44from conan import ConanFile
55from conan .errors import ConanInvalidConfiguration
66from conan .tools .apple import is_apple_os
7+ from conan .tools .build import check_min_cppstd
78from conan .tools .cmake import CMake , CMakeToolchain , cmake_layout
8- from conan .tools .files import apply_conandata_patches , collect_libs , copy , export_conandata_patches , get , replace_in_file , save
9+ from conan .tools .env import VirtualBuildEnv
10+ from conan .tools .files import apply_conandata_patches , copy , export_conandata_patches , get , replace_in_file , save , move_folder_contents , rmdir
911from conan .tools .scm import Version
1012
1113required_conan_version = ">=1.53.0"
@@ -21,26 +23,27 @@ class LLVMOpenMpConan(ConanFile):
2123 "implementation." )
2224 license = "Apache-2.0 WITH LLVM-exception"
2325 url = "https://github.com/conan-io/conan-center-index"
24- homepage = "https://github.com/llvm/llvm-project/tree/master /openmp"
26+ homepage = "https://github.com/llvm/llvm-project/blob/main /openmp"
2527 topics = ("llvm" , "openmp" , "parallelism" )
2628
2729 package_type = "library"
2830 settings = "os" , "arch" , "compiler" , "build_type"
2931 options = {
3032 "shared" : [True , False ],
3133 "fPIC" : [True , False ],
34+ "build_libomptarget" : [True , False ],
3235 }
3336 default_options = {
3437 "shared" : False ,
3538 "fPIC" : True ,
39+ "build_libomptarget" : False ,
40+ }
41+ options_description = {
42+ "build_libomptarget" : (
43+ "Build the LLVM OpenMP Offloading Runtime Library (libomptarget) "
44+ "in addition to the OpenMP Runtime Library (libomp)."
45+ )
3646 }
37-
38- def export_sources (self ):
39- export_conandata_patches (self )
40-
41- def config_options (self ):
42- if self .settings .os == "Windows" :
43- del self .options .fPIC
4447
4548 def _supports_compiler (self ):
4649 supported_compilers_by_os = {
@@ -51,40 +54,93 @@ def _supports_compiler(self):
5154 the_compiler , the_os = self .settings .compiler .value , self .settings .os .value
5255 return the_compiler in supported_compilers_by_os .get (the_os , [])
5356
57+ @property
58+ def _compilers_minimum_version (self ):
59+ return {
60+ "gcc" : "7" ,
61+ "clang" : "6" ,
62+ "apple-clang" : "10" ,
63+ }
64+
65+ @property
66+ def _version_major (self ):
67+ return Version (self .version ).major
68+
69+ def export_sources (self ):
70+ export_conandata_patches (self )
71+
72+ def config_options (self ):
73+ if self .settings .os == "Windows" :
74+ del self .options .fPIC
75+
5476 def configure (self ):
5577 if self .options .shared :
5678 self .options .rm_safe ("fPIC" )
57- if not self ._supports_compiler ():
58- raise ConanInvalidConfiguration ("llvm-openmp doesn't support compiler: {} on OS: {}." .
59- format (self .settings .compiler , self .settings .os ))
6079
80+ def requirements (self ):
81+ if self .options .build_libomptarget and self ._version_major >= 13 :
82+ self .requires (f"llvm-core/{ self .version } )
6183
6284 def layout (self ):
6385 cmake_layout (self , src_folder = "src" )
6486
6587 def validate (self ):
66- if (
67- Version (self .version ) <= "10.0.0"
68- and is_apple_os (self )
69- and self .settings .arch == "armv8"
70- ):
71- raise ConanInvalidConfiguration ("ARM v8 not supported" )
88+ if not self ._supports_compiler ():
89+ raise ConanInvalidConfiguration ("llvm-openmp doesn't support compiler: "
90+ f"{ self .settings .compiler } { self .settings .os } )
91+ if self ._version_major >= 17 :
92+ if self .settings .compiler .cppstd :
93+ check_min_cppstd (self , 17 )
94+ minimum_version = self ._compilers_minimum_version .get (str (self .settings .compiler ), False )
95+ if minimum_version and Version (self .settings .compiler .version ) < minimum_version :
96+ raise ConanInvalidConfiguration (f"{ self .ref } )
97+ if is_apple_os (self ) and self .settings .arch == "armv8" :
98+ if self ._version_major <= 10 :
99+ raise ConanInvalidConfiguration ("ARM v8 not supported" )
100+ if self ._version_major != 11 and self .settings .build_type == "Debug" :
101+ # All versions except for v11 crash with a segfault for the simple test_package.cpp test
102+ raise ConanInvalidConfiguration ("Debug mode not supported for ARM v8" )
103+
104+ def build_requirements (self ):
105+ if self ._version_major >= 17 :
106+ self .tool_requires ("cmake/[>=3.20 <4]" )
72107
73108 def source (self ):
74- get (self , ** self .conan_data ["sources" ][self .version ], strip_root = True )
109+ if self ._version_major >= 15 :
110+ get (self , ** self .conan_data ["sources" ][self .version ]["openmp" ], strip_root = True )
111+ get (self , ** self .conan_data ["sources" ][self .version ]["cmake" ], strip_root = True , destination = self .export_sources_folder )
112+ copy (self , "*.cmake" ,
113+ src = os .path .join (self .export_sources_folder , "Modules" ),
114+ dst = os .path .join (self .source_folder , "cmake" ))
115+ elif self ._version_major == 14 :
116+ # v14 source archives also includes a cmake/ directory in the archive root
117+ get (self , ** self .conan_data ["sources" ][self .version ], destination = self .export_sources_folder )
118+ move_folder_contents (self , os .path .join (self .export_sources_folder , f"openmp-{ self .version } ), self .source_folder )
119+ copy (self , "*.cmake" ,
120+ src = os .path .join (self .export_sources_folder , "cmake" , "Modules" ),
121+ dst = os .path .join (self .source_folder , "cmake" ))
122+ else :
123+ get (self , ** self .conan_data ["sources" ][self .version ], strip_root = True )
75124
76125 def generate (self ):
126+ env = VirtualBuildEnv (self )
127+ env .generate ()
77128 tc = CMakeToolchain (self )
78129 tc .variables ["OPENMP_STANDALONE_BUILD" ] = True
79130 tc .variables ["LIBOMP_ENABLE_SHARED" ] = self .options .shared
80- if self .settings .os in ["Linux" , "FreeBSD" ]:
81- tc .variables ["OPENMP_ENABLE_LIBOMPTARGET" ] = self .options .shared
131+ tc .variables ["OPENMP_ENABLE_LIBOMPTARGET" ] = self .options .build_libomptarget
132+ # Do not buidl OpenMP Tools Interface (OMPT)
133+ tc .variables ["LIBOMP_OMPT_SUPPORT" ] = False
82134 tc .generate ()
83135
84136 def _patch_sources (self ):
85137 apply_conandata_patches (self )
86- replace_in_file (self ,os .path .join (self .source_folder , "runtime" , "CMakeLists.txt" ),
138+ replace_in_file (self , os .path .join (self .source_folder , "runtime" , "CMakeLists.txt" ),
87139 "add_subdirectory(test)" , "" )
140+ if self ._version_major == 12 :
141+ # v12 can be built without LLVM includes
142+ replace_in_file (self , os .path .join (self .source_folder , "libomptarget" , "CMakeLists.txt" ),
143+ "if (NOT LIBOMPTARGET_LLVM_INCLUDE_DIRS)" , "if (FALSE)" )
88144
89145 def build (self ):
90146 self ._patch_sources ()
@@ -98,6 +154,7 @@ def package(self):
98154 dst = os .path .join (self .package_folder , "licenses" ))
99155 cmake = CMake (self )
100156 cmake .install ()
157+ rmdir (self , os .path .join (self .package_folder , "lib" , "cmake" ))
101158
102159 # TODO: to remove in conan v2 once cmake_find_package* generators removed
103160 self ._create_cmake_module_alias_targets (
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