-include(FindPerl)
-include(LLVMLibDeps)
-
function(get_system_libs return_var)
# Returns in `return_var' a list of system libraries used by LLVM.
if( NOT MSVC )
set(system_libs ${system_libs} imagehlp psapi)
elseif( CMAKE_HOST_UNIX )
if( HAVE_LIBDL )
- set(system_libs ${system_libs} dl)
+ set(system_libs ${system_libs} ${CMAKE_DL_LIBS})
endif()
if( LLVM_ENABLE_THREADS AND HAVE_LIBPTHREAD )
set(system_libs ${system_libs} pthread)
endfunction(get_system_libs)
+function(is_llvm_target_library library return_var)
+ # Sets variable `return_var' to ON if `library' corresponds to a
+ # LLVM supported target. To OFF if it doesn't.
+ set(${return_var} OFF PARENT_SCOPE)
+ string(TOUPPER "${library}" capitalized_lib)
+ string(TOUPPER "${LLVM_ALL_TARGETS}" targets)
+ foreach(t ${targets})
+ if( capitalized_lib STREQUAL "LLVM${t}" OR
+ capitalized_lib STREQUAL "LLVM${t}CODEGEN" OR
+ capitalized_lib STREQUAL "LLVM${t}ASMPARSER" OR
+ capitalized_lib STREQUAL "LLVM${t}ASMPRINTER" OR
+ capitalized_lib STREQUAL "LLVM${t}DISASSEMBLER" OR
+ capitalized_lib STREQUAL "LLVM${t}INFO" )
+ set(${return_var} ON PARENT_SCOPE)
+ break()
+ endif()
+ endforeach()
+endfunction(is_llvm_target_library)
+
+
macro(llvm_config executable)
explicit_llvm_config(${executable} ${ARGN})
endmacro(llvm_config)
endfunction(explicit_llvm_config)
+# This is a variant intended for the final user:
+function(llvm_map_components_to_libraries OUT_VAR)
+ explicit_map_components_to_libraries(result ${ARGN})
+ get_system_libs(sys_result)
+ set( ${OUT_VAR} ${result} ${sys_result} PARENT_SCOPE )
+endfunction(llvm_map_components_to_libraries)
+
+
function(explicit_map_components_to_libraries out_libs)
set( link_components ${ARGN} )
foreach(c ${link_components})
- # add codegen, asmprinter, asmparser
+ # add codegen, asmprinter, asmparser, disassembler
list(FIND LLVM_TARGETS_TO_BUILD ${c} idx)
if( NOT idx LESS 0 )
list(FIND llvm_libs "LLVM${c}CodeGen" idx)
if( NOT asmidx LESS 0 )
list(APPEND expanded_components "LLVM${c}Info")
endif()
+ list(FIND llvm_libs "LLVM${c}Disassembler" asmidx)
+ if( NOT asmidx LESS 0 )
+ list(APPEND expanded_components "LLVM${c}Disassembler")
+ endif()
elseif( c STREQUAL "native" )
- # TODO: we assume ARCH is X86. In this case, we must use nativecodegen
- # component instead. Do nothing, as in llvm-config script.
+ list(APPEND expanded_components "LLVM${LLVM_NATIVE_ARCH}CodeGen")
elseif( c STREQUAL "nativecodegen" )
- # TODO: we assume ARCH is X86.
- list(APPEND expanded_components "LLVMX86CodeGen")
+ list(APPEND expanded_components "LLVM${LLVM_NATIVE_ARCH}CodeGen")
elseif( c STREQUAL "backend" )
# same case as in `native'.
elseif( c STREQUAL "engine" )
list(GET expanded_components 0 c)
string(TOUPPER "${c}" capitalized)
list(FIND capitalized_libs ${capitalized} idx)
+ set(add_it ON)
if( idx LESS 0 )
- message(FATAL_ERROR "Library ${c} not found in list of llvm libraries.")
+ # The library is unkown. Maybe is an ommitted target?
+ is_llvm_target_library(${c} iltl_result)
+ if( NOT iltl_result )
+ message(FATAL_ERROR "Library ${c} not found in list of llvm libraries.")
+ endif()
+ set(add_it OFF)
endif( idx LESS 0 )
list(GET llvm_libs ${idx} canonical_lib)
list(REMOVE_ITEM result ${canonical_lib})
- list(APPEND result ${canonical_lib})
foreach(c ${MSVC_LIB_DEPS_${canonical_lib}})
list(REMOVE_ITEM expanded_components ${c})
endforeach()
- list(APPEND expanded_components ${MSVC_LIB_DEPS_${canonical_lib}})
+ if( add_it )
+ list(APPEND result ${canonical_lib})
+ list(APPEND expanded_components ${MSVC_LIB_DEPS_${canonical_lib}})
+ endif()
list(REMOVE_AT expanded_components 0)
list(LENGTH expanded_components lst_size)
endwhile( 0 LESS ${lst_size} )
set(${out_libs} ${result} PARENT_SCOPE)
endfunction(explicit_map_components_to_libraries)
+
+
+# The library dependency data is contained in the file
+# LLVMLibDeps.cmake on this directory. It is automatically generated
+# by tools/llvm-config/CMakeLists.txt when the build comprises all the
+# targets and we are on a environment Posix enough to build the
+# llvm-config script. This, in practice, just excludes MSVC.
+
+# When you remove or rename a library from the build, be sure to
+# remove its file from lib/ as well, or the GenLibDeps.pl script will
+# include it on its analysis!
+
+# The format generated by GenLibDeps.pl
+
+# libLLVMARMAsmPrinter.a: libLLVMMC.a libLLVMSupport.a
+
+# is translated to:
+
+# set(MSVC_LIB_DEPS_LLVMARMAsmPrinter LLVMMC LLVMSupport)
+
+# It is necessary to remove the `lib' prefix and the `.a' suffix.
+
+# This 'sed' script should do the trick:
+# sed -e s'#\.a##g' -e 's#libLLVM#LLVM#g' -e 's#: # #' -e 's#\(.*\)#set(MSVC_LIB_DEPS_\1)#' ~/llvm/tools/llvm-config/LibDeps.txt
+
+include(LLVMLibDeps)