelease, [-RC1])
12  m4_define(pcre_date, [2007-03-26])  m4_define(pcre_date, [2007-09-10])
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    
64  AC_PROG_INSTALL  AC_PROG_INSTALL
65  AC_LIBTOOL_WIN32_DLL  AC_LIBTOOL_WIN32_DLL
66  AC_PROG_LIBTOOL  AC_PROG_LIBTOOL
67    AC_PROG_LN_S
68    
69  PCRE_MAJOR="pcre_major"  PCRE_MAJOR="pcre_major"
70  PCRE_MINOR="pcre_minor"  PCRE_MINOR="pcre_minor"
# Line 70  AC_ARG_ENABLE(unicode-properties, Line 109  AC_ARG_ENABLE(unicode-properties,
109  # Handle --enable-newline=NL  # Handle --enable-newline=NL
110  dnl AC_ARG_ENABLE(newline,  dnl AC_ARG_ENABLE(newline,
111  dnl               AS_HELP_STRING([--enable-newline=NL],  dnl               AS_HELP_STRING([--enable-newline=NL],
112  dnl                              [use NL as newline (lf, cr, crlf, any; default=lf)]),  dnl                              [use NL as newline (lf, cr, crlf, anycrlf, any; default=lf)]),
113  dnl               , enable_newline=lf)  dnl               , enable_newline=lf)
114    
115  # Separate newline options  # Separate newline options
# Line 87  AC_ARG_ENABLE(newline-is-crlf, Line 126  AC_ARG_ENABLE(newline-is-crlf,
126                AS_HELP_STRING([--enable-newline-is-crlf],                AS_HELP_STRING([--enable-newline-is-crlf],
127                               [use CRLF as newline sequence]),                               [use CRLF as newline sequence]),
128                ac_pcre_newline=crlf)                ac_pcre_newline=crlf)
129    AC_ARG_ENABLE(newline-is-anycrlf,
130                  AS_HELP_STRING([--enable-newline-is-anycrlf],
131                                 [use CR, LF, or CRLF as newline sequence]),
132                  ac_pcre_newline=anycrlf)
133  AC_ARG_ENABLE(newline-is-any,  AC_ARG_ENABLE(newline-is-any,
134                AS_HELP_STRING([--enable-newline-is-any],                AS_HELP_STRING([--enable-newline-is-any],
135                               [use any valid Unicode newline sequence]),                               [use any valid Unicode newline sequence]),
136                ac_pcre_newline=any)                ac_pcre_newline=any)
137  enable_newline="$ac_pcre_newline"  enable_newline="$ac_pcre_newline"
138    
139    # Handle --enable-bsr-anycrlf
140    AC_ARG_ENABLE(bsr-anycrlf,
141                  AS_HELP_STRING([--enable-bsr-anycrlf],
142                                 [\R matches only CR, LF, CRLF by default]),
143                  , enable_bsr_anycrlf=no)
144    
145  # Handle --enable-ebcdic  # Handle --enable-ebcdic
146  AC_ARG_ENABLE(ebcdic,  AC_ARG_ENABLE(ebcdic,
147                AS_HELP_STRING([--enable-ebcdic],                AS_HELP_STRING([--enable-ebcdic],
148                               [assume EBCDIC coding rather than ASCII (implies --enable-rebuild-chartables)]),                               [assume EBCDIC coding rather than ASCII; use this only in (uncommon) EBCDIC environments; it implies --enable-rebuild-chartables]),
149                , enable_ebcdic=no)                , enable_ebcdic=no)
150    
151  # Handle --disable-stack-for-recursion  # Handle --disable-stack-for-recursion
# Line 155  fi Line 204  fi
204    
205  # 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.
206  #  #
207  if test "x$enable_ebcdie" = "xyes"  if test "x$enable_ebcdic" = "xyes"
208  then  then
209    enable_rebuild_chartables=yes    enable_rebuild_chartables=yes
210  fi  fi
211    
212  # Convert the newline identifier into the appropriate integer value.  # Convert the newline identifier into the appropriate integer value.
213  case "$enable_newline" in  case "$enable_newline" in
214    lf)   ac_pcre_newline_value=10   ;;    lf)      ac_pcre_newline_value=10   ;;
215    cr)   ac_pcre_newline_value=13   ;;    cr)      ac_pcre_newline_value=13   ;;
216    crlf) ac_pcre_newline_value=3338 ;;    crlf)    ac_pcre_newline_value=3338 ;;
217    any)  ac_pcre_newline_value=-1   ;;    anycrlf) ac_pcre_newline_value=-2   ;;
218      any)     ac_pcre_newline_value=-1   ;;
219    *)    *)
220    AC_MSG_ERROR([invalid argument \"$enable_newline\" to --enable-newline option])    AC_MSG_ERROR([invalid argument \"$enable_newline\" to --enable-newline option])
221    ;;    ;;
# Line 277  fi Line 327  fi
327    
328  AC_DEFINE_UNQUOTED([NEWLINE], [$ac_pcre_newline_value], [  AC_DEFINE_UNQUOTED([NEWLINE], [$ac_pcre_newline_value], [
329    The value of NEWLINE determines the newline character sequence. On    The value of NEWLINE determines the newline character sequence. On
330    Unix-like systems, "configure" can be used to override the default,    systems that support it, "configure" can be used to override the
331    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),
332    or -1 (ANY).])    3338 (CRLF), -1 (ANY), or -2 (ANYCRLF).])
333    
334    if test "$enable_bsr_anycrlf" = "yes"; then
335      AC_DEFINE([BSR_ANYCRLF], [], [
336        By default, the \R escape sequence matches any Unicode line ending
337        character or sequence of characters. If BSR_ANYCRLF is defined, this is
338        changed so that backslash-R matches only CR, LF, or CRLF. The build-
339        time default can be overridden by the user of PCRE at runtime. On
340        systems that support it, "configure" can be used to override the
341        default.])
342    fi
343    
344  AC_DEFINE_UNQUOTED([LINK_SIZE], [$with_link_size], [  AC_DEFINE_UNQUOTED([LINK_SIZE], [$with_link_size], [
345    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 332  AC_DEFINE([MAX_NAME_COUNT], [10000], [ Line 392  AC_DEFINE([MAX_NAME_COUNT], [10000], [
392    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
393    against integer overflow caused by enormously large patterns.])    against integer overflow caused by enormously large patterns.])
394    
395  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], [  
396  /* 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
397     Win32, and it needs some magic to be inserted before the definition     Win32, and it needs some magic to be inserted before the definition
398     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 347  AH_VERBATIM([PCRE_DATA_SCOPE], [ Line 402  AH_VERBATIM([PCRE_DATA_SCOPE], [
402     every exported function that is part of the external API. It does     every exported function that is part of the external API. It does
403     not appear on functions that are "external" in the C sense, but     not appear on functions that are "external" in the C sense, but
404     which are internal to the library. */     which are internal to the library. */
405  #undef PCRE_DATA_SCOPE])  #undef PCRE_EXP_DEFN])
406    
407  if test "$enable_ebcdic" = "yes"; then  if test "$enable_ebcdic" = "yes"; then
408    AC_DEFINE_UNQUOTED([EBCDIC], [], [    AC_DEFINE_UNQUOTED([EBCDIC], [], [
# Line 388  AC_SUBST(DISTCHECK_CONFIGURE_FLAGS) Line 443  AC_SUBST(DISTCHECK_CONFIGURE_FLAGS)
443  # Produce these files, in addition to config.h.  # Produce these files, in addition to config.h.
444  AC_CONFIG_FILES(  AC_CONFIG_FILES(
445          Makefile          Makefile
         RunGrepTest  
         RunTest  
446          libpcre.pc          libpcre.pc
447          libpcrecpp.pc          libpcrecpp.pc
448          pcre-config          pcre-config
# Line 399  AC_CONFIG_FILES( Line 452  AC_CONFIG_FILES(
452  )  )
453    
454  # Make the generated script files executable.  # Make the generated script files executable.
455  AC_CONFIG_COMMANDS([script-chmod], [chmod a+x RunTest RunGrepTest pcre-config])  AC_CONFIG_COMMANDS([script-chmod], [chmod a+x pcre-config])
   
 AC_OUTPUT  
456    
457  # Make sure that pcre_chartables.c is removed in case the method for  # Make sure that pcre_chartables.c is removed in case the method for
458  # creating it was changed by reconfiguration.  # creating it was changed by reconfiguration.
459    AC_CONFIG_COMMANDS([delete-old-chartables], [rm -f pcre_chartables.c])
460    
461  rm -f pcre_chartables.c  AC_OUTPUT
462    
463  # Print out a nice little message after configure is run displaying your  # Print out a nice little message after configure is run displaying your
464  # chosen options.  # chosen options.
# Line 415  cat < Line 467  cat <
467    
468  $PACKAGE-$VERSION configuration summary:  $PACKAGE-$VERSION configuration summary:
469    
470      Install prefix ......... : ${prefix}      Install prefix ........... : ${prefix}
471      C preprocessor ......... : ${CPP}      C preprocessor ........... : ${CPP}
472      C compiler ............. : ${CC}      C compiler ............... : ${CC}
473      C++ preprocessor ....... : ${CXXCPP}      C++ preprocessor ......... : ${CXXCPP}
474      C++ compiler ........... : ${CXX}      C++ compiler ............. : ${CXX}
475      Linker ................. : ${LD}      Linker ................... : ${LD}
476      C preprocessor flags ... : ${CPPFLAGS}      C preprocessor flags ..... : ${CPPFLAGS}
477      C compiler flags ....... : ${CFLAGS}      C compiler flags ......... : ${CFLAGS}
478      C++ compiler flags ..... : ${CXXFLAGS}      C++ compiler flags ....... : ${CXXFLAGS}
479      Linker flags ........... : ${LDFLAGS}      Linker flags ............. : ${LDFLAGS}
480      Extra libraries ........ : ${LIBS}      Extra libraries .......... : ${LIBS}
481    
482      Build C++ library ...... : ${enable_cpp}      Build C++ library ........ : ${enable_cpp}
483      Enable UTF-8 support ... : ${enable_utf8}      Enable UTF-8 support ..... : ${enable_utf8}
484      Unicode properties ..... : ${enable_unicode_properties}      Unicode properties ....... : ${enable_unicode_properties}
485      Newline char/sequence .. : ${enable_newline}      Newline char/sequence .... : ${enable_newline}
486      EBCDIC coding .......... : ${enable_ebcdic}      \R matches only ANYCRLF .. : ${enable_bsr_anycrlf}
487      Rebuild char tables .... : ${enable_rebuild_chartables}      EBCDIC coding ............ : ${enable_ebcdic}
488      Use stack recursion .... : ${enable_stack_for_recursion}      Rebuild char tables ...... : ${enable_rebuild_chartables}
489      POSIX mem threshold .... : ${with_posix_malloc_threshold}      Use stack recursion ...... : ${enable_stack_for_recursion}
490      Internal link size ..... : ${with_link_size}      POSIX mem threshold ...... : ${with_posix_malloc_threshold}
491      Match limit ............ : ${with_match_limit}      Internal link size ....... : ${with_link_size}
492      Match limit recursion .. : ${with_match_limit_recursion}      Match limit .............. : ${with_match_limit}
493      Build shared libs ...... : ${enable_shared}      Match limit recursion .... : ${with_match_limit_recursion}
494      Build static libs ...... : ${enable_static}      Build shared libs ........ : ${enable_shared}
495        Build static libs ........ : ${enable_static}
496    
497  EOF  EOF
498    

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