poco/cmake/FindPCRE.cmake
Joerg-Christian Boehme e1435a6620
Fix cross-compilation against Poco pre-built (#2599) (#2679)
* Use ZLIB and PCRE imported target to improve portability
* Set EXPAT and SQLite3 library for XML and SQL if POCO_UNBUNDLED is true in cmake build
2019-04-22 23:47:11 +02:00

108 lines
2.4 KiB
CMake

# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
#[=======================================================================[.rst:
FindPCRE
-------
Finds the PCRE library.
Imported Targets
^^^^^^^^^^^^^^^^
This module provides the following imported targets, if found:
``Pcre::Pcre``
The PCRE library
Result Variables
^^^^^^^^^^^^^^^^
This will define the following variables:
``PCRE_FOUND``
True if the system has the PCRE library.
``PCRE_VERSION``
The version of the PCRE library which was found.
``PCRE_INCLUDE_DIRS``
Include directories needed to use PCRE.
``PCRE_LIBRARIES``
Libraries needed to link to PCRE.
Cache Variables
^^^^^^^^^^^^^^^
The following cache variables may also be set:
``PCRE_INCLUDE_DIR``
The directory containing ``foo.h``.
``PCRE_LIBRARY``
The path to the PCRE library.
Hints
^^^^^
``PCRE_ROOT_DIR``
The path to the root directory of a PCRE installation.
``PCRE_ROOT_INCLUDE_DIRS``
The path to the include directory of a PCRE installation.
``PCRE_ROOT_LIBRARY_DIRS``
The path to the library directory of a PCRE installation.
#]=======================================================================]#
include(FindPackageHandleStandardArgs)
find_package(PkgConfig QUIET)
pkg_check_modules(PC_PCRE QUIET pcre)
find_path(PCRE_INCLUDE_DIR
NAMES pcre.h
HINTS
${PCRE_ROOT_DIR}/include
${PCRE_ROOT_INCLUDE_DIRS}
PATHS
${PC_PCRE_INCLUDE_DIRS}
DOC "Specify the include directory containing pcre.h"
)
find_library(PCRE_LIBRARY
NAMES pcre
HINTS
${PCRE_ROOT_DIR}/lib
${PCRE_ROOT_LIBRARY_DIRS}
PATHS
${PC_PCRE_LIBRARY_DIRS}
DOC "Specify the lib directory containing pcre"
)
set(PCRE_VERSION ${PC_PCRE_VERSION})
find_package_handle_standard_args(PCRE
FOUND_VAR PCRE_FOUND
REQUIRED_VARS
PCRE_LIBRARY
PCRE_INCLUDE_DIR
VERSION_VAR PCRE_VERSION
)
if(PCRE_FOUND)
set(PCRE_LIBRARIES ${PCRE_LIBRARY})
set(PCRE_INCLUDE_DIRS ${PCRE_INCLUDE_DIR})
set(PCRE_DEFINITIONS ${PC_PCRE_CFLAGS_OTHER})
endif()
if(PCRE_FOUND AND NOT TARGET Pcre::Pcre)
add_library(Pcre::Pcre UNKNOWN IMPORTED)
set_target_properties(Pcre::Pcre PROPERTIES
IMPORTED_LOCATION "${PCRE_LIBRARY}"
INTERFACE_COMPILE_OPTIONS "${PC_PCRE_CFLAGS_OTHER}"
INTERFACE_INCLUDE_DIRECTORIES "${PCRE_INCLUDE_DIR}"
)
endif()
mark_as_advanced(
PCRE_INCLUDE_DIR
PCRE_LIBRARY
)