Added CMake config files.
This will simplify linking against the lib, both from the build-tree and install-tree from other CMake projects. CMakes find_package command uses these configs to locate the exported targets for the library. * Also changed so that all CMake options for the project are prepended with JANSSON_ so that there is no ambiguity when including this as a subdirectory in another CMake project.
This commit is contained in:
Joakim Soderberg
parent
b21cd65d30
commit
913937c98d
222
CMakeLists.txt
222
CMakeLists.txt
@ -51,24 +51,24 @@ cmake_minimum_required (VERSION 2.8)
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project (jansson C)
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# Options
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OPTION (BUILD_SHARED_LIBS "Build shared libraries." OFF)
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option(JANSSON_BUILD_SHARED_LIBS "Build shared libraries." OFF)
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if (MSVC)
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# This option must match the settings used in your program, in particular if you
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# are linking statically
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OPTION( STATIC_CRT "Link the static CRT libraries" OFF )
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option(JANSSON_STATIC_CRT "Link the static CRT libraries" OFF )
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endif ()
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# Set some nicer output dirs.
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SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/bin)
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SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib)
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SET(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib)
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set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/bin)
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set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib)
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set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib)
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# Give the debug version a different postfix for windows,
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# so both the debug and release version can be built in the
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# same build-tree on Windows (MSVC).
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if (WIN32)
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SET (CMAKE_DEBUG_POSTFIX "_d")
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set(CMAKE_DEBUG_POSTFIX "_d")
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else (WIN32)
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endif (WIN32)
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@ -79,8 +79,8 @@ endif (WIN32)
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set(JANSSON_DISPLAY_VERSION "2.5")
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# This is what is required to match the same numbers as automake's
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set (JANSSON_VERSION "4.5.0")
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set (JANSSON_SOVERSION 4)
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set(JANSSON_VERSION "4.5.0")
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set(JANSSON_SOVERSION 4)
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# for CheckFunctionKeywords
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set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
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@ -204,11 +204,11 @@ if (HAVE_LOCALECONV AND HAVE_LOCALE_H)
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set (JSON_HAVE_LOCALECONV 1)
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else ()
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set (JSON_HAVE_LOCALECONV 0)
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endif ()
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endif()
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# check if we have setlocale
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check_function_exists (setlocale HAVE_SETLOCALE)
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check_function_exists(setlocale HAVE_SETLOCALE)
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# Check what the inline keyword is.
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@ -218,38 +218,25 @@ check_function_keywords("__inline")
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check_function_keywords("__inline__")
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if (HAVE_INLINE)
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set (JSON_INLINE inline)
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set(JSON_INLINE inline)
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elseif (HAVE___INLINE)
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set (JSON_INLINE __inline)
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set(JSON_INLINE __inline)
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elseif (HAVE___INLINE__)
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set (JSON_INLINE __inline__)
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else (HAVE_INLINE)
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set(JSON_INLINE __inline__)
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else()
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# no inline on this platform
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set (JSON_INLINE)
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endif (HAVE_INLINE)
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endif()
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# Find our snprintf
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check_function_exists (snprintf HAVE_SNPRINTF)
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check_function_exists (_snprintf HAVE__SNPRINTF)
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if (HAVE_SNPRINTF)
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set (JSON_SNPRINTF snprintf)
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set(JSON_SNPRINTF snprintf)
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elseif (HAVE__SNPRINTF)
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set (JSON_SNPRINTF _snprintf)
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endif ()
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# Create pkg-conf file.
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# (We use the same files as ./configure does, so we
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# have to defined the same variables used there).
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if(NOT DEFINED CMAKE_INSTALL_LIBDIR)
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set(CMAKE_INSTALL_LIBDIR lib)
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endif(NOT DEFINED CMAKE_INSTALL_LIBDIR)
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set(prefix ${CMAKE_INSTALL_PREFIX})
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set(exec_prefix ${CMAKE_INSTALL_PREFIX})
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set(libdir ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR})
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set(VERSION ${JANSSON_DISPLAY_VERSION})
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configure_file(${CMAKE_CURRENT_SOURCE_DIR}/jansson.pc.in
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${CMAKE_CURRENT_BINARY_DIR}/jansson.pc @ONLY)
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set(JSON_SNPRINTF _snprintf)
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endif ()
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# configure the public config file
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configure_file (${CMAKE_CURRENT_SOURCE_DIR}/cmake/jansson_config.h.cmake
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@ -271,47 +258,48 @@ include_directories (${CMAKE_CURRENT_BINARY_DIR}/include)
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include_directories (${CMAKE_CURRENT_BINARY_DIR}/private_include)
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# Add the lib sources.
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file (GLOB C_FILES src/*.c)
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file(GLOB JANSSON_SRC src/*.c)
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if (BUILD_SHARED_LIBS)
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set(JANSSON_HDR_PRIVATE
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${CMAKE_CURRENT_SOURCE_DIR}/src/hashtable.h
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${CMAKE_CURRENT_SOURCE_DIR}/src/jansson_private.h
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${CMAKE_CURRENT_SOURCE_DIR}/src/strbuffer.h
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${CMAKE_CURRENT_SOURCE_DIR}/src/utf.h)
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add_library (jansson SHARED ${C_FILES} src/jansson.def)
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set(JANSSON_HDR_PUBLIC
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${CMAKE_CURRENT_BINARY_DIR}/include/jansson_config.h
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${CMAKE_CURRENT_SOURCE_DIR}/src/jansson.h)
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set_target_properties (jansson PROPERTIES
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source_group("Library Sources" FILES ${JANSSON_SRC})
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source_group("Library Private Headers" FILES ${JANSSON_HDR_PRIVATE})
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source_group("Library Public Headers" FILES ${JANSSON_HDR_PUBLIC})
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if(JANSSON_BUILD_SHARED_LIBS)
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add_library(jansson SHARED
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${JANSSON_SRC}
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${JANSSON_HDR_PRIVATE}
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${JANSSON_HDR_PUBLIC}
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src/jansson.def)
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set_target_properties(jansson PROPERTIES
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VERSION ${JANSSON_VERSION}
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SOVERSION ${JANSSON_SOVERSION})
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else()
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add_library(jansson
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${JANSSON_SRC}
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${JANSSON_HDR_PRIVATE}
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${JANSSON_HDR_PUBLIC})
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endif()
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else ()
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add_library (jansson ${C_FILES})
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endif ()
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# LIBRARY for linux
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# RUNTIME for windows (when building shared)
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install (TARGETS jansson
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ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
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LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
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RUNTIME DESTINATION bin
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)
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install (FILES
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${CMAKE_CURRENT_BINARY_DIR}/include/jansson_config.h
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${CMAKE_CURRENT_SOURCE_DIR}/src/jansson.h
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DESTINATION include)
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install (FILES
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${CMAKE_CURRENT_BINARY_DIR}/jansson.pc
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DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
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# For building Documentation (uses Sphinx)
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OPTION (BUILD_DOCS "Build documentation (uses python-sphinx)." ON)
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if (BUILD_DOCS)
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option(JANSSON_BUILD_DOCS "Build documentation (uses python-sphinx)." ON)
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if (JANSSON_BUILD_DOCS)
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find_package(Sphinx)
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if (NOT SPHINX_FOUND)
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message(WARNING "Sphinx not found. Cannot generate documentation!
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Set -DBUILD_DOCS=0 to get rid of this message.")
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Set -DJSON_BUILD_DOCS=0 to get rid of this message.")
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else()
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if (Sphinx_VERSION_STRING VERSION_LESS 1.0)
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message(WARNING "Your Sphinx version is too old!
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@ -346,9 +334,9 @@ if (BUILD_DOCS)
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# Add documentation targets.
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set(DOC_TARGETS html)
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OPTION(BUILD_MAN "Create a target for building man pages." ON)
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option(JANSSON_BUILD_MAN "Create a target for building man pages." ON)
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if (BUILD_MAN)
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if (JANSSON_BUILD_MAN)
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if (Sphinx_VERSION_STRING VERSION_LESS 1.0)
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message(WARNING "Sphinx version 1.0 > is required to build man pages. You have v${Sphinx_VERSION_STRING}.")
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else()
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@ -356,9 +344,9 @@ if (BUILD_DOCS)
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endif()
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endif()
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OPTION(BUILD_LATEX "Create a target for building latex docs (to create PDF)." OFF)
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option(JANSSON_BUILD_LATEX "Create a target for building latex docs (to create PDF)." OFF)
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if (BUILD_LATEX)
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if (JANSSON_BUILD_LATEX)
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find_package(LATEX)
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if (NOT LATEX_COMPILER)
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@ -391,14 +379,14 @@ if (BUILD_DOCS)
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endif ()
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OPTION (WITHOUT_TESTS "Don't build tests ('make test' to execute tests)" OFF)
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option(JANSSON_WITHOUT_TESTS "Don't build tests ('make test' to execute tests)" OFF)
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if (NOT WITHOUT_TESTS)
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OPTION (TEST_WITH_VALGRIND "Enable valgrind tests." OFF)
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if (NOT JANSSON_WITHOUT_TESTS)
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option(JANSSON_TEST_WITH_VALGRIND "Enable valgrind tests." OFF)
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ENABLE_TESTING()
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if (TEST_WITH_VALGRIND)
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if (JANSSON_TEST_WITH_VALGRIND)
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# TODO: Add FindValgrind.cmake instead of having a hardcoded path.
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# enable valgrind
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@ -479,3 +467,101 @@ if (NOT WITHOUT_TESTS)
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DEPENDS json_process ${api_tests})
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endif ()
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#
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# Installation preparation.
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#
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# Allow the user to override installation directories.
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set(JANSSON_INSTALL_LIB_DIR lib CACHE PATH "Installation directory for libraries")
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set(JANSSON_INSTALL_BIN_DIR bin CACHE PATH "Installation directory for executables")
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set(JANSSON_INSTALL_INCLUDE_DIR include CACHE PATH "Installation directory for header files")
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if(WIN32 AND NOT CYGWIN)
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set(DEF_INSTALL_CMAKE_DIR cmake)
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else()
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set(DEF_INSTALL_CMAKE_DIR lib/cmake/jansson)
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endif()
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set(JANSSON_INSTALL_CMAKE_DIR ${DEF_INSTALL_CMAKE_DIR} CACHE PATH "Installation directory for CMake files")
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# Make sure the paths are absolute.
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foreach(p LIB BIN INCLUDE CMAKE)
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set(var JANSSON_INSTALL_${p}_DIR)
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if(NOT IS_ABSOLUTE "${${var}}")
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set(${var} "${CMAKE_INSTALL_PREFIX}/${${var}}")
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endif()
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endforeach()
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# Export targets (This is used for other CMake projects to easily find the libraries and include files).
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export(TARGETS jansson
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FILE "${PROJECT_BINARY_DIR}/JanssonTargets.cmake")
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export(PACKAGE jansson)
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# Generate the config file for the build-tree.
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set(JANSSON__INCLUDE_DIRS
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"${PROJECT_SOURCE_DIR}/include"
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"${PROJECT_BINARY_DIR}/include")
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configure_file(${PROJECT_SOURCE_DIR}/cmake/JanssonConfig.cmake.in
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${PROJECT_BINARY_DIR}/JanssonConfig.cmake
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@ONLY)
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# Generate the config file for the installation tree.
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file(RELATIVE_PATH
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REL_INCLUDE_DIR
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"${JANSSON_INSTALL_CMAKE_DIR}"
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"${JANSSON_INSTALL_INCLUDE_DIR}") # Calculate the relative directory from the Cmake dir.
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# Note the EVENT_CMAKE_DIR is defined in JanssonConfig.cmake.in,
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# we escape it here so it's evaluated when it is included instead
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# so that the include dirs are given relative to where the
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# config file is located.
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set(JANSSON__INCLUDE_DIRS
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"\${JANSSON_CMAKE_DIR}/${REL_INCLUDE_DIR}")
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configure_file(${PROJECT_SOURCE_DIR}/cmake/JanssonConfig.cmake.in
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${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/JanssonConfig.cmake
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@ONLY)
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# Generate version info for both build-tree and install-tree.
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configure_file(${PROJECT_SOURCE_DIR}/cmake/JanssonConfigVersion.cmake.in
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${PROJECT_BINARY_DIR}/JanssonConfigVersion.cmake
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@ONLY)
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# Define the public headers.
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set_target_properties(jansson PROPERTIES PUBLIC_HEADER "${JANSSON_HDR_PUBLIC}")
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#TODO: fix this.
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# Create pkg-conf file.
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# (We use the same files as ./configure does, so we
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# have to defined the same variables used there).
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set(prefix ${CMAKE_INSTALL_PREFIX})
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set(exec_prefix ${CMAKE_INSTALL_PREFIX})
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set(libdir ${CMAKE_INSTALL_PREFIX}/${JANSSON_INSTALL_LIB_DIR})
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set(VERSION ${JANSSON_DISPLAY_VERSION})
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configure_file(${CMAKE_CURRENT_SOURCE_DIR}/jansson.pc.in
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${CMAKE_CURRENT_BINARY_DIR}/jansson.pc @ONLY)
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#
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# Install targets.
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#
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install(TARGETS jansson
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EXPORT JanssonTargets
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LIBRARY DESTINATION "${JANSSON_INSTALL_LIB_DIR}" COMPONENT lib
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ARCHIVE DESTINATION "${JANSSON_INSTALL_LIB_DIR}" COMPONENT lib
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RUNTIME DESTINATION "${JANSSON_INSTALL_BIN_DIR}" COMPONENT lib # Windows DLLs
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PUBLIC_HEADER DESTINATION "${JANSSON_INSTALL_INCLUDE_DIR}" COMPONENT dev)
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# Install the pkg-config.
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install (FILES
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${CMAKE_CURRENT_BINARY_DIR}/jansson.pc
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DESTINATION ${JANSSON_INSTALL_LIB_DIR}/pkgconfig COMPONENT dev)
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# Install the configs.
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install(FILES
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${PROJECT_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/JanssonConfig.cmake
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${PROJECT_BINARY_DIR}/JanssonConfigVersion.cmake
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DESTINATION "${JANSSON_INSTALL_CMAKE_DIR}" COMPONENT dev)
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# Install exports for the install-tree.
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install(EXPORT JanssonTargets
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DESTINATION "${JANSSON_INSTALL_CMAKE_DIR}" COMPONENT dev)
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17
cmake/JanssonConfig.cmake.in
Normal file
17
cmake/JanssonConfig.cmake.in
Normal file
@ -0,0 +1,17 @@
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# - Config file for the Libevent package
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# It defines the following variables
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# LIBEVENT_INCLUDE_DIRS - include directories for FooBar
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# LIBEVENT_LIBRARIES - libraries to link against
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# Get the path of the current file.
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get_filename_component(JANSSON_CMAKE_DIR "${CMAKE_CURRENT_LIST_FILE}" PATH)
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# Set the include directories.
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set(JANSSON_INCLUDE_DIRS "@JANSSON__INCLUDE_DIRS@")
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# Include the project Targets file, this contains definitions for IMPORTED targets.
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include(${JANSSON_CMAKE_DIR}/JanssonTargets.cmake)
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# IMPORTED targets from LibeventTargets.cmake
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set(JANSSON_LIBRARIES event event_core event_extras)
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11
cmake/JanssonConfigVersion.cmake.in
Normal file
11
cmake/JanssonConfigVersion.cmake.in
Normal file
@ -0,0 +1,11 @@
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set(PACKAGE_VERSION "@JANSSON_DISPLAY_VERSION@")
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# Check whether the requested PACKAGE_FIND_VERSION is compatible
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if("${PACKAGE_VERSION}" VERSION_LESS "${PACKAGE_FIND_VERSION}")
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set(PACKAGE_VERSION_COMPATIBLE FALSE)
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else()
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set(PACKAGE_VERSION_COMPATIBLE TRUE)
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if ("${PACKAGE_VERSION}" VERSION_EQUAL "${PACKAGE_FIND_VERSION}")
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set(PACKAGE_VERSION_EXACT TRUE)
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endif()
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endif()
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Block a user