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##===- runtime/GCCLibraries/crtend/Makefile ----------------*- Makefile -*-===##
#
# The LLVM Compiler Infrastructure
#
# This file was developed by the LLVM research group and is distributed under
# the University of Illinois Open Source License. See LICENSE.TXT for details.
#
##===----------------------------------------------------------------------===##
#
# This directory contains the C and C++ runtime libraries for the LLVM GCC
# front-ends. See the README.txt file for more details.
#
# Since this archive has strange requirements, we use almost all custom rules
# for building it.
#
##===----------------------------------------------------------------------===##
LEVEL = ../../..
DONT_BUILD_RELINKED=1
EXTRA_DIST := comp_main.lst comp_genericeh.lst comp_sjljeh.lst
MainSrc := crtend.c listend.ll
GenericEHSrc := Exception.cpp
SJLJEHSrc := SJLJ-Exception.cpp
Source := $(MainSrc) $(GenericEHSrc) $(SJLJEHSrc) $(CXXEHSrc)
include $(LEVEL)/Makefile.common
# CRTEND_A - The result of making 'all' - the final archive file.
CRTEND_A = $(LibDir)/libcrtend.a
all:: $(CRTEND_A)
# Installation simply requires copying the archive to it's new home.
$(bytecode_libdir)/libcrtend.a: $(CRTEND_A) $(bytecode_libdir)
$(Echo) Installing $(CRTEND_A)
$(Verb) $(INSTALL) $(CRTEND_A) $(bytecode_libdir)
install:: $(DESTDIR)$(bytecode_libdir)/libcrtend.a
install-bytecode:: $(DESTDIR)$(bytecode_libdir)/libcrtend.a
clean-local::
$(Verb)$(RM) -f $(CRTEND_A)
# The three components described in the README
Components := main genericeh sjljeh
ComponentLibs := $(Components:%=$(ObjDir)/comp_%.bc)
# We build libcrtend.a from the four components described in the README.
$(CRTEND_A) : $(ComponentLibs) $(LibDir)/.dir
$(Echo) Building final libcrtend.a file from components
$(Verb) $(LArchive) $@ $(ComponentLibs)
MainObj := $(ObjDir)/crtend.bc $(ObjDir)/listend.bc
GenericEHObj := $(ObjDir)/Exception.bc
SJLJEHObj := $(ObjDir)/SJLJ-Exception.bc
# __main and ctor/dtor support component
$(ObjDir)/comp_main.bc: $(MainObj)
$(Echo) Linking $(notdir $@) component...
$(Verb) $(GCCLD) -link-as-library \
-internalize-public-api-file=$(BUILD_SRC_DIR)/comp_main.lst \
$(MainObj) -o $@ \
# Generic exception handling support runtime.
$(ObjDir)/comp_genericeh.bc: $(GenericEHObj)
$(Echo) Linking $(notdir $@) component...
$(Verb) $(GCCLD) -link-as-library \
-internalize-public-api-file=$(BUILD_SRC_DIR)/comp_genericeh.lst \
$(GenericEHObj) -o $@
# setjmp/longjmp exception handling support runtime.
$(ObjDir)/comp_sjljeh.bc: $(SJLJEHObj)
$(Echo) Linking $(notdir $@) component...
$(Verb) $(GCCLD) -link-as-library \
-internalize-public-api-file=$(BUILD_SRC_DIR)/comp_sjljeh.lst \
$(SJLJEHObj) -o $@
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