1# pcre2-config.cmake 2# ---------------- 3# 4# Finds the PCRE2 library, specify the starting search path in PCRE2_ROOT. 5# 6# Static vs. shared 7# ----------------- 8# To make use of the static library instead of the shared one, one needs 9# to set the variable PCRE2_USE_STATIC_LIBS to ON before calling find_package. 10# Example: 11# set(PCRE2_USE_STATIC_LIBS ON) 12# find_package(PCRE2 CONFIG COMPONENTS 8BIT) 13# 14# This will define the following variables: 15# 16# PCRE2_FOUND - True if the system has the PCRE2 library. 17# PCRE2_VERSION - The version of the PCRE2 library which was found. 18# 19# and the following imported targets: 20# 21# PCRE2::8BIT - The 8 bit PCRE2 library. 22# PCRE2::16BIT - The 16 bit PCRE2 library. 23# PCRE2::32BIT - The 32 bit PCRE2 library. 24# PCRE2::POSIX - The POSIX PCRE2 library. 25 26set(PCRE2_NON_STANDARD_LIB_PREFIX @NON_STANDARD_LIB_PREFIX@) 27set(PCRE2_NON_STANDARD_LIB_SUFFIX @NON_STANDARD_LIB_SUFFIX@) 28set(PCRE2_8BIT_NAME pcre2-8) 29set(PCRE2_16BIT_NAME pcre2-16) 30set(PCRE2_32BIT_NAME pcre2-32) 31set(PCRE2_POSIX_NAME pcre2-posix) 32find_path(PCRE2_INCLUDE_DIR NAMES pcre2.h DOC "PCRE2 include directory") 33if (PCRE2_USE_STATIC_LIBS) 34 if (MSVC) 35 set(PCRE2_8BIT_NAME pcre2-8-static) 36 set(PCRE2_16BIT_NAME pcre2-16-static) 37 set(PCRE2_32BIT_NAME pcre2-32-static) 38 set(PCRE2_POSIX_NAME pcre2-posix-static) 39 endif () 40 41 set(PCRE2_PREFIX ${CMAKE_STATIC_LIBRARY_PREFIX}) 42 set(PCRE2_SUFFIX ${CMAKE_STATIC_LIBRARY_SUFFIX}) 43else () 44 set(PCRE2_PREFIX ${CMAKE_SHARED_LIBRARY_PREFIX}) 45 if (MINGW AND PCRE2_NON_STANDARD_LIB_PREFIX) 46 set(PCRE2_PREFIX "") 47 endif () 48 49 set(PCRE2_SUFFIX ${CMAKE_SHARED_LIBRARY_SUFFIX}) 50 if (MINGW AND PCRE2_NON_STANDARD_LIB_SUFFIX) 51 set(PCRE2_SUFFIX "-0.dll") 52 endif () 53endif () 54find_library(PCRE2_8BIT_LIBRARY NAMES ${PCRE2_PREFIX}${PCRE2_8BIT_NAME}${PCRE2_SUFFIX} ${PCRE2_PREFIX}${PCRE2_8BIT_NAME}d${PCRE2_SUFFIX} DOC "8 bit PCRE2 library") 55find_library(PCRE2_16BIT_LIBRARY NAMES ${PCRE2_PREFIX}${PCRE2_16BIT_NAME}${PCRE2_SUFFIX} ${PCRE2_PREFIX}${PCRE2_8BIT_NAME}d${PCRE2_SUFFIX} DOC "16 bit PCRE2 library") 56find_library(PCRE2_32BIT_LIBRARY NAMES ${PCRE2_PREFIX}${PCRE2_32BIT_NAME}${PCRE2_SUFFIX} ${PCRE2_PREFIX}${PCRE2_8BIT_NAME}d${PCRE2_SUFFIX} DOC "32 bit PCRE2 library") 57find_library(PCRE2_POSIX_LIBRARY NAMES ${PCRE2_PREFIX}${PCRE2_POSIX_NAME}${PCRE2_SUFFIX} ${PCRE2_PREFIX}${PCRE2_8BIT_NAME}d${PCRE2_SUFFIX} DOC "8 bit POSIX PCRE2 library") 58unset(PCRE2_NON_STANDARD_LIB_PREFIX) 59unset(PCRE2_NON_STANDARD_LIB_SUFFIX) 60unset(PCRE2_8BIT_NAME) 61unset(PCRE2_16BIT_NAME) 62unset(PCRE2_32BIT_NAME) 63unset(PCRE2_POSIX_NAME) 64 65# Set version 66if (PCRE2_INCLUDE_DIR) 67 set(PCRE2_VERSION "@PCRE2_MAJOR@.@PCRE2_MINOR@.0") 68endif () 69 70# Which components have been found. 71if (PCRE2_8BIT_LIBRARY) 72 set(PCRE2_8BIT_FOUND TRUE) 73endif () 74if (PCRE2_16BIT_LIBRARY) 75 set(PCRE2_16BIT_FOUND TRUE) 76endif () 77if (PCRE2_32BIT_LIBRARY) 78 set(PCRE2_32BIT_FOUND TRUE) 79endif () 80if (PCRE2_POSIX_LIBRARY) 81 set(PCRE2_POSIX_FOUND TRUE) 82endif () 83 84# Check if at least one component has been specified. 85list(LENGTH PCRE2_FIND_COMPONENTS PCRE2_NCOMPONENTS) 86if (PCRE2_NCOMPONENTS LESS 1) 87 message(FATAL_ERROR "No components have been specified. This is not allowed. Please, specify at least one component.") 88endif () 89unset(PCRE2_NCOMPONENTS) 90 91# When POSIX component has been specified make sure that also 8BIT component is specified. 92set(PCRE2_8BIT_COMPONENT FALSE) 93set(PCRE2_POSIX_COMPONENT FALSE) 94foreach(component ${PCRE2_FIND_COMPONENTS}) 95 if (component STREQUAL "8BIT") 96 set(PCRE2_8BIT_COMPONENT TRUE) 97 elseif (component STREQUAL "POSIX") 98 set(PCRE2_POSIX_COMPONENT TRUE) 99 endif () 100endforeach() 101 102if (PCRE2_POSIX_COMPONENT AND NOT PCRE2_8BIT_COMPONENT) 103 message(FATAL_ERROR "The component POSIX is specified while the 8BIT one is not. This is not allowed. Please, also specify the 8BIT component.") 104endif() 105unset(PCRE2_8BIT_COMPONENT) 106unset(PCRE2_POSIX_COMPONENT) 107 108include(FindPackageHandleStandardArgs) 109set(${CMAKE_FIND_PACKAGE_NAME}_CONFIG "${CMAKE_CURRENT_LIST_FILE}") 110find_package_handle_standard_args(PCRE2 111 FOUND_VAR PCRE2_FOUND 112 REQUIRED_VARS PCRE2_INCLUDE_DIR 113 HANDLE_COMPONENTS 114 VERSION_VAR PCRE2_VERSION 115 CONFIG_MODE 116) 117 118set(PCRE2_LIBRARIES) 119if (PCRE2_FOUND) 120 foreach(component ${PCRE2_FIND_COMPONENTS}) 121 if (PCRE2_USE_STATIC_LIBS) 122 add_library(PCRE2::${component} STATIC IMPORTED) 123 target_compile_definitions(PCRE2::${component} INTERFACE PCRE2_STATIC) 124 else () 125 add_library(PCRE2::${component} SHARED IMPORTED) 126 endif () 127 set_target_properties(PCRE2::${component} PROPERTIES 128 IMPORTED_LOCATION "${PCRE2_${component}_LIBRARY}" 129 INTERFACE_INCLUDE_DIRECTORIES "${PCRE2_INCLUDE_DIR}" 130 ) 131 if (component STREQUAL "POSIX") 132 set_target_properties(PCRE2::${component} PROPERTIES 133 INTERFACE_LINK_LIBRARIES "PCRE2::8BIT" 134 LINK_LIBRARIES "PCRE2::8BIT" 135 ) 136 endif () 137 138 set(PCRE2_LIBRARIES ${PCRE2_LIBRARIES} ${PCRE2_${component}_LIBRARY}) 139 mark_as_advanced(PCRE2_${component}_LIBRARY) 140 endforeach() 141endif () 142 143mark_as_advanced( 144 PCRE2_INCLUDE_DIR 145) 146