X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=cmake%2Fmodules%2FLLVMConfig.cmake;h=0744b50d648f078bb8c36de15035bb6c2cb2fdab;hb=9e6d1d1f5034347d237941f1bf08fba5c1583cd3;hp=e84e420d55498f7e3f4fdf134ab2871f90fd0a0d;hpb=cb7053bf7a0d3e67a854ce91a2f96f93ece36bc8;p=oota-llvm.git

diff --git a/cmake/modules/LLVMConfig.cmake b/cmake/modules/LLVMConfig.cmake
index e84e420d554..0744b50d648 100755
--- a/cmake/modules/LLVMConfig.cmake
+++ b/cmake/modules/LLVMConfig.cmake
@@ -1,55 +1,129 @@
-macro(llvm_config executable link_components)
-  if( MSVC )
-    msvc_llvm_config(${executable} ${link_components})
-  else( MSVC )
-    nix_llvm_config(${executable} ${link_components})
-  endif( MSVC )
-endmacro(llvm_config executable link_components)
+function(get_system_libs return_var)
+  # Returns in `return_var' a list of system libraries used by LLVM.
+  if( NOT MSVC )
+    if( MINGW )
+      set(system_libs ${system_libs} imagehlp psapi)
+    elseif( CMAKE_HOST_UNIX )
+      if( HAVE_LIBDL )
+	set(system_libs ${system_libs} ${CMAKE_DL_LIBS})
+      endif()
+      if( LLVM_ENABLE_THREADS AND HAVE_LIBPTHREAD )
+	set(system_libs ${system_libs} pthread)
+      endif()
+    endif( MINGW )
+  endif( NOT MSVC )
+  set(${return_var} ${system_libs} PARENT_SCOPE)
+endfunction(get_system_libs)
 
 
-macro(msvc_llvm_config executable link_components)
+macro(llvm_config executable)
+  explicit_llvm_config(${executable} ${ARGN})
+endmacro(llvm_config)
+
+
+function(explicit_llvm_config executable)
+  set( link_components ${ARGN} )
+
+  explicit_map_components_to_libraries(LIBRARIES ${link_components})
+  target_link_libraries(${executable} ${LIBRARIES})
+endfunction(explicit_llvm_config)
+
+
+function(explicit_map_components_to_libraries out_libs)
+  set( link_components ${ARGN} )
   foreach(c ${link_components})
-    if( c STREQUAL "jit" )
-      set_target_properties(${executable}
-	PROPERTIES
-	LINK_FLAGS "/INCLUDE:_X86TargetMachineModule")
-    endif( c STREQUAL "jit" )
+    # 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 idx LESS 0 )
+	list(APPEND expanded_components "LLVM${c}CodeGen")
+      else()
+	list(FIND llvm_libs "LLVM${c}" idx)
+	if( NOT idx LESS 0 )
+	  list(APPEND expanded_components "LLVM${c}")
+	else()
+	  message(FATAL_ERROR "Target ${c} is not in the set of libraries.")
+	endif()
+      endif()
+      list(FIND llvm_libs "LLVM${c}AsmPrinter" asmidx)
+      if( NOT asmidx LESS 0 )
+        list(APPEND expanded_components "LLVM${c}AsmPrinter")
+      endif()
+      list(FIND llvm_libs "LLVM${c}AsmParser" asmidx)
+      if( NOT asmidx LESS 0 )
+        list(APPEND expanded_components "LLVM${c}AsmParser")
+      endif()
+      list(FIND llvm_libs "LLVM${c}Info" asmidx)
+      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${c}Disassembler")
+      endif()
+    elseif( c STREQUAL "native" )
+      list(APPEND expanded_components "LLVM${LLVM_NATIVE_ARCH}CodeGen")
+    elseif( c STREQUAL "nativecodegen" )
+      list(APPEND expanded_components "LLVM${LLVM_NATIVE_ARCH}CodeGen")
+    elseif( c STREQUAL "backend" )
+      # same case as in `native'.
+    elseif( c STREQUAL "engine" )
+      # TODO: as we assume we are on X86, this is `jit'.
+      list(APPEND expanded_components "LLVMJIT")
+    elseif( c STREQUAL "all" )
+      list(APPEND expanded_components ${llvm_libs})
+    else( NOT idx LESS 0 )
+      list(APPEND expanded_components LLVM${c})
+    endif( NOT idx LESS 0 )
   endforeach(c)
-  target_link_libraries(${executable} ${llvm_libs})
-endmacro(msvc_llvm_config executable link_components)
+  # We must match capitalization.
+  string(TOUPPER "${llvm_libs}" capitalized_libs)
+  list(REMOVE_DUPLICATES expanded_components)
+  list(LENGTH expanded_components lst_size)
+  set(result "")
+  while( 0 LESS ${lst_size} )
+    list(GET expanded_components 0 c)
+    string(TOUPPER "${c}" capitalized)
+    list(FIND capitalized_libs ${capitalized} idx)
+    if( idx LESS 0 )
+      message(FATAL_ERROR "Library ${c} not found in list of llvm libraries.")
+    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}})
+    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)
 
 
-macro(nix_llvm_config executable link_components)
-  set(lc "")
-  foreach(c ${LLVM_LINK_COMPONENTS})
-    set(lc "${lc} ${c}")
-  endforeach(c)
-  if( NOT HAVE_LLVM_CONFIG )
-    target_link_libraries(${executable}
-      "`${LLVM_TOOLS_BINARY_DIR}/llvm-config --libs ${lc}`")
-  else( NOT HAVE_LLVM_CONFIG )
-    # tbi: Error handling.
-    if( NOT PERL_FOUND )
-      message(FATAL_ERROR "Perl required but not found!")
-    endif( NOT PERL_FOUND )
-    execute_process(
-      COMMAND sh -c "${PERL_EXECUTABLE} ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/llvm-config --libs ${lc}"
-      RESULT_VARIABLE rv
-      OUTPUT_VARIABLE libs
-      OUTPUT_STRIP_TRAILING_WHITESPACE)
-    if(NOT rv EQUAL 0)
-      message(FATAL_ERROR "llvm-config failed for executable ${executable}")
-    endif(NOT rv EQUAL 0)
-    string(REPLACE " " ";" libs ${libs})
-    foreach(c ${libs})
-      if(c MATCHES ".*\\.o")
-	get_filename_component(fn ${c} NAME)
-	target_link_libraries(${executable}
-	  ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY}/${fn})
-      else(c MATCHES ".*\\.o")
-	string(REPLACE "-l" "" fn ${c})
-	target_link_libraries(${executable} ${fn})
-      endif(c MATCHES ".*\\.o")
-    endforeach(c)
-  endif( NOT HAVE_LLVM_CONFIG )
-endmacro(nix_llvm_config executable link_components)
+# 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
+
+# LLVMARMAsmPrinter.o: LLVMARMCodeGen.o libLLVMAsmPrinter.a libLLVMCodeGen.a libLLVMCore.a libLLVMSupport.a libLLVMTarget.a
+
+# is translated to:
+
+# set(MSVC_LIB_DEPS_LLVMARMAsmPrinter LLVMARMCodeGen LLVMAsmPrinter LLVMCodeGen LLVMCore LLVMSupport LLVMTarget)
+
+# It is necessary to remove the `lib' prefix and the `.a'.
+
+# 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)