blob: 3bf5d601b0d569e5a95e05c6ed7d8c21d91ccd1b [file] [log] [blame]
Eric Fiselier156a46d2015-07-30 22:30:34 +00001macro(find_llvm_parts)
2# Rely on llvm-config.
3 set(CONFIG_OUTPUT)
4 find_program(LLVM_CONFIG "llvm-config")
5 if(DEFINED LLVM_PATH)
6 set(LLVM_INCLUDE_DIR ${LLVM_INCLUDE_DIR} CACHE PATH "Path to llvm/include")
7 set(LLVM_PATH ${LLVM_PATH} CACHE PATH "Path to LLVM source tree")
8 set(LLVM_MAIN_SRC_DIR ${LLVM_PATH})
9 set(LLVM_CMAKE_PATH "${LLVM_PATH}/cmake/modules")
10 elseif(LLVM_CONFIG)
11 message(STATUS "Found LLVM_CONFIG as ${LLVM_CONFIG}")
12 set(CONFIG_COMMAND ${LLVM_CONFIG}
13 "--includedir"
14 "--prefix"
15 "--src-root")
16 execute_process(
17 COMMAND ${CONFIG_COMMAND}
18 RESULT_VARIABLE HAD_ERROR
19 OUTPUT_VARIABLE CONFIG_OUTPUT
20 )
21 if(NOT HAD_ERROR)
22 string(REGEX REPLACE
23 "[ \t]*[\r\n]+[ \t]*" ";"
24 CONFIG_OUTPUT ${CONFIG_OUTPUT})
25 else()
26 string(REPLACE ";" " " CONFIG_COMMAND_STR "${CONFIG_COMMAND}")
27 message(STATUS "${CONFIG_COMMAND_STR}")
28 message(FATAL_ERROR "llvm-config failed with status ${HAD_ERROR}")
29 endif()
30
31 list(GET CONFIG_OUTPUT 0 INCLUDE_DIR)
32 list(GET CONFIG_OUTPUT 1 LLVM_OBJ_ROOT)
33 list(GET CONFIG_OUTPUT 2 MAIN_SRC_DIR)
34
35 set(LLVM_INCLUDE_DIR ${INCLUDE_DIR} CACHE PATH "Path to llvm/include")
36 set(LLVM_BINARY_DIR ${LLVM_OBJ_ROOT} CACHE PATH "Path to LLVM build tree")
37 set(LLVM_MAIN_SRC_DIR ${MAIN_SRC_DIR} CACHE PATH "Path to LLVM source tree")
38 set(LLVM_CMAKE_PATH "${LLVM_BINARY_DIR}/share/llvm/cmake")
39 else()
40 set(LLVM_FOUND OFF)
41 return()
42 endif()
43
44 if (NOT EXISTS ${LLVM_MAIN_SRC_DIR})
Eric Fiselierd419fe22015-08-12 06:36:19 +000045 set(LLVM_FOUND OFF)
46 message(WARNING "Not found: ${LLVM_MAIN_SRC_DIR}")
47 return()
Eric Fiselier156a46d2015-07-30 22:30:34 +000048 endif()
49
50 if(NOT EXISTS ${LLVM_CMAKE_PATH})
Eric Fiselierd419fe22015-08-12 06:36:19 +000051 set(LLVM_FOUND OFF)
52 message(WARNING "Not found: ${LLVM_CMAKE_PATH}")
53 return()
Eric Fiselier156a46d2015-07-30 22:30:34 +000054 endif()
55
56 list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_PATH}")
57 list(APPEND CMAKE_MODULE_PATH "${LLVM_MAIN_SRC_DIR}/cmake/modules")
58
59 set(LLVM_FOUND ON)
60endmacro(find_llvm_parts)
61
62
63if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
64 set(LIBCXX_BUILT_STANDALONE 1)
Eric Fiselier73d1d8d2015-07-31 06:08:32 +000065 message(STATUS "Configuring for standalone build.")
Eric Fiselier156a46d2015-07-30 22:30:34 +000066
67 find_llvm_parts()
68
69 # LLVM Options --------------------------------------------------------------
70 include(FindPythonInterp)
71 if( NOT PYTHONINTERP_FOUND )
72 message(WARNING "Failed to find python interpreter. "
73 "The libc++ test suite will be disabled.")
74 set(LLVM_INCLUDE_TESTS OFF)
75 endif()
76
77 if (NOT DEFINED LLVM_INCLUDE_TESTS)
78 set(LLVM_INCLUDE_TESTS ${LLVM_FOUND})
79 endif()
Eric Fiselierd720d1f2015-08-22 19:40:49 +000080 if (NOT DEFINED LLVM_ENABLE_SPHINX)
81 set(LLVM_ENABLE_SPHINX OFF)
82 endif()
Eric Fiselier156a46d2015-07-30 22:30:34 +000083
84 # Required LIT Configuration ------------------------------------------------
85 # Define the default arguments to use with 'lit', and an option for the user
86 # to override.
87 set(LIT_ARGS_DEFAULT "-sv --show-xfail --show-unsupported")
88 if (MSVC OR XCODE)
89 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
90 endif()
91 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
92
93 # Make sure we can use the console pool for recent cmake and ninja > 1.5
94 # Needed for add_lit_testsuite
95 if(CMAKE_VERSION VERSION_LESS 3.1.20141117)
96 set(cmake_3_2_USES_TERMINAL)
97 else()
98 set(cmake_3_2_USES_TERMINAL USES_TERMINAL)
99 endif()
100
Eric Fiselierd720d1f2015-08-22 19:40:49 +0000101 # Required doc configuration
102 if (LLVM_ENABLE_SPHINX)
103 message(STATUS "Sphinx enabled.")
104 find_package(Sphinx REQUIRED)
105 else()
106 message(STATUS "Sphinx disabled.")
107 endif()
108
Eric Fiselier156a46d2015-07-30 22:30:34 +0000109 # Add LLVM Functions --------------------------------------------------------
110 include(AddLLVM OPTIONAL)
111endif()