| 1 |
dnl Process this file with autoconf to produce a configure script. |
dnl Process this file with autoconf to produce a configure script. |
| 2 |
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|
| 3 |
dnl This configure.in file has been hacked around quite a lot as a result of |
dnl NOTE FOR MAINTAINERS: Do not use minor version numbers 08 or 09 because |
| 4 |
dnl patches that various people have sent to me (PH). Sometimes the information |
dnl the leading zeros may cause them to be treated as invalid octal constants |
| 5 |
dnl I get is contradictory. I've tried to put in comments that explain things, |
dnl if a PCRE user writes code that uses PCRE_MINOR as a number. There is now |
| 6 |
dnl but in some cases the information is second-hand and I have no way of |
dnl a check further down that throws an error if 08 or 09 are used. |
| 7 |
dnl verifying it. I am not an autoconf or libtool expert! |
|
| 8 |
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dnl The PCRE_PRERELEASE feature is for identifying release candidates. It might |
| 9 |
dnl This is required at the start; the name is the name of a file |
dnl be defined as -RC2, for example. For real releases, it should be empty. |
| 10 |
dnl it should be seeing, to verify it is in the same directory. |
|
| 11 |
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m4_define(pcre_major, [8]) |
| 12 |
AC_INIT(dftables.c) |
m4_define(pcre_minor, [11]) |
| 13 |
AC_CONFIG_SRCDIR([pcre.h]) |
m4_define(pcre_prerelease, []) |
| 14 |
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m4_define(pcre_date, [2010-12-10]) |
| 15 |
dnl A safety precaution |
|
| 16 |
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# Libtool shared library interface versions (current:revision:age) |
| 17 |
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m4_define(libpcre_version, [0:1:0]) |
| 18 |
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m4_define(libpcreposix_version, [0:0:0]) |
| 19 |
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m4_define(libpcrecpp_version, [0:0:0]) |
| 20 |
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| 21 |
AC_PREREQ(2.57) |
AC_PREREQ(2.57) |
| 22 |
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AC_INIT(PCRE, pcre_major.pcre_minor[]pcre_prerelease, , pcre) |
| 23 |
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AC_CONFIG_SRCDIR([pcre.h.in]) |
| 24 |
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AM_INIT_AUTOMAKE([dist-bzip2 dist-zip]) |
| 25 |
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AC_CONFIG_HEADERS(config.h) |
| 26 |
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| 27 |
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# This was added at the suggestion of libtoolize (03-Jan-10) |
| 28 |
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AC_CONFIG_MACRO_DIR([m4]) |
| 29 |
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| 30 |
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# The default CFLAGS and CXXFLAGS in Autoconf are "-g -O2" for gcc and just |
| 31 |
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# "-g" for any other compiler. There doesn't seem to be a standard way of |
| 32 |
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# getting rid of the -g (which I don't think is needed for a production |
| 33 |
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# library). This fudge seems to achieve the necessary. First, we remember the |
| 34 |
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# externally set values of CFLAGS and CXXFLAGS. Then call the AC_PROG_CC and |
| 35 |
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# AC_PROG_CXX macros to find the compilers - if CFLAGS and CXXFLAGS are not |
| 36 |
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# set, they will be set to Autoconf's defaults. Afterwards, if the original |
| 37 |
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# values were not set, remove the -g from the Autoconf defaults. |
| 38 |
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# (PH 02-May-07) |
| 39 |
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|
| 40 |
dnl Arrange to build config.h from config.h.in. |
remember_set_CFLAGS="$CFLAGS" |
| 41 |
dnl Manual says this macro should come right after AC_INIT. |
remember_set_CXXFLAGS="$CXXFLAGS" |
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AC_CONFIG_HEADER(config.h) |
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dnl Default values for miscellaneous macros |
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POSIX_MALLOC_THRESHOLD=-DPOSIX_MALLOC_THRESHOLD=10 |
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dnl Provide versioning information for libtool shared libraries that |
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dnl are built by default on Unix systems. |
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PCRE_LIB_VERSION=0:1:0 |
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PCRE_POSIXLIB_VERSION=0:0:0 |
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PCRE_CPPLIB_VERSION=0:0:0 |
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dnl Find the PCRE version from the pcre.h file. The PCRE_VERSION variable is |
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dnl substituted in pcre-config.in. |
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PCRE_MAJOR=`grep '#define PCRE_MAJOR' ${srcdir}/pcre.h | cut -c 29-` |
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PCRE_MINOR=`grep '#define PCRE_MINOR' ${srcdir}/pcre.h | cut -c 29-` |
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PCRE_PRERELEASE=`grep '#define PCRE_PRERELEASE' ${srcdir}/pcre.h | cut -c 29-` |
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PCRE_VERSION=${PCRE_MAJOR}.${PCRE_MINOR}${PCRE_PRERELEASE} |
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dnl Handle --disable-cpp |
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AC_ARG_ENABLE(cpp, |
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[ --disable-cpp disable C++ support], |
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want_cpp="$enableval", want_cpp=yes) |
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dnl Checks for programs. |
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| 42 |
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| 43 |
AC_PROG_CC |
AC_PROG_CC |
| 44 |
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AC_PROG_CXX |
| 45 |
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| 46 |
dnl Test for C++ for the C++ wrapper libpcrecpp. It seems, however, that |
if test "x$remember_set_CFLAGS" = "x" |
| 47 |
dnl AC_PROC_CXX will set $CXX to "g++" when no C++ compiler is installed, even |
then |
| 48 |
dnl though that is completely bogus. (This may happen only on certain systems |
if test "$CFLAGS" = "-g -O2" |
| 49 |
dnl with certain versions of autoconf, of course.) An attempt to include this |
then |
| 50 |
dnl test inside a check for want_cpp was criticized by a libtool expert, who |
CFLAGS="-O2" |
| 51 |
dnl tells me that it isn't allowed. |
elif test "$CFLAGS" = "-g" |
| 52 |
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then |
| 53 |
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CFLAGS="" |
| 54 |
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fi |
| 55 |
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fi |
| 56 |
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| 57 |
AC_PROG_CXX |
if test "x$remember_set_CXXFLAGS" = "x" |
| 58 |
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then |
| 59 |
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if test "$CXXFLAGS" = "-g -O2" |
| 60 |
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then |
| 61 |
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CXXFLAGS="-O2" |
| 62 |
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elif test "$CXXFLAGS" = "-g" |
| 63 |
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then |
| 64 |
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CXXFLAGS="" |
| 65 |
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fi |
| 66 |
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fi |
| 67 |
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| 68 |
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# AC_PROG_CXX will return "g++" even if no c++ compiler is installed. |
| 69 |
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# Check for that case, and just disable c++ code if g++ doesn't run. |
| 70 |
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AC_LANG_PUSH(C++) |
| 71 |
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AC_COMPILE_IFELSE(AC_LANG_PROGRAM([],[]),, CXX=""; CXXCP=""; CXXFLAGS="") |
| 72 |
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AC_LANG_POP |
| 73 |
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| 74 |
dnl The icc compiler has the same options as gcc, so let the rest of the |
# Check for a 64-bit integer type |
| 75 |
dnl configure script think it has gcc when setting up dnl options etc. |
AC_TYPE_INT64_T |
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dnl This is a nasty hack which no longer seems necessary with the update |
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dnl to the latest libtool files, so I have commented it out. |
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dnl |
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dnl if test "$CC" = "icc" ; then GCC=yes ; fi |
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| 76 |
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| 77 |
AC_PROG_INSTALL |
AC_PROG_INSTALL |
| 78 |
AC_LIBTOOL_WIN32_DLL |
AC_LIBTOOL_WIN32_DLL |
| 79 |
AC_PROG_LIBTOOL |
AC_PROG_LIBTOOL |
| 80 |
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AC_PROG_LN_S |
| 81 |
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| 82 |
dnl We need to find a compiler for compiling a program to run on the local host |
PCRE_MAJOR="pcre_major" |
| 83 |
dnl while building. It needs to be different from CC when cross-compiling. |
PCRE_MINOR="pcre_minor" |
| 84 |
dnl There is a macro called AC_PROG_CC_FOR_BUILD in the GNU archive for |
PCRE_PRERELEASE="pcre_prerelease" |
| 85 |
dnl figuring this out automatically. Unfortunately, it does not work with the |
PCRE_DATE="pcre_date" |
|
dnl latest versions of autoconf. So for the moment, we just default to the |
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dnl same values as the "main" compiler. People who are cross-compiling will |
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dnl just have to adjust the Makefile by hand or set these values when they |
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dnl run "configure". |
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CC_FOR_BUILD=${CC_FOR_BUILD:-'$(CC)'} |
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CXX_FOR_BUILD=${CXX_FOR_BUILD:-'$(CXX)'} |
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CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD:-'$(CFLAGS)'} |
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CPPFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD:-'$(CPPFLAGS)'} |
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CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD:-'$(CXXFLAGS)'} |
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BUILD_EXEEXT=${BUILD_EXEEXT:-'$(EXEEXT)'} |
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BUILD_OBJEXT=${BUILD_OBJEXT:-'$(OBJEXT)'} |
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dnl Checks for header files. |
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AC_HEADER_STDC |
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AC_CHECK_HEADERS(limits.h) |
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dnl The files below are C++ header files. One person told me (PH) that |
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dnl AC_LANG_CPLUSPLUS unsets CXX if it was explicitly set to something which |
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dnl doesn't work. However, this doesn't always seem to be the case. |
|
| 86 |
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| 87 |
if test "x$want_cpp" = "xyes" -a -n "$CXX" |
if test "$PCRE_MINOR" = "08" -o "$PCRE_MINOR" = "09" |
| 88 |
then |
then |
| 89 |
AC_LANG_SAVE |
echo "***" |
| 90 |
AC_LANG_CPLUSPLUS |
echo "*** Minor version number $PCRE_MINOR must not be used. ***" |
| 91 |
|
echo "*** Use only 01 to 07 or 10 onwards, to avoid octal issues. ***" |
| 92 |
dnl We could be more clever here, given we're doing AC_SUBST with this |
echo "***" |
| 93 |
dnl (eg set a var to be the name of the include file we want). But we're not |
exit 1 |
|
dnl so it's easy to change back to 'regular' autoconf vars if we needed to. |
|
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AC_CHECK_HEADERS(string, [pcre_have_cpp_headers="1"], |
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[pcre_have_cpp_headers="0"]) |
|
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AC_CHECK_HEADERS(bits/type_traits.h, [pcre_have_bits_type_traits="1"], |
|
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[pcre_have_bits_type_traits="0"]) |
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AC_CHECK_HEADERS(type_traits.h, [pcre_have_type_traits="1"], |
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[pcre_have_type_traits="0"]) |
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dnl Using AC_SUBST eliminates the need to include config.h in a public .h file |
|
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AC_SUBST(pcre_have_bits_type_traits) |
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AC_SUBST(pcre_have_type_traits) |
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AC_LANG_RESTORE |
|
| 94 |
fi |
fi |
| 95 |
|
|
| 96 |
dnl From the above, we now have enough info to know if C++ is fully installed |
AC_SUBST(PCRE_MAJOR) |
| 97 |
if test "x$want_cpp" = "xyes" -a -n "$CXX" -a "$pcre_have_cpp_headers" = 1; then |
AC_SUBST(PCRE_MINOR) |
| 98 |
MAYBE_CPP_TARGETS='$(CPP_TARGETS)' |
AC_SUBST(PCRE_PRERELEASE) |
| 99 |
HAVE_CPP= |
AC_SUBST(PCRE_DATE) |
| 100 |
else |
|
| 101 |
MAYBE_CPP_TARGETS= |
# Set a more sensible default value for $(htmldir). |
| 102 |
HAVE_CPP="#" |
if test "x$htmldir" = 'x${docdir}' |
| 103 |
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then |
| 104 |
|
htmldir='${docdir}/html' |
| 105 |
fi |
fi |
|
AC_SUBST(MAYBE_CPP_TARGETS) |
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AC_SUBST(HAVE_CPP) |
|
| 106 |
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|
| 107 |
dnl Checks for typedefs, structures, and compiler characteristics. |
# Handle --disable-cpp. The substitution of enable_cpp is needed for use in |
| 108 |
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# pcre-config. |
| 109 |
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AC_ARG_ENABLE(cpp, |
| 110 |
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AS_HELP_STRING([--disable-cpp], |
| 111 |
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[disable C++ support]), |
| 112 |
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, enable_cpp=yes) |
| 113 |
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AC_SUBST(enable_cpp) |
| 114 |
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|
| 115 |
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# Handle --enable-rebuild-chartables |
| 116 |
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AC_ARG_ENABLE(rebuild-chartables, |
| 117 |
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AS_HELP_STRING([--enable-rebuild-chartables], |
| 118 |
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[rebuild character tables in current locale]), |
| 119 |
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, enable_rebuild_chartables=no) |
| 120 |
|
|
| 121 |
AC_C_CONST |
# Handle --enable-utf8 (disabled by default) |
| 122 |
AC_TYPE_SIZE_T |
AC_ARG_ENABLE(utf8, |
| 123 |
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AS_HELP_STRING([--enable-utf8], |
| 124 |
|
[enable UTF-8 support (incompatible with --enable-ebcdic)]), |
| 125 |
|
, enable_utf8=unset) |
| 126 |
|
|
| 127 |
AC_CHECK_TYPES([long long], [pcre_have_long_long="1"], [pcre_have_long_long="0"]) |
# Handle --enable-unicode-properties |
| 128 |
AC_CHECK_TYPES([unsigned long long], [pcre_have_ulong_long="1"], [pcre_have_ulong_long="0"]) |
AC_ARG_ENABLE(unicode-properties, |
| 129 |
AC_SUBST(pcre_have_long_long) |
AS_HELP_STRING([--enable-unicode-properties], |
| 130 |
AC_SUBST(pcre_have_ulong_long) |
[enable Unicode properties support (implies --enable-utf8)]), |
| 131 |
|
, enable_unicode_properties=no) |
| 132 |
|
|
| 133 |
|
# Handle --enable-newline=NL |
| 134 |
|
dnl AC_ARG_ENABLE(newline, |
| 135 |
|
dnl AS_HELP_STRING([--enable-newline=NL], |
| 136 |
|
dnl [use NL as newline (lf, cr, crlf, anycrlf, any; default=lf)]), |
| 137 |
|
dnl , enable_newline=lf) |
| 138 |
|
|
| 139 |
dnl Checks for library functions. |
# Separate newline options |
| 140 |
|
ac_pcre_newline=lf |
| 141 |
|
AC_ARG_ENABLE(newline-is-cr, |
| 142 |
|
AS_HELP_STRING([--enable-newline-is-cr], |
| 143 |
|
[use CR as newline character]), |
| 144 |
|
ac_pcre_newline=cr) |
| 145 |
|
AC_ARG_ENABLE(newline-is-lf, |
| 146 |
|
AS_HELP_STRING([--enable-newline-is-lf], |
| 147 |
|
[use LF as newline character (default)]), |
| 148 |
|
ac_pcre_newline=lf) |
| 149 |
|
AC_ARG_ENABLE(newline-is-crlf, |
| 150 |
|
AS_HELP_STRING([--enable-newline-is-crlf], |
| 151 |
|
[use CRLF as newline sequence]), |
| 152 |
|
ac_pcre_newline=crlf) |
| 153 |
|
AC_ARG_ENABLE(newline-is-anycrlf, |
| 154 |
|
AS_HELP_STRING([--enable-newline-is-anycrlf], |
| 155 |
|
[use CR, LF, or CRLF as newline sequence]), |
| 156 |
|
ac_pcre_newline=anycrlf) |
| 157 |
|
AC_ARG_ENABLE(newline-is-any, |
| 158 |
|
AS_HELP_STRING([--enable-newline-is-any], |
| 159 |
|
[use any valid Unicode newline sequence]), |
| 160 |
|
ac_pcre_newline=any) |
| 161 |
|
enable_newline="$ac_pcre_newline" |
| 162 |
|
|
| 163 |
|
# Handle --enable-bsr-anycrlf |
| 164 |
|
AC_ARG_ENABLE(bsr-anycrlf, |
| 165 |
|
AS_HELP_STRING([--enable-bsr-anycrlf], |
| 166 |
|
[\R matches only CR, LF, CRLF by default]), |
| 167 |
|
, enable_bsr_anycrlf=no) |
| 168 |
|
|
| 169 |
AC_CHECK_FUNCS(bcopy memmove strerror strtoq strtoll) |
# Handle --enable-ebcdic |
| 170 |
|
AC_ARG_ENABLE(ebcdic, |
| 171 |
|
AS_HELP_STRING([--enable-ebcdic], |
| 172 |
|
[assume EBCDIC coding rather than ASCII; incompatible with --enable-utf8; use only in (uncommon) EBCDIC environments; it implies --enable-rebuild-chartables]), |
| 173 |
|
, enable_ebcdic=no) |
| 174 |
|
|
| 175 |
dnl Handle --enable-utf8 |
# Handle --disable-stack-for-recursion |
| 176 |
|
AC_ARG_ENABLE(stack-for-recursion, |
| 177 |
|
AS_HELP_STRING([--disable-stack-for-recursion], |
| 178 |
|
[don't use stack recursion when matching]), |
| 179 |
|
, enable_stack_for_recursion=yes) |
| 180 |
|
|
| 181 |
|
# Handle --enable-pcregrep-libz |
| 182 |
|
AC_ARG_ENABLE(pcregrep-libz, |
| 183 |
|
AS_HELP_STRING([--enable-pcregrep-libz], |
| 184 |
|
[link pcregrep with libz to handle .gz files]), |
| 185 |
|
, enable_pcregrep_libz=no) |
| 186 |
|
|
| 187 |
|
# Handle --enable-pcregrep-libbz2 |
| 188 |
|
AC_ARG_ENABLE(pcregrep-libbz2, |
| 189 |
|
AS_HELP_STRING([--enable-pcregrep-libbz2], |
| 190 |
|
[link pcregrep with libbz2 to handle .bz2 files]), |
| 191 |
|
, enable_pcregrep_libbz2=no) |
| 192 |
|
|
| 193 |
|
# Handle --enable-pcretest-libreadline |
| 194 |
|
AC_ARG_ENABLE(pcretest-libreadline, |
| 195 |
|
AS_HELP_STRING([--enable-pcretest-libreadline], |
| 196 |
|
[link pcretest with libreadline]), |
| 197 |
|
, enable_pcretest_libreadline=no) |
| 198 |
|
|
| 199 |
AC_ARG_ENABLE(utf8, |
# Handle --with-posix-malloc-threshold=NBYTES |
| 200 |
[ --enable-utf8 enable UTF8 support], |
AC_ARG_WITH(posix-malloc-threshold, |
| 201 |
if test "$enableval" = "yes"; then |
AS_HELP_STRING([--with-posix-malloc-threshold=NBYTES], |
| 202 |
UTF8=-DSUPPORT_UTF8 |
[threshold for POSIX malloc usage (default=10)]), |
| 203 |
fi |
, with_posix_malloc_threshold=10) |
|
) |
|
| 204 |
|
|
| 205 |
dnl Handle --enable-unicode-properties |
# Handle --with-link-size=N |
| 206 |
|
AC_ARG_WITH(link-size, |
| 207 |
|
AS_HELP_STRING([--with-link-size=N], |
| 208 |
|
[internal link size (2, 3, or 4 allowed; default=2)]), |
| 209 |
|
, with_link_size=2) |
| 210 |
|
|
| 211 |
AC_ARG_ENABLE(unicode-properties, |
# Handle --with-match-limit=N |
| 212 |
[ --enable-unicode-properties enable Unicode properties support], |
AC_ARG_WITH(match-limit, |
| 213 |
if test "$enableval" = "yes"; then |
AS_HELP_STRING([--with-match-limit=N], |
| 214 |
UCP=-DSUPPORT_UCP |
[default limit on internal looping (default=10000000)]), |
| 215 |
|
, with_match_limit=10000000) |
| 216 |
|
|
| 217 |
|
# Handle --with-match-limit_recursion=N |
| 218 |
|
# |
| 219 |
|
# Note: In config.h, the default is to define MATCH_LIMIT_RECURSION |
| 220 |
|
# symbolically as MATCH_LIMIT, which in turn is defined to be some numeric |
| 221 |
|
# value (e.g. 10000000). MATCH_LIMIT_RECURSION can otherwise be set to some |
| 222 |
|
# different numeric value (or even the same numeric value as MATCH_LIMIT, |
| 223 |
|
# though no longer defined in terms of the latter). |
| 224 |
|
# |
| 225 |
|
AC_ARG_WITH(match-limit-recursion, |
| 226 |
|
AS_HELP_STRING([--with-match-limit-recursion=N], |
| 227 |
|
[default limit on internal recursion (default=MATCH_LIMIT)]), |
| 228 |
|
, with_match_limit_recursion=MATCH_LIMIT) |
| 229 |
|
|
| 230 |
|
# Make sure that if enable_unicode_properties was set, that UTF-8 support |
| 231 |
|
# is enabled. |
| 232 |
|
# |
| 233 |
|
if test "x$enable_unicode_properties" = "xyes" |
| 234 |
|
then |
| 235 |
|
if test "x$enable_utf8" = "xno" |
| 236 |
|
then |
| 237 |
|
AC_MSG_ERROR([support for Unicode properties requires UTF-8 support]) |
| 238 |
|
fi |
| 239 |
|
enable_utf8=yes |
| 240 |
fi |
fi |
|
) |
|
|
|
|
|
dnl Handle --enable-newline-is-cr |
|
| 241 |
|
|
| 242 |
AC_ARG_ENABLE(newline-is-cr, |
if test "x$enable_utf8" = "xunset" |
| 243 |
[ --enable-newline-is-cr use CR as the newline character], |
then |
| 244 |
if test "$enableval" = "yes"; then |
enable_utf8=no |
|
NEWLINE=-DNEWLINE=13 |
|
| 245 |
fi |
fi |
|
) |
|
|
|
|
|
dnl Handle --enable-newline-is-lf |
|
| 246 |
|
|
| 247 |
AC_ARG_ENABLE(newline-is-lf, |
# Make sure that if enable_ebcdic is set, rebuild_chartables is also enabled. |
| 248 |
[ --enable-newline-is-lf use LF as the newline character], |
# Also check that UTF-8 support is not requested, because PCRE cannot handle |
| 249 |
if test "$enableval" = "yes"; then |
# EBCDIC and UTF-8 in the same build. To do so it would need to use different |
| 250 |
NEWLINE=-DNEWLINE=10 |
# character constants depending on the mode. |
| 251 |
fi |
# |
| 252 |
) |
if test "x$enable_ebcdic" = "xyes" |
| 253 |
|
then |
| 254 |
|
enable_rebuild_chartables=yes |
| 255 |
|
if test "x$enable_utf8" = "xyes" |
| 256 |
|
then |
| 257 |
|
AC_MSG_ERROR([support for EBCDIC and UTF-8 cannot be enabled at the same time]) |
| 258 |
|
fi |
| 259 |
|
fi |
| 260 |
|
|
| 261 |
|
# Convert the newline identifier into the appropriate integer value. |
| 262 |
|
case "$enable_newline" in |
| 263 |
|
lf) ac_pcre_newline_value=10 ;; |
| 264 |
|
cr) ac_pcre_newline_value=13 ;; |
| 265 |
|
crlf) ac_pcre_newline_value=3338 ;; |
| 266 |
|
anycrlf) ac_pcre_newline_value=-2 ;; |
| 267 |
|
any) ac_pcre_newline_value=-1 ;; |
| 268 |
|
*) |
| 269 |
|
AC_MSG_ERROR([invalid argument \"$enable_newline\" to --enable-newline option]) |
| 270 |
|
;; |
| 271 |
|
esac |
| 272 |
|
|
| 273 |
dnl Handle --enable-newline-is-crlf |
# Check argument to --with-link-size |
| 274 |
|
case "$with_link_size" in |
| 275 |
|
2|3|4) ;; |
| 276 |
|
*) |
| 277 |
|
AC_MSG_ERROR([invalid argument \"$with_link_size\" to --with-link-size option]) |
| 278 |
|
;; |
| 279 |
|
esac |
| 280 |
|
|
| 281 |
AC_ARG_ENABLE(newline-is-crlf, |
AH_TOP([ |
| 282 |
[ --enable-newline-is-crlf use CRLF as the newline sequence], |
/* On Unix-like systems config.h.in is converted by "configure" into config.h. |
| 283 |
if test "$enableval" = "yes"; then |
Some other environments also support the use of "configure". PCRE is written in |
| 284 |
NEWLINE=-DNEWLINE=3338 |
Standard C, but there are a few non-standard things it can cope with, allowing |
| 285 |
fi |
it to run on SunOS4 and other "close to standard" systems. |
| 286 |
) |
|
| 287 |
|
If you are going to build PCRE "by hand" on a system without "configure" you |
| 288 |
|
should copy the distributed config.h.generic to config.h, and then set up the |
| 289 |
|
macro definitions the way you need them. You must then add -DHAVE_CONFIG_H to |
| 290 |
|
all of your compile commands, so that config.h is included at the start of |
| 291 |
|
every source. |
| 292 |
|
|
| 293 |
|
Alternatively, you can avoid editing by using -D on the compiler command line |
| 294 |
|
to set the macro values. In this case, you do not have to set -DHAVE_CONFIG_H. |
| 295 |
|
|
| 296 |
|
PCRE uses memmove() if HAVE_MEMMOVE is set to 1; otherwise it uses bcopy() if |
| 297 |
|
HAVE_BCOPY is set to 1. If your system has neither bcopy() nor memmove(), set |
| 298 |
|
them both to 0; an emulation function will be used. */]) |
| 299 |
|
|
| 300 |
dnl Handle --enable-ebcdic |
# Checks for header files. |
| 301 |
|
AC_HEADER_STDC |
| 302 |
|
AC_CHECK_HEADERS(limits.h sys/types.h sys/stat.h dirent.h windows.h) |
| 303 |
|
|
| 304 |
AC_ARG_ENABLE(ebcdic, |
# The files below are C++ header files. |
| 305 |
[ --enable-ebcdic assume EBCDIC coding rather than ASCII], |
pcre_have_type_traits="0" |
| 306 |
if test "$enableval" == "yes"; then |
pcre_have_bits_type_traits="0" |
| 307 |
EBCDIC=-DEBCDIC=1 |
if test "x$enable_cpp" = "xyes" -a -n "$CXX" |
| 308 |
fi |
then |
| 309 |
) |
AC_LANG_PUSH(C++) |
| 310 |
|
|
| 311 |
dnl Handle --disable-stack-for-recursion |
# Older versions of pcre defined pcrecpp::no_arg, but in new versions |
| 312 |
|
# it's called pcrecpp::RE::no_arg. For backwards ABI compatibility, |
| 313 |
|
# we want to make one an alias for the other. Different systems do |
| 314 |
|
# this in different ways. Some systems, for instance, can do it via |
| 315 |
|
# a linker flag: -alias (for os x 10.5) or -i (for os x <=10.4). |
| 316 |
|
OLD_LDFLAGS="$LDFLAGS" |
| 317 |
|
for flag in "-alias,__ZN7pcrecpp2RE6no_argE,__ZN7pcrecpp6no_argE" \ |
| 318 |
|
"-i__ZN7pcrecpp6no_argE:__ZN7pcrecpp2RE6no_argE"; do |
| 319 |
|
AC_MSG_CHECKING([for alias support in the linker]) |
| 320 |
|
LDFLAGS="$OLD_LDFLAGS -Wl,$flag" |
| 321 |
|
# We try to run the linker with this new ld flag. If the link fails, |
| 322 |
|
# we give up and remove the new flag from LDFLAGS. |
| 323 |
|
AC_LINK_IFELSE(AC_LANG_PROGRAM([namespace pcrecpp { |
| 324 |
|
class RE { static int no_arg; }; |
| 325 |
|
int RE::no_arg; |
| 326 |
|
}], |
| 327 |
|
[]), |
| 328 |
|
[AC_MSG_RESULT([yes]); |
| 329 |
|
EXTRA_LIBPCRECPP_LDFLAGS="$EXTRA_LIBPCRECPP_LDFLAGS -Wl,$flag"; |
| 330 |
|
break;], |
| 331 |
|
AC_MSG_RESULT([no])) |
| 332 |
|
done |
| 333 |
|
LDFLAGS="$OLD_LDFLAGS" |
| 334 |
|
|
| 335 |
|
# We could be more clever here, given we're doing AC_SUBST with this |
| 336 |
|
# (eg set a var to be the name of the include file we want). But we're not |
| 337 |
|
# so it's easy to change back to 'regular' autoconf vars if we needed to. |
| 338 |
|
AC_CHECK_HEADERS(string, [pcre_have_cpp_headers="1"], |
| 339 |
|
[pcre_have_cpp_headers="0"]) |
| 340 |
|
AC_CHECK_HEADERS(bits/type_traits.h, [pcre_have_bits_type_traits="1"], |
| 341 |
|
[pcre_have_bits_type_traits="0"]) |
| 342 |
|
AC_CHECK_HEADERS(type_traits.h, [pcre_have_type_traits="1"], |
| 343 |
|
[pcre_have_type_traits="0"]) |
| 344 |
|
|
| 345 |
AC_ARG_ENABLE(stack-for-recursion, |
# (This isn't c++-specific, but is only used in pcrecpp.cc, so try this |
| 346 |
[ --disable-stack-for-recursion disable use of stack recursion when matching], |
# in a c++ context. This matters becuase strtoimax is C99 and may not |
| 347 |
if test "$enableval" = "no"; then |
# be supported by the C++ compiler.) |
| 348 |
NO_RECURSE=-DNO_RECURSE |
# Figure out how to create a longlong from a string: strtoll and |
| 349 |
|
# equiv. It's not enough to call AC_CHECK_FUNCS: hpux has a |
| 350 |
|
# strtoll, for instance, but it only takes 2 args instead of 3! |
| 351 |
|
# We have to call AH_TEMPLATE since AC_DEFINE_UNQUOTED below is complex. |
| 352 |
|
AH_TEMPLATE(HAVE_STRTOQ, [Define to 1 if you have `strtoq'.]) |
| 353 |
|
AH_TEMPLATE(HAVE_STRTOLL, [Define to 1 if you have `strtoll'.]) |
| 354 |
|
AH_TEMPLATE(HAVE__STRTOI64, [Define to 1 if you have `_strtoi64'.]) |
| 355 |
|
AH_TEMPLATE(HAVE_STRTOIMAX, [Define to 1 if you have `strtoimax'.]) |
| 356 |
|
have_strto_fn=0 |
| 357 |
|
for fn in strtoq strtoll _strtoi64 strtoimax; do |
| 358 |
|
AC_MSG_CHECKING([for $fn]) |
| 359 |
|
if test "$fn" = strtoimax; then |
| 360 |
|
include=stdint.h |
| 361 |
|
else |
| 362 |
|
include=stdlib.h |
| 363 |
|
fi |
| 364 |
|
AC_COMPILE_IFELSE(AC_LANG_PROGRAM([#include <$include>], |
| 365 |
|
[char* e; return $fn("100", &e, 10)]), |
| 366 |
|
[AC_MSG_RESULT(yes) |
| 367 |
|
AC_DEFINE_UNQUOTED(HAVE_`echo $fn | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`, 1, |
| 368 |
|
[Define to 1 if you have `$fn'.]) |
| 369 |
|
have_strto_fn=1 |
| 370 |
|
break], |
| 371 |
|
[AC_MSG_RESULT(no)]) |
| 372 |
|
done |
| 373 |
|
|
| 374 |
|
if test "$have_strto_fn" = 1; then |
| 375 |
|
AC_CHECK_TYPES([long long], |
| 376 |
|
[pcre_have_long_long="1"], |
| 377 |
|
[pcre_have_long_long="0"]) |
| 378 |
|
AC_CHECK_TYPES([unsigned long long], |
| 379 |
|
[pcre_have_ulong_long="1"], |
| 380 |
|
[pcre_have_ulong_long="0"]) |
| 381 |
|
else |
| 382 |
|
pcre_have_long_long="0" |
| 383 |
|
pcre_have_ulong_long="0" |
| 384 |
fi |
fi |
| 385 |
) |
AC_SUBST(pcre_have_long_long) |
| 386 |
|
AC_SUBST(pcre_have_ulong_long) |
| 387 |
|
|
| 388 |
dnl There doesn't seem to be a straightforward way of having parameters |
AC_LANG_POP |
| 389 |
dnl that set values, other than fudging the --with thing. So that's what |
fi |
| 390 |
dnl I've done. |
# Using AC_SUBST eliminates the need to include config.h in a public .h file |
| 391 |
|
AC_SUBST(pcre_have_type_traits) |
| 392 |
|
AC_SUBST(pcre_have_bits_type_traits) |
| 393 |
|
|
| 394 |
dnl Handle --with-posix-malloc-threshold=n |
# Conditional compilation |
| 395 |
|
AM_CONDITIONAL(WITH_PCRE_CPP, test "x$enable_cpp" = "xyes") |
| 396 |
|
AM_CONDITIONAL(WITH_REBUILD_CHARTABLES, test "x$enable_rebuild_chartables" = "xyes") |
| 397 |
|
|
| 398 |
AC_ARG_WITH(posix-malloc-threshold, |
# Checks for typedefs, structures, and compiler characteristics. |
|
[ --with-posix-malloc-threshold=10 threshold for POSIX malloc usage], |
|
|
POSIX_MALLOC_THRESHOLD=-DPOSIX_MALLOC_THRESHOLD=$withval |
|
|
) |
|
| 399 |
|
|
| 400 |
dnl Handle --with-link-size=n |
AC_C_CONST |
| 401 |
|
AC_TYPE_SIZE_T |
| 402 |
|
|
| 403 |
AC_ARG_WITH(link-size, |
# Checks for library functions. |
|
[ --with-link-size=2 internal link size (2, 3, or 4 allowed)], |
|
|
LINK_SIZE=-DLINK_SIZE=$withval |
|
|
) |
|
| 404 |
|
|
| 405 |
dnl Handle --with-match-limit=n |
AC_CHECK_FUNCS(bcopy memmove strerror) |
| 406 |
|
|
| 407 |
AC_ARG_WITH(match-limit, |
# Check for the availability of libz (aka zlib) |
|
[ --with-match-limit=10000000 default limit on internal looping], |
|
|
MATCH_LIMIT=-DMATCH_LIMIT=$withval |
|
|
) |
|
| 408 |
|
|
| 409 |
dnl Handle --with-match-limit_recursion=n |
AC_CHECK_HEADERS([zlib.h], [HAVE_ZLIB_H=1]) |
| 410 |
|
AC_CHECK_LIB([z], [gzopen], [HAVE_LIBZ=1]) |
| 411 |
|
|
| 412 |
AC_ARG_WITH(match-limit-recursion, |
# Check for the availability of libbz2. Originally we just used AC_CHECK_LIB, |
| 413 |
[ --with-match-limit-recursion=10000000 default limit on internal recursion], |
# as for libz. However, this had the following problem, diagnosed and fixed by |
| 414 |
MATCH_LIMIT_RECURSION=-DMATCH_LIMIT_RECURSION=$withval |
# a user: |
| 415 |
) |
# |
| 416 |
|
# - libbz2 uses the Pascal calling convention (WINAPI) for the functions |
| 417 |
|
# under Win32. |
| 418 |
|
# - The standard autoconf AC_CHECK_LIB fails to include "bzlib.h", |
| 419 |
|
# therefore missing the function definition. |
| 420 |
|
# - The compiler thus generates a "C" signature for the test function. |
| 421 |
|
# - The linker fails to find the "C" function. |
| 422 |
|
# - PCRE fails to configure if asked to do so against libbz2. |
| 423 |
|
# |
| 424 |
|
# Solution: |
| 425 |
|
# |
| 426 |
|
# - Replace the AC_CHECK_LIB test with a custom test. |
| 427 |
|
|
| 428 |
|
AC_CHECK_HEADERS([bzlib.h], [HAVE_BZLIB_H=1]) |
| 429 |
|
# Original test |
| 430 |
|
# AC_CHECK_LIB([bz2], [BZ2_bzopen], [HAVE_LIBBZ2=1]) |
| 431 |
|
# |
| 432 |
|
# Custom test follows |
| 433 |
|
|
| 434 |
|
AC_MSG_CHECKING([for libbz2]) |
| 435 |
|
OLD_LIBS="$LIBS" |
| 436 |
|
LIBS="$LIBS -lbz2" |
| 437 |
|
AC_LINK_IFELSE( AC_LANG_PROGRAM([[ |
| 438 |
|
#ifdef HAVE_BZLIB_H |
| 439 |
|
#include <bzlib.h> |
| 440 |
|
#endif]], |
| 441 |
|
[[return (int)BZ2_bzopen("conftest", "rb");]]), |
| 442 |
|
[AC_MSG_RESULT([yes]);HAVE_LIBBZ2=1; break;], |
| 443 |
|
AC_MSG_RESULT([no])) |
| 444 |
|
LIBS="$OLD_LIBS" |
| 445 |
|
|
| 446 |
|
# Check for the availabiity of libreadline |
| 447 |
|
|
| 448 |
|
AC_CHECK_HEADERS([readline/readline.h], [HAVE_READLINE_H=1]) |
| 449 |
|
AC_CHECK_HEADERS([readline/history.h], [HAVE_HISTORY_H=1]) |
| 450 |
|
AC_CHECK_LIB([readline], [readline], [HAVE_LIB_READLINE=1]) |
| 451 |
|
|
| 452 |
dnl Unicode character property support implies UTF-8 support |
# This facilitates -ansi builds under Linux |
| 453 |
|
dnl AC_DEFINE([_GNU_SOURCE], [], [Enable GNU extensions in glibc]) |
| 454 |
|
|
| 455 |
if test "$UCP" != "" ; then |
PCRE_STATIC_CFLAG="" |
| 456 |
UTF8=-DSUPPORT_UTF8 |
if test "x$enable_shared" = "xno" ; then |
| 457 |
fi |
AC_DEFINE([PCRE_STATIC], [1], [ |
| 458 |
|
Define if linking statically (TODO: make nice with Libtool)]) |
| 459 |
|
PCRE_STATIC_CFLAG="-DPCRE_STATIC" |
| 460 |
|
fi |
| 461 |
|
AC_SUBST(PCRE_STATIC_CFLAG) |
| 462 |
|
|
| 463 |
|
# Here is where pcre specific defines are handled |
| 464 |
|
|
| 465 |
|
if test "$enable_utf8" = "yes"; then |
| 466 |
|
AC_DEFINE([SUPPORT_UTF8], [], [ |
| 467 |
|
Define to enable support for the UTF-8 Unicode encoding. This will |
| 468 |
|
work even in an EBCDIC environment, but it is incompatible with |
| 469 |
|
the EBCDIC macro. That is, PCRE can support *either* EBCDIC code |
| 470 |
|
*or* ASCII/UTF-8, but not both at once.]) |
| 471 |
|
fi |
| 472 |
|
|
| 473 |
|
if test "$enable_unicode_properties" = "yes"; then |
| 474 |
|
AC_DEFINE([SUPPORT_UCP], [], [ |
| 475 |
|
Define to enable support for Unicode properties]) |
| 476 |
|
fi |
| 477 |
|
|
| 478 |
|
if test "$enable_stack_for_recursion" = "no"; then |
| 479 |
|
AC_DEFINE([NO_RECURSE], [], [ |
| 480 |
|
PCRE uses recursive function calls to handle backtracking while |
| 481 |
|
matching. This can sometimes be a problem on systems that have |
| 482 |
|
stacks of limited size. Define NO_RECURSE to get a version that |
| 483 |
|
doesn't use recursion in the match() function; instead it creates |
| 484 |
|
its own stack by steam using pcre_recurse_malloc() to obtain memory |
| 485 |
|
from the heap. For more detail, see the comments and other stuff |
| 486 |
|
just above the match() function. On systems that support it, |
| 487 |
|
"configure" can be used to set this in the Makefile |
| 488 |
|
(use --disable-stack-for-recursion).]) |
| 489 |
|
fi |
| 490 |
|
|
| 491 |
|
if test "$enable_pcregrep_libz" = "yes"; then |
| 492 |
|
AC_DEFINE([SUPPORT_LIBZ], [], [ |
| 493 |
|
Define to allow pcregrep to be linked with libz, so that it is |
| 494 |
|
able to handle .gz files.]) |
| 495 |
|
fi |
| 496 |
|
|
| 497 |
|
if test "$enable_pcregrep_libbz2" = "yes"; then |
| 498 |
|
AC_DEFINE([SUPPORT_LIBBZ2], [], [ |
| 499 |
|
Define to allow pcregrep to be linked with libbz2, so that it is |
| 500 |
|
able to handle .bz2 files.]) |
| 501 |
|
fi |
| 502 |
|
|
| 503 |
|
if test "$enable_pcretest_libreadline" = "yes"; then |
| 504 |
|
AC_DEFINE([SUPPORT_LIBREADLINE], [], [ |
| 505 |
|
Define to allow pcretest to be linked with libreadline.]) |
| 506 |
|
fi |
| 507 |
|
|
| 508 |
|
AC_DEFINE_UNQUOTED([NEWLINE], [$ac_pcre_newline_value], [ |
| 509 |
|
The value of NEWLINE determines the newline character sequence. On |
| 510 |
|
systems that support it, "configure" can be used to override the |
| 511 |
|
default, which is 10. The possible values are 10 (LF), 13 (CR), |
| 512 |
|
3338 (CRLF), -1 (ANY), or -2 (ANYCRLF).]) |
| 513 |
|
|
| 514 |
|
if test "$enable_bsr_anycrlf" = "yes"; then |
| 515 |
|
AC_DEFINE([BSR_ANYCRLF], [], [ |
| 516 |
|
By default, the \R escape sequence matches any Unicode line ending |
| 517 |
|
character or sequence of characters. If BSR_ANYCRLF is defined, this is |
| 518 |
|
changed so that backslash-R matches only CR, LF, or CRLF. The build- |
| 519 |
|
time default can be overridden by the user of PCRE at runtime. On |
| 520 |
|
systems that support it, "configure" can be used to override the |
| 521 |
|
default.]) |
| 522 |
|
fi |
| 523 |
|
|
| 524 |
|
AC_DEFINE_UNQUOTED([LINK_SIZE], [$with_link_size], [ |
| 525 |
|
The value of LINK_SIZE determines the number of bytes used to store |
| 526 |
|
links as offsets within the compiled regex. The default is 2, which |
| 527 |
|
allows for compiled patterns up to 64K long. This covers the vast |
| 528 |
|
majority of cases. However, PCRE can also be compiled to use 3 or 4 |
| 529 |
|
bytes instead. This allows for longer patterns in extreme cases. On |
| 530 |
|
systems that support it, "configure" can be used to override this default.]) |
| 531 |
|
|
| 532 |
|
AC_DEFINE_UNQUOTED([POSIX_MALLOC_THRESHOLD], [$with_posix_malloc_threshold], [ |
| 533 |
|
When calling PCRE via the POSIX interface, additional working storage |
| 534 |
|
is required for holding the pointers to capturing substrings because |
| 535 |
|
PCRE requires three integers per substring, whereas the POSIX |
| 536 |
|
interface provides only two. If the number of expected substrings is |
| 537 |
|
small, the wrapper function uses space on the stack, because this is |
| 538 |
|
faster than using malloc() for each call. The threshold above which |
| 539 |
|
the stack is no longer used is defined by POSIX_MALLOC_THRESHOLD. On |
| 540 |
|
systems that support it, "configure" can be used to override this |
| 541 |
|
default.]) |
| 542 |
|
|
| 543 |
|
AC_DEFINE_UNQUOTED([MATCH_LIMIT], [$with_match_limit], [ |
| 544 |
|
The value of MATCH_LIMIT determines the default number of times the |
| 545 |
|
internal match() function can be called during a single execution of |
| 546 |
|
pcre_exec(). There is a runtime interface for setting a different |
| 547 |
|
limit. The limit exists in order to catch runaway regular |
| 548 |
|
expressions that take for ever to determine that they do not match. |
| 549 |
|
The default is set very large so that it does not accidentally catch |
| 550 |
|
legitimate cases. On systems that support it, "configure" can be |
| 551 |
|
used to override this default default.]) |
| 552 |
|
|
| 553 |
|
AC_DEFINE_UNQUOTED([MATCH_LIMIT_RECURSION], [$with_match_limit_recursion], [ |
| 554 |
|
The above limit applies to all calls of match(), whether or not they |
| 555 |
|
increase the recursion depth. In some environments it is desirable |
| 556 |
|
to limit the depth of recursive calls of match() more strictly, in |
| 557 |
|
order to restrict the maximum amount of stack (or heap, if |
| 558 |
|
NO_RECURSE is defined) that is used. The value of |
| 559 |
|
MATCH_LIMIT_RECURSION applies only to recursive calls of match(). To |
| 560 |
|
have any useful effect, it must be less than the value of |
| 561 |
|
MATCH_LIMIT. The default is to use the same value as MATCH_LIMIT. |
| 562 |
|
There is a runtime method for setting a different limit. On systems |
| 563 |
|
that support it, "configure" can be used to override the default.]) |
| 564 |
|
|
| 565 |
|
AC_DEFINE([MAX_NAME_SIZE], [32], [ |
| 566 |
|
This limit is parameterized just in case anybody ever wants to |
| 567 |
|
change it. Care must be taken if it is increased, because it guards |
| 568 |
|
against integer overflow caused by enormously large patterns.]) |
| 569 |
|
|
| 570 |
|
AC_DEFINE([MAX_NAME_COUNT], [10000], [ |
| 571 |
|
This limit is parameterized just in case anybody ever wants to |
| 572 |
|
change it. Care must be taken if it is increased, because it guards |
| 573 |
|
against integer overflow caused by enormously large patterns.]) |
| 574 |
|
|
| 575 |
|
AH_VERBATIM([PCRE_EXP_DEFN], [ |
| 576 |
|
/* If you are compiling for a system other than a Unix-like system or |
| 577 |
|
Win32, and it needs some magic to be inserted before the definition |
| 578 |
|
of a function that is exported by the library, define this macro to |
| 579 |
|
contain the relevant magic. If you do not define this macro, it |
| 580 |
|
defaults to "extern" for a C compiler and "extern C" for a C++ |
| 581 |
|
compiler on non-Win32 systems. This macro apears at the start of |
| 582 |
|
every exported function that is part of the external API. It does |
| 583 |
|
not appear on functions that are "external" in the C sense, but |
| 584 |
|
which are internal to the library. */ |
| 585 |
|
#undef PCRE_EXP_DEFN]) |
| 586 |
|
|
| 587 |
|
if test "$enable_ebcdic" = "yes"; then |
| 588 |
|
AC_DEFINE_UNQUOTED([EBCDIC], [], [ |
| 589 |
|
If you are compiling for a system that uses EBCDIC instead of ASCII |
| 590 |
|
character codes, define this macro as 1. On systems that can use |
| 591 |
|
"configure", this can be done via --enable-ebcdic. PCRE will then |
| 592 |
|
assume that all input strings are in EBCDIC. If you do not define |
| 593 |
|
this macro, PCRE will assume input strings are ASCII or UTF-8 Unicode. |
| 594 |
|
It is not possible to build a version of PCRE that supports both |
| 595 |
|
EBCDIC and UTF-8.]) |
| 596 |
|
fi |
| 597 |
|
|
| 598 |
|
# Platform specific issues |
| 599 |
|
NO_UNDEFINED= |
| 600 |
|
EXPORT_ALL_SYMBOLS= |
| 601 |
|
case $host_os in |
| 602 |
|
cygwin* | mingw* ) |
| 603 |
|
if test X"$enable_shared" = Xyes; then |
| 604 |
|
NO_UNDEFINED="-no-undefined" |
| 605 |
|
EXPORT_ALL_SYMBOLS="-Wl,--export-all-symbols" |
| 606 |
|
fi |
| 607 |
|
;; |
| 608 |
|
esac |
| 609 |
|
|
| 610 |
dnl "Export" these variables |
# The extra LDFLAGS for each particular library |
| 611 |
|
# (Note: The libpcre*_version bits are m4 variables, assigned above) |
| 612 |
|
|
| 613 |
AC_SUBST(BUILD_EXEEXT) |
EXTRA_LIBPCRE_LDFLAGS="$EXTRA_LIBPCRE_LDFLAGS \ |
| 614 |
AC_SUBST(BUILD_OBJEXT) |
$NO_UNDEFINED -version-info libpcre_version" |
|
AC_SUBST(CC_FOR_BUILD) |
|
|
AC_SUBST(CXX_FOR_BUILD) |
|
|
AC_SUBST(CFLAGS_FOR_BUILD) |
|
|
AC_SUBST(CXXFLAGS_FOR_BUILD) |
|
|
AC_SUBST(CXXLDFLAGS) |
|
|
AC_SUBST(EBCDIC) |
|
|
AC_SUBST(HAVE_MEMMOVE) |
|
|
AC_SUBST(HAVE_STRERROR) |
|
|
AC_SUBST(LINK_SIZE) |
|
|
AC_SUBST(MATCH_LIMIT) |
|
|
AC_SUBST(MATCH_LIMIT_RECURSION) |
|
|
AC_SUBST(NEWLINE) |
|
|
AC_SUBST(NO_RECURSE) |
|
|
AC_SUBST(PCRE_LIB_VERSION) |
|
|
AC_SUBST(PCRE_POSIXLIB_VERSION) |
|
|
AC_SUBST(PCRE_CPPLIB_VERSION) |
|
|
AC_SUBST(PCRE_VERSION) |
|
|
AC_SUBST(POSIX_MALLOC_THRESHOLD) |
|
|
AC_SUBST(UCP) |
|
|
AC_SUBST(UTF8) |
|
| 615 |
|
|
| 616 |
dnl Stuff to make MinGW work better. Special treatment is no longer |
EXTRA_LIBPCREPOSIX_LDFLAGS="$EXTRA_LIBPCREPOSIX_LDFLAGS \ |
| 617 |
dnl needed for Cygwin. |
$NO_UNDEFINED -version-info libpcreposix_version" |
| 618 |
|
|
| 619 |
case $host_os in |
EXTRA_LIBPCRECPP_LDFLAGS="$EXTRA_LIBPCRECPP_LDFLAGS \ |
| 620 |
mingw* ) |
$NO_UNDEFINED -version-info libpcrecpp_version \ |
| 621 |
POSIX_OBJ=pcreposix.o |
$EXPORT_ALL_SYMBOLS" |
| 622 |
POSIX_LOBJ=pcreposix.lo |
|
| 623 |
POSIX_LIB= |
AC_SUBST(EXTRA_LIBPCRE_LDFLAGS) |
| 624 |
ON_WINDOWS= |
AC_SUBST(EXTRA_LIBPCREPOSIX_LDFLAGS) |
| 625 |
NOT_ON_WINDOWS="#" |
AC_SUBST(EXTRA_LIBPCRECPP_LDFLAGS) |
| 626 |
WIN_PREFIX= |
|
| 627 |
;; |
# When we run 'make distcheck', use these arguments. |
| 628 |
* ) |
DISTCHECK_CONFIGURE_FLAGS="--enable-cpp --enable-unicode-properties" |
| 629 |
ON_WINDOWS="#" |
AC_SUBST(DISTCHECK_CONFIGURE_FLAGS) |
| 630 |
NOT_ON_WINDOWS= |
|
| 631 |
POSIX_OBJ= |
# Check that, if --enable-pcregrep-libz or --enable-pcregrep-libbz2 is |
| 632 |
POSIX_LOBJ= |
# specified, the relevant library is available. |
| 633 |
POSIX_LIB=libpcreposix.la |
|
| 634 |
WIN_PREFIX= |
if test "$enable_pcregrep_libz" = "yes"; then |
| 635 |
;; |
if test "$HAVE_ZLIB_H" != "1"; then |
| 636 |
esac |
echo "** Cannot --enable-pcregrep-libz because zlib.h was not found" |
| 637 |
AC_SUBST(WIN_PREFIX) |
exit 1 |
| 638 |
AC_SUBST(ON_WINDOWS) |
fi |
| 639 |
AC_SUBST(NOT_ON_WINDOWS) |
if test "$HAVE_LIBZ" != "1"; then |
| 640 |
AC_SUBST(POSIX_OBJ) |
echo "** Cannot --enable-pcregrep-libz because libz was not found" |
| 641 |
AC_SUBST(POSIX_LOBJ) |
exit 1 |
| 642 |
AC_SUBST(POSIX_LIB) |
fi |
| 643 |
|
LIBZ="-lz" |
| 644 |
|
fi |
| 645 |
|
AC_SUBST(LIBZ) |
| 646 |
|
|
| 647 |
|
if test "$enable_pcregrep_libbz2" = "yes"; then |
| 648 |
|
if test "$HAVE_BZLIB_H" != "1"; then |
| 649 |
|
echo "** Cannot --enable-pcregrep-libbz2 because bzlib.h was not found" |
| 650 |
|
exit 1 |
| 651 |
|
fi |
| 652 |
|
if test "$HAVE_LIBBZ2" != "1"; then |
| 653 |
|
echo "** Cannot --enable-pcregrep-libbz2 because libbz2 was not found" |
| 654 |
|
exit 1 |
| 655 |
|
fi |
| 656 |
|
LIBBZ2="-lbz2" |
| 657 |
|
fi |
| 658 |
|
AC_SUBST(LIBBZ2) |
| 659 |
|
|
| 660 |
|
# Similarly for --enable-pcretest-readline |
| 661 |
|
|
| 662 |
|
if test "$enable_pcretest_libreadline" = "yes"; then |
| 663 |
|
if test "$HAVE_READLINE_H" != "1"; then |
| 664 |
|
echo "** Cannot --enable-pcretest-readline because readline/readline.h was not found." |
| 665 |
|
exit 1 |
| 666 |
|
fi |
| 667 |
|
if test "$HAVE_HISTORY_H" != "1"; then |
| 668 |
|
echo "** Cannot --enable-pcretest-readline because readline/history.h was not found." |
| 669 |
|
exit 1 |
| 670 |
|
fi |
| 671 |
|
LIBREADLINE="-lreadline" |
| 672 |
|
fi |
| 673 |
|
AC_SUBST(LIBREADLINE) |
| 674 |
|
|
| 675 |
|
# Produce these files, in addition to config.h. |
| 676 |
|
AC_CONFIG_FILES( |
| 677 |
|
Makefile |
| 678 |
|
libpcre.pc |
| 679 |
|
libpcreposix.pc |
| 680 |
|
libpcrecpp.pc |
| 681 |
|
pcre-config |
| 682 |
|
pcre.h |
| 683 |
|
pcre_stringpiece.h |
| 684 |
|
pcrecpparg.h |
| 685 |
|
) |
| 686 |
|
|
| 687 |
|
# Make the generated script files executable. |
| 688 |
|
AC_CONFIG_COMMANDS([script-chmod], [chmod a+x pcre-config]) |
| 689 |
|
|
| 690 |
|
# Make sure that pcre_chartables.c is removed in case the method for |
| 691 |
|
# creating it was changed by reconfiguration. |
| 692 |
|
AC_CONFIG_COMMANDS([delete-old-chartables], [rm -f pcre_chartables.c]) |
| 693 |
|
|
| 694 |
|
AC_OUTPUT |
| 695 |
|
|
| 696 |
|
# Print out a nice little message after configure is run displaying your |
| 697 |
|
# chosen options. |
| 698 |
|
|
| 699 |
|
cat <<EOF |
| 700 |
|
|
| 701 |
|
$PACKAGE-$VERSION configuration summary: |
| 702 |
|
|
| 703 |
|
Install prefix .................. : ${prefix} |
| 704 |
|
C preprocessor .................. : ${CPP} |
| 705 |
|
C compiler ...................... : ${CC} |
| 706 |
|
C++ preprocessor ................ : ${CXXCPP} |
| 707 |
|
C++ compiler .................... : ${CXX} |
| 708 |
|
Linker .......................... : ${LD} |
| 709 |
|
C preprocessor flags ............ : ${CPPFLAGS} |
| 710 |
|
C compiler flags ................ : ${CFLAGS} |
| 711 |
|
C++ compiler flags .............. : ${CXXFLAGS} |
| 712 |
|
Linker flags .................... : ${LDFLAGS} |
| 713 |
|
Extra libraries ................. : ${LIBS} |
| 714 |
|
|
| 715 |
|
Build C++ library ............... : ${enable_cpp} |
| 716 |
|
Enable UTF-8 support ............ : ${enable_utf8} |
| 717 |
|
Unicode properties .............. : ${enable_unicode_properties} |
| 718 |
|
Newline char/sequence ........... : ${enable_newline} |
| 719 |
|
\R matches only ANYCRLF ......... : ${enable_bsr_anycrlf} |
| 720 |
|
EBCDIC coding ................... : ${enable_ebcdic} |
| 721 |
|
Rebuild char tables ............. : ${enable_rebuild_chartables} |
| 722 |
|
Use stack recursion ............. : ${enable_stack_for_recursion} |
| 723 |
|
POSIX mem threshold ............. : ${with_posix_malloc_threshold} |
| 724 |
|
Internal link size .............. : ${with_link_size} |
| 725 |
|
Match limit ..................... : ${with_match_limit} |
| 726 |
|
Match limit recursion ........... : ${with_match_limit_recursion} |
| 727 |
|
Build shared libs ............... : ${enable_shared} |
| 728 |
|
Build static libs ............... : ${enable_static} |
| 729 |
|
Link pcregrep with libz ......... : ${enable_pcregrep_libz} |
| 730 |
|
Link pcregrep with libbz2 ....... : ${enable_pcregrep_libbz2} |
| 731 |
|
Link pcretest with libreadline .. : ${enable_pcretest_libreadline} |
| 732 |
|
|
| 733 |
if test "x$enable_shared" = "xno" ; then |
EOF |
|
AC_DEFINE([PCRE_STATIC],[1],[to link statically]) |
|
|
fi |
|
| 734 |
|
|
| 735 |
dnl This must be last; it determines what files are written as well as config.h |
dnl end configure.ac |
|
AC_OUTPUT(Makefile pcre-config:pcre-config.in libpcre.pc:libpcre.pc.in pcrecpparg.h:pcrecpparg.h.in pcre_stringpiece.h:pcre_stringpiece.h.in RunGrepTest:RunGrepTest.in RunTest:RunTest.in,[chmod a+x RunTest RunGrepTest pcre-config]) |
|
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