/[pcre]/code/trunk/configure.ac
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revision 99 by ph10, Tue Mar 6 12:27:42 2007 UTC revision 145 by ph10, Wed Apr 4 14:06:52 2007 UTC
# Line 8  dnl empty. Line 8  dnl empty.
8    
9  m4_define(pcre_major, [7])  m4_define(pcre_major, [7])
10  m4_define(pcre_minor, [1])  m4_define(pcre_minor, [1])
11  m4_define(pcre_prerelease, [-RC1])  m4_define(pcre_prerelease, [-RC4])
12  m4_define(pcre_date, [2007-03-05])  m4_define(pcre_date, [2007-04-04])
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 26  AC_PROG_CXX Line 26  AC_PROG_CXX
26  AC_PROG_INSTALL  AC_PROG_INSTALL
27  AC_LIBTOOL_WIN32_DLL  AC_LIBTOOL_WIN32_DLL
28  AC_PROG_LIBTOOL  AC_PROG_LIBTOOL
29    AC_PROG_LN_S
30    
31  PCRE_MAJOR="pcre_major"  PCRE_MAJOR="pcre_major"
32  PCRE_MINOR="pcre_minor"  PCRE_MINOR="pcre_minor"
# Line 49  AC_ARG_ENABLE(cpp, Line 50  AC_ARG_ENABLE(cpp,
50                               [disable C++ support]),                               [disable C++ support]),
51                , enable_cpp=yes)                , enable_cpp=yes)
52    
53    # Handle --enable-rebuild-chartables
54    AC_ARG_ENABLE(rebuild-chartables,
55                  AS_HELP_STRING([--enable-rebuild-chartables],
56                                 [rebuild character tables in current locale]),
57                  , enable_rebuild_chartables=no)
58    
59  # Handle --enable-utf8 (disabled by default)  # Handle --enable-utf8 (disabled by default)
60  AC_ARG_ENABLE(utf8,  AC_ARG_ENABLE(utf8,
61                AS_HELP_STRING([--enable-utf8],                AS_HELP_STRING([--enable-utf8],
# Line 90  enable_newline="$ac_pcre_newline" Line 97  enable_newline="$ac_pcre_newline"
97  # Handle --enable-ebcdic  # Handle --enable-ebcdic
98  AC_ARG_ENABLE(ebcdic,  AC_ARG_ENABLE(ebcdic,
99                AS_HELP_STRING([--enable-ebcdic],                AS_HELP_STRING([--enable-ebcdic],
100                               [assume EBCDIC coding rather than ASCII]),                               [assume EBCDIC coding rather than ASCII (implies --enable-rebuild-chartables)]),
101                , enable_ebcdic=no)                , enable_ebcdic=no)
102    
103  # Handle --disable-stack-for-recursion  # Handle --disable-stack-for-recursion
# Line 147  then Line 154  then
154    enable_utf8=no    enable_utf8=no
155  fi  fi
156    
157    # Make sure that if enable_ebcdic is set, rebuild_chartables is also enabled.
158    #
159    if test "x$enable_ebcdic" = "xyes"
160    then
161      enable_rebuild_chartables=yes
162    fi
163    
164  # Convert the newline identifier into the appropriate integer value.  # Convert the newline identifier into the appropriate integer value.
165  case "$enable_newline" in  case "$enable_newline" in
166    lf)   ac_pcre_newline_value=10   ;;    lf)   ac_pcre_newline_value=10   ;;
# Line 167  case "$with_link_size" in Line 181  case "$with_link_size" in
181  esac  esac
182    
183  AH_TOP([  AH_TOP([
184  /* On Unix-like systems config.in is converted by "configure" into  /* On Unix-like systems config.h.in is converted by "configure" into config.h.
185  config.h.  Some other environments also support the use of "configure".  Some other environments also support the use of "configure". PCRE is written in
186  PCRE is written in Standard C, but there are a few non-standard things  Standard C, but there are a few non-standard things it can cope with, allowing
187  it can cope with, allowing it to run on SunOS4 and other "close to  it to run on SunOS4 and other "close to standard" systems.
188  standard" systems.  
189    If you are going to build PCRE "by hand" on a system without "configure" you
190  On a non-Unix-like system you should just copy this file into config.h,  should copy the distributed config.h.generic to config.h, and then set up the
191  and set up the macros the way you need them.  You should normally change  macros the way you need them. Alternatively, you can avoid editing by using -D
192  the definitions of HAVE_STRERROR and HAVE_MEMMOVE to 1.  Unfortunately,  on the compiler command line to set the macro values.
193  because of the way autoconf works, these cannot be made the defaults.  
194  If your system has bcopy() and not memmove(), change the definition of  PCRE uses memmove() if HAVE_MEMMOVE is set to 1; otherwise it uses bcopy() if
195  HAVE_BCOPY instead of HAVE_MEMMOVE.  If your system has neither bcopy()  HAVE_BCOPY is set to 1. If your system has neither bcopy() nor memmove(), set
196  nor memmove(), leave them both as 0; an emulation function will be  them both to 0; an emulation function will be used. */])
 used. */])  
197    
198  # Checks for header files.  # Checks for header files.
199  AC_HEADER_STDC  AC_HEADER_STDC
# Line 194  then Line 207  then
207  AC_LANG_PUSH(C++)  AC_LANG_PUSH(C++)
208    
209  # 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
210  # (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
211  # 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.
212  AC_CHECK_HEADERS(string, [pcre_have_cpp_headers="1"],  AC_CHECK_HEADERS(string, [pcre_have_cpp_headers="1"],
213                           [pcre_have_cpp_headers="0"])                           [pcre_have_cpp_headers="0"])
# Line 210  AC_SUBST(pcre_have_bits_type_traits) Line 223  AC_SUBST(pcre_have_bits_type_traits)
223    
224  # Conditional compilation  # Conditional compilation
225  AM_CONDITIONAL(WITH_PCRE_CPP, test "x$enable_cpp" = "xyes")  AM_CONDITIONAL(WITH_PCRE_CPP, test "x$enable_cpp" = "xyes")
226    AM_CONDITIONAL(WITH_REBUILD_CHARTABLES, test "x$enable_rebuild_chartables" = "xyes")
227    
228  # Checks for typedefs, structures, and compiler characteristics.  # Checks for typedefs, structures, and compiler characteristics.
229    
# Line 252  fi Line 266  fi
266  if test "$enable_stack_for_recursion" = "no"; then  if test "$enable_stack_for_recursion" = "no"; then
267    AC_DEFINE([NO_RECURSE], [], [    AC_DEFINE([NO_RECURSE], [], [
268      PCRE uses recursive function calls to handle backtracking while      PCRE uses recursive function calls to handle backtracking while
269      matching.  This can sometimes be a problem on systems that have      matching. This can sometimes be a problem on systems that have
270      stacks of limited size.  Define NO_RECURSE to get a version that      stacks of limited size. Define NO_RECURSE to get a version that
271      doesn't use recursion in the match() function; instead it creates      doesn't use recursion in the match() function; instead it creates
272      its own stack by steam using pcre_recurse_malloc() to obtain memory      its own stack by steam using pcre_recurse_malloc() to obtain memory
273      from the heap. For more detail, see the comments and other stuff      from the heap. For more detail, see the comments and other stuff
# Line 263  if test "$enable_stack_for_recursion" = Line 277  if test "$enable_stack_for_recursion" =
277  fi  fi
278    
279  AC_DEFINE_UNQUOTED([NEWLINE], [$ac_pcre_newline_value], [  AC_DEFINE_UNQUOTED([NEWLINE], [$ac_pcre_newline_value], [
280    The value of NEWLINE determines the newline character. The default is    The value of NEWLINE determines the newline character sequence. On
281    to leave it up to the compiler, but some sites want to force a    Unix-like systems, "configure" can be used to override the default,
282    particular value.  On Unix-like systems, "configure" can be used to    which is 10. The possible values are 10 (LF), 13 (CR), 3338 (CRLF),
283    override this default.])    or -1 (ANY).])
284    
285  AC_DEFINE_UNQUOTED([LINK_SIZE], [$with_link_size], [  AC_DEFINE_UNQUOTED([LINK_SIZE], [$with_link_size], [
286    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 290  AC_DEFINE_UNQUOTED([POSIX_MALLOC_THRESHO Line 304  AC_DEFINE_UNQUOTED([POSIX_MALLOC_THRESHO
304  AC_DEFINE_UNQUOTED([MATCH_LIMIT], [$with_match_limit], [  AC_DEFINE_UNQUOTED([MATCH_LIMIT], [$with_match_limit], [
305    The value of MATCH_LIMIT determines the default number of times the    The value of MATCH_LIMIT determines the default number of times the
306    internal match() function can be called during a single execution of    internal match() function can be called during a single execution of
307    pcre_exec().  There is a runtime interface for setting a different    pcre_exec(). There is a runtime interface for setting a different
308    limit. The limit exists in order to catch runaway regular    limit. The limit exists in order to catch runaway regular
309    expressions that take for ever to determine that they do not match.    expressions that take for ever to determine that they do not match.
310    The default is set very large so that it does not accidentally catch    The default is set very large so that it does not accidentally catch
# Line 305  AC_DEFINE_UNQUOTED([MATCH_LIMIT_RECURSIO Line 319  AC_DEFINE_UNQUOTED([MATCH_LIMIT_RECURSIO
319    NO_RECURSE is defined) that is used. The value of    NO_RECURSE is defined) that is used. The value of
320    MATCH_LIMIT_RECURSION applies only to recursive calls of match(). To    MATCH_LIMIT_RECURSION applies only to recursive calls of match(). To
321    have any useful effect, it must be less than the value of    have any useful effect, it must be less than the value of
322    MATCH_LIMIT. There is a runtime method for setting a different    MATCH_LIMIT. The default is to use the same value as MATCH_LIMIT.
323    limit. On systems that support it, "configure" can be used to    There is a runtime method for setting a different limit. On systems
324    override this default default.])    that support it, "configure" can be used to override the default.])
325    
326  AC_DEFINE([MAX_NAME_SIZE], [32], [  AC_DEFINE([MAX_NAME_SIZE], [32], [
327    This limit is parameterized just in case anybody ever wants to    This limit is parameterized just in case anybody ever wants to
# Line 324  AC_DEFINE([MAX_DUPLENGTH], [30000], [ Line 338  AC_DEFINE([MAX_DUPLENGTH], [30000], [
338    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
339    against integer overflow caused by enormously large patterns.])    against integer overflow caused by enormously large patterns.])
340    
341  AH_VERBATIM([PCRE_DATA_SCOPE], [  AH_VERBATIM([PCRE_EXP_DEFN], [
342  /* 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
343     Win32, and it needs some magic to be inserted before the definition     Win32, and it needs some magic to be inserted before the definition
344     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 334  AH_VERBATIM([PCRE_DATA_SCOPE], [ Line 348  AH_VERBATIM([PCRE_DATA_SCOPE], [
348     every exported function that is part of the external API. It does     every exported function that is part of the external API. It does
349     not appear on functions that are "external" in the C sense, but     not appear on functions that are "external" in the C sense, but
350     which are internal to the library. */     which are internal to the library. */
351  #undef PCRE_DATA_SCOPE])  #undef PCRE_EXP_DEFN])
352    
353  if test "$enable_ebcdic" = "yes"; then  if test "$enable_ebcdic" = "yes"; then
354    AC_DEFINE_UNQUOTED([EBCDIC], [], [    AC_DEFINE_UNQUOTED([EBCDIC], [], [
# Line 343  if test "$enable_ebcdic" = "yes"; then Line 357  if test "$enable_ebcdic" = "yes"; then
357      "configure", this can be done via --enable-ebcdic.])      "configure", this can be done via --enable-ebcdic.])
358  fi  fi
359    
 # Here is where pcre specific substs are handled  
 # These 3 are only used by RunTest.in.  
 # TODO: remove once RunTest uses pcretest -C instead.  
 AC_SUBST(LINK_SIZE, $with_link_size)  
 AC_SUBST(UTF8, $enable_utf8)  
 AC_SUBST(UCP, $enable_unicode_properties)  
   
360  # Platform specific issues  # Platform specific issues
361  NO_UNDEFINED=  NO_UNDEFINED=
362  EXPORT_ALL_SYMBOLS=  EXPORT_ALL_SYMBOLS=
# Line 382  AC_SUBST(DISTCHECK_CONFIGURE_FLAGS) Line 389  AC_SUBST(DISTCHECK_CONFIGURE_FLAGS)
389  # Produce these files, in addition to config.h.  # Produce these files, in addition to config.h.
390  AC_CONFIG_FILES(  AC_CONFIG_FILES(
391          Makefile          Makefile
         RunGrepTest  
         RunTest  
392          libpcre.pc          libpcre.pc
393          libpcrecpp.pc          libpcrecpp.pc
394          pcre-config          pcre-config
# Line 393  AC_CONFIG_FILES( Line 398  AC_CONFIG_FILES(
398  )  )
399    
400  # Make the generated script files executable.  # Make the generated script files executable.
401  AC_CONFIG_COMMANDS([script-chmod], [chmod a+x RunTest RunGrepTest pcre-config])  AC_CONFIG_COMMANDS([script-chmod], [chmod a+x pcre-config])
402    
403    # Make sure that pcre_chartables.c is removed in case the method for
404    # creating it was changed by reconfiguration.
405    AC_CONFIG_COMMANDS([delete-old-chartables], [rm -f pcre_chartables.c])
406    
407  AC_OUTPUT  AC_OUTPUT
408    
# Line 421  $PACKAGE-$VERSION configuration summary: Line 430  $PACKAGE-$VERSION configuration summary:
430      Unicode properties ..... : ${enable_unicode_properties}      Unicode properties ..... : ${enable_unicode_properties}
431      Newline char/sequence .. : ${enable_newline}      Newline char/sequence .. : ${enable_newline}
432      EBCDIC coding .......... : ${enable_ebcdic}      EBCDIC coding .......... : ${enable_ebcdic}
433        Rebuild char tables .... : ${enable_rebuild_chartables}
434      Use stack recursion .... : ${enable_stack_for_recursion}      Use stack recursion .... : ${enable_stack_for_recursion}
435      POSIX mem threshold .... : ${with_posix_malloc_threshold}      POSIX mem threshold .... : ${with_posix_malloc_threshold}
436      Internal link size ..... : ${with_link_size}      Internal link size ..... : ${with_link_size}
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