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##===- 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-$(LLVMVersion)
NO_BUILD_ARCHIVE = 1
LINK_LIBS_IN_SHARED = 1
SHARED_LIBRARY = 1
include $(LEVEL)/Makefile.config
ifeq ($(HOST_OS), $(filter $(HOST_OS), Cygwin MingW))
EXPORTED_SYMBOL_FILE = $(ObjDir)/$(LIBRARYNAME).exports
# It is needed to force static-stdc++.a linked.
# FIXME: It should be omitted when configure detects system's stdc++.dll.
SHLIB_FRAG_NAMES += stdc++.a.o
endif
include $(LEVEL)/Makefile.common
# Include all archives in libLLVM.(so|dylib) except the ones that have
# their own dynamic libraries.
Archives := $(wildcard $(LibDir)/libLLVM*.a)
SharedLibraries := $(wildcard $(LibDir)/libLLVM*$(SHLIBEXT))
IncludeInLibLlvm := $(filter-out $(basename $(SharedLibraries)).a, $(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
# extra options to override libtool defaults
LLVMLibsOptions := $(LLVMLibsOptions) \
-Wl,-dead_strip \
-Wl,-seg1addr -Wl,0xE0000000
# Mac OS X 10.4 and earlier tools do not allow a second -install_name on command line
DARWIN_VERS := $(shell echo $(TARGET_TRIPLE) | sed 's/.*darwin\([0-9]*\).*/\1/')
ifneq ($(DARWIN_VERS),8)
LLVMLibsOptions := $(LLVMLibsOptions) \
-Wl,-install_name \
-Wl,"@executable_path/../lib/lib$(LIBRARYNAME)$(SHLIBEXT)"
endif
endif
ifeq ($(HOST_OS), $(filter $(HOST_OS), Linux FreeBSD OpenBSD))
# Include everything from the .a's into the shared library.
LLVMLibsOptions := -Wl,--whole-archive $(LLVMLibsOptions) \
-Wl,--no-whole-archive
endif
ifeq ($(HOST_OS),Linux)
# Don't allow unresolved symbols.
LLVMLibsOptions += -Wl,--no-undefined
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
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