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      1 # If we are not building as a part of LLVM, build LLDB as an
      2 # standalone project, using LLVM as an external library:
      3 if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
      4   project(lldb)
      5   cmake_minimum_required(VERSION 2.8)
      6 
      7   set(LLDB_PATH_TO_LLVM_SOURCE "" CACHE PATH
      8     "Path to LLVM source code. Not necessary if using an installed LLVM.")
      9   set(LLDB_PATH_TO_LLVM_BUILD "" CACHE PATH
     10     "Path to the directory where LLVM was built or installed.")
     11     
     12   set(LLDB_PATH_TO_CLANG_SOURCE "" CACHE PATH
     13     "Path to Clang source code. Not necessary if using an installed Clang.")
     14   set(LLDB_PATH_TO_CLANG_BUILD "" CACHE PATH
     15     "Path to the directory where Clang was built or installed.")    
     16 
     17   set(LLDB_DISABLE_PYTHON 1 BOOL "Disables the Python scripting integration.")
     18 
     19   if (LLDB_PATH_TO_LLVM_SOURCE)
     20     if (NOT EXISTS "${LLDB_PATH_TO_LLVM_SOURCE}/cmake/config-ix.cmake")
     21       message(FATAL_ERROR "Please set LLDB_PATH_TO_LLVM_SOURCE to the root "
     22               "directory of LLVM source code.")
     23     else()
     24       get_filename_component(LLVM_MAIN_SRC_DIR ${LLDB_PATH_TO_LLVM_SOURCE}
     25                              ABSOLUTE)
     26       list(APPEND CMAKE_MODULE_PATH "${LLVM_MAIN_SRC_DIR}/cmake/modules")
     27     endif()
     28   endif()
     29   
     30   if (LLDB_PATH_TO_CLANG_SOURCE)
     31       get_filename_component(CLANG_MAIN_SRC_DIR ${LLDB_PATH_TO_CLANG_SOURCE}
     32                              ABSOLUTE)
     33   endif()  
     34 
     35   list(APPEND CMAKE_MODULE_PATH "${LLDB_PATH_TO_LLVM_BUILD}/share/llvm/cmake")
     36 
     37   get_filename_component(PATH_TO_LLVM_BUILD ${LLDB_PATH_TO_LLVM_BUILD}
     38                          ABSOLUTE)
     39                          
     40   get_filename_component(PATH_TO_CLANG_BUILD ${LLDB_PATH_TO_CLANG_BUILD}
     41                          ABSOLUTE)                         
     42                          
     43   include(AddLLVM)
     44   include("${LLDB_PATH_TO_LLVM_BUILD}/share/llvm/cmake/LLVMConfig.cmake")
     45   include(HandleLLVMOptions)
     46 
     47   set(PACKAGE_VERSION "${LLVM_PACKAGE_VERSION}")
     48 
     49   set(LLVM_MAIN_INCLUDE_DIR "${LLVM_MAIN_SRC_DIR}/include")
     50   set(LLVM_BINARY_DIR ${CMAKE_BINARY_DIR})
     51   
     52   set(CLANG_MAIN_INCLUDE_DIR "${CLANG_MAIN_SRC_DIR}/include")
     53 
     54   set(CMAKE_INCLUDE_CURRENT_DIR ON)
     55   include_directories("${PATH_TO_LLVM_BUILD}/include"
     56                       "${LLVM_MAIN_INCLUDE_DIR}"
     57                       "${PATH_TO_CLANG_BUILD}/include"
     58                       "${CLANG_MAIN_INCLUDE_DIR}"
     59                       "${CMAKE_CURRENT_SOURCE_DIR}/source")
     60   link_directories("${PATH_TO_LLVM_BUILD}/lib"
     61                    "${PATH_TO_CLANG_BUILD}/lib")
     62 
     63   set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
     64   set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
     65   set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
     66 
     67   set(LLDB_BUILT_STANDALONE 1)
     68   
     69   if (LLDB_DISABLE_PYTHON)
     70     add_definitions( -DLLDB_DISABLE_PYTHON )
     71   endif() 
     72 endif()
     73 
     74 macro(add_lldb_definitions)
     75   # We don't want no semicolons on LLDB_DEFINITIONS:
     76   foreach(arg ${ARGN})
     77     set(LLDB_DEFINITIONS "${LLVM_DEFINITIONS} ${arg}")
     78   endforeach(arg)
     79   add_definitions( ${ARGN} )
     80 endmacro(add_lldb_definitions)
     81 
     82 include_directories(/usr/include/python2.7)
     83 include_directories(../clang/include)
     84 include_directories("${CMAKE_CURRENT_BINARY_DIR}/../clang/include")
     85 
     86 # lldb requires c++11 to build. Make sure that we have a compiler and standard
     87 # library combination that can do that.
     88 if (MSVC11)
     89   # Do nothing, we're good.
     90 elseif (NOT MSVC)
     91   # gcc and clang require the -std=c++0x or -std=c++11 flag.
     92   if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU" OR
     93       "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
     94     if (NOT ("${CMAKE_CXX_FLAGS}" MATCHES "-std=c\\+\\+0x" OR
     95              "${CMAKE_CXX_FLAGS}" MATCHES "-std=gnu\\+\\+0x" OR
     96              "${CMAKE_CXX_FLAGS}" MATCHES "-std=c\\+\\+11" OR
     97              "${CMAKE_CXX_FLAGS}" MATCHES "-std=gnu\\+\\+11"))
     98       if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
     99         if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "4.7")
    100           set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
    101         else()
    102           set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
    103         endif()
    104       else()
    105         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
    106       endif()
    107     endif()
    108   endif()
    109 else()
    110   message(FATAL_ERROR "The selected compiler does not support c++11 which is "
    111           "required to build lldb.")
    112 endif()
    113 
    114 # Disable Clang warnings
    115 if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
    116   add_lldb_definitions(
    117     -Wno-deprecated-declarations # Suppress "deprecated auto_ptr" warnings
    118   )
    119 endif()
    120 
    121 if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang"
    122     AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER "3.3")
    123   add_lldb_definitions(
    124     -Wno-deprecated-register # Suppress "deprecated register keyword" warnings
    125   )
    126 endif()
    127 
    128 # Disable MSVC warnings
    129 if( MSVC )
    130   add_lldb_definitions(
    131     -wd4018 # Suppress 'warning C4018: '>=' : signed/unsigned mismatch'
    132     -wd4068 # Suppress 'warning C4068: unknown pragma'
    133     -wd4150 # Suppress 'warning C4150: deletion of pointer to incomplete type'
    134     -wd4521 # Suppress 'warning C4521: 'type' : multiple copy constructors specified'
    135   )
    136 endif() 
    137 
    138 # If building on a 32-bit system, make sure off_t can store offsets > 2GB
    139 if( CMAKE_SIZEOF_VOID_P EQUAL 4 )
    140   add_lldb_definitions(
    141     -D_LARGEFILE_SOURCE
    142     -D_FILE_OFFSET_BITS=64
    143     )
    144 endif()
    145 
    146 set(LLDB_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
    147 set(LLDB_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
    148 
    149 if (CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR)
    150   message(FATAL_ERROR "In-source builds are not allowed. CMake would overwrite "
    151 "the makefiles distributed with LLDB. Please create a directory and run cmake "
    152 "from there, passing the path to this source directory as the last argument. "
    153 "This process created the file `CMakeCache.txt' and the directory "
    154 "`CMakeFiles'. Please delete them.")
    155 endif()
    156 
    157 # Compute the LLDB version from the LLVM version.
    158 string(REGEX MATCH "[0-9]+\\.[0-9]+(\\.[0-9]+)?" LLDB_VERSION
    159   ${PACKAGE_VERSION})
    160 message(STATUS "LLDB version: ${LLDB_VERSION}")
    161 
    162 macro(add_lldb_library name)
    163   llvm_process_sources(srcs ${ARGN})
    164   if (MSVC_IDE OR XCODE)
    165     string(REGEX MATCHALL "/[^/]+" split_path ${CMAKE_CURRENT_SOURCE_DIR})
    166     list(GET split_path -1 dir)
    167     file(GLOB_RECURSE headers
    168       ../../include/lldb${dir}/*.h)
    169     set(srcs ${srcs} ${headers})
    170   endif()
    171   if (MODULE)
    172     set(libkind MODULE)
    173   elseif (SHARED_LIBRARY)
    174     set(libkind SHARED)
    175   else()
    176     set(libkind STATIC)
    177   endif()
    178   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
    179   add_library(${name} ${libkind} ${srcs})
    180   #if (LLVM_COMMON_DEPENDS)
    181   ##add_dependencies(${name} ${LLVM_COMMON_DEPENDS})
    182   #endif()
    183 
    184   if(LLDB_USED_LIBS)
    185     if (CMAKE_SYSTEM_NAME MATCHES "Linux" OR CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
    186       target_link_libraries(${name} -Wl,--start-group ${LLDB_USED_LIBS} -Wl,--end-group)
    187     else()
    188       target_link_libraries(${name} ${LLDB_USED_LIBS})
    189     endif()
    190   endif()
    191   target_link_libraries(${name} ${CLANG_USED_LIBS})
    192   target_link_libraries(${name} ${LLVM_USED_LIBS})
    193   llvm_config(${name} ${LLVM_LINK_COMPONENTS})
    194   target_link_libraries(${name} ${LLVM_COMMON_LIBS})
    195   link_system_libs(${name})
    196   if (LLVM_COMMON_DEPENDS)
    197     add_dependencies(${name} ${LLVM_COMMON_DEPENDS})
    198   endif()
    199 
    200   # Hack: only some LLDB libraries depend on the clang autogenerated headers,
    201   # but it is simple enough to make all of LLDB depend on some of those
    202   # headers without negatively impacting much of anything.
    203   set (LLDB_DEPENDENCIES
    204     libclang
    205     )
    206   add_dependencies(${name} ${LLDB_DEPENDENCIES})
    207 
    208   install(TARGETS ${name}
    209     LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
    210     ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX})
    211   set_target_properties(${name} PROPERTIES FOLDER "lldb libraries")
    212 endmacro(add_lldb_library)
    213 
    214 macro(add_lldb_executable name)
    215   #add_llvm_executable(${name} ${ARGN})
    216   llvm_process_sources( ALL_FILES ${ARGN} )
    217   add_executable(${name} ${ALL_FILES})
    218   #target_link_libraries(${name} ${CLANG_USED_LIBS})
    219   #llvm_config( ${name} ${LLVM_LINK_COMPONENTS} )
    220   #link_system_libs( ${name} )
    221   #if (LLVM_COMMON_DEPENDS)
    222   #add_dependencies(${name} ${LLVM_COMMON_DEPENDS})
    223   #endif()
    224   set_target_properties(${name} PROPERTIES FOLDER "lldb executables")
    225 endmacro(add_lldb_executable)
    226 
    227 include_directories(BEFORE
    228   ${CMAKE_CURRENT_BINARY_DIR}/include
    229   ${CMAKE_CURRENT_SOURCE_DIR}/include
    230   )
    231 
    232 install(DIRECTORY include/
    233   DESTINATION include
    234   FILES_MATCHING
    235   PATTERN "*.h"
    236   PATTERN ".svn" EXCLUDE
    237   )
    238 
    239 
    240 # Find libraries or frameworks that may be needed
    241 if (CMAKE_SYSTEM_NAME MATCHES "Darwin")
    242   find_library(CARBON_LIBRARY Carbon)
    243   find_library(FOUNDATION_LIBRARY Foundation)
    244   find_library(CORE_FOUNDATION_LIBRARY CoreFoundation)
    245   find_library(CORE_SERVICES_LIBRARY CoreServices)
    246   find_library(SECURITY_LIBRARY Security)
    247   find_library(DEBUG_SYMBOLS_LIBRARY DebugSymbols PATHS "/System/Library/PrivateFrameworks")
    248 
    249   set(LIBXML2_INCLUDE_DIR "/usr/include/libxml2")
    250   list(APPEND system_libs xml2)
    251   list(APPEND system_libs ${CARBON_LIBRARY} ${FOUNDATION_LIBRARY}
    252   ${CORE_FOUNDATION_LIBRARY} ${CORE_SERVICES_LIBRARY} ${SECURITY_LIBRARY}
    253   ${DEBUG_SYMBOLS_LIBRARY})
    254 endif()
    255 
    256 # On FreeBSD, link libexecinfo because libc is missing  backtrace()
    257 if (CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
    258   list(APPEND system_libs execinfo)
    259 endif()
    260 
    261 #add_subdirectory(include)
    262 add_subdirectory(docs)
    263 add_subdirectory(scripts)
    264 add_subdirectory(source)
    265 add_subdirectory(test)
    266 add_subdirectory(tools)
    267