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PCRE2

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Closes #2120
This commit is contained in:
Julien Schueller 2022-01-04 13:50:02 +01:00
commit 15515f390c
12 changed files with 106 additions and 121 deletions
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10
CMakeLists.txt
View file

@ -73,11 +73,11 @@ if (MSVC)
set (CMAKE_CXX_FLAGS "/EHsc ${CMAKE_CXX_FLAGS}")
endif ()
option (WITH_PCRE "Enable pcre" ON)
option (WITH_PCRE "Enable PCRE" ON)
if (WITH_PCRE)
find_package (PCRE REQUIRED)
find_package (PCRE2 REQUIRED)
set (HAVE_PCRE 1)
include_directories (${PCRE_INCLUDE_DIRS})
include_directories (${PCRE2_INCLUDE_DIRS})
endif()
if (WIN32)
@ -145,8 +145,8 @@ add_executable (swig
${PROJECT_BINARY_DIR}/Source/CParse/parser.c
${PROJECT_BINARY_DIR}/Source/CParse/parser.h
)
if (PCRE_FOUND)
target_link_libraries (swig ${PCRE_LIBRARIES})
if (PCRE2_FOUND)
target_link_libraries (swig ${PCRE2_LIBRARIES})
endif ()
install (TARGETS swig DESTINATION bin)

6
Doc/Manual/Preface.html
View file

@ -283,9 +283,9 @@ You must use <a href="http://www.gnu.org/software/make/">GNU make</a> to build a
<p>
<a href="http://www.pcre.org/">PCRE</a>
needs to be installed on your system to build SWIG, in particular
pcre-config must be available. If you have PCRE headers and libraries but not
pcre-config itself or, alternatively, wish to override the compiler or linker
flags returned by pcre-config, you may set PCRE_LIBS and PCRE_CFLAGS variables
pcre2-config must be available. If you have PCRE headers and libraries but not
pcre2-config itself or, alternatively, wish to override the compiler or linker
flags returned by pcre-config, you may set PCRE2_LIBS and PCRE2_CFLAGS variables
to be used instead. And if you don't have PCRE at all, the configure script
will provide instructions for obtaining it.
</p>

22
Doc/Manual/Windows.html
View file

@ -239,7 +239,7 @@ For fully working build steps always check the Continuous Integration setups cur
<ol>
<li>
Install Nuget from <a href="https://www.nuget.org/downloads">https://www.nuget.org/downloads</a> (v5.8.1 is used in this example, and installed to C:\Tools). Nuget is the package manager
for .NET, but allows us to easily install <a href="https://www.pcre.org/">PCRE</a> and other dependencies required by SWIG.
for .NET, but allows us to easily install <a href="https://cmake.org/">CMake</a> and other dependencies required by SWIG.
</li>
<li>
Install CMake using the following command: <pre>C:\Tools\nuget install CMake-win64 -Version 3.15.5 -OutputDirectory C:\Tools\CMake</pre>
@ -251,8 +251,14 @@ For fully working build steps always check the Continuous Integration setups cur
and save to a folder e.g. C:\Tools\Bison
</li>
<li>
Install PCRE using Nuget using the following command: <pre>C:\Tools\nuget install pcre -Version 8.33.0.1 -OutputDirectory C:\Tools\pcre</pre>.
Alternatively, use <tt>WITH_PCRE</tt> option to disable PCRE support if you are sure not to need it.
Install PCRE2 using the following commands:
<div class="shell"><pre>
git clone https://github.com/PhilipHazel/pcre2.git
cd pcre2
cmake -G "Visual Studio 15 2017 Win64" -DCMAKE_INSTALL_PREFIX=C:/pcre .
cmake --build . --config Release --target install
</pre></div>
Alternatively, use <tt>WITH_PCRE</tt> option to disable PCRE support if you are sure not to need it.
</li>
<li>
We will also need the SWIG source code. Either download a zipped archive from GitHub, or if git is installed clone the latest codebase
@ -272,10 +278,10 @@ For fully working build steps always check the Continuous Integration setups cur
<pre>
cd C:\swig
SET PATH=C:\Tools\CMake\CMake-win64.3.15.5\bin;C:\Tools\bison\bison-win32.2.4.1.1\tools\native\bin;%PATH%
SET PCRE_ROOT=C:\Tools\pcre\pcre.8.33.0.1\build\native
SET PCRE_ROOT=C:/pcre
SET PCRE_PLATFORM=x64
cmake -G "Visual Studio 15 2017 Win64" -DCMAKE_INSTALL_PREFIX="%CD:\=/%/install2" -DCMAKE_C_FLAGS="/DPCRE_STATIC" ^
-DPCRE_INCLUDE_DIR=%PCRE_ROOT%/include -DPCRE_LIBRARY=%PCRE_ROOT%/lib/v110/%PCRE_PLATFORM%/Release/static/utf8/pcre8.lib .
cmake -G "Visual Studio 15 2017 Win64" -DCMAKE_INSTALL_PREFIX="%CD:\=/%/install2" -DCMAKE_C_FLAGS="/DPCRE2_STATIC" ^
-DPCRE2_INCLUDE_DIR=%PCRE_ROOT%/include -DPCRE2_LIBRARY=%PCRE_ROOT%/lib/pcre2-8.lib .
cmake --build . --config Release
REM to test the exe
@ -311,7 +317,7 @@ Install the packages needed to build swig:<br>
<div class="shell">
<pre>
pacman -S git autoconf automake bison gcc make pcre-devel
pacman -S git autoconf automake bison gcc make pcre2-devel
</pre>
</div>
@ -446,7 +452,7 @@ the autotools will fail miserably on those.
<li>
The PCRE third party library needs to be built next.
Download the latest PCRE source tarball, such as <tt>pcre-8.10.tar.bz2</tt>, from
Download the latest PCRE source tarball, such as <tt>pcre2-10.39.tar.bz2</tt>, from
<a href=http://www.pcre.org>PCRE</a> and place in the <tt>/usr/src/swig</tt> directory.
Build PCRE as a static library using the Tools/pcre-build.sh script as follows:

41
Source/Swig/misc.c
View file

@ -1312,7 +1312,8 @@ void Swig_offset_string(String *s, int number) {
#ifdef HAVE_PCRE
#include <pcre.h>
#define PCRE2_CODE_UNIT_WIDTH 8
#include <pcre2.h>
static int split_regex_pattern_subst(String *s, String **pattern, String **subst, const char **input)
{
@ -1375,7 +1376,7 @@ static void copy_with_maybe_case_conversion(String *dst, const char *src, int le
}
}
String *replace_captures(int num_captures, const char *input, String *subst, int captures[], String *pattern, String *s)
String *replace_captures(int num_captures, const char *input, String *subst, size_t captures[], String *pattern, String *s)
{
int convertCase = 0, convertNextOnly = 0;
String *result = NewStringEmpty();
@ -1397,7 +1398,7 @@ String *replace_captures(int num_captures, const char *input, String *subst, int
} else if (isdigit((unsigned char)*p)) {
int group = *p++ - '0';
if (group < num_captures) {
int l = captures[group*2], r = captures[group*2 + 1];
int l = (int)captures[group*2], r = (int)captures[group*2 + 1];
if (l != -1) {
copy_with_maybe_case_conversion(result, input + l, r - l, &convertCase, convertNextOnly);
}
@ -1449,26 +1450,31 @@ String *Swig_string_regex(String *s) {
const int pcre_options = 0;
String *res = 0;
pcre *compiled_pat = 0;
const char *pcre_error, *input;
int pcre_errorpos;
pcre2_code *compiled_pat = 0;
const char *input;
PCRE2_UCHAR pcre_error[256];
int pcre_errornum;
size_t pcre_errorpos;
String *pattern = 0, *subst = 0;
int captures[30];
size_t *captures = 0;
pcre2_match_data *match_data = 0;
if (split_regex_pattern_subst(s, &pattern, &subst, &input)) {
int rc;
compiled_pat = pcre_compile(
Char(pattern), pcre_options, &pcre_error, &pcre_errorpos, NULL);
compiled_pat = pcre2_compile(
(PCRE2_SPTR8)Char(pattern), PCRE2_ZERO_TERMINATED, pcre_options, &pcre_errornum, &pcre_errorpos, NULL);
if (!compiled_pat) {
pcre2_get_error_message (pcre_errornum, pcre_error, sizeof pcre_error);
Swig_error("SWIG", Getline(s), "PCRE compilation failed: '%s' in '%s':%i.\n",
pcre_error, Char(pattern), pcre_errorpos);
SWIG_exit(EXIT_FAILURE);
}
rc = pcre_exec(compiled_pat, NULL, input, (int)strlen(input), 0, 0, captures, 30);
match_data = pcre2_match_data_create_from_pattern (compiled_pat, NULL);
rc = pcre2_match(compiled_pat, (PCRE2_SPTR8)input, PCRE2_ZERO_TERMINATED, 0, 0, match_data, NULL);
captures = pcre2_get_ovector_pointer (match_data);
if (rc >= 0) {
res = replace_captures(rc, input, subst, captures, pattern, s);
} else if (rc != PCRE_ERROR_NOMATCH) {
} else if (rc != PCRE2_ERROR_NOMATCH) {
Swig_error("SWIG", Getline(s), "PCRE execution failed: error %d while matching \"%s\" using \"%s\".\n",
rc, Char(pattern), input);
SWIG_exit(EXIT_FAILURE);
@ -1477,12 +1483,19 @@ String *Swig_string_regex(String *s) {
DohDelete(pattern);
DohDelete(subst);
pcre_free(compiled_pat);
pcre2_code_free(compiled_pat);
pcre2_match_data_free(match_data);
return res ? res : NewStringEmpty();
}
String *Swig_pcre_version(void) {
return NewStringf("PCRE Version: %s", pcre_version());
int len = pcre2_config(PCRE2_CONFIG_VERSION, NULL);
char *buf = malloc(len);
String *result;
pcre2_config(PCRE2_CONFIG_VERSION, buf);
result = NewStringf("PCRE Version: %s", buf);
free(buf);
return result;
}
#else

22
Source/Swig/naming.c
View file

@ -1092,26 +1092,32 @@ static DOH *get_lattr(Node *n, List *lattr) {
}
#ifdef HAVE_PCRE
#include <pcre.h>
#define PCRE2_CODE_UNIT_WIDTH 8
#include <pcre2.h>
static int name_regexmatch_value(Node *n, String *pattern, String *s) {
pcre *compiled_pat;
const char *err;
int errpos;
pcre2_code *compiled_pat;
PCRE2_UCHAR err[256];
int errornum;
size_t errpos;
int rc;
compiled_pat = pcre_compile(Char(pattern), 0, &err, &errpos, NULL);
compiled_pat = pcre2_compile((PCRE2_SPTR8)Char(pattern), PCRE2_ZERO_TERMINATED, 0, &errornum, &errpos, NULL);
if (!compiled_pat) {
pcre2_get_error_message (errornum, err, sizeof err);
Swig_error("SWIG", Getline(n),
"Invalid regex \"%s\": compilation failed at %d: %s\n",
Char(pattern), errpos, err);
SWIG_exit(EXIT_FAILURE);
}
rc = pcre_exec(compiled_pat, NULL, Char(s), Len(s), 0, 0, NULL, 0);
pcre_free(compiled_pat);
pcre2_match_data *match_data = 0;
match_data = pcre2_match_data_create_from_pattern (compiled_pat, NULL);
rc = pcre2_match(compiled_pat, (PCRE2_SPTR8)Char(s), PCRE2_ZERO_TERMINATED, 0, 0, match_data, 0);
pcre2_code_free(compiled_pat);
pcre2_match_data_free(match_data);
if (rc == PCRE_ERROR_NOMATCH)
if (rc == PCRE2_ERROR_NOMATCH)
return 0;
if (rc < 0 ) {

37
Tools/cmake/FindPCRE.cmake
View file

@ -1,37 +0,0 @@
# Copyright (C) 2007-2009 LuaDist.
# Created by Peter Kapec <kapecp@gmail.com>
# Redistribution and use of this file is allowed according to the terms of the MIT license.
# For details see the COPYRIGHT file distributed with LuaDist.
# Note:
# Searching headers and libraries is very simple and is NOT as powerful as scripts
# distributed with CMake, because LuaDist defines directories to search for.
# Everyone is encouraged to contact the author with improvements. Maybe this file
# becomes part of CMake distribution sometimes.
# - Find pcre
# Find the native PCRE headers and libraries.
#
# PCRE_INCLUDE_DIRS - where to find pcre.h, etc.
# PCRE_LIBRARIES - List of libraries when using pcre.
# PCRE_FOUND - True if pcre found.
# Look for the header file.
FIND_PATH(PCRE_INCLUDE_DIR NAMES pcre.h)
# Look for the library.
FIND_LIBRARY(PCRE_LIBRARY NAMES pcre)
# Handle the QUIETLY and REQUIRED arguments and set PCRE_FOUND to TRUE if all listed variables are TRUE.
INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(PCRE DEFAULT_MSG PCRE_LIBRARY PCRE_INCLUDE_DIR)
# Copy the results to the output variables.
IF(PCRE_FOUND)
SET(PCRE_LIBRARIES ${PCRE_LIBRARY})
SET(PCRE_INCLUDE_DIRS ${PCRE_INCLUDE_DIR})
ELSE(PCRE_FOUND)
SET(PCRE_LIBRARIES)
SET(PCRE_INCLUDE_DIRS)
ENDIF(PCRE_FOUND)
MARK_AS_ADVANCED(PCRE_INCLUDE_DIRS PCRE_LIBRARIES)

21
Tools/cmake/FindPCRE2.cmake Normal file
View file

@ -0,0 +1,21 @@
# - Find PCRE2
# Perl Compatible Regular Expressions
# https://www.pcre.org/
# The following variables are set:
# PCRE2_FOUND - System has the PCRE library
# PCRE2_LIBRARIES - The PCRE library file
# PCRE2_INCLUDE_DIRS - The folder with the PCRE headers
find_library(PCRE2_LIBRARY NAMES pcre2 pcre2-8)
find_path(PCRE2_INCLUDE_DIR pcre2.h)
set (PCRE2_LIBRARIES ${PCRE2_LIBRARY})
set (PCRE2_INCLUDE_DIRS ${PCRE2_INCLUDE_DIR})
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(PCRE2 DEFAULT_MSG PCRE2_LIBRARIES PCRE2_INCLUDE_DIRS)
mark_as_advanced (
PCRE2_LIBRARY
PCRE2_INCLUDE_DIR)

2
Tools/mkwindows.sh
View file

@ -84,7 +84,7 @@ export CXXFLAGS="$compileflags"
swigbasename=swig-$version
swigwinbasename=swigwin-$version
tarball=$swigbasename.tar.gz
pcre_tarball=`ls pcre-*.tar.*`
pcre_tarball=`ls pcre2-*.tar.*`
if ! test -f "$pcre_tarball"; then
echo "Could not find PCRE tarball. Please download a PCRE source tarball from http://www.pcre.org"

28
Tools/nuget-install.cmd
View file

@ -1,28 +0,0 @@
rem Workaround 'nuget install' not being reliable by retrying a few times
@echo off
rem initiate the retry number
set errorCode=1
set retryNumber=0
set maxRetries=5
:RESTORE
nuget install %*
rem problem?
IF ERRORLEVEL %errorCode% GOTO :RETRY
rem everything is fine!
@echo Installed nuget, retries: %reTryNumber%
GOTO :EXIT
:RETRY
@echo Oops, nuget restore exited with code %errorCode% - let us try again!
set /a retryNumber=%retryNumber%+1
IF %reTryNumber% LSS %maxRetries% (GOTO :RESTORE)
IF %retryNumber% EQU %maxRetries% (GOTO :ERR)
:ERR
@echo Sorry, we tried restoring nuget packages for %maxRetries% times and all attempts were unsuccessful!
EXIT /B 1
:EXIT

4
Tools/pcre-build.sh
View file

@ -37,8 +37,8 @@ fi
echo "Looking for PCRE tarball..."
rm -rf pcre
pcre_tarball=`ls pcre-*.tar*`
test -n "$pcre_tarball" || bail "Could not find tarball matching pattern: pcre-*.tar*"
pcre_tarball=`ls pcre2-*.tar*`
test -n "$pcre_tarball" || bail "Could not find tarball matching pattern: pcre2-*.tar*"
test -f "$pcre_tarball" || bail "Could not find a single PCRE tarball. Found: $pcre_tarball"
echo "Extracting tarball: $pcre_tarball"

15
appveyor.yml
View file

@ -123,15 +123,16 @@ install:
}
- if "%OSVARIANT%"=="" bash -c "cd /usr/bin && curl --retry 15 -s -L https://github.com/swig/cccl/archive/cccl-1.2.tar.gz | tar -xz --strip 1 cccl-cccl-1.2/cccl"
- if "%OSVARIANT%"=="" call "%VCVARSBAT%" %VCVARSARG%
- if "%OSVARIANT%"=="" Tools\nuget-install.cmd pcre -Verbosity quiet -Version 8.33.0.1 -OutputDirectory C:\pcre
- if "%OSVARIANT%"=="" set PCRE_ROOT=C:/pcre/pcre.8.33.0.1/build/native
- if "%OSVARIANT%"=="" appveyor-retry appveyor DownloadFile https://github.com/PhilipHazel/pcre2/archive/refs/tags/pcre2-10.39.zip
- if "%OSVARIANT%"=="" 7z x pcre2-10.39.zip
- if "%OSVARIANT%"=="" set PCRE_ROOT=C:/pcre
- if not "%OSVARIANT%"=="cygwin" set PATH=C:\Python%VER%%LANG_PLATFORM%;%PATH%
- if "%OSVARIANT%"=="" bash -c "which cl.exe"
- if "%OSVARIANT%"=="" bash -c "cl.exe /? 2>&1 | head -n 1"
- if "%OSVARIANT%"=="" bash -c "which csc.exe"
- if "%OSVARIANT%"=="" bash -c "csc.exe /? | head -n 1"
- if "%OSVARIANT%"=="cygwin" %CYGWINSETUP% --quiet-mode --packages python2-devel,libpcre-devel,libboost-devel > cygwin-install.txt || bash -c "cat cygwin-install.txt"
- if "%OSVARIANT%"=="mingw" bash -c "pacman --noconfirm --sync mingw%MBITS%/mingw-w64-%MARCH%-autotools mingw%MBITS%/mingw-w64-%MARCH%-pcre mingw%MBITS%/mingw-w64-%MARCH%-boost"
- if "%OSVARIANT%"=="cygwin" %CYGWINSETUP% --quiet-mode --packages python2-devel,libpcre2-devel,libboost-devel > cygwin-install.txt || bash -c "cat cygwin-install.txt"
- if "%OSVARIANT%"=="mingw" bash -c "pacman --noconfirm --sync mingw%MBITS%/mingw-w64-%MARCH%-autotools mingw%MBITS%/mingw-w64-%MARCH%-pcre2 mingw%MBITS%/mingw-w64-%MARCH%-boost"
- if not "%WITHLANG%"=="" set SWIGWITHLANG==%WITHLANG%
- if not "%WITHLANG%"=="" where %WITHLANG%
- bash -c "which $CC"
@ -148,9 +149,11 @@ install:
build_script:
- set CCCL_OPTIONS=--cccl-muffle /W3 /EHsc
- set CHECK_OPTIONS=CSHARPOPTIONS=-platform:%Platform%
- if "%BUILDSYSTEM%"=="cmake" cmake --version && cmake -G "Visual Studio 14 2015%VSARCH%" -DCMAKE_INSTALL_PREFIX="%CD:\=/%/install2" -DCMAKE_C_FLAGS="/WX /DPCRE_STATIC" -DCMAKE_CXX_FLAGS="/WX /DPCRE_STATIC" -DPCRE_INCLUDE_DIR=%PCRE_ROOT%/include -DPCRE_LIBRARY=%PCRE_ROOT%/lib/v110/%PCRE_PLATFORM%/Release/static/utf8/pcre8.lib -DBISON_EXECUTABLE=C:/cygwin/bin/bison.exe . && cmake --build . --config Release --target install && ctest --output-on-failure -V -C Release && appveyor exit
- if "%BUILDSYSTEM%"=="cmake" cd pcre2-pcre2-10.39 && cmake -G "Visual Studio 14 2015%VSARCH%" -DCMAKE_INSTALL_PREFIX="%PCRE_ROOT:\=/%" . && cmake --build . --config Release --target install && cd ..
- if "%BUILDSYSTEM%"=="cmake" cmake --version && cmake -G "Visual Studio 14 2015%VSARCH%" -DCMAKE_INSTALL_PREFIX="%CD:\=/%/install2" -DCMAKE_C_FLAGS="/WX /DPCRE_STATIC" -DCMAKE_CXX_FLAGS="/WX /DPCRE2_STATIC" -DPCRE2_INCLUDE_DIR=%PCRE_ROOT%/include -DPCRE2_LIBRARY=%PCRE_ROOT%/lib/pcre2-8-static.lib -DBISON_EXECUTABLE=C:/cygwin/bin/bison.exe . && cmake --build . --config Release --target install && ctest --output-on-failure -V -C Release && appveyor exit
- if "%OSVARIANT%"=="" bash -c "exec 0</dev/null && cd pcre2-pcre2-10.39 && ./autogen.sh && ./configure CC=$CC CXX=$CXX CFLAGS='-O2' LDFLAGS='--cccl-link /LTCG' --prefix=%PCRE_ROOT% --disable-shared && time make -s -j%MAKEJOBS% LN_S=cp && make install && cd .. && cp -v %PCRE_ROOT%/lib/libpcre2-8.lib %PCRE_ROOT%/lib/pcre2-8.lib"
# Open dummy file descriptor to fix error on cygwin: ./configure: line 560: 0: Bad file descriptor
- if "%OSVARIANT%"=="" bash -c "exec 0</dev/null && ./autogen.sh && time ./configure --disable-dependency-tracking --disable-ccache --enable-cpp11-testing CC=$CC CXX=$CXX CFLAGS='-O2' CXXFLAGS='-O2' LDFLAGS='--cccl-link /LTCG' PCRE_CFLAGS='-I%PCRE_ROOT%/include -DPCRE_STATIC' PCRE_LIBS='-L%PCRE_ROOT%/lib/v110/%PCRE_PLATFORM%/Release/static/utf8 -lpcre8' --without-perl5 --without-go --with-boost=%BOOSTROOT% || cat config.log"
- if "%OSVARIANT%"=="" bash -c "exec 0</dev/null && ./autogen.sh && time ./configure --disable-dependency-tracking --disable-ccache --enable-cpp11-testing CC=$CC CXX=$CXX CFLAGS='-O2' CXXFLAGS='-O2' LDFLAGS='--cccl-link /LTCG' PCRE2_CFLAGS='-I%PCRE_ROOT%/include -DPCRE2_STATIC' PCRE2_LIBS='-L%PCRE_ROOT%/lib/ -lpcre2-8' --without-perl5 --without-go --with-boost=%BOOSTROOT% || cat config.log"
- if not "%OSVARIANT%"=="" bash -c "exec 0</dev/null && ./autogen.sh && time ./configure CC=%CC% CXX=%CXX% --without-alllang --with-$SWIGLANG$PY3$SWIGWITHLANG --enable-cpp11-testing || cat config.log"
- bash -c "time make -s -j%MAKEJOBS%"

19
configure.ac
View file

@ -59,24 +59,24 @@ dnl To make configuring easier, check for a locally built PCRE using the Tools/p
if test x"${with_pcre}" = xyes ; then
AC_MSG_CHECKING([whether to use local PCRE])
local_pcre_config=no
if test -z $PCRE_CONFIG; then
if test -f `pwd`/pcre/pcre-swig-install/bin/pcre-config; then
PCRE_CONFIG=`pwd`/pcre/pcre-swig-install/bin/pcre-config
local_pcre_config=$PCRE_CONFIG
if test -z $PCRE2_CONFIG; then
if test -f `pwd`/pcre/pcre-swig-install/bin/pcre2-config; then
PCRE2_CONFIG=`pwd`/pcre/pcre-swig-install/bin/pcre2-config
local_pcre_config=$PCRE2_CONFIG
fi
fi
AC_MSG_RESULT([$local_pcre_config])
fi
AS_IF([test "x$with_pcre" != xno],
[AX_PATH_GENERIC([pcre],
[AX_PATH_GENERIC([pcre2],
[], dnl Minimal version of PCRE we need -- accept any
[], dnl custom sed script for version parsing is not needed
[AC_DEFINE([HAVE_PCRE], [1], [Define if you have PCRE library])
LIBS="$LIBS $PCRE_LIBS"
CPPFLAGS="$CPPFLAGS $PCRE_CFLAGS"
LIBS="$LIBS $PCRE2_LIBS"
CPPFLAGS="$CPPFLAGS $PCRE2_CFLAGS"
],
[AC_MSG_FAILURE([
Cannot find pcre-config script from PCRE (Perl Compatible Regular Expressions)
Cannot find pcre2-config script from PCRE (Perl Compatible Regular Expressions)
library package. This dependency is needed for configure to complete,
Either:
- Install the PCRE developer package on your system (preferred approach).
@ -87,7 +87,8 @@ AS_IF([test "x$with_pcre" != xno],
(quite easy and does not require privileges to install PCRE on your system)
- Use configure --without-pcre to disable regular expressions support in SWIG
(not recommended).])
])
],
[],[],[--libs8])
])