3 files changed, 233 insertions, 0 deletions
diff --git a/gnu/llvm/tools/llvm-shlib/CMakeLists.txt b/gnu/llvm/tools/llvm-shlib/CMakeLists.txt
new file mode 100644
index 00000000000..2356103a9cd
--- /dev/null
+++ b/gnu/llvm/tools/llvm-shlib/CMakeLists.txt
@@ -0,0 +1,97 @@
+# This tool creates a shared library from the LLVM libraries. Generating this
+# library is enabled by setting LLVM_BUILD_LLVM_DYLIB=yes on the CMake
+# commandline. By default the shared library only exports the LLVM C API.
+
+add_definitions( -DLLVM_VERSION_INFO=\"${PACKAGE_VERSION}\" )
+
+set(SOURCES
+  libllvm.cpp
+  )
+
+llvm_map_components_to_libnames(LIB_NAMES ${LLVM_DYLIB_COMPONENTS})
+
+if(LLVM_LINK_LLVM_DYLIB)
+  if(LLVM_DYLIB_EXPORTED_SYMBOL_FILE)
+    message(WARNING "Using LLVM_LINK_LLVM_DYLIB with LLVM_DYLIB_EXPORTED_SYMBOL_FILE may not work. Use at your own risk.")
+  endif()
+
+  # libLLVM.so should not have any dependencies on any other LLVM
+  # shared libraries. When using the "all" pseudo-component,
+  # LLVM_AVAILABLE_LIBS is added to the dependencies, which may
+  # contain shared libraries (e.g. libLTO).
+  #
+  # Also exclude libLLVMTableGen for the following reasons:
+  #  - it is only used by internal *-tblgen utilities;
+  #  - it pollutes the global options space.
+  foreach(lib ${LIB_NAMES})
+    get_target_property(t ${lib} TYPE)
+    if("${lib}" STREQUAL "LLVMTableGen")
+    elseif("x${t}" STREQUAL "xSTATIC_LIBRARY")
+      list(APPEND FILTERED_LIB_NAMES ${lib})
+    endif()
+  endforeach()
+  set(LIB_NAMES ${FILTERED_LIB_NAMES})
+endif()
+
+if(LLVM_DYLIB_EXPORTED_SYMBOL_FILE)
+  set(LLVM_EXPORTED_SYMBOL_FILE ${LLVM_DYLIB_EXPORTED_SYMBOL_FILE})
+  add_custom_target(libLLVMExports DEPENDS ${LLVM_EXPORTED_SYMBOL_FILE})
+endif()
+
+add_llvm_library(LLVM SHARED DISABLE_LLVM_LINK_LLVM_DYLIB SONAME ${SOURCES})
+
+list(REMOVE_DUPLICATES LIB_NAMES)
+if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux") # FIXME: It should be "GNU ld for elf"
+  # GNU ld doesn't resolve symbols in the version script.
+  set(LIB_NAMES -Wl,--whole-archive ${LIB_NAMES} -Wl,--no-whole-archive)
+elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
+  set(LIB_NAMES -Wl,-all_load ${LIB_NAMES})
+endif()
+
+target_link_libraries(LLVM PRIVATE ${LIB_NAMES})
+
+if (APPLE)
+  set_property(TARGET LLVM APPEND_STRING PROPERTY
+              LINK_FLAGS
+              " -compatibility_version 1 -current_version ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}")
+endif()
+
+if(TARGET libLLVMExports)
+  add_dependencies(LLVM libLLVMExports)
+endif()
+
+if(LLVM_BUILD_LLVM_C_DYLIB)
+  # To get the export list for a single llvm library:
+  # nm ${LIB_PATH} | awk "/T _LLVM/ { print $3 }" | sort -u | sed -e "s/^_//g" > ${LIB_PATH}.exports
+
+  if(NOT APPLE)
+    message(FATAL_ERROR "Generating libLLVM-c is only supported on Darwin")
+  endif()
+
+  set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_BINARY_DIR}/libllvm-c.exports)
+
+  set(LIB_DIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})
+  set(LIB_NAME ${LIB_DIR}/${CMAKE_SHARED_LIBRARY_PREFIX}LLVM)
+  set(LIB_PATH ${LIB_NAME}${CMAKE_SHARED_LIBRARY_SUFFIX})
+  set(LIB_EXPORTS_PATH ${LIB_NAME}.exports)
+  list(APPEND LLVM_DYLIB_REQUIRED_EXPORTS ${LIB_EXPORTS_PATH})
+
+  add_custom_command(OUTPUT ${LLVM_EXPORTED_SYMBOL_FILE}
+    COMMAND nm ${LIB_PATH} | awk "/T _LLVM/ || /T LLVM/ { print $3 }" | sort -u | sed -e "s/^_//g" > ${LLVM_EXPORTED_SYMBOL_FILE}
+    WORKING_DIRECTORY ${LIB_DIR}
+    DEPENDS LLVM
+    COMMENT "Generating Export list for LLVM..."
+    VERBATIM )
+
+  add_custom_target(libLLVMCExports DEPENDS ${LLVM_EXPORTED_SYMBOL_FILE})
+
+  add_llvm_library(LLVM-C SHARED ${SOURCES})
+  
+  target_link_libraries(LLVM-C PUBLIC LLVM)
+  add_dependencies(LLVM-C libLLVMCExports)
+  
+  set_property(TARGET LLVM-C APPEND_STRING PROPERTY
+              LINK_FLAGS
+              " -compatibility_version 1 -current_version ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH} -Wl,-reexport_library ${LIB_PATH}")
+endif()
+
diff --git a/gnu/llvm/tools/llvm-shlib/Makefile b/gnu/llvm/tools/llvm-shlib/Makefile
new file mode 100644
index 00000000000..19077a3858a
--- /dev/null
+++ b/gnu/llvm/tools/llvm-shlib/Makefile
@@ -0,0 +1,116 @@
+##===- tools/shlib/Makefile --------------------------------*- Makefile -*-===##
+# 
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+# 
+##===----------------------------------------------------------------------===##
+
+LEVEL := ../..
+
+LIBRARYNAME = LLVM-$(LLVM_VERSION_MAJOR).$(LLVM_VERSION_MINOR)$(LLVM_VERSION_SUFFIX)
+LIBRARYALIASNAME = LLVM-$(LLVMVersion)
+
+NO_BUILD_ARCHIVE := 1
+LINK_LIBS_IN_SHARED := 1
+SHARED_LIBRARY := 1
+SHARED_ALIAS := 1
+
+include $(LEVEL)/Makefile.config
+
+ifeq ($(HOST_OS), $(filter $(HOST_OS), Cygwin MingW))
+  EXPORTED_SYMBOL_FILE = $(ObjDir)/$(LIBRARYNAME).exports
+
+  ifeq (1,$(ENABLE_EMBED_STDCXX))
+    # It is needed to force static-stdc++.a linked.
+    SHLIB_FRAG_NAMES += stdc++.a.o
+  endif
+
+endif
+
+include $(LEVEL)/Makefile.common
+
+# Include all archives in libLLVM.(so|dylib) except the ones that have
+# their own dynamic libraries and TableGen.
+Archives := $(wildcard $(LibDir)/libLLVM*.a)
+SharedLibraries := $(wildcard $(LibDir)/libLLVM*$(SHLIBEXT))
+ExcludeFromLibLlvm := $(basename $(SharedLibraries)).a %/libLLVMTableGen.a
+IncludeInLibLlvm := $(filter-out $(ExcludeFromLibLlvm), $(Archives))
+LLVMLibsOptions := $(IncludeInLibLlvm:$(LibDir)/lib%.a=-l%)
+LLVMLibsPaths   := $(IncludeInLibLlvm)
+
+$(LibName.SO): $(LLVMLibsPaths)
+
+ifeq ($(HOST_OS),Darwin)
+    # set dylib internal version number to llvmCore submission number
+    ifdef LLVM_SUBMIT_VERSION
+        LLVMLibsOptions := $(LLVMLibsOptions) -Wl,-current_version \
+                        -Wl,$(LLVM_SUBMIT_VERSION).$(LLVM_SUBMIT_SUBVERSION) \
+                        -Wl,-compatibility_version -Wl,1
+    endif
+    # Include everything from the .a's into the shared library.
+    LLVMLibsOptions    := $(LLVMLibsOptions) -all_load
+endif
+
+ifeq ($(HOST_OS), $(filter $(HOST_OS), DragonFly Linux FreeBSD GNU/kFreeBSD OpenBSD GNU Bitrig))
+    # Include everything from the .a's into the shared library.
+    LLVMLibsOptions := -Wl,--whole-archive $(LLVMLibsOptions) \
+                       -Wl,--no-whole-archive
+endif
+
+ifeq ($(HOST_OS), $(filter $(HOST_OS), DragonFly Linux FreeBSD GNU/kFreeBSD GNU))
+    # Add soname to the library.
+    LLVMLibsOptions += -Wl,--soname,lib$(LIBRARYNAME)$(SHLIBEXT)
+endif
+
+ifeq ($(HOST_OS), $(filter $(HOST_OS), Linux GNU GNU/kFreeBSD))
+    # Don't allow unresolved symbols.
+    LLVMLibsOptions += -Wl,--no-undefined
+endif
+
+ifeq ($(HOST_OS),SunOS)
+    # add -z allextract ahead of other libraries on Solaris
+    LLVMLibsOptions := -Wl,-z -Wl,allextract $(LLVMLibsOptions)
+endif
+
+ifeq ($(HOST_OS), $(filter $(HOST_OS), Cygwin MingW))
+
+SHLIB_STUBS := $(addprefix $(ObjDir)/, $(SHLIB_FRAG_NAMES))
+SHLIB_FRAGS := $(patsubst %.a.o, $(ObjDir)/%.syms.txt, $(LIBRARYNAME).a.o $(SHLIB_FRAG_NAMES))
+LLVMLibsOptions := $(SHLIB_STUBS) $(LLVMLibsOptions)
+
+$(LibName.SO): $(SHLIB_STUBS)
+
+%.syms.txt: %.a.o
+	$(Echo) Collecting global symbols of $(notdir $*)
+	$(Verb) $(NM_PATH) -g $< > $@
+
+$(ObjDir)/$(LIBRARYNAME).exports: $(SHLIB_FRAGS) $(ObjDir)/.dir
+	$(Echo) Generating exports for $(LIBRARYNAME)
+	$(Verb) ($(SED) -n \
+			-e "s/^.* T _\([^.][^.]*\)$$/\1/p" \
+			-e "s/^.* [BDR] _\([^.][^.]*\)$$/\1 DATA/p" \
+			$(SHLIB_FRAGS) \
+		 | sort -u) > $@
+
+$(ObjDir)/$(LIBRARYNAME).a.o: $(LLVMLibsPaths) $(ObjDir)/.dir
+	$(Echo) Linking all LLVMLibs together for $(LIBRARYNAME)
+	$(Verb) $(Link) -nostartfiles -Wl,-r -nodefaultlibs -o $@ \
+			-Wl,--whole-archive $(LLVMLibsPaths) \
+			-Wl,--no-whole-archive
+
+$(ObjDir)/stdc++.a.o: $(ObjDir)/.dir
+	$(Echo) Linking all libs together for static libstdc++.a
+	$(Verb) $(Link) -nostartfiles -Wl,-r -nodefaultlibs -o $@ \
+			-Wl,--whole-archive -lstdc++ \
+			-Wl,--no-whole-archive
+# FIXME: workaround to invalidate -lstdc++
+	$(Echo) Making dummy -lstdc++ to lib
+	$(Verb) $(AR) rc $(ToolDir)/libstdc++.dll.a
+# FIXME: Is install-local needed?
+
+clean-local::
+	$(Verb) $(RM) -f $(ToolDir)/libstdc++.dll.a
+
+endif
diff --git a/gnu/llvm/tools/llvm-shlib/libllvm.cpp b/gnu/llvm/tools/llvm-shlib/libllvm.cpp
new file mode 100644
index 00000000000..8424d660c9d
--- /dev/null
+++ b/gnu/llvm/tools/llvm-shlib/libllvm.cpp
@@ -0,0 +1,20 @@
+//===-libllvm.cpp - LLVM Shared Library -----------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is empty and serves only the purpose of making CMake happy because
+// you can't define a target with no sources.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Config/config.h"
+
+#if defined(DISABLE_LLVM_DYLIB_ATEXIT)
+extern "C" int __cxa_atexit();
+extern "C" int __cxa_atexit() { return 0; }
+#endif