/[pcre]/code/trunk/configure.ac
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revision 126 by ph10, Mon Mar 19 10:20:14 2007 UTC revision 228 by ph10, Tue Aug 28 13:37:37 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, [3])
11  m4_define(pcre_prerelease, [-RC2])  m4_define(pcre_prerelease, [])
12  m4_define(pcre_date, [2007-03-19])  m4_define(pcre_date, [2007-08-28])
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 49  AC_ARG_ENABLE(cpp, Line 88  AC_ARG_ENABLE(cpp,
88                               [disable C++ support]),                               [disable C++ support]),
89                , enable_cpp=yes)                , enable_cpp=yes)
90    
91    # Handle --enable-rebuild-chartables
92    AC_ARG_ENABLE(rebuild-chartables,
93                  AS_HELP_STRING([--enable-rebuild-chartables],
94                                 [rebuild character tables in current locale]),
95                  , enable_rebuild_chartables=no)
96    
97  # Handle --enable-utf8 (disabled by default)  # Handle --enable-utf8 (disabled by default)
98  AC_ARG_ENABLE(utf8,  AC_ARG_ENABLE(utf8,
99                AS_HELP_STRING([--enable-utf8],                AS_HELP_STRING([--enable-utf8],
# Line 64  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 81  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]),
# Line 90  enable_newline="$ac_pcre_newline" Line 139  enable_newline="$ac_pcre_newline"
139  # Handle --enable-ebcdic  # Handle --enable-ebcdic
140  AC_ARG_ENABLE(ebcdic,  AC_ARG_ENABLE(ebcdic,
141                AS_HELP_STRING([--enable-ebcdic],                AS_HELP_STRING([--enable-ebcdic],
142                               [assume EBCDIC coding rather than ASCII]),                               [assume EBCDIC coding rather than ASCII; use this only in (uncommon) EBCDIC environments; it implies --enable-rebuild-chartables]),
143                , enable_ebcdic=no)                , enable_ebcdic=no)
144    
145  # Handle --disable-stack-for-recursion  # Handle --disable-stack-for-recursion
# Line 147  then Line 196  then
196    enable_utf8=no    enable_utf8=no
197  fi  fi
198    
199    # Make sure that if enable_ebcdic is set, rebuild_chartables is also enabled.
200    #
201    if test "x$enable_ebcdic" = "xyes"
202    then
203      enable_rebuild_chartables=yes
204    fi
205    
206  # Convert the newline identifier into the appropriate integer value.  # Convert the newline identifier into the appropriate integer value.
207  case "$enable_newline" in  case "$enable_newline" in
208    lf)   ac_pcre_newline_value=10   ;;    lf)      ac_pcre_newline_value=10   ;;
209    cr)   ac_pcre_newline_value=13   ;;    cr)      ac_pcre_newline_value=13   ;;
210    crlf) ac_pcre_newline_value=3338 ;;    crlf)    ac_pcre_newline_value=3338 ;;
211    any)  ac_pcre_newline_value=-1   ;;    anycrlf) ac_pcre_newline_value=-2   ;;
212      any)     ac_pcre_newline_value=-1   ;;
213    *)    *)
214    AC_MSG_ERROR([invalid argument \"$enable_newline\" to --enable-newline option])    AC_MSG_ERROR([invalid argument \"$enable_newline\" to --enable-newline option])
215    ;;    ;;
# Line 193  then Line 250  then
250  AC_LANG_PUSH(C++)  AC_LANG_PUSH(C++)
251    
252  # We could be more clever here, given we're doing AC_SUBST with this  # We could be more clever here, given we're doing AC_SUBST with this
253  # (eg set a var to be the name of the include file we want).  But we're not  # (eg set a var to be the name of the include file we want). But we're not
254  # so it's easy to change back to 'regular' autoconf vars if we needed to.  # so it's easy to change back to 'regular' autoconf vars if we needed to.
255  AC_CHECK_HEADERS(string, [pcre_have_cpp_headers="1"],  AC_CHECK_HEADERS(string, [pcre_have_cpp_headers="1"],
256                           [pcre_have_cpp_headers="0"])                           [pcre_have_cpp_headers="0"])
# Line 209  AC_SUBST(pcre_have_bits_type_traits) Line 266  AC_SUBST(pcre_have_bits_type_traits)
266    
267  # Conditional compilation  # Conditional compilation
268  AM_CONDITIONAL(WITH_PCRE_CPP, test "x$enable_cpp" = "xyes")  AM_CONDITIONAL(WITH_PCRE_CPP, test "x$enable_cpp" = "xyes")
269    AM_CONDITIONAL(WITH_REBUILD_CHARTABLES, test "x$enable_rebuild_chartables" = "xyes")
270    
271  # Checks for typedefs, structures, and compiler characteristics.  # Checks for typedefs, structures, and compiler characteristics.
272    
# Line 251  fi Line 309  fi
309  if test "$enable_stack_for_recursion" = "no"; then  if test "$enable_stack_for_recursion" = "no"; then
310    AC_DEFINE([NO_RECURSE], [], [    AC_DEFINE([NO_RECURSE], [], [
311      PCRE uses recursive function calls to handle backtracking while      PCRE uses recursive function calls to handle backtracking while
312      matching.  This can sometimes be a problem on systems that have      matching. This can sometimes be a problem on systems that have
313      stacks of limited size. Define NO_RECURSE to get a version that      stacks of limited size. Define NO_RECURSE to get a version that
314      doesn't use recursion in the match() function; instead it creates      doesn't use recursion in the match() function; instead it creates
315      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 265  AC_DEFINE_UNQUOTED([NEWLINE], [$ac_pcre_ Line 323  AC_DEFINE_UNQUOTED([NEWLINE], [$ac_pcre_
323    The value of NEWLINE determines the newline character sequence. On    The value of NEWLINE determines the newline character sequence. On
324    Unix-like systems, "configure" can be used to override the default,    Unix-like systems, "configure" can be used to override the default,
325    which is 10. The possible values are 10 (LF), 13 (CR), 3338 (CRLF),    which is 10. The possible values are 10 (LF), 13 (CR), 3338 (CRLF),
326    or -1 (ANY).])    -1 (ANY), or -2 (ANYCRLF).])
327    
328  AC_DEFINE_UNQUOTED([LINK_SIZE], [$with_link_size], [  AC_DEFINE_UNQUOTED([LINK_SIZE], [$with_link_size], [
329    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 376  AC_DEFINE([MAX_NAME_COUNT], [10000], [
376    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
377    against integer overflow caused by enormously large patterns.])    against integer overflow caused by enormously large patterns.])
378    
379  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], [  
380  /* 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
381     Win32, and it needs some magic to be inserted before the definition     Win32, and it needs some magic to be inserted before the definition
382     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 386  AH_VERBATIM([PCRE_DATA_SCOPE], [
386     every exported function that is part of the external API. It does     every exported function that is part of the external API. It does
387     not appear on functions that are "external" in the C sense, but     not appear on functions that are "external" in the C sense, but
388     which are internal to the library. */     which are internal to the library. */
389  #undef PCRE_DATA_SCOPE])  #undef PCRE_EXP_DEFN])
390    
391  if test "$enable_ebcdic" = "yes"; then  if test "$enable_ebcdic" = "yes"; then
392    AC_DEFINE_UNQUOTED([EBCDIC], [], [    AC_DEFINE_UNQUOTED([EBCDIC], [], [
# Line 374  AC_SUBST(DISTCHECK_CONFIGURE_FLAGS) Line 427  AC_SUBST(DISTCHECK_CONFIGURE_FLAGS)
427  # Produce these files, in addition to config.h.  # Produce these files, in addition to config.h.
428  AC_CONFIG_FILES(  AC_CONFIG_FILES(
429          Makefile          Makefile
         RunGrepTest  
         RunTest  
430          libpcre.pc          libpcre.pc
431          libpcrecpp.pc          libpcrecpp.pc
432          pcre-config          pcre-config
# Line 385  AC_CONFIG_FILES( Line 436  AC_CONFIG_FILES(
436  )  )
437    
438  # Make the generated script files executable.  # Make the generated script files executable.
439  AC_CONFIG_COMMANDS([script-chmod], [chmod a+x RunTest RunGrepTest pcre-config])  AC_CONFIG_COMMANDS([script-chmod], [chmod a+x pcre-config])
440    
441    # Make sure that pcre_chartables.c is removed in case the method for
442    # creating it was changed by reconfiguration.
443    AC_CONFIG_COMMANDS([delete-old-chartables], [rm -f pcre_chartables.c])
444    
445  AC_OUTPUT  AC_OUTPUT
446    
# Line 413  $PACKAGE-$VERSION configuration summary: Line 468  $PACKAGE-$VERSION configuration summary:
468      Unicode properties ..... : ${enable_unicode_properties}      Unicode properties ..... : ${enable_unicode_properties}
469      Newline char/sequence .. : ${enable_newline}      Newline char/sequence .. : ${enable_newline}
470      EBCDIC coding .......... : ${enable_ebcdic}      EBCDIC coding .......... : ${enable_ebcdic}
471        Rebuild char tables .... : ${enable_rebuild_chartables}
472      Use stack recursion .... : ${enable_stack_for_recursion}      Use stack recursion .... : ${enable_stack_for_recursion}
473      POSIX mem threshold .... : ${with_posix_malloc_threshold}      POSIX mem threshold .... : ${with_posix_malloc_threshold}
474      Internal link size ..... : ${with_link_size}      Internal link size ..... : ${with_link_size}

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