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CMakeLists.txt
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# CMakeLists.txt
#
# This file enables PCRE2 to be built with the CMake configuration and build
# tool. Download CMake in source or binary form from http://www.cmake.org/
# Converted to support PCRE2 from the original PCRE file, August 2014.
#
# Original listfile by Christian Ehrlicher <[email protected]>
# Refined and expanded by Daniel Richard G. <[email protected]>
# 2007-09-14 mod by Sheri so 7.4 supported configuration options can be entered
# 2007-09-19 Adjusted by PH to retain previous default settings
# 2007-12-26 (a) On UNIX, use names libpcre instead of just pcre
# (b) Ensure pcretest and pcregrep link with the local library,
# not a previously-installed one.
# (c) Add PCRE_SUPPORT_LIBREADLINE, PCRE_SUPPORT_LIBZ, and
# PCRE_SUPPORT_LIBBZ2.
# 2008-01-20 Brought up to date to include several new features by Christian
# Ehrlicher.
# 2008-01-22 Sheri added options for backward compatibility of library names
# when building with minGW:
# if "ON", NON_STANDARD_LIB_PREFIX causes shared libraries to
# be built without "lib" as prefix. (The libraries will be named
# pcre.dll, pcreposix.dll and pcrecpp.dll).
# if "ON", NON_STANDARD_LIB_SUFFIX causes shared libraries to
# be built with suffix of "-0.dll". (The libraries will be named
# libpcre-0.dll, libpcreposix-0.dll and libpcrecpp-0.dll - same names
# built by default with Configure and Make.
# 2008-01-23 PH removed the automatic build of pcredemo.
# 2008-04-22 PH modified READLINE support so it finds NCURSES when needed.
# 2008-07-03 PH updated for revised UCP property support (change of files)
# 2009-03-23 PH applied Steven Van Ingelgem's patch to change the name
# CMAKE_BINARY_DIR to PROJECT_BINARY_DIR so that it works when PCRE
# is included within another project.
# 2009-03-23 PH applied a modified version of Steven Van Ingelgem's patches to
# add options to stop the building of pcregrep and the tests, and
# to disable the final configuration report.
# 2009-04-11 PH applied Christian Ehrlicher's patch to show compiler flags that
# are set by specifying a release type.
# 2010-01-02 PH added test for stdint.h
# 2010-03-02 PH added test for inttypes.h
# 2011-08-01 PH added PCREGREP_BUFSIZE
# 2011-08-22 PH added PCRE_SUPPORT_JIT
# 2011-09-06 PH modified WIN32 ADD_TEST line as suggested by Sergey Cherepanov
# 2011-09-06 PH added PCRE_SUPPORT_PCREGREP_JIT
# 2011-10-04 Sheri added support for including coff data in windows shared libraries
# compiled with MINGW if pcre.rc and/or pcreposix.rc are placed in
# the source dir by the user prior to building
# 2011-10-04 Sheri changed various add_test's to use exes' location built instead
# of DEBUG location only (likely only matters in MSVC)
# 2011-10-04 Sheri added scripts to provide needed variables to RunTest and
# RunGrepTest (used for UNIX and Msys)
# 2011-10-04 Sheri added scripts to provide needed variables and to execute
# RunTest.bat in Win32 (for effortless testing with "make test")
# 2011-10-04 Sheri Increased minimum required cmake version
# 2012-01-06 PH removed pcre_info.c and added pcre_string_utils.c
# 2012-01-10 Zoltan Herczeg added libpcre16 support
# 2012-01-13 Stephen Kelly added out of source build support
# 2012-01-17 PH applied Stephen Kelly's patch to parse the version data out
# of the configure.ac file
# 2012-02-26 PH added support for libedit
# 2012-09-06 PH added support for PCRE_EBCDIC_NL25
# 2012-09-08 ChPe added PCRE32 support
# 2012-10-23 PH added support for VALGRIND and GCOV
# 2012-12-08 PH added patch from Daniel Richard G to quash some MSVC warnings
# 2013-07-01 PH realized that the "support" for GCOV was a total nonsense and
# so it has been removed.
# 2013-10-08 PH got rid of the "source" command, which is a bash-ism (use ".")
# 2013-11-05 PH added support for PARENS_NEST_LIMIT
# 2014-08-29 PH converted the file for PCRE2 (which has no C++).
# 2015-04-24 PH added support for PCRE2_DEBUG
# 2015-07-16 PH updated for new pcre2_find_bracket source module
# 2015-08-24 PH correct C_FLAGS setting (patch from Roy Ivy III)
# 2015-10=16 PH added support for never-backslash-C
# 2016-03-01 PH applied Chris Wilson's patch for MSVC static
# 2016-06-24 PH applied Chris Wilson's second patch, putting the first under
# a new option instead of being unconditional.
# 2016-10-05 PH fixed a typo (PCRE should be PCRE2) in above patch
# fix by David Gaussmann
# 2016-10-07 PH added PCREGREP_MAX_BUFSIZE
# 2017-03-11 PH turned HEAP_MATCH_RECURSE into a NO-OP for 10.30
# 2017-04-08 PH added HEAP_LIMIT
# 2017-06-15 ZH added SUPPORT_JIT_SEALLOC support
# 2018-06-19 PH added checks for stdint.h and inttypes.h (later removed)
# 2018-06-27 PH added Daniel's patch to increase the stack for MSVC
# 2018-11-14 PH removed unnecessary checks for stdint.h and inttypes.h
# 2018-11-16 PH added PCRE2GREP_SUPPORT_CALLOUT_FORK support and tidied
# 2019-02-16 PH hacked to avoid CMP0026 policy issue (see comments below)
# 2020-03-16 PH renamed dftables as pcre2_dftables (as elsewhere)
# 2020-03-24 PH changed CMAKE_MODULE_PATH definition to add, not replace
# 2020-04-08 Carlo added function check for secure_getenv, fixed strerror
# 2020-04-16 enh added check for __attribute__((uninitialized))
# 2020-04-25 PH applied patches from Uwe Korn to support pkg-config and
# library versioning.
# 2020-04-25 Carlo added function check for mkostemp used in ProtExecAllocator
# 2020-04-28 PH added function check for memfd_create based on Carlo's patch
# 2020-05-25 PH added a check for Intel CET
# 2020-12-03 PH altered the definition of pcre2test as suggested by Daniel
# 2021-06-29 JWSB added the option to build static library with PIC.
# 2021-07-05 JWSB modified such both the static and shared library can be
# build in one go.
# 2021-08-28 PH increased minimum version
# 2021-08-28 PH added test for realpath()
# 2022-12-10 PH added support for pcre2posix_test
# 2023-01-15 Carlo added C99 as the minimum required
# 2023-08-06 PH added support for setting variable length lookbehind maximum
################################################################################
# We have used `gersemi` for auto-formatting our CMake files.
# Applied to all CMake files using:
# > pip3 install gersemi
# > gersemi --in-place --line-length 120 --indent 2 \
# --definitions cmake/*.cmake \
# -- ./CMakeLists.txt ./cmake/*.cmake ./cmake/*.cmake.in
################################################################################
# Increased minimum to 3.15 to allow use of string(REPEAT).
cmake_minimum_required(VERSION 3.15 FATAL_ERROR)
project(PCRE2 C)
set(CMAKE_C_STANDARD 99)
set(CMAKE_C_STANDARD_REQUIRED TRUE)
set(CMAKE_C_VISIBILITY_PRESET hidden)
# Solaris-specific fix for "CMAKE_C_VISIBILITY_PRESET": this feature was only
# recently added to CMake for the `cc` compiler (Oracle Developer Studio). The
# CMake version from OpenCSW and Oracle's package repository is too old and
# requires this fix.
if(
CMAKE_SYSTEM_NAME STREQUAL "SunOS"
AND CMAKE_VERSION VERSION_LESS 3.31
AND CMAKE_C_COMPILER_ID STREQUAL "SunPro"
AND CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 5.15
)
set(CMAKE_C_COMPILE_OPTIONS_VISIBILITY "-fvisibility=")
endif()
# The following policies have been set in the PCRE2 CMake file in the past.
# Since we specify a minimum of CMake 3.15, these are no longer required.
# cmake_policy(SET CMP0063 NEW)
# cmake_policy(SET CMP0026 OLD)
# cmake_policy(SET CMP0074 NEW)
# For FindReadline.cmake. This was changed to allow setting CMAKE_MODULE_PATH
# on the command line.
# SET(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
list(APPEND CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
include_directories(${PROJECT_SOURCE_DIR}/src)
# external packages
find_package(BZip2)
find_package(ZLIB)
find_package(Readline)
find_package(Editline)
# Configuration checks
include(CheckCSourceCompiles)
include(CheckFunctionExists)
include(CheckSymbolExists)
include(CheckIncludeFile)
include(CheckTypeSize)
include(GNUInstallDirs) # for CMAKE_INSTALL_LIBDIR
include(PCRE2CheckLinkerFlag)
check_include_file(assert.h HAVE_ASSERT_H)
check_include_file(dirent.h HAVE_DIRENT_H)
check_include_file(sys/stat.h HAVE_SYS_STAT_H)
check_include_file(sys/types.h HAVE_SYS_TYPES_H)
check_include_file(unistd.h HAVE_UNISTD_H)
check_include_file(windows.h HAVE_WINDOWS_H)
check_symbol_exists(bcopy "strings.h" HAVE_BCOPY)
check_symbol_exists(memfd_create "sys/mman.h" HAVE_MEMFD_CREATE)
check_symbol_exists(memmove "string.h" HAVE_MEMMOVE)
check_symbol_exists(secure_getenv "stdlib.h" HAVE_SECURE_GETENV)
check_symbol_exists(strerror "string.h" HAVE_STRERROR)
check_c_source_compiles(
[=[
#include <stdlib.h>
#include <limits.h>
int main(int c, char *v[]) { char buf[PATH_MAX]; realpath(v[c], buf); return 0; }
]=]
HAVE_REALPATH
)
set(ORIG_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
if(NOT MSVC AND NOT CMAKE_C_COMPILER_ID STREQUAL "XL" AND NOT CMAKE_C_COMPILER_ID STREQUAL "SunPro")
set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Werror")
endif()
check_c_source_compiles(
"int main(void) { char buf[128] __attribute__((uninitialized)); (void)buf; return 0; }"
HAVE_ATTRIBUTE_UNINITIALIZED
)
check_c_source_compiles(
[=[
extern __attribute__ ((visibility ("default"))) int f(void);
int main(void) { return f(); }
int f(void) { return 42; }
]=]
HAVE_VISIBILITY
)
if(HAVE_VISIBILITY)
set(PCRE2_EXPORT [=[__attribute__ ((visibility ("default")))]=])
else()
set(PCRE2_EXPORT)
endif()
set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS})
check_c_source_compiles("int main(void) { __assume(1); return 0; }" HAVE_BUILTIN_ASSUME)
check_c_source_compiles(
[=[
#include <stddef.h>
int main(void) { int a,b; size_t m; __builtin_mul_overflow(a,b,&m); return 0; }
]=]
HAVE_BUILTIN_MUL_OVERFLOW
)
check_c_source_compiles(
"int main(int c, char *v[]) { if (c) __builtin_unreachable(); return (int)(*v[0]); }"
HAVE_BUILTIN_UNREACHABLE
)
# Detect support for linker scripts.
file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/test-map-file.sym "PCRE2_10.00 { global: main; };")
file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/test-map-file-broken.sym "PCRE2_10.00 { global: main; }; {")
pcre2_check_linker_flag(C -Wl,--version-script,${CMAKE_CURRENT_BINARY_DIR}/test-map-file.sym HAVE_VSCRIPT_GNU)
pcre2_check_linker_flag(C -Wl,-M,${CMAKE_CURRENT_BINARY_DIR}/test-map-file.sym HAVE_VSCRIPT_SUN)
if(HAVE_VSCRIPT_GNU)
set(VSCRIPT_FLAG --version-script)
set(HAVE_VSCRIPT TRUE)
elseif(HAVE_VSCRIPT_SUN)
set(VSCRIPT_FLAG -M)
set(HAVE_VSCRIPT TRUE)
endif()
if(HAVE_VSCRIPT)
# Perform the same logic as ax_check_vscript.m4, to test whether the linker
# silently ignores (and overwrites) linker scripts it doesn't understand.
pcre2_check_linker_flag(
C
-Wl,${VSCRIPT_FLAG},${CMAKE_CURRENT_BINARY_DIR}/test-map-file-broken.sym
HAVE_VSCRIPT_BROKEN
)
if(HAVE_VSCRIPT_BROKEN)
set(HAVE_VSCRIPT FALSE)
endif()
endif()
file(REMOVE ${CMAKE_CURRENT_BINARY_DIR}/test-map-file.sym)
file(REMOVE ${CMAKE_CURRENT_BINARY_DIR}/test-map-file-broken.sym)
# Check whether Intel CET is enabled, and if so, adjust compiler flags. This
# code was written by PH, trying to imitate the logic from the autotools
# configuration.
check_c_source_compiles(
[=[
#ifndef __CET__
#error CET is not enabled
#endif
int main() { return 0; }
]=]
INTEL_CET_ENABLED
)
if(INTEL_CET_ENABLED)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mshstk")
endif()
# User-configurable options
#
# Note: CMakeSetup displays these in alphabetical order, regardless of
# the order we use here.
set(BUILD_SHARED_LIBS OFF CACHE BOOL "Build shared libraries.")
option(BUILD_STATIC_LIBS "Build static libraries." ON)
option(PCRE2_BUILD_PCRE2_8 "Build 8 bit PCRE2 library" ON)
option(PCRE2_BUILD_PCRE2_16 "Build 16 bit PCRE2 library" OFF)
option(PCRE2_BUILD_PCRE2_32 "Build 32 bit PCRE2 library" OFF)
option(PCRE2_STATIC_PIC "Build the static library with the option position independent code enabled." OFF)
set(PCRE2_DEBUG "IfDebugBuild" CACHE STRING "Include debugging code")
set_property(CACHE PCRE2_DEBUG PROPERTY STRINGS "IfDebugBuild" "ON" "OFF")
option(PCRE2_DISABLE_PERCENT_ZT "Disable the use of %zu and %td (rarely needed)" OFF)
set(
PCRE2_EBCDIC
OFF
CACHE BOOL
"Use EBCDIC coding instead of ASCII. (This is rarely used outside of mainframe systems.)"
)
set(PCRE2_EBCDIC_NL25 OFF CACHE BOOL "Use 0x25 as EBCDIC NL character instead of 0x15; implies EBCDIC.")
set(
PCRE2_EBCDIC_IGNORING_COMPILER
OFF
CACHE BOOL
"Force EBCDIC 1047 using numeric literals rather than C character literals; implies EBCDIC."
)
option(PCRE2_REBUILD_CHARTABLES "Rebuild char tables" OFF)
set(
PCRE2_LINK_SIZE
"2"
CACHE STRING
"Internal link size (2, 3 or 4 allowed). See LINK_SIZE in config.h.in for details."
)
set(
PCRE2_PARENS_NEST_LIMIT
"250"
CACHE STRING
"Default nested parentheses limit. See PARENS_NEST_LIMIT in config.h.in for details."
)
set(
PCRE2_HEAP_LIMIT
"20000000"
CACHE STRING
"Default limit on heap memory (kibibytes). See HEAP_LIMIT in config.h.in for details."
)
set(PCRE2_MAX_VARLOOKBEHIND "255" CACHE STRING "Default limit on variable lookbehinds.")
set(
PCRE2_MATCH_LIMIT
"10000000"
CACHE STRING
"Default limit on internal looping. See MATCH_LIMIT in config.h.in for details."
)
set(
PCRE2_MATCH_LIMIT_DEPTH
"MATCH_LIMIT"
CACHE STRING
"Default limit on internal depth of search. See MATCH_LIMIT_DEPTH in config.h.in for details."
)
set(
PCRE2GREP_BUFSIZE
"20480"
CACHE STRING
"Buffer starting size parameter for pcre2grep. See PCRE2GREP_BUFSIZE in config.h.in for details."
)
set(
PCRE2GREP_MAX_BUFSIZE
"1048576"
CACHE STRING
"Buffer maximum size parameter for pcre2grep. See PCRE2GREP_MAX_BUFSIZE in config.h.in for details."
)
set(PCRE2_NEWLINE "LF" CACHE STRING "What to recognize as a newline (one of CR, LF, CRLF, ANY, ANYCRLF, NUL).")
set(PCRE2_HEAP_MATCH_RECURSE OFF CACHE BOOL "Obsolete option: do not use")
set(PCRE2_SUPPORT_JIT OFF CACHE BOOL "Enable support for Just-in-time compiling.")
if(${CMAKE_SYSTEM_NAME} MATCHES Linux|NetBSD)
set(PCRE2_SUPPORT_JIT_SEALLOC OFF CACHE BOOL "Enable SELinux compatible execmem allocator in JIT (experimental).")
else()
set(PCRE2_SUPPORT_JIT_SEALLOC IGNORE)
endif()
set(PCRE2GREP_SUPPORT_JIT ON CACHE BOOL "Enable use of Just-in-time compiling in pcre2grep.")
set(PCRE2GREP_SUPPORT_CALLOUT ON CACHE BOOL "Enable callout string support in pcre2grep.")
set(PCRE2GREP_SUPPORT_CALLOUT_FORK ON CACHE BOOL "Enable callout string fork support in pcre2grep.")
set(PCRE2_SUPPORT_UNICODE ON CACHE BOOL "Enable support for Unicode and UTF-8/UTF-16/UTF-32 encoding.")
set(
PCRE2_SUPPORT_BSR_ANYCRLF
OFF
CACHE BOOL
"ON=Backslash-R matches only LF CR and CRLF, OFF=Backslash-R matches all Unicode Linebreaks"
)
set(PCRE2_NEVER_BACKSLASH_C OFF CACHE BOOL "If ON, backslash-C (upper case C) is locked out.")
set(PCRE2_SUPPORT_VALGRIND OFF CACHE BOOL "Enable Valgrind support.")
option(PCRE2_SHOW_REPORT "Show the final configuration report" ON)
option(PCRE2_BUILD_PCRE2GREP "Build pcre2grep" ON)
option(PCRE2_BUILD_TESTS "Build the tests" ON)
set(
PCRE2_INSTALL_CMAKEDIR
"${CMAKE_INSTALL_LIBDIR}/cmake/pcre2"
CACHE STRING
"Path used during CMake install for placing PCRE2's CMake config files, relative to the installation root (prefix)"
)
if(MINGW)
option(
NON_STANDARD_LIB_PREFIX
"ON=Shared libraries built in mingw will be named pcre2.dll, etc., instead of libpcre2.dll, etc."
OFF
)
option(
NON_STANDARD_LIB_SUFFIX
"ON=Shared libraries built in mingw will be named libpcre2-0.dll, etc., instead of libpcre2.dll, etc."
OFF
)
endif()
if(MSVC)
option(PCRE2_STATIC_RUNTIME "ON=Compile against the static runtime (/MT)." OFF)
option(INSTALL_MSVC_PDB "ON=Install .pdb files built by MSVC, if generated" OFF)
endif()
if(HAVE_VSCRIPT)
option(PCRE2_SYMVERS "Enable library symbol versioning" ON)
endif()
# bzip2 lib
if(BZIP2_FOUND)
option(PCRE2_SUPPORT_LIBBZ2 "Enable support for linking pcre2grep with libbz2." ON)
endif()
if(PCRE2_SUPPORT_LIBBZ2)
include_directories(${BZIP2_INCLUDE_DIR})
endif()
# zlib
if(ZLIB_FOUND)
option(PCRE2_SUPPORT_LIBZ "Enable support for linking pcre2grep with libz." ON)
endif()
if(PCRE2_SUPPORT_LIBZ)
include_directories(${ZLIB_INCLUDE_DIR})
endif()
# editline lib
if(EDITLINE_FOUND)
option(PCRE2_SUPPORT_LIBEDIT "Enable support for linking pcre2test with libedit." OFF)
endif()
if(EDITLINE_FOUND)
if(PCRE2_SUPPORT_LIBEDIT)
include_directories(${EDITLINE_INCLUDE_DIR})
endif()
else()
if(PCRE2_SUPPORT_LIBEDIT)
message(
FATAL_ERROR
" libedit not found, set EDITLINE_INCLUDE_DIR to a compatible header\n"
" or set Editline_ROOT to a full libedit installed tree, as needed\n"
" Might need to enable policy CMP0074 in CMakeLists.txt"
)
endif()
endif()
# readline lib
if(READLINE_FOUND)
option(PCRE2_SUPPORT_LIBREADLINE "Enable support for linking pcre2test with libreadline." ON)
endif()
if(PCRE2_SUPPORT_LIBREADLINE)
include_directories(${READLINE_INCLUDE_DIR})
endif()
# Prepare build configuration
if(NOT BUILD_SHARED_LIBS AND NOT BUILD_STATIC_LIBS)
message(FATAL_ERROR "At least one of BUILD_SHARED_LIBS or BUILD_STATIC_LIBS must be enabled.")
endif()
if(NOT PCRE2_BUILD_PCRE2_8 AND NOT PCRE2_BUILD_PCRE2_16 AND NOT PCRE2_BUILD_PCRE2_32)
message(
FATAL_ERROR
"At least one of PCRE2_BUILD_PCRE2_8, PCRE2_BUILD_PCRE2_16 or PCRE2_BUILD_PCRE2_32 must be enabled"
)
endif()
if(PCRE2_BUILD_PCRE2_8)
set(SUPPORT_PCRE2_8 1)
endif()
if(PCRE2_BUILD_PCRE2_16)
set(SUPPORT_PCRE2_16 1)
endif()
if(PCRE2_BUILD_PCRE2_32)
set(SUPPORT_PCRE2_32 1)
endif()
if(PCRE2_BUILD_PCRE2GREP AND NOT PCRE2_BUILD_PCRE2_8)
message(STATUS "** PCRE2_BUILD_PCRE2_8 must be enabled for the pcre2grep program")
set(PCRE2_BUILD_PCRE2GREP OFF)
endif()
if(PCRE2_SUPPORT_LIBREADLINE AND PCRE2_SUPPORT_LIBEDIT)
if(READLINE_FOUND)
message(
FATAL_ERROR
" Only one of the readline compatible libraries can be enabled.\n"
" Disable libreadline with -DPCRE2_SUPPORT_LIBREADLINE=OFF"
)
endif()
endif()
if(PCRE2_SUPPORT_BSR_ANYCRLF)
set(BSR_ANYCRLF 1)
endif()
if(PCRE2_NEVER_BACKSLASH_C)
set(NEVER_BACKSLASH_C 1)
endif()
if(PCRE2_SUPPORT_UNICODE)
set(SUPPORT_UNICODE 1)
endif()
if(PCRE2_SUPPORT_JIT)
set(SUPPORT_JIT 1)
if(UNIX)
find_package(Threads REQUIRED)
if(CMAKE_USE_PTHREADS_INIT)
set(REQUIRE_PTHREAD 1)
endif()
endif()
endif()
if(PCRE2_SUPPORT_JIT_SEALLOC)
set(CMAKE_REQUIRED_DEFINITIONS -D_GNU_SOURCE)
check_symbol_exists(mkostemp stdlib.h REQUIRED)
unset(CMAKE_REQUIRED_DEFINITIONS)
if(${REQUIRED})
if(${CMAKE_SYSTEM_NAME} MATCHES Linux|NetBSD)
add_compile_definitions(_GNU_SOURCE)
set(SLJIT_PROT_EXECUTABLE_ALLOCATOR 1)
else()
message(FATAL_ERROR "Your configuration is not supported")
endif()
else()
set(PCRE2_SUPPORT_JIT_SEALLOC OFF)
endif()
endif()
if(PCRE2GREP_SUPPORT_JIT)
set(SUPPORT_PCRE2GREP_JIT 1)
endif()
if(PCRE2GREP_SUPPORT_CALLOUT)
set(SUPPORT_PCRE2GREP_CALLOUT 1)
if(PCRE2GREP_SUPPORT_CALLOUT_FORK)
set(SUPPORT_PCRE2GREP_CALLOUT_FORK 1)
endif()
endif()
if(PCRE2_SUPPORT_VALGRIND)
set(SUPPORT_VALGRIND 1)
endif()
if(PCRE2_DISABLE_PERCENT_ZT)
set(DISABLE_PERCENT_ZT 1)
endif()
# This next one used to reference ${READLINE_LIBRARY})
# but I was advised to add the NCURSES test as well, along with
# some modifications to cmake/FindReadline.cmake which should
# make it possible to override the default if necessary. PH
if(PCRE2_SUPPORT_LIBREADLINE)
set(SUPPORT_LIBREADLINE 1)
set(PCRE2TEST_LIBS ${READLINE_LIBRARY} ${NCURSES_LIBRARY})
endif()
# libedit is a plug-compatible alternative to libreadline
if(PCRE2_SUPPORT_LIBEDIT)
set(SUPPORT_LIBEDIT 1)
set(PCRE2TEST_LIBS ${EDITLINE_LIBRARY})
endif()
if(PCRE2_SUPPORT_LIBZ)
set(SUPPORT_LIBZ 1)
set(PCRE2GREP_LIBS ${PCRE2GREP_LIBS} ${ZLIB_LIBRARIES})
endif()
if(PCRE2_SUPPORT_LIBBZ2)
set(SUPPORT_LIBBZ2 1)
set(PCRE2GREP_LIBS ${PCRE2GREP_LIBS} ${BZIP2_LIBRARIES})
endif()
set(NEWLINE_DEFAULT "")
if(PCRE2_NEWLINE STREQUAL "CR")
set(NEWLINE_DEFAULT "1")
endif()
if(PCRE2_NEWLINE STREQUAL "LF")
set(NEWLINE_DEFAULT "2")
endif()
if(PCRE2_NEWLINE STREQUAL "CRLF")
set(NEWLINE_DEFAULT "3")
endif()
if(PCRE2_NEWLINE STREQUAL "ANY")
set(NEWLINE_DEFAULT "4")
endif()
if(PCRE2_NEWLINE STREQUAL "ANYCRLF")
set(NEWLINE_DEFAULT "5")
endif()
if(PCRE2_NEWLINE STREQUAL "NUL")
set(NEWLINE_DEFAULT "6")
endif()
if(NEWLINE_DEFAULT STREQUAL "")
message(
FATAL_ERROR
"The PCRE2_NEWLINE variable must be set to one of the following values: \"LF\", \"CR\", \"CRLF\", \"ANY\", \"ANYCRLF\"."
)
endif()
set(REBUILD_CHARTABLES OFF)
if(PCRE2_REBUILD_CHARTABLES)
set(REBUILD_CHARTABLES ON)
endif()
set(EBCDIC OFF)
if(PCRE2_EBCDIC)
set(EBCDIC ON)
endif()
if(PCRE2_EBCDIC_NL25)
set(EBCDIC ON)
set(EBCDIC_NL25 ON)
endif()
if(PCRE2_EBCDIC_IGNORING_COMPILER)
set(EBCDIC ON)
set(EBCDIC_IGNORING_COMPILER ON)
endif()
# Make sure that if EBCDIC is set (without EBCDIC_IGNORING_COMPILER), then
# REBUILD_CHARTABLES is also enabled.
# Also check that UTF support is not requested, because PCRE2 cannot handle
# EBCDIC and UTF in the same build. To do so it would need to use different
# character constants depending on the mode.
# Also, EBCDIC cannot be used with 16-bit and 32-bit libraries.
if(EBCDIC)
if(NOT EBCDIC_IGNORING_COMPILER)
set(REBUILD_CHARTABLES ON)
endif()
if(PCRE2_SUPPORT_UNICODE)
message(FATAL_ERROR "Support for EBCDIC and Unicode cannot be enabled at the same time")
endif()
if(PCRE2_BUILD_PCRE2_16 OR PCRE2_BUILD_PCRE2_32)
message(FATAL_ERROR "EBCDIC support is available only for the 8-bit library")
endif()
endif()
# Output files
configure_file(src/config-cmake.h.in ${PROJECT_BINARY_DIR}/config.h @ONLY)
# Parse version numbers and date out of configure.ac
file(
STRINGS
${PROJECT_SOURCE_DIR}/configure.ac
configure_lines
LIMIT_COUNT
50 # Read only the first 50 lines of the file
)
set(
SEARCHED_VARIABLES
"pcre2_major"
"pcre2_minor"
"pcre2_prerelease"
"pcre2_date"
"libpcre2_posix_version"
"libpcre2_8_version"
"libpcre2_16_version"
"libpcre2_32_version"
)
foreach(configure_line ${configure_lines})
foreach(substitution_variable ${SEARCHED_VARIABLES})
string(TOUPPER ${substitution_variable} substitution_variable_upper)
if(NOT ${substitution_variable_upper})
string(REGEX MATCH "m4_define\\(${substitution_variable}, *\\[(.*)\\]" MATCHED_STRING ${configure_line})
if(CMAKE_MATCH_1)
set(${substitution_variable_upper} ${CMAKE_MATCH_1})
endif()
endif()
endforeach()
endforeach()
macro(PARSE_LIB_VERSION variable_prefix)
string(REPLACE ":" ";" ${variable_prefix}_VERSION_LIST ${${variable_prefix}_VERSION})
list(GET ${variable_prefix}_VERSION_LIST 0 ${variable_prefix}_VERSION_CURRENT)
list(GET ${variable_prefix}_VERSION_LIST 1 ${variable_prefix}_VERSION_REVISION)
list(GET ${variable_prefix}_VERSION_LIST 2 ${variable_prefix}_VERSION_AGE)
math(EXPR ${variable_prefix}_SOVERSION "${${variable_prefix}_VERSION_CURRENT} - ${${variable_prefix}_VERSION_AGE}")
math(EXPR ${variable_prefix}_MACHO_COMPATIBILITY_VERSION "${${variable_prefix}_VERSION_CURRENT} + 1")
math(EXPR ${variable_prefix}_MACHO_CURRENT_VERSION "${${variable_prefix}_VERSION_CURRENT} + 1")
set(
${variable_prefix}_MACHO_CURRENT_VERSION
"${${variable_prefix}_MACHO_CURRENT_VERSION}.${${variable_prefix}_VERSION_REVISION}}"
)
set(
${variable_prefix}_VERSION
"${${variable_prefix}_SOVERSION}.${${variable_prefix}_VERSION_AGE}.${${variable_prefix}_VERSION_REVISION}"
)
endmacro()
parse_lib_version(LIBPCRE2_POSIX)
parse_lib_version(LIBPCRE2_8)
parse_lib_version(LIBPCRE2_16)
parse_lib_version(LIBPCRE2_32)
configure_file(src/pcre2.h.in ${PROJECT_BINARY_DIR}/pcre2.h @ONLY)
# Make sure to not link debug libs
# against release libs and vice versa
if(WIN32)
set(CMAKE_DEBUG_POSTFIX "d")
endif()
# Character table generation
if(REBUILD_CHARTABLES)
add_executable(pcre2_dftables src/pcre2_dftables.c)
add_custom_command(
OUTPUT ${PROJECT_BINARY_DIR}/pcre2_chartables.c
COMMAND pcre2_dftables
ARGS ${PROJECT_BINARY_DIR}/pcre2_chartables.c
DEPENDS pcre2_dftables
COMMENT "Generating character tables (pcre2_chartables.c) for current locale"
VERBATIM
)
elseif(NOT PCRE2_EBCDIC)
configure_file(${PROJECT_SOURCE_DIR}/src/pcre2_chartables.c.dist ${PROJECT_BINARY_DIR}/pcre2_chartables.c COPYONLY)
elseif(PCRE2_EBCDIC_NL25)
configure_file(
${PROJECT_SOURCE_DIR}/src/pcre2_chartables.c.ebcdic-1047-nl25
${PROJECT_BINARY_DIR}/pcre2_chartables.c
COPYONLY
)
else()
configure_file(
${PROJECT_SOURCE_DIR}/src/pcre2_chartables.c.ebcdic-1047-nl15
${PROJECT_BINARY_DIR}/pcre2_chartables.c
COPYONLY
)
endif()
# Source code
set(PCRE2_HEADERS ${PROJECT_BINARY_DIR}/pcre2.h)
set(
PCRE2_SOURCES
src/pcre2_auto_possess.c
${PROJECT_BINARY_DIR}/pcre2_chartables.c
src/pcre2_chkdint.c
src/pcre2_compile.c
src/pcre2_compile_cgroup.c
src/pcre2_compile_class.c
src/pcre2_config.c
src/pcre2_context.c
src/pcre2_convert.c
src/pcre2_dfa_match.c
src/pcre2_error.c
src/pcre2_extuni.c
src/pcre2_find_bracket.c
src/pcre2_jit_compile.c
src/pcre2_maketables.c
src/pcre2_match.c
src/pcre2_match_data.c
src/pcre2_match_next.c
src/pcre2_newline.c
src/pcre2_ord2utf.c
src/pcre2_pattern_info.c
src/pcre2_script_run.c
src/pcre2_serialize.c
src/pcre2_string_utils.c
src/pcre2_study.c
src/pcre2_substitute.c
src/pcre2_substring.c
src/pcre2_tables.c
src/pcre2_ucd.c
src/pcre2_valid_utf.c
src/pcre2_xclass.c
)
set(PCRE2POSIX_HEADERS src/pcre2posix.h)
set(PCRE2POSIX_SOURCES src/pcre2posix.c)
if(MINGW AND BUILD_SHARED_LIBS)
if(EXISTS ${PROJECT_SOURCE_DIR}/pcre2.rc)
add_custom_command(
OUTPUT ${PROJECT_SOURCE_DIR}/pcre2.o PRE-LINK
COMMAND windres
ARGS pcre2.rc pcre2.o
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
COMMENT "Using pcre2 coff info in mingw build"
)
set(PCRE2_SOURCES ${PCRE2_SOURCES} ${PROJECT_SOURCE_DIR}/pcre2.o)
endif()
if(EXISTS ${PROJECT_SOURCE_DIR}/pcre2posix.rc)
add_custom_command(
OUTPUT ${PROJECT_SOURCE_DIR}/pcre2posix.o PRE-LINK
COMMAND windres
ARGS pcre2posix.rc pcre2posix.o
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
COMMENT "Using pcre2posix coff info in mingw build"
)
set(PCRE2POSIX_SOURCES ${PCRE2POSIX_SOURCES} ${PROJECT_SOURCE_DIR}/pcre2posix.o)
endif()
endif()
if(MSVC AND BUILD_SHARED_LIBS)
if(EXISTS ${PROJECT_SOURCE_DIR}/pcre2.rc)
set(PCRE2_SOURCES ${PCRE2_SOURCES} pcre2.rc)
endif()
if(EXISTS ${PROJECT_SOURCE_DIR}/pcre2posix.rc)
set(PCRE2POSIX_SOURCES ${PCRE2POSIX_SOURCES} pcre2posix.rc)
endif()
endif()
# Fix static compilation with MSVC: https://bugs.exim.org/show_bug.cgi?id=1681
# This code was taken from the CMake wiki, not from WebM.
if(MSVC AND PCRE2_STATIC_RUNTIME)
message(STATUS "** MSVC and PCRE2_STATIC_RUNTIME: modifying compiler flags to use static runtime library")
foreach(
flag_var
CMAKE_C_FLAGS
CMAKE_C_FLAGS_DEBUG
CMAKE_C_FLAGS_RELEASE
CMAKE_C_FLAGS_MINSIZEREL
CMAKE_C_FLAGS_RELWITHDEBINFO
)
string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
endforeach()
endif()
# Build setup
add_compile_definitions(HAVE_CONFIG_H)
if(PCRE2_DEBUG STREQUAL "IfDebugBuild")
add_compile_definitions("$<$<CONFIG:Debug>:PCRE2_DEBUG>")
elseif(PCRE2_DEBUG)
add_compile_definitions("PCRE2_DEBUG")
endif()
if(MSVC)
add_compile_definitions(_CRT_SECURE_NO_DEPRECATE _CRT_SECURE_NO_WARNINGS)
endif()
set(CMAKE_INCLUDE_CURRENT_DIR 1)
set(TARGETS)
# 8-bit library
if(PCRE2_BUILD_PCRE2_8)
if(BUILD_STATIC_LIBS)
add_library(pcre2-8-static STATIC ${PCRE2_HEADERS} ${PCRE2_SOURCES} ${PROJECT_BINARY_DIR}/config.h)
set_target_properties(
pcre2-8-static
PROPERTIES
COMPILE_DEFINITIONS PCRE2_CODE_UNIT_WIDTH=8
MACHO_COMPATIBILITY_VERSION "${LIBPCRE2_8_MACHO_COMPATIBILITY_VERSION}"
MACHO_CURRENT_VERSION "${LIBPCRE2_8_MACHO_CURRENT_VERSION}"
VERSION ${LIBPCRE2_8_VERSION}
SOVERSION ${LIBPCRE2_8_SOVERSION}
)
target_compile_definitions(pcre2-8-static PUBLIC PCRE2_STATIC)
target_include_directories(pcre2-8-static PUBLIC ${PROJECT_BINARY_DIR})
if(REQUIRE_PTHREAD)
target_link_libraries(pcre2-8-static Threads::Threads)
endif()
set(TARGETS ${TARGETS} pcre2-8-static)
add_library(pcre2-posix-static STATIC ${PCRE2POSIX_HEADERS} ${PCRE2POSIX_SOURCES})
set_target_properties(
pcre2-posix-static
PROPERTIES
COMPILE_DEFINITIONS PCRE2_CODE_UNIT_WIDTH=8
MACHO_COMPATIBILITY_VERSION "${LIBPCRE2_POSIX_MACHO_COMPATIBILITY_VERSION}"
MACHO_CURRENT_VERSION "${LIBPCRE2_POSIX_MACHO_CURRENT_VERSION}"
VERSION ${LIBPCRE2_POSIX_VERSION}
SOVERSION ${LIBPCRE2_POSIX_SOVERSION}
)
target_link_libraries(pcre2-posix-static pcre2-8-static)
target_include_directories(pcre2-posix-static PUBLIC ${PROJECT_SOURCE_DIR}/src)
set(TARGETS ${TARGETS} pcre2-posix-static)
if(MSVC)
set_target_properties(pcre2-8-static PROPERTIES OUTPUT_NAME pcre2-8-static)
set_target_properties(pcre2-posix-static PROPERTIES OUTPUT_NAME pcre2-posix-static)
else()
set_target_properties(pcre2-8-static PROPERTIES OUTPUT_NAME pcre2-8)
set_target_properties(pcre2-posix-static PROPERTIES OUTPUT_NAME pcre2-posix)
endif()
if(PCRE2_STATIC_PIC)
set_target_properties(pcre2-8-static pcre2-posix-static PROPERTIES POSITION_INDEPENDENT_CODE 1)
endif()
endif()
if(BUILD_SHARED_LIBS)
add_library(pcre2-8-shared SHARED ${PCRE2_HEADERS} ${PCRE2_SOURCES} ${PROJECT_BINARY_DIR}/config.h)
target_include_directories(pcre2-8-shared PUBLIC ${PROJECT_BINARY_DIR})
set_target_properties(
pcre2-8-shared
PROPERTIES
COMPILE_DEFINITIONS PCRE2_CODE_UNIT_WIDTH=8
MACHO_COMPATIBILITY_VERSION "${LIBPCRE2_8_MACHO_COMPATIBILITY_VERSION}"
MACHO_CURRENT_VERSION "${LIBPCRE2_8_MACHO_CURRENT_VERSION}"
VERSION ${LIBPCRE2_8_VERSION}
SOVERSION ${LIBPCRE2_8_SOVERSION}
OUTPUT_NAME pcre2-8
)
if(REQUIRE_PTHREAD)
target_link_libraries(pcre2-8-shared Threads::Threads)
endif()
if(HAVE_VSCRIPT AND PCRE2_SYMVERS)
target_link_options(pcre2-8-shared PRIVATE -Wl,${VSCRIPT_FLAG},${PROJECT_SOURCE_DIR}/src/libpcre2-8.sym)
set_target_properties(pcre2-8-shared PROPERTIES LINK_DEPENDS ${PROJECT_SOURCE_DIR}/src/libpcre2-8.sym)
endif()
set(TARGETS ${TARGETS} pcre2-8-shared)
set(DLL_PDB_FILES $<TARGET_PDB_FILE_DIR:pcre2-8-shared>/pcre2-8.pdb ${DLL_PDB_FILES})
set(DLL_PDB_DEBUG_FILES $<TARGET_PDB_FILE_DIR:pcre2-8-shared>/pcre2-8d.pdb ${DLL_PDB_DEBUG_FILES})
add_library(pcre2-posix-shared SHARED ${PCRE2POSIX_HEADERS} ${PCRE2POSIX_SOURCES})
target_include_directories(pcre2-posix-shared PUBLIC ${PROJECT_SOURCE_DIR}/src)
set_target_properties(
pcre2-posix-shared
PROPERTIES
COMPILE_DEFINITIONS PCRE2_CODE_UNIT_WIDTH=8
MACHO_COMPATIBILITY_VERSION "${LIBPCRE2_POSIX_MACHO_COMPATIBILITY_VERSION}"
MACHO_CURRENT_VERSION "${LIBPCRE2_POSIX_MACHO_CURRENT_VERSION}"
VERSION ${LIBPCRE2_POSIX_VERSION}
SOVERSION ${LIBPCRE2_POSIX_SOVERSION}
OUTPUT_NAME pcre2-posix
)
if(HAVE_VSCRIPT AND PCRE2_SYMVERS)
target_link_options(pcre2-posix-shared PRIVATE -Wl,${VSCRIPT_FLAG},${PROJECT_SOURCE_DIR}/src/libpcre2-posix.sym)
set_target_properties(pcre2-posix-shared PROPERTIES LINK_DEPENDS ${PROJECT_SOURCE_DIR}/src/libpcre2-posix.sym)
endif()
set(PCRE2POSIX_CFLAG "-DPCRE2POSIX_SHARED")
target_compile_definitions(pcre2-posix-shared PUBLIC ${PCRE2POSIX_CFLAG})
target_link_libraries(pcre2-posix-shared pcre2-8-shared)
set(TARGETS ${TARGETS} pcre2-posix-shared)
set(DLL_PDB_FILES $<TARGET_PDB_FILE_DIR:pcre2-posix-shared>/pcre2-posix.pdb ${DLL_PDB_FILES})
set(DLL_PDB_DEBUG_FILES $<TARGET_PDB_FILE_DIR:pcre2-posix-shared>/pcre2-posixd.pdb ${DLL_PDB_DEBUG_FILES})
if(MINGW)
if(NON_STANDARD_LIB_PREFIX)
set_target_properties(pcre2-8-shared pcre2-posix-shared PROPERTIES PREFIX "")
endif()
if(NON_STANDARD_LIB_SUFFIX)
set_target_properties(pcre2-8-shared pcre2-posix-shared PROPERTIES SUFFIX "-0.dll")
endif()
endif()
endif()
if(BUILD_STATIC_LIBS)
add_library(pcre2-8 ALIAS pcre2-8-static)
add_library(pcre2-posix ALIAS pcre2-posix-static)
else()
add_library(pcre2-8 ALIAS pcre2-8-shared)
add_library(pcre2-posix ALIAS pcre2-posix-shared)
endif()
endif()
# 16-bit library
if(PCRE2_BUILD_PCRE2_16)
if(BUILD_STATIC_LIBS)
add_library(pcre2-16-static STATIC ${PCRE2_HEADERS} ${PCRE2_SOURCES} ${PROJECT_BINARY_DIR}/config.h)
target_include_directories(pcre2-16-static PUBLIC ${PROJECT_BINARY_DIR})
set_target_properties(
pcre2-16-static
PROPERTIES
COMPILE_DEFINITIONS PCRE2_CODE_UNIT_WIDTH=16
MACHO_COMPATIBILITY_VERSION "${LIBPCRE2_32_MACHO_COMPATIBILITY_VERSION}"
MACHO_CURRENT_VERSION "${LIBPCRE2_32_MACHO_CURRENT_VERSION}"
VERSION ${LIBPCRE2_16_VERSION}
SOVERSION ${LIBPCRE2_16_SOVERSION}
)
target_compile_definitions(pcre2-16-static PUBLIC PCRE2_STATIC)