55#
66# Static vs. shared
77# -----------------
8- # To make use of the static library instead of the shared one, one needs
8+ # To force using the static library instead of the shared one, one needs
99# to set the variable PCRE2_USE_STATIC_LIBS to ON before calling find_package.
10+ # If the variable is not set, the static library will be used if only that has
11+ # been built, otherwise the shared library will be used.
12+ #
13+ # The following components are supported: 8BIT, 16BIT, 32BIT and POSIX.
14+ # They used to be required but not anymore; all available targets will
15+ # be defined regardless of the requested components.
1016# Example:
1117# set(PCRE2_USE_STATIC_LIBS ON)
12- # find_package(PCRE2 CONFIG COMPONENTS 8BIT )
18+ # find_package(PCRE2 CONFIG)
1319#
1420# This will define the following variables:
1521#
2329# PCRE2::32BIT - The 32 bit PCRE2 library.
2430# PCRE2::POSIX - The POSIX PCRE2 library.
2531
26- set (PCRE2_NON_STANDARD_LIB_PREFIX @NON_STANDARD_LIB_PREFIX@)
27- set (PCRE2_NON_STANDARD_LIB_SUFFIX @NON_STANDARD_LIB_SUFFIX@)
28- set (PCRE2_8BIT_NAME pcre2-8)
29- set (PCRE2_16BIT_NAME pcre2-16)
30- set (PCRE2_32BIT_NAME pcre2-32)
31- set (PCRE2_POSIX_NAME pcre2-posix)
32- find_path (PCRE2_INCLUDE_DIR NAMES pcre2.h DOC "PCRE2 include directory" )
33- if (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} )
43- else ()
44- set (PCRE2_PREFIX ${CMAKE_SHARED_LIBRARY_PREFIX} )
45- if (MINGW AND PCRE2_NON_STANDARD_LIB_PREFIX)
46- set (PCRE2_PREFIX "" )
47- endif ()
32+ @PACKAGE_INIT@
4833
49- set (PCRE2_SUFFIX ${CMAKE_SHARED_LIBRARY_SUFFIX} )
50- if (MINGW AND PCRE2_NON_STANDARD_LIB_SUFFIX)
51- set (PCRE2_SUFFIX "-0.dll" )
52- elseif (MSVC )
53- set (PCRE2_SUFFIX ${CMAKE_STATIC_LIBRARY_SUFFIX} )
54- endif ()
34+ include (CMakeFindDependencyMacro)
35+ if ("@REQUIRE_PTHREAD@" ) # REQUIRE_PTHREAD
36+ find_dependency(Threads)
5537endif ()
56- find_library (
57- PCRE2_8BIT_LIBRARY
58- NAMES ${PCRE2_PREFIX}${PCRE2_8BIT_NAME}${PCRE2_SUFFIX} ${PCRE2_PREFIX}${PCRE2_8BIT_NAME} d${PCRE2_SUFFIX}
59- DOC "8 bit PCRE2 library"
60- )
61- find_library (
62- PCRE2_16BIT_LIBRARY
63- NAMES ${PCRE2_PREFIX}${PCRE2_16BIT_NAME}${PCRE2_SUFFIX} ${PCRE2_PREFIX}${PCRE2_16BIT_NAME} d${PCRE2_SUFFIX}
64- DOC "16 bit PCRE2 library"
65- )
66- find_library (
67- PCRE2_32BIT_LIBRARY
68- NAMES ${PCRE2_PREFIX}${PCRE2_32BIT_NAME}${PCRE2_SUFFIX} ${PCRE2_PREFIX}${PCRE2_32BIT_NAME} d${PCRE2_SUFFIX}
69- DOC "32 bit PCRE2 library"
70- )
71- find_library (
72- PCRE2_POSIX_LIBRARY
73- NAMES ${PCRE2_PREFIX}${PCRE2_POSIX_NAME}${PCRE2_SUFFIX} ${PCRE2_PREFIX}${PCRE2_POSIX_NAME} d${PCRE2_SUFFIX}
74- DOC "8 bit POSIX PCRE2 library"
75- )
76- unset (PCRE2_NON_STANDARD_LIB_PREFIX)
77- unset (PCRE2_NON_STANDARD_LIB_SUFFIX)
78- unset (PCRE2_8BIT_NAME)
79- unset (PCRE2_16BIT_NAME)
80- unset (PCRE2_32BIT_NAME)
81- unset (PCRE2_POSIX_NAME)
8238
83- # Set version
84- if (PCRE2_INCLUDE_DIR)
85- set (PCRE2_VERSION
"@PCRE2_MAJOR@.@[email protected] " )
86- endif ()
39+ include ("${CMAKE_CURRENT_LIST_DIR} /pcre2-targets.cmake" )
8740
88- # Which components have been found.
89- if (PCRE2_8BIT_LIBRARY)
90- set (PCRE2_8BIT_FOUND TRUE )
91- endif ()
92- if (PCRE2_16BIT_LIBRARY)
93- set (PCRE2_16BIT_FOUND TRUE )
94- endif ()
95- if (PCRE2_32BIT_LIBRARY)
96- set (PCRE2_32BIT_FOUND TRUE )
97- endif ()
98- if (PCRE2_POSIX_LIBRARY)
99- set (PCRE2_POSIX_FOUND TRUE )
100- endif ()
41+ # Set version
42+ set (PCRE2_VERSION
"@PCRE2_MAJOR@.@[email protected] " )
10143
102- # Check if at least one component has been specified.
103- list (LENGTH PCRE2_FIND_COMPONENTS PCRE2_NCOMPONENTS)
104- if (PCRE2_NCOMPONENTS LESS 1)
105- message (FATAL_ERROR "No components have been specified. This is not allowed. Please, specify at least one component." )
106- endif ()
107- unset (PCRE2_NCOMPONENTS)
44+ # Chooses the linkage of the library to expose in the
45+ # unsuffixed edition of the target.
46+ macro (_pcre2_add_component_target component target )
47+ # If the static library exists and either PCRE2_USE_STATIC_LIBS
48+ # is defined, or the dynamic library does not exist, use the static library.
49+ if (NOT TARGET PCRE2::${component} )
50+ if (TARGET pcre2::pcre2-${target} -static AND (PCRE2_USE_STATIC_LIBS OR NOT TARGET pcre2::pcre2-${target} -shared))
51+ add_library (PCRE2::${component} ALIAS pcre2::pcre2-${target} -static )
52+ set (PCRE2_${component} _FOUND TRUE )
53+ # Otherwise use the dynamic library if it exists.
54+ elseif (TARGET pcre2::pcre2-${target} -shared AND NOT PCRE2_USE_STATIC_LIBS)
55+ add_library (PCRE2::${component} ALIAS pcre2::pcre2-${target} -shared)
56+ set (PCRE2_${component} _FOUND TRUE )
57+ endif ()
58+ if (PCRE2_${component} _FOUND)
59+ get_target_property (PCRE2_${component} _LIBRARY PCRE2::${component} IMPORTED_LOCATION )
60+ set (PCRE2_LIBRARIES ${PCRE2_LIBRARIES} ${PCRE2_${component} _LIBRARY})
61+ endif ()
62+ endif ()
63+ endmacro ()
64+ _pcre2_add_component_target(8BIT 8)
65+ _pcre2_add_component_target(16BIT 16)
66+ _pcre2_add_component_target(32BIT 32)
67+ _pcre2_add_component_target(POSIX posix)
10868
10969# When POSIX component has been specified make sure that also 8BIT component is specified.
11070set (PCRE2_8BIT_COMPONENT FALSE )
@@ -126,43 +86,5 @@ endif()
12686unset (PCRE2_8BIT_COMPONENT)
12787unset (PCRE2_POSIX_COMPONENT)
12888
129- include (FindPackageHandleStandardArgs)
130- set (${CMAKE_FIND_PACKAGE_NAME} _CONFIG "${CMAKE_CURRENT_LIST_FILE} " )
131- find_package_handle_standard_args(
132- PCRE2
133- FOUND_VAR PCRE2_FOUND
134- REQUIRED_VARS PCRE2_INCLUDE_DIR
135- HANDLE_COMPONENTS
136- VERSION_VAR PCRE2_VERSION
137- CONFIG_MODE
138- )
139-
140- set (PCRE2_LIBRARIES)
141- if (PCRE2_FOUND)
142- foreach (component ${PCRE2_FIND_COMPONENTS} )
143- if (PCRE2_USE_STATIC_LIBS)
144- add_library (PCRE2::${component} STATIC IMPORTED )
145- target_compile_definitions (PCRE2::${component} INTERFACE PCRE2_STATIC)
146- else ()
147- add_library (PCRE2::${component} SHARED IMPORTED )
148- endif ()
149- set_target_properties (
150- PCRE2::${component}
151- PROPERTIES
152- IMPORTED_LOCATION "${PCRE2_${component} _LIBRARY}"
153- IMPORTED_IMPLIB "${PCRE2_${component} _LIBRARY}"
154- INTERFACE_INCLUDE_DIRECTORIES "${PCRE2_INCLUDE_DIR} "
155- )
156- if (component STREQUAL "POSIX" )
157- set_target_properties (
158- PCRE2::${component}
159- PROPERTIES INTERFACE_LINK_LIBRARIES "PCRE2::8BIT" LINK_LIBRARIES "PCRE2::8BIT"
160- )
161- endif ()
162-
163- set (PCRE2_LIBRARIES ${PCRE2_LIBRARIES} ${PCRE2_${component} _LIBRARY})
164- mark_as_advanced (PCRE2_${component} _LIBRARY)
165- endforeach ()
166- endif ()
167-
168- mark_as_advanced (PCRE2_INCLUDE_DIR)
89+ # Check for required components.
90+ check_required_components("PCRE2" )
0 commit comments