8b14bb69be
* CMake build infrastructure The squashed commit that builds and packages releases for the SIMH simulator suite with CMake, version 3.14 or newer. See README-CMake.md for documentation.
97 lines
2.9 KiB
CMake
97 lines
2.9 KiB
CMake
# Locate the PCRE library
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#
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# This module defines:
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#
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# ::
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#
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# PCRE2_LIBRARIES, the name of the pcre2 library to link against
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# PCRE2_INCLUDE_DIRS, where to find the pcre2 headers
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# PCRE2_FOUND, if false, do not try to compile or link with pcre2
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# PCRE2_VERSION_STRING - human-readable string containing the version of pcre or pcre2
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#
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# Tweaks:
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# 1. PCRE_PATH: A list of directories in which to search
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# 2. PCRE_DIR: An environment variable to the directory where you've unpacked or installed PCRE.
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#
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# "scooter me fecit"
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find_path(PCRE2_INCLUDE_DIR pcre2.h
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HINTS
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ENV PCRE_DIR
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# path suffixes to search inside ENV{PCRE_DIR}
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PATHS ${PCRE_PATH}
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PATH_SUFFIXES
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include/pcre
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include/PCRE
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include
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)
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if (CMAKE_SIZEOF_VOID_P EQUAL 8)
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set(LIB_PATH_SUFFIXES lib64 x64 amd64 x86_64-linux-gnu aarch64-linux-gnu lib)
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else ()
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set(LIB_PATH_SUFFIXES x86)
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endif ()
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find_library(PCRE2_LIBRARY_RELEASE
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NAMES
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pcre2-8
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pcre2-8-static
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HINTS
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ENV PCRE_DIR
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PATH_SUFFIXES
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${LIB_PATH_SUFFIXES}
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PATHS
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${PCRE_PATH}
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)
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find_library(PCRE2_LIBRARY_DEBUG
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NAMES
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pcre2-8d
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pcre2-8-staticd
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HINTS
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ENV PCRE_DIR
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PATH_SUFFIXES
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${LIB_PATH_SUFFIXES}
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PATHS
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${PCRE_PATH}
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)
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if (PCRE2_INCLUDE_DIR)
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if (EXISTS "${PCRE2_INCLUDE_DIR}/pcre2.h")
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file(STRINGS "${PCRE2_INCLUDE_DIR}/pcre2.h" PCRE2_VERSION_MAJOR_LINE REGEX "^#define[ \t]+PCRE2_MAJOR[ \t]+[0-9]+$")
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file(STRINGS "${PCRE2_INCLUDE_DIR}/pcre2.h" PCRE2_VERSION_MINOR_LINE REGEX "^#define[ \t]+PCRE2_MINOR[ \t]+[0-9]+$")
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endif ()
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string(REGEX REPLACE "^#define[ \t]+PCRE2?_MAJOR[ \t]+([0-9]+)$" "\\1" PCRE2_VERSION_MAJOR "${PCRE2_VERSION_MAJOR_LINE}")
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string(REGEX REPLACE "^#define[ \t]+PCRE2?_MINOR[ \t]+([0-9]+)$" "\\1" PCRE2_VERSION_MINOR "${PCRE2_VERSION_MINOR_LINE}")
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set(PCRE2_VERSION_STRING "${PCRE2_VERSION_MAJOR}.${PCRE2_VERSION_MINOR}")
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unset(PCRE2_VERSION_MAJOR_LINE)
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unset(PCRE2_VERSION_MINOR_LINE)
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unset(PCRE2_VERSION_MAJOR)
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unset(PCRE2_VERSION_MINOR)
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endif ()
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include(SelectLibraryConfigurations)
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SELECT_LIBRARY_CONFIGURATIONS(PCRE2)
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## message("== PCRE_INCLUDE_DIR ${PCRE_INCLUDE_DIR}")
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## message("== PCRE2_LIBRARY ${PCRE2_LIBRARY}")
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## message("== PCRE2_LIBRARIES ${PCRE2_LIBRARIES}")
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## message("== PCRE2_LIBRARY_DEBUG ${PCRE2_LIBRARY_DEBUG}")
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## message("== PCRE2_LIBRARY_RELEASE ${PCRE2_LIBRARY_RELEASE}")
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set(PCRE2_INCLUDE_DIRS ${PCRE2_INCLUDE_DIR})
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set(PCRE2_LIBRARIES ${PCRE2_LIBRARY})
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include(FindPackageHandleStandardArgs)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(
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PCRE2
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REQUIRED_VARS
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PCRE2_LIBRARY
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PCRE2_INCLUDE_DIR
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VERSION_VAR
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PCRE2_VERSION_STRING
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)
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