blob: 3ad60eaff516c37e28f4263cb5d5aac9c75b40be [file] [log] [blame]
Oscar Fuentes67410b32011-02-03 20:57:53 +00001# If we are not building as a part of LLVM, build Clang as an
2# standalone project, using LLVM as an external library:
3if( CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR )
4 project(Clang)
5 cmake_minimum_required(VERSION 2.8)
6
7 set(CLANG_PATH_TO_LLVM_SOURCE "" CACHE PATH
8 "Path to LLVM source code. Not necessary if using an installed LLVM.")
9 set(CLANG_PATH_TO_LLVM_BUILD "" CACHE PATH
10 "Path to the directory where LLVM was built or installed.")
11
12 if( CLANG_PATH_TO_LLVM_SOURCE )
13 if( NOT EXISTS "${CLANG_PATH_TO_LLVM_SOURCE}/cmake/config-ix.cmake" )
14 message(FATAL_ERROR "Please set CLANG_PATH_TO_LLVM_SOURCE to the root directory of LLVM source code.")
15 else()
16 get_filename_component(LLVM_MAIN_SRC_DIR ${CLANG_PATH_TO_LLVM_SOURCE}
17 ABSOLUTE)
18 list(APPEND CMAKE_MODULE_PATH "${LLVM_MAIN_SRC_DIR}/cmake/modules")
19 endif()
20 endif()
21
22 if( NOT EXISTS "${CLANG_PATH_TO_LLVM_BUILD}/bin/tblgen${CMAKE_EXECUTABLE_SUFFIX}" )
Douglas Gregor17031a22011-07-14 23:42:32 +000023 # Looking for bin/Debug/tblgen is a complete hack. How can we get
24 # around this?
25 if( NOT EXISTS "${CLANG_PATH_TO_LLVM_BUILD}/bin/Debug/tblgen${CMAKE_EXECUTABLE_SUFFIX}" )
26 message(FATAL_ERROR "Please set CLANG_PATH_TO_LLVM_BUILD to a directory containing a LLVM build.")
27 endif()
Oscar Fuentes67410b32011-02-03 20:57:53 +000028 endif()
29
30 list(APPEND CMAKE_MODULE_PATH "${CLANG_PATH_TO_LLVM_BUILD}/share/llvm/cmake")
31
32 get_filename_component(PATH_TO_LLVM_BUILD ${CLANG_PATH_TO_LLVM_BUILD}
33 ABSOLUTE)
34
35 include(AddLLVM)
36 include(TableGen)
Oscar Fuentes5ec8a4d2011-04-10 16:17:31 +000037 include("${CLANG_PATH_TO_LLVM_BUILD}/share/llvm/cmake/LLVMConfig.cmake")
Oscar Fuentes67410b32011-02-03 20:57:53 +000038 include(HandleLLVMOptions)
39
40 set(PACKAGE_VERSION "${LLVM_PACKAGE_VERSION}")
41
42 set(LLVM_MAIN_INCLUDE_DIR "${LLVM_MAIN_SRC_DIR}/include")
43 set(LLVM_BINARY_DIR ${CMAKE_BINARY_DIR})
44
Oscar Fuentesb641f082011-02-14 20:14:11 +000045 set(CMAKE_INCLUDE_CURRENT_DIR ON)
Oscar Fuentes67410b32011-02-03 20:57:53 +000046 include_directories("${PATH_TO_LLVM_BUILD}/include" "${LLVM_MAIN_INCLUDE_DIR}")
Oscar Fuentes67410b32011-02-03 20:57:53 +000047 link_directories("${PATH_TO_LLVM_BUILD}/lib")
48
Douglas Gregor17031a22011-07-14 23:42:32 +000049 if( EXISTS "${CLANG_PATH_TO_LLVM_BUILD}/bin/tblgen${CMAKE_EXECUTABLE_SUFFIX}" )
50 set(LLVM_TABLEGEN_EXE "${PATH_TO_LLVM_BUILD}/bin/tblgen")
51 else()
52 # FIXME: This is an utter hack.
53 set(LLVM_TABLEGEN_EXE "${PATH_TO_LLVM_BUILD}/bin/Debug/tblgen")
54 endif()
Oscar Fuentes67410b32011-02-03 20:57:53 +000055
56 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin )
57 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib )
58 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib )
59
Jeffrey Yasskin718b01d2011-02-15 07:54:28 +000060 set( CLANG_BUILT_STANDALONE 1 )
Oscar Fuentes67410b32011-02-03 20:57:53 +000061endif()
Douglas Gregor34d9ffa2009-09-16 21:59:05 +000062
Oscar Fuentes2100fe92011-02-03 22:48:20 +000063set(CLANG_RESOURCE_DIR "" CACHE STRING
64 "Relative directory from the Clang binary to its resource files.")
65
66set(C_INCLUDE_DIRS "" CACHE STRING
67 "Colon separated list of directories clang will search for headers.")
68
Oscar Fuentesf752d5b2011-05-20 15:57:59 +000069set(CLANG_VENDOR "" CACHE STRING
70 "Vendor-specific text for showing with version information.")
71
72if( CLANG_VENDOR )
73 add_definitions( -DCLANG_VENDOR="${CLANG_VENDOR} " )
74endif()
75
Daniel Dunbar91ee77a2009-09-17 00:07:10 +000076set(CLANG_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
77set(CLANG_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
78
Chandler Carruth63e9c0d2010-04-17 20:12:02 +000079if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
80 message(FATAL_ERROR "In-source builds are not allowed. CMake would overwrite "
81"the makefiles distributed with LLVM. Please create a directory and run cmake "
82"from there, passing the path to this source directory as the last argument. "
83"This process created the file `CMakeCache.txt' and the directory "
84"`CMakeFiles'. Please delete them.")
85endif()
86
87if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
88 file(GLOB_RECURSE
89 tablegenned_files_on_include_dir
90 "${CLANG_SOURCE_DIR}/include/clang/*.inc")
91 if( tablegenned_files_on_include_dir )
92 message(FATAL_ERROR "Apparently there is a previous in-source build, "
93"probably as the result of running `configure' and `make' on "
94"${CLANG_SOURCE_DIR}. This may cause problems. The suspicious files are:\n"
95"${tablegenned_files_on_include_dir}\nPlease clean the source directory.")
96 endif()
97endif()
98
Daniel Dunbarc4b8e922010-06-25 23:34:47 +000099# Compute the Clang version from the LLVM version.
Michael J. Spencer5a7f3492010-09-10 21:13:16 +0000100string(REGEX MATCH "[0-9]+\\.[0-9]+(\\.[0-9]+)?" CLANG_VERSION
Daniel Dunbarc4b8e922010-06-25 23:34:47 +0000101 ${PACKAGE_VERSION})
Douglas Gregor34d9ffa2009-09-16 21:59:05 +0000102message(STATUS "Clang version: ${CLANG_VERSION}")
Douglas Gregor7f7b7482009-08-23 05:28:29 +0000103
Daniel Dunbara5107672010-06-25 17:33:46 +0000104string(REGEX REPLACE "([0-9]+)\\.[0-9]+(\\.[0-9]+)?" "\\1" CLANG_VERSION_MAJOR
105 ${CLANG_VERSION})
106string(REGEX REPLACE "[0-9]+\\.([0-9]+)(\\.[0-9]+)?" "\\1" CLANG_VERSION_MINOR
107 ${CLANG_VERSION})
108if (${CLANG_VERSION} MATCHES "[0-9]+\\.[0-9]+\\.[0-9]+")
109 set(CLANG_HAS_VERSION_PATCHLEVEL 1)
110 string(REGEX REPLACE "[0-9]+\\.[0-9]+\\.([0-9]+)" "\\1" CLANG_VERSION_PATCHLEVEL
111 ${CLANG_VERSION})
112else()
113 set(CLANG_HAS_VERSION_PATCHLEVEL 0)
114endif()
115
116# Configure the Version.inc file.
117configure_file(
118 ${CMAKE_CURRENT_SOURCE_DIR}/include/clang/Basic/Version.inc.in
119 ${CMAKE_CURRENT_BINARY_DIR}/include/clang/Basic/Version.inc)
120
Douglas Gregor9df3faf2009-09-18 14:47:57 +0000121# Add appropriate flags for GCC
Oscar Fuentesc5cd2522011-05-11 13:53:30 +0000122if (LLVM_COMPILER_IS_GCC_COMPATIBLE)
Oscar Fuentes827c5732010-10-15 00:16:22 +0000123 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-common -Woverloaded-virtual -Wcast-qual -fno-strict-aliasing -pedantic -Wno-long-long -Wall -W -Wno-unused-parameter -Wwrite-strings")
Douglas Gregor9df3faf2009-09-18 14:47:57 +0000124endif ()
125
Douglas Gregoreb5dc492010-06-08 19:23:49 +0000126if (APPLE)
127 set(CMAKE_MODULE_LINKER_FLAGS "-Wl,-flat_namespace -Wl,-undefined -Wl,suppress")
128endif ()
129
Oscar Fuentes2100fe92011-02-03 22:48:20 +0000130configure_file(
131 ${CLANG_SOURCE_DIR}/include/clang/Config/config.h.cmake
132 ${CLANG_BINARY_DIR}/include/clang/Config/config.h)
133
Oscar Fuentesc8da1ec2011-02-20 22:06:32 +0000134include(LLVMParseArguments)
135
136function(clang_tablegen)
137 # Syntax:
138 # clang_tablegen output-file [tablegen-arg ...] SOURCE source-file
139 # [[TARGET cmake-target-name] [DEPENDS extra-dependency ...]]
140 #
141 # Generates a custom command for invoking tblgen as
142 #
143 # tblgen source-file -o=output-file tablegen-arg ...
144 #
145 # and, if cmake-target-name is provided, creates a custom target for
146 # executing the custom command depending on output-file. It is
147 # possible to list more files to depend after DEPENDS.
148
149 parse_arguments( CTG "SOURCE;TARGET;DEPENDS" "" ${ARGN} )
150
151 if( NOT CTG_SOURCE )
152 message(FATAL_ERROR "SOURCE source-file required by clang_tablegen")
153 endif()
154
155 set( LLVM_TARGET_DEFINITIONS ${CTG_SOURCE} )
156 tablegen( ${CTG_DEFAULT_ARGS} )
157
158 list( GET CTG_DEFAULT_ARGS 0 output_file )
159 if( CTG_TARGET )
160 add_custom_target( ${CTG_TARGET} DEPENDS ${output_file} ${CTG_DEPENDS} )
Oscar Fuentesa3f787c2011-02-20 22:06:44 +0000161 set_target_properties( ${CTG_TARGET} PROPERTIES FOLDER "Clang tablegenning")
Oscar Fuentesc8da1ec2011-02-20 22:06:32 +0000162 endif()
163endfunction(clang_tablegen)
164
Oscar Fuentesd2f4e5e2008-10-26 00:56:18 +0000165macro(add_clang_library name)
Oscar Fuentes99174012011-01-03 17:00:02 +0000166 llvm_process_sources(srcs ${ARGN})
Ted Kremenekbf5de3f2009-03-25 20:34:07 +0000167 if(MSVC_IDE OR XCODE)
Cedric Venetfe2f8082008-11-02 16:28:53 +0000168 string( REGEX MATCHALL "/[^/]+" split_path ${CMAKE_CURRENT_SOURCE_DIR})
169 list( GET split_path -1 dir)
Michael J. Spencer5a7f3492010-09-10 21:13:16 +0000170 file( GLOB_RECURSE headers
Ted Kremenekb26bd742011-02-10 01:03:09 +0000171 ../../../include/clang/StaticAnalyzer${dir}/*.h
172 ../../../include/clang/StaticAnalyzer${dir}/*.td
173 ../../../include/clang/StaticAnalyzer${dir}/*.def
Douglas Gregorf5216f22009-06-17 18:31:02 +0000174 ../../include/clang${dir}/*.h
175 ../../include/clang${dir}/*.td
176 ../../include/clang${dir}/*.def)
Cedric Venetfe2f8082008-11-02 16:28:53 +0000177 set(srcs ${srcs} ${headers})
Ted Kremenekbf5de3f2009-03-25 20:34:07 +0000178 endif(MSVC_IDE OR XCODE)
Douglas Gregoreb5dc492010-06-08 19:23:49 +0000179 if (MODULE)
180 set(libkind MODULE)
181 elseif (SHARED_LIBRARY)
Douglas Gregorac47bc72009-09-25 06:35:15 +0000182 set(libkind SHARED)
183 else()
184 set(libkind)
185 endif()
186 add_library( ${name} ${libkind} ${srcs} )
Oscar Fuentesd2f4e5e2008-10-26 00:56:18 +0000187 if( LLVM_COMMON_DEPENDS )
188 add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} )
189 endif( LLVM_COMMON_DEPENDS )
Oscar Fuentesfb767c82011-03-29 20:51:00 +0000190
191 target_link_libraries( ${name} ${LLVM_USED_LIBS} )
192 llvm_config( ${name} ${LLVM_LINK_COMPONENTS} )
193 target_link_libraries( ${name} ${LLVM_COMMON_LIBS} )
194 link_system_libs( ${name} )
195
Douglas Gregora393e9e2009-03-16 23:06:59 +0000196 add_dependencies(${name} ClangDiagnosticCommon)
Cedric Venet1c212a02008-12-13 11:00:04 +0000197 if(MSVC)
198 get_target_property(cflag ${name} COMPILE_FLAGS)
199 if(NOT cflag)
200 set(cflag "")
201 endif(NOT cflag)
202 set(cflag "${cflag} /Za")
203 set_target_properties(${name} PROPERTIES COMPILE_FLAGS ${cflag})
204 endif(MSVC)
Oscar Fuentesd2f4e5e2008-10-26 00:56:18 +0000205 install(TARGETS ${name}
Oscar Fuentesbfb06ea2009-10-27 19:42:21 +0000206 LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
Oscar Fuentes755f3df2009-06-12 02:54:12 +0000207 ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX})
Oscar Fuentesa3f787c2011-02-20 22:06:44 +0000208 set_target_properties(${name} PROPERTIES FOLDER "Clang libraries")
Oscar Fuentesd2f4e5e2008-10-26 00:56:18 +0000209endmacro(add_clang_library)
210
211macro(add_clang_executable name)
Oscar Fuentes99174012011-01-03 17:00:02 +0000212 add_llvm_executable( ${name} ${ARGN} )
Oscar Fuentesa3f787c2011-02-20 22:06:44 +0000213 set_target_properties(${name} PROPERTIES FOLDER "Clang executables")
Oscar Fuentesd2f4e5e2008-10-26 00:56:18 +0000214endmacro(add_clang_executable)
215
Oscar Fuentes617508f2011-03-17 19:03:04 +0000216include_directories(BEFORE
Douglas Gregora393e9e2009-03-16 23:06:59 +0000217 ${CMAKE_CURRENT_BINARY_DIR}/include
Oscar Fuentes617508f2011-03-17 19:03:04 +0000218 ${CMAKE_CURRENT_SOURCE_DIR}/include
Oscar Fuentesd2f4e5e2008-10-26 00:56:18 +0000219 )
220
Oscar Fuentes82cac292009-10-27 19:59:34 +0000221install(DIRECTORY include/
222 DESTINATION include
223 FILES_MATCHING
224 PATTERN "*.def"
225 PATTERN "*.h"
Chris Lattnerbc6ec752008-11-11 18:39:10 +0000226 PATTERN ".svn" EXCLUDE
227 )
228
Kovarththanan Rajaratnamec700a62010-04-01 14:24:41 +0000229install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
230 DESTINATION include
231 FILES_MATCHING
Chris Lattnerd7d5bb12010-04-25 04:59:35 +0000232 PATTERN "CMakeFiles" EXCLUDE
Kovarththanan Rajaratnamec700a62010-04-01 14:24:41 +0000233 PATTERN "*.inc"
234 )
235
Oscar Fuentes2100fe92011-02-03 22:48:20 +0000236add_definitions( -D_GNU_SOURCE -DHAVE_CLANG_CONFIG_H )
Oscar Fuentesd2f4e5e2008-10-26 00:56:18 +0000237
Douglas Gregor8435bf92011-02-25 19:24:02 +0000238# Clang version information
239set(CLANG_EXECUTABLE_VERSION
240 "${CLANG_VERSION_MAJOR}.${CLANG_VERSION_MINOR}" CACHE STRING
241 "Version number that will be placed into the clang executable, in the form XX.YY")
242set(LIBCLANG_LIBRARY_VERSION
243 "${CLANG_VERSION_MAJOR}.${CLANG_VERSION_MINOR}" CACHE STRING
244 "Version number that will be placed into the libclang library , in the form XX.YY")
245mark_as_advanced(CLANG_EXECUTABLE_VERSION LIBCLANG_LIBRARY_VERSION)
246
247
Daniel Dunbar45088e22009-11-17 09:32:51 +0000248option(CLANG_BUILD_EXAMPLES "Build CLANG example programs." OFF)
249if(CLANG_BUILD_EXAMPLES)
250 add_subdirectory(examples)
251endif ()
252
Douglas Gregora393e9e2009-03-16 23:06:59 +0000253add_subdirectory(include)
Oscar Fuentesd2f4e5e2008-10-26 00:56:18 +0000254add_subdirectory(lib)
Daniel Dunbarcbcd98b2009-03-24 02:52:57 +0000255add_subdirectory(tools)
Michael J. Spencer48263ba2010-12-16 03:28:42 +0000256add_subdirectory(runtime)
Oscar Fuentesd2f4e5e2008-10-26 00:56:18 +0000257
258# TODO: docs.
Douglas Gregor670d6ed2011-02-25 00:32:30 +0000259add_subdirectory(test)
Jeffrey Yasskin718b01d2011-02-15 07:54:28 +0000260
Douglas Gregor670d6ed2011-02-25 00:32:30 +0000261if( LLVM_INCLUDE_TESTS )
Douglas Gregorfd681572011-02-25 00:12:04 +0000262 if( NOT CLANG_BUILT_STANDALONE )
263 add_subdirectory(unittests)
264 endif()
Jeffrey Yasskin718b01d2011-02-15 07:54:28 +0000265endif()
NAKAMURA Takumi792f9752011-02-16 03:07:15 +0000266
267# Workaround for MSVS10 to avoid the Dialog Hell
268# FIXME: This could be removed with future version of CMake.
269if( CLANG_BUILT_STANDALONE AND MSVC_VERSION EQUAL 1600 )
270 set(CLANG_SLN_FILENAME "${CMAKE_CURRENT_BINARY_DIR}/Clang.sln")
271 if( EXISTS "${CLANG_SLN_FILENAME}" )
272 file(APPEND "${CLANG_SLN_FILENAME}" "\n# This should be regenerated!\n")
273 endif()
274endif()