1083 lines
		
	
	
		
			39 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			1083 lines
		
	
	
		
			39 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| dnl Process this file with autoconf to produce a configure script.
 | |
| 
 | |
| dnl NOTE FOR MAINTAINERS: Do not use minor version numbers 08 or 09 because
 | |
| dnl the leading zeros may cause them to be treated as invalid octal constants
 | |
| dnl if a PCRE user writes code that uses PCRE_MINOR as a number. There is now
 | |
| dnl a check further down that throws an error if 08 or 09 are used.
 | |
| 
 | |
| dnl The PCRE_PRERELEASE feature is for identifying release candidates. It might
 | |
| dnl be defined as -RC2, for example. For real releases, it should be empty.
 | |
| 
 | |
| m4_define(pcre_major, [8])
 | |
| m4_define(pcre_minor, [32])
 | |
| m4_define(pcre_prerelease, [])
 | |
| m4_define(pcre_date, [2012-11-30])
 | |
| 
 | |
| # NOTE: The CMakeLists.txt file searches for the above variables in the first
 | |
| # 50 lines of this file. Please update that if the variables above are moved.
 | |
| 
 | |
| # Libtool shared library interface versions (current:revision:age)
 | |
| m4_define(libpcre_version, [3:0:2])
 | |
| m4_define(libpcre16_version, [2:0:2])
 | |
| m4_define(libpcre32_version, [0:0:0])
 | |
| m4_define(libpcreposix_version, [0:1:0])
 | |
| m4_define(libpcrecpp_version, [0:0:0])
 | |
| 
 | |
| AC_PREREQ(2.57)
 | |
| AC_INIT(PCRE, pcre_major.pcre_minor[]pcre_prerelease, , pcre)
 | |
| AC_CONFIG_SRCDIR([pcre.h.in])
 | |
| AM_INIT_AUTOMAKE([dist-bzip2 dist-zip])
 | |
| m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 | |
| AC_CONFIG_HEADERS(config.h)
 | |
| 
 | |
| # This was added at the suggestion of libtoolize (03-Jan-10)
 | |
| AC_CONFIG_MACRO_DIR([m4])
 | |
| 
 | |
| # The default CFLAGS and CXXFLAGS in Autoconf are "-g -O2" for gcc and just
 | |
| # "-g" for any other compiler. There doesn't seem to be a standard way of
 | |
| # getting rid of the -g (which I don't think is needed for a production
 | |
| # library). This fudge seems to achieve the necessary. First, we remember the
 | |
| # externally set values of CFLAGS and CXXFLAGS. Then call the AC_PROG_CC and
 | |
| # AC_PROG_CXX macros to find the compilers - if CFLAGS and CXXFLAGS are not
 | |
| # set, they will be set to Autoconf's defaults. Afterwards, if the original
 | |
| # values were not set, remove the -g from the Autoconf defaults.
 | |
| # (PH 02-May-07)
 | |
| 
 | |
| remember_set_CFLAGS="$CFLAGS"
 | |
| remember_set_CXXFLAGS="$CXXFLAGS"
 | |
| 
 | |
| AC_PROG_CC
 | |
| AC_PROG_CXX
 | |
| AM_PROG_CC_C_O
 | |
| 
 | |
| if test "x$remember_set_CFLAGS" = "x"
 | |
| then
 | |
|   if test "$CFLAGS" = "-g -O2"
 | |
|   then
 | |
|     CFLAGS="-O2"
 | |
|   elif test "$CFLAGS" = "-g"
 | |
|   then
 | |
|     CFLAGS=""
 | |
|   fi
 | |
| fi
 | |
| 
 | |
| if test "x$remember_set_CXXFLAGS" = "x"
 | |
| then
 | |
|   if test "$CXXFLAGS" = "-g -O2"
 | |
|   then
 | |
|     CXXFLAGS="-O2"
 | |
|   elif test "$CXXFLAGS" = "-g"
 | |
|   then
 | |
|     CXXFLAGS=""
 | |
|   fi
 | |
| fi
 | |
| 
 | |
| # AC_PROG_CXX will return "g++" even if no c++ compiler is installed.
 | |
| # Check for that case, and just disable c++ code if g++ doesn't run.
 | |
| AC_LANG_PUSH(C++)
 | |
| AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],, CXX=""; CXXCP=""; CXXFLAGS="")
 | |
| AC_LANG_POP
 | |
| 
 | |
| # Check for a 64-bit integer type
 | |
| AC_TYPE_INT64_T
 | |
| 
 | |
| AC_PROG_INSTALL
 | |
| AC_LIBTOOL_WIN32_DLL
 | |
| LT_INIT
 | |
| AC_PROG_LN_S
 | |
| 
 | |
| # Check for GCC visibility feature
 | |
| 
 | |
| PCRE_VISIBILITY
 | |
| 
 | |
| # Versioning
 | |
| 
 | |
| PCRE_MAJOR="pcre_major"
 | |
| PCRE_MINOR="pcre_minor"
 | |
| PCRE_PRERELEASE="pcre_prerelease"
 | |
| PCRE_DATE="pcre_date"
 | |
| 
 | |
| if test "$PCRE_MINOR" = "08" -o "$PCRE_MINOR" = "09"
 | |
| then
 | |
|   echo "***"
 | |
|   echo "*** Minor version number $PCRE_MINOR must not be used. ***"
 | |
|   echo "*** Use only 01 to 07 or 10 onwards, to avoid octal issues. ***"
 | |
|   echo "***"
 | |
|   exit 1
 | |
| fi
 | |
| 
 | |
| AC_SUBST(PCRE_MAJOR)
 | |
| AC_SUBST(PCRE_MINOR)
 | |
| AC_SUBST(PCRE_PRERELEASE)
 | |
| AC_SUBST(PCRE_DATE)
 | |
| 
 | |
| # Set a more sensible default value for $(htmldir).
 | |
| if test "x$htmldir" = 'x${docdir}'
 | |
| then
 | |
|   htmldir='${docdir}/html'
 | |
| fi
 | |
| 
 | |
| # Handle --disable-pcre8 (enabled by default)
 | |
| AC_ARG_ENABLE(pcre8,
 | |
|               AS_HELP_STRING([--disable-pcre8],
 | |
|                              [disable 8 bit character support]),
 | |
|               , enable_pcre8=unset)
 | |
| AC_SUBST(enable_pcre8)
 | |
| 
 | |
| # Handle --enable-pcre16 (disabled by default)
 | |
| AC_ARG_ENABLE(pcre16,
 | |
|               AS_HELP_STRING([--enable-pcre16],
 | |
|                              [enable 16 bit character support]),
 | |
|               , enable_pcre16=unset)
 | |
| AC_SUBST(enable_pcre16)
 | |
| 
 | |
| # Handle --enable-pcre32 (disabled by default)
 | |
| AC_ARG_ENABLE(pcre32,
 | |
|               AS_HELP_STRING([--enable-pcre32],
 | |
|                              [enable 32 bit character support]),
 | |
|               , enable_pcre32=unset)
 | |
| AC_SUBST(enable_pcre32)
 | |
| 
 | |
| # Handle --disable-cpp. The substitution of enable_cpp is needed for use in
 | |
| # pcre-config.
 | |
| AC_ARG_ENABLE(cpp,
 | |
|               AS_HELP_STRING([--disable-cpp],
 | |
|                              [disable C++ support]),
 | |
|               , enable_cpp=unset)
 | |
| AC_SUBST(enable_cpp)
 | |
| 
 | |
| # Handle --enable-jit (disabled by default)
 | |
| AC_ARG_ENABLE(jit,
 | |
|               AS_HELP_STRING([--enable-jit],
 | |
|                              [enable Just-In-Time compiling support]),
 | |
|               , enable_jit=no)
 | |
| 
 | |
| # Handle --disable-pcregrep-jit (enabled by default)
 | |
| AC_ARG_ENABLE(pcregrep-jit,
 | |
|               AS_HELP_STRING([--disable-pcregrep-jit],
 | |
|                              [disable JIT support in pcregrep]),
 | |
|               , enable_pcregrep_jit=yes)
 | |
| 
 | |
| # Handle --enable-rebuild-chartables
 | |
| AC_ARG_ENABLE(rebuild-chartables,
 | |
|               AS_HELP_STRING([--enable-rebuild-chartables],
 | |
|                              [rebuild character tables in current locale]),
 | |
|               , enable_rebuild_chartables=no)
 | |
| 
 | |
| # Handle --enable-utf8 (disabled by default)
 | |
| AC_ARG_ENABLE(utf8,
 | |
|               AS_HELP_STRING([--enable-utf8],
 | |
|                              [another name for --enable-utf. Kept only for compatibility reasons]),
 | |
|               , enable_utf8=unset)
 | |
| 
 | |
| # Handle --enable-utf (disabled by default)
 | |
| AC_ARG_ENABLE(utf,
 | |
|               AS_HELP_STRING([--enable-utf],
 | |
|                              [enable UTF-8/16/32 support (incompatible with --enable-ebcdic)]),
 | |
|               , enable_utf=unset)
 | |
| 
 | |
| # Handle --enable-unicode-properties
 | |
| AC_ARG_ENABLE(unicode-properties,
 | |
|               AS_HELP_STRING([--enable-unicode-properties],
 | |
|                              [enable Unicode properties support (implies --enable-utf)]),
 | |
|               , enable_unicode_properties=no)
 | |
| 
 | |
| # Handle newline options
 | |
| ac_pcre_newline=lf
 | |
| AC_ARG_ENABLE(newline-is-cr,
 | |
|               AS_HELP_STRING([--enable-newline-is-cr],
 | |
|                              [use CR as newline character]),
 | |
|               ac_pcre_newline=cr)
 | |
| AC_ARG_ENABLE(newline-is-lf,
 | |
|               AS_HELP_STRING([--enable-newline-is-lf],
 | |
|                              [use LF as newline character (default)]),
 | |
|               ac_pcre_newline=lf)
 | |
| AC_ARG_ENABLE(newline-is-crlf,
 | |
|               AS_HELP_STRING([--enable-newline-is-crlf],
 | |
|                              [use CRLF as newline sequence]),
 | |
|               ac_pcre_newline=crlf)
 | |
| AC_ARG_ENABLE(newline-is-anycrlf,
 | |
|               AS_HELP_STRING([--enable-newline-is-anycrlf],
 | |
|                              [use CR, LF, or CRLF as newline sequence]),
 | |
|               ac_pcre_newline=anycrlf)
 | |
| AC_ARG_ENABLE(newline-is-any,
 | |
|               AS_HELP_STRING([--enable-newline-is-any],
 | |
|                              [use any valid Unicode newline sequence]),
 | |
|               ac_pcre_newline=any)
 | |
| enable_newline="$ac_pcre_newline"
 | |
| 
 | |
| # Handle --enable-bsr-anycrlf
 | |
| AC_ARG_ENABLE(bsr-anycrlf,
 | |
|               AS_HELP_STRING([--enable-bsr-anycrlf],
 | |
|                              [\R matches only CR, LF, CRLF by default]),
 | |
|               , enable_bsr_anycrlf=no)
 | |
| 
 | |
| # Handle --enable-ebcdic
 | |
| AC_ARG_ENABLE(ebcdic,
 | |
|               AS_HELP_STRING([--enable-ebcdic],
 | |
|                              [assume EBCDIC coding rather than ASCII; incompatible with --enable-utf; use only in (uncommon) EBCDIC environments; it implies --enable-rebuild-chartables]),
 | |
|               , enable_ebcdic=no)
 | |
| 
 | |
| # Handle --enable-ebcdic-nl25
 | |
| AC_ARG_ENABLE(ebcdic-nl25,
 | |
|               AS_HELP_STRING([--enable-ebcdic-nl25],
 | |
|                              [set EBCDIC code for NL to 0x25 instead of 0x15; it implies --enable-ebcdic]),
 | |
|               , enable_ebcdic_nl25=no)
 | |
| 
 | |
| # Handle --disable-stack-for-recursion
 | |
| AC_ARG_ENABLE(stack-for-recursion,
 | |
|               AS_HELP_STRING([--disable-stack-for-recursion],
 | |
|                              [don't use stack recursion when matching]),
 | |
|               , enable_stack_for_recursion=yes)
 | |
| 
 | |
| # Handle --enable-pcregrep-libz
 | |
| AC_ARG_ENABLE(pcregrep-libz,
 | |
|               AS_HELP_STRING([--enable-pcregrep-libz],
 | |
|                              [link pcregrep with libz to handle .gz files]),
 | |
|               , enable_pcregrep_libz=no)
 | |
| 
 | |
| # Handle --enable-pcregrep-libbz2
 | |
| AC_ARG_ENABLE(pcregrep-libbz2,
 | |
|               AS_HELP_STRING([--enable-pcregrep-libbz2],
 | |
|                              [link pcregrep with libbz2 to handle .bz2 files]),
 | |
|               , enable_pcregrep_libbz2=no)
 | |
| 
 | |
| # Handle --with-pcregrep-bufsize=N
 | |
| AC_ARG_WITH(pcregrep-bufsize,
 | |
|               AS_HELP_STRING([--with-pcregrep-bufsize=N],
 | |
|                              [pcregrep buffer size (default=20480)]),
 | |
|               , with_pcregrep_bufsize=20480)
 | |
| 
 | |
| # Handle --enable-pcretest-libedit
 | |
| AC_ARG_ENABLE(pcretest-libedit,
 | |
|               AS_HELP_STRING([--enable-pcretest-libedit],
 | |
|                              [link pcretest with libedit]),
 | |
|               , enable_pcretest_libedit=no)
 | |
| 
 | |
| # Handle --enable-pcretest-libreadline
 | |
| AC_ARG_ENABLE(pcretest-libreadline,
 | |
|               AS_HELP_STRING([--enable-pcretest-libreadline],
 | |
|                              [link pcretest with libreadline]),
 | |
|               , enable_pcretest_libreadline=no)
 | |
| 
 | |
| # Handle --with-posix-malloc-threshold=NBYTES
 | |
| AC_ARG_WITH(posix-malloc-threshold,
 | |
|             AS_HELP_STRING([--with-posix-malloc-threshold=NBYTES],
 | |
|                            [threshold for POSIX malloc usage (default=10)]),
 | |
|             , with_posix_malloc_threshold=10)
 | |
| 
 | |
| # Handle --with-link-size=N
 | |
| AC_ARG_WITH(link-size,
 | |
|             AS_HELP_STRING([--with-link-size=N],
 | |
|                            [internal link size (2, 3, or 4 allowed; default=2)]),
 | |
|             , with_link_size=2)
 | |
| 
 | |
| # Handle --with-match-limit=N
 | |
| AC_ARG_WITH(match-limit,
 | |
|             AS_HELP_STRING([--with-match-limit=N],
 | |
|                            [default limit on internal looping (default=10000000)]),
 | |
|             , with_match_limit=10000000)
 | |
| 
 | |
| # Handle --with-match-limit_recursion=N
 | |
| #
 | |
| # Note: In config.h, the default is to define MATCH_LIMIT_RECURSION
 | |
| # symbolically as MATCH_LIMIT, which in turn is defined to be some numeric
 | |
| # value (e.g. 10000000). MATCH_LIMIT_RECURSION can otherwise be set to some
 | |
| # different numeric value (or even the same numeric value as MATCH_LIMIT,
 | |
| # though no longer defined in terms of the latter).
 | |
| #
 | |
| AC_ARG_WITH(match-limit-recursion,
 | |
|             AS_HELP_STRING([--with-match-limit-recursion=N],
 | |
|                            [default limit on internal recursion (default=MATCH_LIMIT)]),
 | |
|             , with_match_limit_recursion=MATCH_LIMIT)
 | |
| 
 | |
| # Handle --enable-valgrind
 | |
| AC_ARG_ENABLE(valgrind,
 | |
|               AS_HELP_STRING([--enable-valgrind],
 | |
|                              [valgrind support]),
 | |
|               , enable_valgrind=no)
 | |
| 
 | |
| # Enable code coverage reports using gcov
 | |
| AC_ARG_ENABLE(coverage,
 | |
|               AS_HELP_STRING([--enable-coverage],
 | |
|                              [enable code coverage reports using gcov]),
 | |
|               , enable_coverage=no)
 | |
| 
 | |
| # Copy enable_utf8 value to enable_utf for compatibility reasons
 | |
| if test "x$enable_utf8" != "xunset"
 | |
| then
 | |
|   if test "x$enable_utf" != "xunset"
 | |
|   then
 | |
|     AC_MSG_ERROR([--enable/disable-utf8 is kept only for compatibility reasons and its value is copied to --enable/disable-utf. Newer code must use --enable/disable-utf alone.])
 | |
|   fi
 | |
|   enable_utf=$enable_utf8
 | |
| fi
 | |
| 
 | |
| # Set the default value for pcre8
 | |
| if test "x$enable_pcre8" = "xunset"
 | |
| then
 | |
|   enable_pcre8=yes
 | |
| fi
 | |
| 
 | |
| # Set the default value for pcre16
 | |
| if test "x$enable_pcre16" = "xunset"
 | |
| then
 | |
|   enable_pcre16=no
 | |
| fi
 | |
| 
 | |
| # Set the default value for pcre32
 | |
| if test "x$enable_pcre32" = "xunset"
 | |
| then
 | |
|   enable_pcre32=no
 | |
| fi
 | |
| 
 | |
| # Make sure enable_pcre8 or enable_pcre16 was set
 | |
| if test "x$enable_pcre8$enable_pcre16$enable_pcre32" = "xnonono"
 | |
| then
 | |
|   AC_MSG_ERROR([At least one of 8, 16 or 32 bit pcre library must be enabled])
 | |
| fi
 | |
| 
 | |
| # Make sure that if enable_unicode_properties was set, that UTF support is enabled.
 | |
| if test "x$enable_unicode_properties" = "xyes"
 | |
| then
 | |
|   if test "x$enable_utf" = "xno"
 | |
|   then
 | |
|     AC_MSG_ERROR([support for Unicode properties requires UTF-8/16/32 support])
 | |
|   fi
 | |
|   enable_utf=yes
 | |
| fi
 | |
| 
 | |
| # enable_utf is disabled by default.
 | |
| if test "x$enable_utf" = "xunset"
 | |
| then
 | |
|   enable_utf=no
 | |
| fi
 | |
| 
 | |
| # enable_cpp copies the value of enable_pcre8 by default
 | |
| if test "x$enable_cpp" = "xunset"
 | |
| then
 | |
|   enable_cpp=$enable_pcre8
 | |
| fi
 | |
| 
 | |
| # Make sure that if enable_cpp was set, that enable_pcre8 support is enabled
 | |
| if test "x$enable_cpp" = "xyes"
 | |
| then
 | |
|   if test "x$enable_pcre8" = "xno"
 | |
|   then
 | |
|     AC_MSG_ERROR([C++ library requires pcre library with 8 bit characters])
 | |
|   fi
 | |
| fi
 | |
| 
 | |
| # Convert the newline identifier into the appropriate integer value. The first
 | |
| # three are ASCII values 0x0a, 0x0d, and 0x0d0a, but if EBCDIC is enabled, they
 | |
| # are changed below.
 | |
| 
 | |
| case "$enable_newline" in
 | |
|   lf)      ac_pcre_newline_value=10   ;;
 | |
|   cr)      ac_pcre_newline_value=13   ;;
 | |
|   crlf)    ac_pcre_newline_value=3338 ;;
 | |
|   anycrlf) ac_pcre_newline_value=-2   ;;
 | |
|   any)     ac_pcre_newline_value=-1   ;;
 | |
|   *)
 | |
|   AC_MSG_ERROR([invalid argument \"$enable_newline\" to --enable-newline option])
 | |
|   ;;
 | |
| esac
 | |
| 
 | |
| # --enable-ebcdic-nl25 implies --enable-ebcdic
 | |
| if test "x$enable_ebcdic_nl25" = "xyes"; then
 | |
|   enable_ebcdic=yes
 | |
| fi
 | |
| 
 | |
| # Make sure that if enable_ebcdic is set, rebuild_chartables is also enabled,
 | |
| # and the newline value is adjusted appropriately (CR is still 13, but LF is
 | |
| # 21 or 37). Also check that UTF support is not requested, because PCRE cannot
 | |
| # handle EBCDIC and UTF in the same build. To do so it would need to use
 | |
| # different character constants depending on the mode.
 | |
| #
 | |
| if test "x$enable_ebcdic" = "xyes"; then
 | |
|   enable_rebuild_chartables=yes
 | |
| 
 | |
|   if test "x$enable_utf" = "xyes"; then
 | |
|     AC_MSG_ERROR([support for EBCDIC and UTF-8/16/32 cannot be enabled at the same time])
 | |
|   fi
 | |
| 
 | |
|   if test "x$enable_ebcdic_nl25" = "xno"; then
 | |
|     case "$ac_pcre_newline_value" in
 | |
|       10)   ac_pcre_newline_value=21 ;;
 | |
|       3338) ac_pcre_newline_value=3349 ;;
 | |
|     esac
 | |
|   else
 | |
|     case "$ac_pcre_newline_value" in
 | |
|       10)   ac_pcre_newline_value=37 ;;
 | |
|       3338) ac_pcre_newline_value=3365 ;;
 | |
|     esac
 | |
|   fi
 | |
| fi
 | |
| 
 | |
| # Check argument to --with-link-size
 | |
| case "$with_link_size" in
 | |
|   2|3|4) ;;
 | |
|   *)
 | |
|   AC_MSG_ERROR([invalid argument \"$with_link_size\" to --with-link-size option])
 | |
|   ;;
 | |
| esac
 | |
| 
 | |
| AH_TOP([
 | |
| /* PCRE is written in Standard C, but there are a few non-standard things it
 | |
| can cope with, allowing it to run on SunOS4 and other "close to standard"
 | |
| systems.
 | |
| 
 | |
| In environments that support the facilities, config.h.in is converted by
 | |
| "configure", or config-cmake.h.in is converted by CMake, into config.h. If you
 | |
| are going to build PCRE "by hand" without using "configure" or CMake, you
 | |
| should copy the distributed config.h.generic to config.h, and then edit the
 | |
| macro definitions to be the way you need them. You must then add
 | |
| -DHAVE_CONFIG_H to all of your compile commands, so that config.h is included
 | |
| at the start of every source.
 | |
| 
 | |
| Alternatively, you can avoid editing by using -D on the compiler command line
 | |
| to set the macro values. In this case, you do not have to set -DHAVE_CONFIG_H.
 | |
| 
 | |
| PCRE uses memmove() if HAVE_MEMMOVE is set to 1; otherwise it uses bcopy() if
 | |
| HAVE_BCOPY is set to 1. If your system has neither bcopy() nor memmove(), set
 | |
| them both to 0; an emulation function will be used. */])
 | |
| 
 | |
| # Checks for header files.
 | |
| AC_HEADER_STDC
 | |
| AC_CHECK_HEADERS(limits.h sys/types.h sys/stat.h dirent.h windows.h)
 | |
| 
 | |
| # The files below are C++ header files.
 | |
| pcre_have_type_traits="0"
 | |
| pcre_have_bits_type_traits="0"
 | |
| 
 | |
| if test "x$enable_cpp" = "xyes" -a -z "$CXX"; then
 | |
|    AC_MSG_ERROR([You need a C++ compiler for C++ support.])
 | |
| fi
 | |
| 
 | |
| if test "x$enable_cpp" = "xyes" -a -n "$CXX"
 | |
| then
 | |
| AC_LANG_PUSH(C++)
 | |
| 
 | |
| # Older versions of pcre defined pcrecpp::no_arg, but in new versions
 | |
| # it's called pcrecpp::RE::no_arg.  For backwards ABI compatibility,
 | |
| # we want to make one an alias for the other.  Different systems do
 | |
| # this in different ways.  Some systems, for instance, can do it via
 | |
| # a linker flag: -alias (for os x 10.5) or -i (for os x <=10.4).
 | |
| OLD_LDFLAGS="$LDFLAGS"
 | |
| for flag in "-alias,__ZN7pcrecpp2RE6no_argE,__ZN7pcrecpp6no_argE" \
 | |
|             "-i__ZN7pcrecpp6no_argE:__ZN7pcrecpp2RE6no_argE"; do
 | |
|   AC_MSG_CHECKING([for alias support in the linker])
 | |
|   LDFLAGS="$OLD_LDFLAGS -Wl,$flag"
 | |
|   # We try to run the linker with this new ld flag.  If the link fails,
 | |
|   # we give up and remove the new flag from LDFLAGS.
 | |
|   AC_LINK_IFELSE([AC_LANG_PROGRAM([namespace pcrecpp {
 | |
|                                     class RE { static int no_arg; };
 | |
|                                     int RE::no_arg;
 | |
|                                   }],
 | |
|                                  [])],
 | |
|                  [AC_MSG_RESULT([yes]);
 | |
|                   EXTRA_LIBPCRECPP_LDFLAGS="$EXTRA_LIBPCRECPP_LDFLAGS -Wl,$flag";
 | |
|                   break;],
 | |
|                  AC_MSG_RESULT([no]))
 | |
| done
 | |
| LDFLAGS="$OLD_LDFLAGS"
 | |
| 
 | |
| # We could be more clever here, given we're doing AC_SUBST with this
 | |
| # (eg set a var to be the name of the include file we want). But we're not
 | |
| # so it's easy to change back to 'regular' autoconf vars if we needed to.
 | |
| AC_CHECK_HEADERS(string, [pcre_have_cpp_headers="1"],
 | |
|                          [pcre_have_cpp_headers="0"])
 | |
| AC_CHECK_HEADERS(bits/type_traits.h, [pcre_have_bits_type_traits="1"],
 | |
|                                      [pcre_have_bits_type_traits="0"])
 | |
| AC_CHECK_HEADERS(type_traits.h, [pcre_have_type_traits="1"],
 | |
|                                 [pcre_have_type_traits="0"])
 | |
| 
 | |
| # (This isn't c++-specific, but is only used in pcrecpp.cc, so try this
 | |
| # in a c++ context.  This matters becuase strtoimax is C99 and may not
 | |
| # be supported by the C++ compiler.)
 | |
| # Figure out how to create a longlong from a string: strtoll and
 | |
| # equiv.  It's not enough to call AC_CHECK_FUNCS: hpux has a
 | |
| # strtoll, for instance, but it only takes 2 args instead of 3!
 | |
| # We have to call AH_TEMPLATE since AC_DEFINE_UNQUOTED below is complex.
 | |
| AH_TEMPLATE(HAVE_STRTOQ, [Define to 1 if you have `strtoq'.])
 | |
| AH_TEMPLATE(HAVE_STRTOLL, [Define to 1 if you have `strtoll'.])
 | |
| AH_TEMPLATE(HAVE__STRTOI64, [Define to 1 if you have `_strtoi64'.])
 | |
| AH_TEMPLATE(HAVE_STRTOIMAX, [Define to 1 if you have `strtoimax'.])
 | |
| have_strto_fn=0
 | |
| for fn in strtoq strtoll _strtoi64 strtoimax; do
 | |
|   AC_MSG_CHECKING([for $fn])
 | |
|   if test "$fn" = strtoimax; then
 | |
|     include=stdint.h
 | |
|   else
 | |
|     include=stdlib.h
 | |
|   fi
 | |
|   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <$include>],
 | |
|                                     [char* e; return $fn("100", &e, 10)])],
 | |
|                     [AC_MSG_RESULT(yes)
 | |
|                      AC_DEFINE_UNQUOTED(HAVE_`echo $fn | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`, 1,
 | |
|                                         [Define to 1 if you have `$fn'.])
 | |
|                      have_strto_fn=1
 | |
|                      break],
 | |
|                     [AC_MSG_RESULT(no)])
 | |
| done
 | |
| 
 | |
| if test "$have_strto_fn" = 1; then
 | |
|   AC_CHECK_TYPES([long long],
 | |
|                  [pcre_have_long_long="1"],
 | |
|                  [pcre_have_long_long="0"])
 | |
|   AC_CHECK_TYPES([unsigned long long],
 | |
|                  [pcre_have_ulong_long="1"],
 | |
|                  [pcre_have_ulong_long="0"])
 | |
| else
 | |
|   pcre_have_long_long="0"
 | |
|   pcre_have_ulong_long="0"
 | |
| fi
 | |
| AC_SUBST(pcre_have_long_long)
 | |
| AC_SUBST(pcre_have_ulong_long)
 | |
| 
 | |
| AC_LANG_POP
 | |
| fi
 | |
| # Using AC_SUBST eliminates the need to include config.h in a public .h file
 | |
| AC_SUBST(pcre_have_type_traits)
 | |
| AC_SUBST(pcre_have_bits_type_traits)
 | |
| 
 | |
| # Conditional compilation
 | |
| AM_CONDITIONAL(WITH_PCRE8, test "x$enable_pcre8" = "xyes")
 | |
| AM_CONDITIONAL(WITH_PCRE16, test "x$enable_pcre16" = "xyes")
 | |
| AM_CONDITIONAL(WITH_PCRE32, test "x$enable_pcre32" = "xyes")
 | |
| AM_CONDITIONAL(WITH_PCRE_CPP, test "x$enable_cpp" = "xyes")
 | |
| AM_CONDITIONAL(WITH_REBUILD_CHARTABLES, test "x$enable_rebuild_chartables" = "xyes")
 | |
| AM_CONDITIONAL(WITH_JIT, test "x$enable_jit" = "xyes")
 | |
| AM_CONDITIONAL(WITH_UTF, test "x$enable_utf" = "xyes")
 | |
| AM_CONDITIONAL(WITH_VALGRIND, test "x$enable_valgrind" = "xyes")
 | |
| 
 | |
| # Checks for typedefs, structures, and compiler characteristics.
 | |
| 
 | |
| AC_C_CONST
 | |
| AC_TYPE_SIZE_T
 | |
| 
 | |
| # Checks for library functions.
 | |
| 
 | |
| AC_CHECK_FUNCS(bcopy memmove strerror)
 | |
| 
 | |
| # Check for the availability of libz (aka zlib)
 | |
| 
 | |
| AC_CHECK_HEADERS([zlib.h], [HAVE_ZLIB_H=1])
 | |
| AC_CHECK_LIB([z], [gzopen], [HAVE_LIBZ=1])
 | |
| 
 | |
| # Check for the availability of libbz2. Originally we just used AC_CHECK_LIB,
 | |
| # as for libz. However, this had the following problem, diagnosed and fixed by
 | |
| # a user:
 | |
| #
 | |
| #   - libbz2 uses the Pascal calling convention (WINAPI) for the functions
 | |
| #     under Win32.
 | |
| #   - The standard autoconf AC_CHECK_LIB fails to include "bzlib.h",
 | |
| #     therefore missing the function definition.
 | |
| #   - The compiler thus generates a "C" signature for the test function.
 | |
| #   - The linker fails to find the "C" function.
 | |
| #   - PCRE fails to configure if asked to do so against libbz2.
 | |
| #
 | |
| # Solution:
 | |
| #
 | |
| #   - Replace the AC_CHECK_LIB test with a custom test.
 | |
| 
 | |
| AC_CHECK_HEADERS([bzlib.h], [HAVE_BZLIB_H=1])
 | |
| # Original test
 | |
| # AC_CHECK_LIB([bz2], [BZ2_bzopen], [HAVE_LIBBZ2=1])
 | |
| #
 | |
| # Custom test follows
 | |
| 
 | |
| AC_MSG_CHECKING([for libbz2])
 | |
| OLD_LIBS="$LIBS"
 | |
| LIBS="$LIBS -lbz2"
 | |
| AC_LINK_IFELSE([AC_LANG_PROGRAM([[
 | |
| #ifdef HAVE_BZLIB_H
 | |
| #include <bzlib.h>
 | |
| #endif]],
 | |
| [[return (int)BZ2_bzopen("conftest", "rb");]])],
 | |
| [AC_MSG_RESULT([yes]);HAVE_LIBBZ2=1; break;],
 | |
| AC_MSG_RESULT([no]))
 | |
| LIBS="$OLD_LIBS"
 | |
| 
 | |
| # Check for the availabiity of libreadline
 | |
| 
 | |
| if test "$enable_pcretest_libreadline" = "yes"; then
 | |
|  AC_CHECK_HEADERS([readline/readline.h], [HAVE_READLINE_H=1])
 | |
|  AC_CHECK_HEADERS([readline/history.h], [HAVE_HISTORY_H=1])
 | |
|  AC_CHECK_LIB([readline], [readline], [LIBREADLINE="-lreadline"],
 | |
|    [unset ac_cv_lib_readline_readline;
 | |
|     AC_CHECK_LIB([readline], [readline], [LIBREADLINE="-ltinfo"],
 | |
|      [unset ac_cv_lib_readline_readline;
 | |
|       AC_CHECK_LIB([readline], [readline], [LIBREADLINE="-lcurses"],
 | |
|        [unset ac_cv_lib_readline_readline;
 | |
|         AC_CHECK_LIB([readline], [readline], [LIBREADLINE="-lncurses"],
 | |
|          [unset ac_cv_lib_readline_readline;
 | |
| 	  AC_CHECK_LIB([readline], [readline], [LIBREADLINE="-lncursesw"],
 | |
|            [unset ac_cv_lib_readline_readline;
 | |
| 	    AC_CHECK_LIB([readline], [readline], [LIBREADLINE="-ltermcap"],
 | |
|              [LIBREADLINE=""],
 | |
|              [-ltermcap])],
 | |
|            [-lncursesw])],
 | |
|          [-lncurses])],
 | |
|        [-lcurses])],
 | |
|      [-ltinfo])])
 | |
|  AC_SUBST(LIBREADLINE)
 | |
|  if test -n "$LIBREADLINE"; then
 | |
|    if test "$LIBREADLINE" != "-lreadline"; then
 | |
|      echo "-lreadline needs $LIBREADLINE"
 | |
|      LIBREADLINE="-lreadline $LIBREADLINE"
 | |
|    fi
 | |
|  fi
 | |
| fi
 | |
| 
 | |
| 
 | |
| # Check for the availability of libedit. Different distributions put its
 | |
| # headers in different places. Try to cover the most common ones.
 | |
| 
 | |
| if test "$enable_pcretest_libedit" = "yes"; then
 | |
|   AC_CHECK_HEADERS([editline/readline.h], [HAVE_EDITLINE_READLINE_H=1],
 | |
|     [AC_CHECK_HEADERS([edit/readline/readline.h], [HAVE_READLINE_READLINE_H=1],
 | |
|       [AC_CHECK_HEADERS([readline/readline.h], [HAVE_READLINE_READLINE_H=1])])])
 | |
|   AC_CHECK_LIB([edit], [readline], [LIBEDIT="-ledit"])
 | |
| fi
 | |
| 
 | |
| # This facilitates -ansi builds under Linux
 | |
| dnl AC_DEFINE([_GNU_SOURCE], [], [Enable GNU extensions in glibc])
 | |
| 
 | |
| PCRE_STATIC_CFLAG=""
 | |
| if test "x$enable_shared" = "xno" ; then
 | |
|   AC_DEFINE([PCRE_STATIC], [1], [
 | |
|     Define to any value if linking statically (TODO: make nice with Libtool)])
 | |
|   PCRE_STATIC_CFLAG="-DPCRE_STATIC"
 | |
| fi
 | |
| AC_SUBST(PCRE_STATIC_CFLAG)
 | |
| 
 | |
| # Here is where pcre specific defines are handled
 | |
| 
 | |
| if test "$enable_pcre8" = "yes"; then
 | |
|   AC_DEFINE([SUPPORT_PCRE8], [], [
 | |
|     Define to any value to enable the 8 bit PCRE library.])
 | |
| fi
 | |
| 
 | |
| if test "$enable_pcre16" = "yes"; then
 | |
|   AC_DEFINE([SUPPORT_PCRE16], [], [
 | |
|     Define to any value to enable the 16 bit PCRE library.])
 | |
| fi
 | |
| 
 | |
| if test "$enable_pcre32" = "yes"; then
 | |
|   AC_DEFINE([SUPPORT_PCRE32], [], [
 | |
|     Define to any value to enable the 32 bit PCRE library.])
 | |
| fi
 | |
| 
 | |
| if test "$enable_jit" = "yes"; then
 | |
|   AX_PTHREAD([], [AC_MSG_ERROR([JIT support requires pthreads])])
 | |
|   CC="$PTHREAD_CC"
 | |
|   CFLAGS="$PTHREAD_CFLAGS $CFLAGS"
 | |
|   LIBS="$PTHREAD_LIBS $LIBS"
 | |
|   AC_DEFINE([SUPPORT_JIT], [], [
 | |
|     Define to any value to enable support for Just-In-Time compiling.])
 | |
| else
 | |
|   enable_pcregrep_jit="no"
 | |
| fi
 | |
| 
 | |
| if test "$enable_pcregrep_jit" = "yes"; then
 | |
|   AC_DEFINE([SUPPORT_PCREGREP_JIT], [], [
 | |
|     Define to any value to enable JIT support in pcregrep.])
 | |
| fi
 | |
| 
 | |
| if test "$enable_utf" = "yes"; then
 | |
|   AC_DEFINE([SUPPORT_UTF], [], [
 | |
|     Define to any value to enable support for the UTF-8/16/32 Unicode encoding.
 | |
|     This will work even in an EBCDIC environment, but it is incompatible
 | |
|     with the EBCDIC macro. That is, PCRE can support *either* EBCDIC
 | |
|     code *or* ASCII/UTF-8/16/32, but not both at once.])
 | |
| fi
 | |
| 
 | |
| if test "$enable_unicode_properties" = "yes"; then
 | |
|   AC_DEFINE([SUPPORT_UCP], [], [
 | |
|     Define to any value to enable support for Unicode properties.])
 | |
| fi
 | |
| 
 | |
| if test "$enable_stack_for_recursion" = "no"; then
 | |
|   AC_DEFINE([NO_RECURSE], [], [
 | |
|     PCRE uses recursive function calls to handle backtracking while
 | |
|     matching. This can sometimes be a problem on systems that have
 | |
|     stacks of limited size. Define NO_RECURSE to any value to get a
 | |
|     version that doesn't use recursion in the match() function; instead
 | |
|     it creates its own stack by steam using pcre_recurse_malloc() to obtain
 | |
|     memory from the heap. For more detail, see the comments and other stuff
 | |
|     just above the match() function.])
 | |
| fi
 | |
| 
 | |
| if test "$enable_pcregrep_libz" = "yes"; then
 | |
|   AC_DEFINE([SUPPORT_LIBZ], [], [
 | |
|     Define to any value to allow pcregrep to be linked with libz, so that it is
 | |
|     able to handle .gz files.])
 | |
| fi
 | |
| 
 | |
| if test "$enable_pcregrep_libbz2" = "yes"; then
 | |
|   AC_DEFINE([SUPPORT_LIBBZ2], [], [
 | |
|     Define to any value to allow pcregrep to be linked with libbz2, so that it
 | |
|     is able to handle .bz2 files.])
 | |
| fi
 | |
| 
 | |
| if test $with_pcregrep_bufsize -lt 8192 ; then
 | |
|   with_pcregrep_bufsize="8192"
 | |
| fi
 | |
| 
 | |
| AC_DEFINE_UNQUOTED([PCREGREP_BUFSIZE], [$with_pcregrep_bufsize], [
 | |
|   The value of PCREGREP_BUFSIZE determines the size of buffer used by pcregrep
 | |
|   to hold parts of the file it is searching. This is also the minimum value.
 | |
|   The actual amount of memory used by pcregrep is three times this number,
 | |
|   because it allows for the buffering of "before" and "after" lines.])
 | |
| 
 | |
| if test "$enable_pcretest_libedit" = "yes"; then
 | |
|   AC_DEFINE([SUPPORT_LIBEDIT], [], [
 | |
|     Define to any value to allow pcretest to be linked with libedit.])
 | |
|   LIBREADLINE="$LIBEDIT"
 | |
| elif test "$enable_pcretest_libreadline" = "yes"; then
 | |
|   AC_DEFINE([SUPPORT_LIBREADLINE], [], [
 | |
|     Define to any value to allow pcretest to be linked with libreadline.])
 | |
| fi
 | |
| 
 | |
| AC_DEFINE_UNQUOTED([NEWLINE], [$ac_pcre_newline_value], [
 | |
|   The value of NEWLINE determines the default newline character sequence. PCRE
 | |
|   client programs can override this by selecting other values at run time. In
 | |
|   ASCII environments, the value can be 10 (LF), 13 (CR), or 3338 (CRLF); in
 | |
|   EBCDIC environments the value can be 21 or 37 (LF), 13 (CR), or 3349 or 3365
 | |
|   (CRLF) because there are two alternative codepoints (0x15 and 0x25) that are
 | |
|   used as the NL line terminator that is equivalent to ASCII LF. In both ASCII
 | |
|   and EBCDIC environments the value can also be -1 (ANY), or -2 (ANYCRLF).])
 | |
| 
 | |
| if test "$enable_bsr_anycrlf" = "yes"; then
 | |
|   AC_DEFINE([BSR_ANYCRLF], [], [
 | |
|     By default, the \R escape sequence matches any Unicode line ending
 | |
|     character or sequence of characters. If BSR_ANYCRLF is defined (to any
 | |
|     value), this is changed so that backslash-R matches only CR, LF, or CRLF.
 | |
|     The build-time default can be overridden by the user of PCRE at runtime.])
 | |
| fi
 | |
| 
 | |
| AC_DEFINE_UNQUOTED([LINK_SIZE], [$with_link_size], [
 | |
|   The value of LINK_SIZE determines the number of bytes used to store
 | |
|   links as offsets within the compiled regex. The default is 2, which
 | |
|   allows for compiled patterns up to 64K long. This covers the vast
 | |
|   majority of cases. However, PCRE can also be compiled to use 3 or 4
 | |
|   bytes instead. This allows for longer patterns in extreme cases.])
 | |
| 
 | |
| AC_DEFINE_UNQUOTED([POSIX_MALLOC_THRESHOLD], [$with_posix_malloc_threshold], [
 | |
|   When calling PCRE via the POSIX interface, additional working storage
 | |
|   is required for holding the pointers to capturing substrings because
 | |
|   PCRE requires three integers per substring, whereas the POSIX
 | |
|   interface provides only two. If the number of expected substrings is
 | |
|   small, the wrapper function uses space on the stack, because this is
 | |
|   faster than using malloc() for each call. The threshold above which
 | |
|   the stack is no longer used is defined by POSIX_MALLOC_THRESHOLD.])
 | |
| 
 | |
| AC_DEFINE_UNQUOTED([MATCH_LIMIT], [$with_match_limit], [
 | |
|   The value of MATCH_LIMIT determines the default number of times the
 | |
|   internal match() function can be called during a single execution of
 | |
|   pcre_exec(). There is a runtime interface for setting a different
 | |
|   limit. The limit exists in order to catch runaway regular
 | |
|   expressions that take for ever to determine that they do not match.
 | |
|   The default is set very large so that it does not accidentally catch
 | |
|   legitimate cases.])
 | |
| 
 | |
| AC_DEFINE_UNQUOTED([MATCH_LIMIT_RECURSION], [$with_match_limit_recursion], [
 | |
|   The above limit applies to all calls of match(), whether or not they
 | |
|   increase the recursion depth. In some environments it is desirable
 | |
|   to limit the depth of recursive calls of match() more strictly, in
 | |
|   order to restrict the maximum amount of stack (or heap, if
 | |
|   NO_RECURSE is defined) that is used. The value of
 | |
|   MATCH_LIMIT_RECURSION applies only to recursive calls of match(). To
 | |
|   have any useful effect, it must be less than the value of
 | |
|   MATCH_LIMIT. The default is to use the same value as MATCH_LIMIT.
 | |
|   There is a runtime method for setting a different limit.])
 | |
| 
 | |
| AC_DEFINE([MAX_NAME_SIZE], [32], [
 | |
|   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.])
 | |
| 
 | |
| AC_DEFINE([MAX_NAME_COUNT], [10000], [
 | |
|   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_EXP_DEFN], [
 | |
| /* If you are compiling for a system other than a Unix-like system or
 | |
|    Win32, and it needs some magic to be inserted before the definition
 | |
|    of a function that is exported by the library, define this macro to
 | |
|    contain the relevant magic. If you do not define this macro, a suitable
 | |
|     __declspec value is used for Windows systems; in other environments
 | |
|    "extern" is used for a C compiler and "extern C" for a C++ compiler.
 | |
|    This macro apears at the start of every exported function that is part
 | |
|    of the external API. It does not appear on functions that are "external"
 | |
|    in the C sense, but which are internal to the library. */
 | |
| #undef PCRE_EXP_DEFN])
 | |
| 
 | |
| if test "$enable_ebcdic" = "yes"; then
 | |
|   AC_DEFINE_UNQUOTED([EBCDIC], [], [
 | |
|     If you are compiling for a system that uses EBCDIC instead of ASCII
 | |
|     character codes, define this macro to any value. You must also edit the
 | |
|     NEWLINE macro below to set a suitable EBCDIC newline, commonly 21 (0x15).
 | |
|     On systems that can use "configure" or CMake to set EBCDIC, NEWLINE is
 | |
|     automatically adjusted. When EBCDIC is set, PCRE assumes that all input
 | |
|     strings are in EBCDIC. If you do not define this macro, PCRE will assume
 | |
|     input strings are ASCII or UTF-8/16/32 Unicode. It is not possible to build
 | |
|     a version of PCRE that supports both EBCDIC and UTF-8/16/32.])
 | |
| fi
 | |
| 
 | |
| if test "$enable_ebcdic_nl25" = "yes"; then
 | |
|   AC_DEFINE_UNQUOTED([EBCDIC_NL25], [], [
 | |
|     In an EBCDIC environment, define this macro to any value to arrange for
 | |
|     the NL character to be 0x25 instead of the default 0x15. NL plays the role
 | |
|     that LF does in an ASCII/Unicode environment. The value must also be set in
 | |
|     the NEWLINE macro below. On systems that can use "configure" or CMake to
 | |
|     set EBCDIC_NL25, the adjustment of NEWLINE is automatic.])
 | |
| fi
 | |
| 
 | |
| if test "$enable_valgrind" = "yes"; then
 | |
|   AC_DEFINE_UNQUOTED([SUPPORT_VALGRIND], [], [
 | |
|      Valgrind support to find invalid memory reads.])
 | |
| fi
 | |
| 
 | |
| # Platform specific issues
 | |
| NO_UNDEFINED=
 | |
| EXPORT_ALL_SYMBOLS=
 | |
| case $host_os in
 | |
|   cygwin* | mingw* )
 | |
|     if test X"$enable_shared" = Xyes; then
 | |
|       NO_UNDEFINED="-no-undefined"
 | |
|       EXPORT_ALL_SYMBOLS="-Wl,--export-all-symbols"
 | |
|     fi
 | |
|     ;;
 | |
| esac
 | |
| 
 | |
| # The extra LDFLAGS for each particular library
 | |
| # (Note: The libpcre*_version bits are m4 variables, assigned above)
 | |
| 
 | |
| EXTRA_LIBPCRE_LDFLAGS="$EXTRA_LIBPCRE_LDFLAGS \
 | |
|                        $NO_UNDEFINED -version-info libpcre_version"
 | |
| 
 | |
| EXTRA_LIBPCRE16_LDFLAGS="$EXTRA_LIBPCRE16_LDFLAGS \
 | |
|                        $NO_UNDEFINED -version-info libpcre16_version"
 | |
| 
 | |
| EXTRA_LIBPCRE32_LDFLAGS="$EXTRA_LIBPCRE32_LDFLAGS \
 | |
|                        $NO_UNDEFINED -version-info libpcre32_version"
 | |
| 
 | |
| EXTRA_LIBPCREPOSIX_LDFLAGS="$EXTRA_LIBPCREPOSIX_LDFLAGS \
 | |
|                             $NO_UNDEFINED -version-info libpcreposix_version"
 | |
| 
 | |
| EXTRA_LIBPCRECPP_LDFLAGS="$EXTRA_LIBPCRECPP_LDFLAGS \
 | |
|                           $NO_UNDEFINED -version-info libpcrecpp_version \
 | |
|                           $EXPORT_ALL_SYMBOLS"
 | |
| 
 | |
| AC_SUBST(EXTRA_LIBPCRE_LDFLAGS)
 | |
| AC_SUBST(EXTRA_LIBPCRE16_LDFLAGS)
 | |
| AC_SUBST(EXTRA_LIBPCRE32_LDFLAGS)
 | |
| AC_SUBST(EXTRA_LIBPCREPOSIX_LDFLAGS)
 | |
| AC_SUBST(EXTRA_LIBPCRECPP_LDFLAGS)
 | |
| 
 | |
| # When we run 'make distcheck', use these arguments. Turning off compiler
 | |
| # optimization makes it run faster.
 | |
| DISTCHECK_CONFIGURE_FLAGS="CFLAGS='' CXXFLAGS='' --enable-pcre16 --enable-pcre32 --enable-jit --enable-cpp --enable-unicode-properties"
 | |
| AC_SUBST(DISTCHECK_CONFIGURE_FLAGS)
 | |
| 
 | |
| # Check that, if --enable-pcregrep-libz or --enable-pcregrep-libbz2 is
 | |
| # specified, the relevant library is available.
 | |
| 
 | |
| if test "$enable_pcregrep_libz" = "yes"; then
 | |
|   if test "$HAVE_ZLIB_H" != "1"; then
 | |
|     echo "** Cannot --enable-pcregrep-libz because zlib.h was not found"
 | |
|     exit 1
 | |
|   fi
 | |
|   if test "$HAVE_LIBZ" != "1"; then
 | |
|     echo "** Cannot --enable-pcregrep-libz because libz was not found"
 | |
|     exit 1
 | |
|   fi
 | |
|   LIBZ="-lz"
 | |
| fi
 | |
| AC_SUBST(LIBZ)
 | |
| 
 | |
| if test "$enable_pcregrep_libbz2" = "yes"; then
 | |
|   if test "$HAVE_BZLIB_H" != "1"; then
 | |
|     echo "** Cannot --enable-pcregrep-libbz2 because bzlib.h was not found"
 | |
|     exit 1
 | |
|   fi
 | |
|   if test "$HAVE_LIBBZ2" != "1"; then
 | |
|     echo "** Cannot --enable-pcregrep-libbz2 because libbz2 was not found"
 | |
|     exit 1
 | |
|   fi
 | |
|   LIBBZ2="-lbz2"
 | |
| fi
 | |
| AC_SUBST(LIBBZ2)
 | |
| 
 | |
| # Similarly for --enable-pcretest-readline
 | |
| 
 | |
| if test "$enable_pcretest_libedit" = "yes"; then
 | |
|   if test "$enable_pcretest_libreadline" = "yes"; then
 | |
|     echo "** Cannot use both --enable-pcretest-libedit and --enable-pcretest-readline"
 | |
|     exit 1
 | |
|   fi
 | |
|   if test "$HAVE_EDITLINE_READLINE_H" != "1" -a \
 | |
|           "$HAVE_READLINE_READLINE_H" != "1"; then
 | |
|     echo "** Cannot --enable-pcretest-libedit because neither editline/readline.h"
 | |
|     echo "** nor readline/readline.h was found."
 | |
|     exit 1
 | |
|   fi
 | |
|   if test -z "$LIBEDIT"; then
 | |
|     echo "** Cannot --enable-pcretest-libedit because libedit library was not found."
 | |
|     exit 1
 | |
|   fi
 | |
| fi
 | |
| 
 | |
| if test "$enable_pcretest_libreadline" = "yes"; then
 | |
|   if test "$HAVE_READLINE_H" != "1"; then
 | |
|     echo "** Cannot --enable-pcretest-readline because readline/readline.h was not found."
 | |
|     exit 1
 | |
|   fi
 | |
|   if test "$HAVE_HISTORY_H" != "1"; then
 | |
|     echo "** Cannot --enable-pcretest-readline because readline/history.h was not found."
 | |
|     exit 1
 | |
|   fi
 | |
|   if test -z "$LIBREADLINE"; then
 | |
|     echo "** Cannot --enable-pcretest-readline because readline library was not found."
 | |
|     exit 1
 | |
|   fi
 | |
| fi
 | |
| 
 | |
| # Check for valgrind
 | |
| 
 | |
| if test "$enable_valgrind" = "yes"; then
 | |
|   m4_ifdef([PKG_CHECK_MODULES],
 | |
|            [PKG_CHECK_MODULES([VALGRIND],[valgrind])],
 | |
|            [AC_MSG_ERROR([pkg-config not supported])])
 | |
| fi
 | |
| 
 | |
| # test code coverage reporting
 | |
| if test "$enable_coverage" = "yes"; then
 | |
|   if test "x$GCC" != "xyes"; then
 | |
|     AC_MSG_ERROR([Code coverage reports can only be generated when using GCC])
 | |
|   fi
 | |
| 
 | |
|   # ccache is incompatible with gcov
 | |
|   AC_PATH_PROG([SHTOOL],[shtool],[false])
 | |
|   case `$SHTOOL path $CC` in
 | |
|     *ccache*) cc_ccache=yes;;
 | |
|     *) cc_ccache=no;;
 | |
|   esac
 | |
| 
 | |
|   if test "$cc_ccache" = "yes"; then
 | |
|     if test -z "$CCACHE_DISABLE" -o "$CCACHE_DISABLE" != "1"; then
 | |
|       AC_MSG_ERROR([must export CCACHE_DISABLE=1 to disable ccache for code coverage])
 | |
|     fi
 | |
|   fi
 | |
| 
 | |
|   AC_ARG_VAR([LCOV],[the ltp lcov program])
 | |
|   AC_PATH_PROG([LCOV],[lcov],[false])
 | |
|   if test "x$LCOV" = "xfalse"; then
 | |
|     AC_MSG_ERROR([lcov not found])
 | |
|   fi
 | |
| 
 | |
|   AC_ARG_VAR([GENHTML],[the ltp genhtml program])
 | |
|   AC_PATH_PROG([GENHTML],[genhtml],[false])
 | |
|   if test "x$GENHTML" = "xfalse"; then
 | |
|     AC_MSG_ERROR([genhtml not found])
 | |
|   fi
 | |
| 
 | |
|   AC_DEFINE([SUPPORT_GCOV],[1], [
 | |
|     Define to allow pcretest and pcregrep to be linked with gcov, so that they
 | |
|     are able to generate code coverage reports.])
 | |
| 
 | |
|   # And add flags needed for gcov
 | |
|   GCOV_CFLAGS="-O0 -ggdb3 -fprofile-arcs -ftest-coverage"
 | |
|   GCOV_CXXFLAGS="-O0 -ggdb3 -fprofile-arcs -ftest-coverage"
 | |
|   GCOV_LIBS="-lgcov"
 | |
|   AC_SUBST([GCOV_CFLAGS])
 | |
|   AC_SUBST([GCOV_CXXFLAGS])
 | |
|   AC_SUBST([GCOV_LIBS])
 | |
| fi # enable_coverage
 | |
| 
 | |
| AM_CONDITIONAL([WITH_GCOV],[test "x$enable_coverage" = "xyes"])
 | |
| 
 | |
| # Produce these files, in addition to config.h.
 | |
| AC_CONFIG_FILES(
 | |
| 	Makefile
 | |
| 	libpcre.pc
 | |
| 	libpcre16.pc
 | |
| 	libpcre32.pc
 | |
| 	libpcreposix.pc
 | |
| 	libpcrecpp.pc
 | |
| 	pcre-config
 | |
| 	pcre.h
 | |
| 	pcre_stringpiece.h
 | |
| 	pcrecpparg.h
 | |
| )
 | |
| 
 | |
| # Make the generated script files executable.
 | |
| AC_CONFIG_COMMANDS([script-chmod], [chmod a+x pcre-config])
 | |
| 
 | |
| # Make sure that pcre_chartables.c is removed in case the method for
 | |
| # creating it was changed by reconfiguration.
 | |
| AC_CONFIG_COMMANDS([delete-old-chartables], [rm -f pcre_chartables.c])
 | |
| 
 | |
| AC_OUTPUT
 | |
| 
 | |
| # Print out a nice little message after configure is run displaying the
 | |
| # chosen options.
 | |
| 
 | |
| ebcdic_nl_code=n/a
 | |
| if test "$enable_ebcdic_nl25" = "yes"; then
 | |
|   ebcdic_nl_code=0x25
 | |
| elif test "$enable_ebcdic" = "yes"; then
 | |
|   ebcdic_nl_code=0x15
 | |
| fi
 | |
| 
 | |
| cat <<EOF
 | |
| 
 | |
| $PACKAGE-$VERSION configuration summary:
 | |
| 
 | |
|     Install prefix .................. : ${prefix}
 | |
|     C preprocessor .................. : ${CPP}
 | |
|     C compiler ...................... : ${CC}
 | |
|     C++ preprocessor ................ : ${CXXCPP}
 | |
|     C++ compiler .................... : ${CXX}
 | |
|     Linker .......................... : ${LD}
 | |
|     C preprocessor flags ............ : ${CPPFLAGS}
 | |
|     C compiler flags ................ : ${CFLAGS} ${VISIBILITY_CFLAGS}
 | |
|     C++ compiler flags .............. : ${CXXFLAGS} ${VISIBILITY_CXXFLAGS}
 | |
|     Linker flags .................... : ${LDFLAGS}
 | |
|     Extra libraries ................. : ${LIBS}
 | |
| 
 | |
|     Build 8 bit pcre library ........ : ${enable_pcre8}
 | |
|     Build 16 bit pcre library ....... : ${enable_pcre16}
 | |
|     Build 32 bit pcre library ....... : ${enable_pcre32}
 | |
|     Build C++ library ............... : ${enable_cpp}
 | |
|     Enable JIT compiling support .... : ${enable_jit}
 | |
|     Enable UTF-8/16/32 support ...... : ${enable_utf}
 | |
|     Unicode properties .............. : ${enable_unicode_properties}
 | |
|     Newline char/sequence ........... : ${enable_newline}
 | |
|     \R matches only ANYCRLF ......... : ${enable_bsr_anycrlf}
 | |
|     EBCDIC coding ................... : ${enable_ebcdic}
 | |
|     EBCDIC code for NL .............. : ${ebcdic_nl_code}
 | |
|     Rebuild char tables ............. : ${enable_rebuild_chartables}
 | |
|     Use stack recursion ............. : ${enable_stack_for_recursion}
 | |
|     POSIX mem threshold ............. : ${with_posix_malloc_threshold}
 | |
|     Internal link size .............. : ${with_link_size}
 | |
|     Match limit ..................... : ${with_match_limit}
 | |
|     Match limit recursion ........... : ${with_match_limit_recursion}
 | |
|     Build shared libs ............... : ${enable_shared}
 | |
|     Build static libs ............... : ${enable_static}
 | |
|     Use JIT in pcregrep ............. : ${enable_pcregrep_jit}
 | |
|     Buffer size for pcregrep ........ : ${with_pcregrep_bufsize}
 | |
|     Link pcregrep with libz ......... : ${enable_pcregrep_libz}
 | |
|     Link pcregrep with libbz2 ....... : ${enable_pcregrep_libbz2}
 | |
|     Link pcretest with libedit ...... : ${enable_pcretest_libedit}
 | |
|     Link pcretest with libreadline .. : ${enable_pcretest_libreadline}
 | |
|     Valgrind support ................ : ${enable_valgrind}
 | |
|     Code coverage ................... : ${enable_coverage}
 | |
| 
 | |
| EOF
 | |
| 
 | |
| dnl end configure.ac
 |