fix PR9856, an incorrectly conservative assertion: a global can be
[llvm/stm8.git] / CMakeLists.txt
blobe0404cf4b8bf19265b8513670eed7ed587ea5000
1 # See docs/CMake.html for instructions about how to build LLVM with CMake.
3 project(LLVM)
4 cmake_minimum_required(VERSION 2.8)
6 # Add path for custom modules
7 set(CMAKE_MODULE_PATH
8   ${CMAKE_MODULE_PATH}
9   "${CMAKE_CURRENT_SOURCE_DIR}/cmake"
10   "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules"
11   )
13 set(PACKAGE_VERSION "3.0")
15 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
17 include(VersionFromVCS)
19 option(LLVM_APPEND_VC_REV
20   "Append the version control system revision id to LLVM version" OFF)
22 if( LLVM_APPEND_VC_REV )
23   add_version_info_from_vcs(PACKAGE_VERSION)
24 endif()
26 set(PACKAGE_NAME llvm)
27 set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
28 set(PACKAGE_BUGREPORT "llvmbugs@cs.uiuc.edu")
30 if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
31   message(FATAL_ERROR "In-source builds are not allowed.
32 CMake would overwrite the makefiles distributed with LLVM.
33 Please create a directory and run cmake from there, passing the path
34 to this source directory as the last argument.
35 This process created the file `CMakeCache.txt' and the directory `CMakeFiles'.
36 Please delete them.")
37 endif()
39 string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
41 set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR})
42 set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include)
43 set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
44 set(LLVM_TOOLS_BINARY_DIR ${LLVM_BINARY_DIR}/bin)
45 set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
46 set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
48 if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
49   file(GLOB_RECURSE
50     tablegenned_files_on_include_dir
51     "${LLVM_MAIN_SRC_DIR}/include/llvm/*.gen")
52   file(GLOB_RECURSE
53     tablegenned_files_on_lib_dir
54     "${LLVM_MAIN_SRC_DIR}/lib/Target/*.inc")
55   if( tablegenned_files_on_include_dir OR tablegenned_files_on_lib_dir)
56     message(FATAL_ERROR "Apparently there is a previous in-source build,
57 probably as the result of running `configure' and `make' on
58 ${LLVM_MAIN_SRC_DIR}.
59 This may cause problems. The suspicious files are:
60 ${tablegenned_files_on_lib_dir}
61 ${tablegenned_files_on_include_dir}
62 Please clean the source directory.")
63   endif()
64 endif()
66 set(LLVM_ALL_TARGETS
67   Alpha
68   ARM
69   Blackfin
70   CBackend
71   CellSPU
72   CppBackend
73   Mips
74   MBlaze
75   MSP430
76   PowerPC
77   PTX
78   Sparc
79   SystemZ
80   X86
81   XCore
82   )
84 # List of targets with JIT support:
85 set(LLVM_TARGETS_WITH_JIT X86 PowerPC ARM)
87 if( MSVC )
88   set(LLVM_TARGETS_TO_BUILD X86
89     CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
90 else( MSVC )
91   set(LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS}
92     CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
93 endif( MSVC )
95 option(LLVM_ENABLE_CBE_PRINTF_A "Set to ON if CBE is enabled for printf %a output" ON)
96 if(LLVM_ENABLE_CBE_PRINTF_A)
97   set(ENABLE_CBE_PRINTF_A 1)
98 endif()
100 option(LLVM_ENABLE_TIMESTAMPS "Enable embedding timestamp information in build" ON)
101 if(LLVM_ENABLE_TIMESTAMPS)
102   set(ENABLE_TIMESTAMPS 1)
103 endif()
105 option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF)
106 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
107 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
109 set(LLVM_TARGET_ARCH "host"
110   CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
112 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
114 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
115   set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
116 endif()
118 set(LLVM_ENUM_TARGETS "")
119 foreach(c ${LLVM_TARGETS_TO_BUILD})
120   list(FIND LLVM_ALL_TARGETS ${c} idx)
121   if( idx LESS 0 )
122     message(FATAL_ERROR "The target `${c}' does not exist.
123     It should be one of\n${LLVM_ALL_TARGETS}")
124   else()
125     set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${c})\n")
126   endif()
127 endforeach(c)
129 # Produce llvm/Config/Targets.def
130 configure_file(
131   ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
132   ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def
133   )
135 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
137 include(AddLLVMDefinitions)
139 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
141 # MSVC has a gazillion warnings with this.
142 if( MSVC )
143   option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF)
144 else( MSVC )
145   option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
146 endif()
148 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
149 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
151 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
152   option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
153 else()
154   option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
155 endif()
157 # All options referred to from HandleLLVMOptions have to be specified
158 # BEFORE this include, otherwise options will not be correctly set on
159 # first cmake run
160 include(config-ix)
161 include(HandleLLVMOptions)
163 configure_file(
164   ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
165   ${LLVM_BINARY_DIR}/include/llvm/Config/config.h)
167 configure_file(
168   ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
169   ${LLVM_BINARY_DIR}/include/llvm/Config/llvm-config.h)
171 configure_file(
172   ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake
173   ${LLVM_BINARY_DIR}/include/llvm/Support/DataTypes.h)
175 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
176 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
177 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
179 set(CMAKE_INCLUDE_CURRENT_DIR ON)
181 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
183 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
184    SET(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-include llvm/Support/Solaris.h")
185 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
187 include(AddLLVM)
188 include(TableGen)
190 if( MINGW )
191   # People report that -O3 is unreliable on MinGW. The traditional
192   # build also uses -O2 for that reason:
193   llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
194 endif()
196 # Put this before tblgen. Else we have a circular dependence.
197 add_subdirectory(lib/Support)
199 set(LLVM_TABLEGEN "tblgen" CACHE
200   STRING "Native TableGen executable. Saves building one when cross-compiling.")
201 # Effective tblgen executable to be used:
202 set(LLVM_TABLEGEN_EXE ${LLVM_TABLEGEN})
204 add_subdirectory(utils/TableGen)
206 if( CMAKE_CROSSCOMPILING )
207   # This adds a dependency on target `tblgen', so must go after utils/TableGen
208   include( CrossCompileLLVM )
209 endif( CMAKE_CROSSCOMPILING )
211 add_subdirectory(include/llvm)
213 add_subdirectory(lib)
215 add_subdirectory(utils/FileCheck)
216 add_subdirectory(utils/FileUpdate)
217 add_subdirectory(utils/count)
218 add_subdirectory(utils/not)
219 add_subdirectory(utils/llvm-lit)
221 add_subdirectory(projects)
223 option(LLVM_BUILD_TOOLS
224   "Build the LLVM tools. If OFF, just generate build targets." ON)
225 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
226 if( LLVM_INCLUDE_TOOLS )
227   add_subdirectory(tools)
228 endif()
230 option(LLVM_BUILD_RUNTIME
231   "Build the LLVM runtime libraries. If OFF, just generate build targets." ON)
232 option(LLVM_INCLUDE_RUNTIME "Generate build targets for the LLVM runtimes" ON)
233 if( LLVM_INCLUDE_RUNTIME )
234   add_subdirectory(runtime)
235 endif()
237 option(LLVM_BUILD_EXAMPLES
238   "Build the LLVM example programs. If OFF, just generate build targets." OFF)
239 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
240 if( LLVM_INCLUDE_EXAMPLES )
241   add_subdirectory(examples)
242 endif()
244 option(LLVM_BUILD_TESTS
245   "Build LLVM unit tests. If OFF, just generate build targets." OFF)
246 if( LLVM_INCLUDE_TESTS )
247   add_subdirectory(test)
248   add_subdirectory(utils/unittest)
249   add_subdirectory(unittests)
250   if (MSVC)
251     # This utility is used to prevent chrashing tests from calling Dr. Watson on
252     # Windows.
253     add_subdirectory(utils/KillTheDoctor)
254   endif()
255 endif()
257 add_subdirectory(cmake/modules)
259 install(DIRECTORY include/
260   DESTINATION include
261   FILES_MATCHING
262   PATTERN "*.def"
263   PATTERN "*.h"
264   PATTERN "*.td"
265   PATTERN "*.inc"
266   PATTERN "LICENSE.TXT"
267   PATTERN ".svn" EXCLUDE
268   )
270 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
271   DESTINATION include
272   FILES_MATCHING
273   PATTERN "*.def"
274   PATTERN "*.h"
275   PATTERN "*.gen"
276   PATTERN "*.inc"
277   # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
278   PATTERN "CMakeFiles" EXCLUDE
279   PATTERN ".svn" EXCLUDE
280   )
282 # TODO: make and install documentation.
284 set(CPACK_PACKAGE_VENDOR "LLVM")
285 set(CPACK_PACKAGE_VERSION_MAJOR 2)
286 set(CPACK_PACKAGE_VERSION_MINOR 9)
287 add_version_info_from_vcs(CPACK_PACKAGE_VERSION_PATCH)
288 include(CPack)
290 # Workaround for MSVS10 to avoid the Dialog Hell
291 # FIXME: This could be removed with future version of CMake.
292 if(MSVC_VERSION EQUAL 1600)
293   set(LLVM_SLN_FILENAME "${CMAKE_CURRENT_BINARY_DIR}/LLVM.sln")
294   if( EXISTS "${LLVM_SLN_FILENAME}" )
295     file(APPEND "${LLVM_SLN_FILENAME}" "\n# This should be regenerated!\n")
296   endif()
297 endif()