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70 lines
2.0 KiB
CMake
70 lines
2.0 KiB
CMake
# FindPCRE2.cmake
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#
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# Find the PCRE2 library
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#
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# This module defines:
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# PCRE2_FOUND - whether the PCRE2 library was found
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# PCRE2_INCLUDE_DIRS - the PCRE2 include directories
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# PCRE2_LIBRARIES - the PCRE2 libraries
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# PCRE2_VERSION - the PCRE2 version
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# Try pkg-config first
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find_package(PkgConfig QUIET)
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if(PkgConfig_FOUND)
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pkg_check_modules(PC_PCRE2 QUIET libpcre2-8)
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endif()
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# Find include directory
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find_path(PCRE2_INCLUDE_DIR
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NAMES pcre2.h
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HINTS
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${PC_PCRE2_INCLUDE_DIRS}
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/usr/include
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/usr/local/include
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PATH_SUFFIXES
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pcre2
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)
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# Find library
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find_library(PCRE2_LIBRARY
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NAMES pcre2-8 pcre2-8d pcre2
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HINTS
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${PC_PCRE2_LIBRARY_DIRS}
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/usr/lib
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/usr/local/lib
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)
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# Extract version from header
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if(PCRE2_INCLUDE_DIR AND EXISTS "${PCRE2_INCLUDE_DIR}/pcre2.h")
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file(STRINGS "${PCRE2_INCLUDE_DIR}/pcre2.h" PCRE2_VERSION_MAJOR_LINE
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REGEX "^#define[ \t]+PCRE2_MAJOR[ \t]+[0-9]+")
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file(STRINGS "${PCRE2_INCLUDE_DIR}/pcre2.h" PCRE2_VERSION_MINOR_LINE
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REGEX "^#define[ \t]+PCRE2_MINOR[ \t]+[0-9]+")
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string(REGEX REPLACE "^#define[ \t]+PCRE2_MAJOR[ \t]+([0-9]+)" "\\1"
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PCRE2_VERSION_MAJOR "${PCRE2_VERSION_MAJOR_LINE}")
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string(REGEX REPLACE "^#define[ \t]+PCRE2_MINOR[ \t]+([0-9]+)" "\\1"
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PCRE2_VERSION_MINOR "${PCRE2_VERSION_MINOR_LINE}")
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set(PCRE2_VERSION "${PCRE2_VERSION_MAJOR}.${PCRE2_VERSION_MINOR}")
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endif()
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(PCRE2
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REQUIRED_VARS PCRE2_LIBRARY PCRE2_INCLUDE_DIR
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VERSION_VAR PCRE2_VERSION
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)
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if(PCRE2_FOUND)
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set(PCRE2_LIBRARIES ${PCRE2_LIBRARY})
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set(PCRE2_INCLUDE_DIRS ${PCRE2_INCLUDE_DIR})
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if(NOT TARGET PCRE2::PCRE2)
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add_library(PCRE2::PCRE2 UNKNOWN IMPORTED)
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set_target_properties(PCRE2::PCRE2 PROPERTIES
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IMPORTED_LOCATION "${PCRE2_LIBRARY}"
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INTERFACE_INCLUDE_DIRECTORIES "${PCRE2_INCLUDE_DIR}"
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)
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endif()
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endif()
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mark_as_advanced(PCRE2_INCLUDE_DIR PCRE2_LIBRARY)
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