llvm/tools/llvm-shlib/Makefile
Sylvestre Ledru 2fd13bbae0 Revert of 214418:
"Create a default symver on Linux like ELF OSes."

Fails the build under Debian with ld.gold:
/usr/bin/ld.gold: --default-symver: unknown option




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214482 91177308-0d34-0410-b5e6-96231b3b80d8
2014-08-01 06:16:03 +00:00

117 lines
3.9 KiB
Makefile

##===- 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