poco/cmake/FindPCRE2.cmake
Aleksandar Fabijanic bbe09e48d1
Feat/pcre2 (#3663)
* upgrade to pcre2

* use pcre2_*_8 names

* fix pcre2 lib name for unbundled build

* CMake changes for PCRE2

* add missing macro for unbundled build

* add PCRE2_STATIC

* updated VS project files for pcre2

Co-authored-by: Günter Obiltschnig <guenter.obiltschnig@appinf.com>
2022-07-06 10:46:38 -05:00

108 lines
2.5 KiB
CMake

# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
#[=======================================================================[.rst:
FindPCRE2
---------
Finds the PCRE2 library.
Imported Targets
^^^^^^^^^^^^^^^^
This module provides the following imported targets, if found:
``Pcre2::Pcre2``
The PCRE2 library
Result Variables
^^^^^^^^^^^^^^^^
This will define the following variables:
``PCRE2_FOUND``
True if the system has the PCRE2 library.
``PCRE2_VERSION``
The version of the PCRE2 library which was found.
``PCRE2_INCLUDE_DIRS``
Include directories needed to use PCRE2.
``PCRE2_LIBRARIES``
Libraries needed to link to PCRE2.
Cache Variables
^^^^^^^^^^^^^^^
The following cache variables may also be set:
``PCRE2_INCLUDE_DIR``
The directory containing ``pcre2.h``.
``PCRE2_LIBRARY``
The path to the PCRE2 library.
Hints
^^^^^
``PCRE2_ROOT_DIR``
The path to the root directory of a PCRE2 installation.
``PCRE2_ROOT_INCLUDE_DIRS``
The path to the include directory of a PCRE2 installation.
``PCRE2_ROOT_LIBRARY_DIRS``
The path to the library directory of a PCRE2 installation.
#]=======================================================================]#
include(FindPackageHandleStandardArgs)
find_package(PkgConfig QUIET)
pkg_check_modules(PC_PCRE2 QUIET pcre2)
find_path(PCRE2_INCLUDE_DIR
NAMES pcre2.h
HINTS
${PCRE2_ROOT_DIR}/include
${PCRE2_ROOT_INCLUDE_DIRS}
PATHS
${PC_PCRE2_INCLUDE_DIRS}
DOC "Specify the include directory containing pcre2.h"
)
find_library(PCRE2_LIBRARY
NAMES pcre2-8
HINTS
${PCRE2_ROOT_DIR}/lib
${PCRE2_ROOT_LIBRARY_DIRS}
PATHS
${PC_PCRE2_LIBRARY_DIRS}
DOC "Specify the lib directory containing pcre2"
)
set(PCRE2_VERSION ${PC_PCRE2_VERSION})
find_package_handle_standard_args(PCRE2
FOUND_VAR PCRE2_FOUND
REQUIRED_VARS
PCRE2_LIBRARY
PCRE2_INCLUDE_DIR
VERSION_VAR PCRE2_VERSION
)
if(PCRE2_FOUND)
set(PCRE2_LIBRARIES ${PCRE2_LIBRARY})
set(PCRE2_INCLUDE_DIRS ${PCRE2_INCLUDE_DIR})
set(PCRE2_DEFINITIONS ${PC_PCRE2_CFLAGS_OTHER})
endif()
if(PCRE2_FOUND AND NOT TARGET Pcre2::Pcre2)
add_library(Pcre2::Pcre2 UNKNOWN IMPORTED)
set_target_properties(Pcre2::Pcre2 PROPERTIES
IMPORTED_LOCATION "${PCRE2_LIBRARY}"
INTERFACE_COMPILE_OPTIONS "${PC_PCRE2_CFLAGS_OTHER}"
INTERFACE_INCLUDE_DIRECTORIES "${PCRE2_INCLUDE_DIR}"
)
endif()
mark_as_advanced(
PCRE2_INCLUDE_DIR
PCRE2_LIBRARY
)