+# Primary targets:
+# gc.a - builds basic library
+# libgc.a - builds library for use with g++ "-fgc-keyword" extension
+# c++ - adds C++ interface to library
+# cords - adds cords (heavyweight strings) to library
+# test - prints porting information, then builds basic version of gc.a,
+# and runs some tests of collector and cords. Does not add cords or
+# c++ interface to gc.a
+# cord/de - builds dumb editor based on cords.
+ABI_FLAG=
+CC = @CC@ $(ABI_FLAG)
+CXX = @CXX@ $(ABI_FLAG)
+AS = @AS@ $(ABI_FLAG)
+PRJDIR = ../..
+srcdir = @srcdir@
+# The above doesn't work with gas, which doesn't run cpp.
+# Define AS as `gcc -c -x assembler-with-cpp' instead.
+# Under Irix 6, you will have to specify the ABI for as if you specify
+# it for the C compiler.
+
+CFLAGS= -O2 -DATOMIC_UNCOLLECTABLE -DNO_SIGNALS -DALL_INTERIOR_POINTERS -DNO_EXECUTE_PERMISSION -DSILENT -I /usr/local/include
+
+# For dynamic library builds, it may be necessary to add flags to generate
+# PIC code, e.g. -fPIC on Linux.
+
+# Setjmp_test may yield overly optimistic results when compiled
+# without optimization.
+# -DSILENT disables statistics printing, and improves performance.
+# -DCHECKSUMS reports on erroneously clear dirty bits, and unexpectedly
+# altered stubborn objects, at substantial performance cost.
+# Use only for incremental collector debugging.
+# -DFIND_LEAK causes the collector to assume that all inaccessible
+# objects should have been explicitly deallocated, and reports exceptions.
+# Finalization and the test program are not usable in this mode.
+# -DSOLARIS_THREADS enables support for Solaris (thr_) threads.
+# (Clients should also define SOLARIS_THREADS and then include
+# gc.h before performing thr_ or dl* or GC_ operations.)
+# Must also define -D_REENTRANT.
+# -D_SOLARIS_PTHREADS enables support for Solaris pthreads.
+# Define SOLARIS_THREADS as well.
+# -DIRIX_THREADS enables support for Irix pthreads. See README.irix.
+# _DLINUX_THREADS enables support for Xavier Leroy's Linux threads.
+# see README.linux. -D_REENTRANT may also be required.
+# -DALL_INTERIOR_POINTERS allows all pointers to the interior
+# of objects to be recognized. (See gc_priv.h for consequences.)
+# -DSMALL_CONFIG tries to tune the collector for small heap sizes,
+# usually causing it to use less space in such situations.
+# Incremental collection no longer works in this case.
+# -DLARGE_CONFIG tunes the collector for unusually large heaps.
+# Necessary for heaps larger than about 500 MB on most machines.
+# Recommended for heaps larger than about 64 MB.
+# -DDONT_ADD_BYTE_AT_END is meaningful only with
+# -DALL_INTERIOR_POINTERS. Normally -DALL_INTERIOR_POINTERS
+# causes all objects to be padded so that pointers just past the end of
+# an object can be recognized. This can be expensive. (The padding
+# is normally more than one byte due to alignment constraints.)
+# -DDONT_ADD_BYTE_AT_END disables the padding.
+# -DNO_SIGNALS does not disable signals during critical parts of
+# the GC process. This is no less correct than many malloc
+# implementations, and it sometimes has a significant performance
+# impact. However, it is dangerous for many not-quite-ANSI C
+# programs that call things like printf in asynchronous signal handlers.
+# -DNO_EXECUTE_PERMISSION may cause some or all of the heap to not
+# have execute permission, i.e. it may be impossible to execute
+# code from the heap. Currently this only affects the incremental
+# collector on UNIX machines. It may greatly improve its performance,
+# since this may avoid some expensive cache synchronization.
+# -DOPERATOR_NEW_ARRAY declares that the C++ compiler supports the
+# new syntax "operator new[]" for allocating and deleting arrays.
+# See gc_cpp.h for details. No effect on the C part of the collector.
+# This is defined implicitly in a few environments.
+# -DREDIRECT_MALLOC=X causes malloc, realloc, and free to be defined
+# as aliases for X, GC_realloc, and GC_free, respectively.
+# Calloc is redefined in terms of the new malloc. X should
+# be either GC_malloc or GC_malloc_uncollectable.
+# The former is occasionally useful for working around leaks in code
+# you don't want to (or can't) look at. It may not work for
+# existing code, but it often does. Neither works on all platforms,
+# since some ports use malloc or calloc to obtain system memory.
+# (Probably works for UNIX, and win32.)
+# -DIGNORE_FREE turns calls to free into a noop. Only useful with
+# -DREDIRECT_MALLOC.
+# -DNO_DEBUGGING removes GC_dump and the debugging routines it calls.
+# Reduces code size slightly at the expense of debuggability.
+# -DJAVA_FINALIZATION makes it somewhat safer to finalize objects out of
+# order by specifying a nonstandard finalization mark procedure (see
+# finalize.c). Objects reachable from finalizable objects will be marked
+# in a sepearte postpass, and hence their memory won't be reclaimed.
+# Not recommended unless you are implementing a language that specifies
+# these semantics.
+# -DFINALIZE_ON_DEMAND causes finalizers to be run only in response
+# to explicit GC_invoke_finalizers() calls.
+# -DATOMIC_UNCOLLECTABLE includes code for GC_malloc_atomic_uncollectable.
+# This is useful if either the vendor malloc implementation is poor,
+# or if REDIRECT_MALLOC is used.
+# -DHBLKSIZE=ddd, where ddd is a power of 2 between 512 and 16384, explicitly
+# sets the heap block size. Each heap block is devoted to a single size and
+# kind of object. For the incremental collector it makes sense to match
+# the most likely page size. Otherwise large values result in more
+# fragmentation, but generally better performance for large heaps.
+# -DUSE_MMAP use MMAP instead of sbrk to get new memory.
+# Works for Solaris and Irix.
+# -DMMAP_STACKS (for Solaris threads) Use mmap from /dev/zero rather than
+# GC_scratch_alloc() to get stack memory.
+# -DPRINT_BLACK_LIST Whenever a black list entry is added, i.e. whenever
+# the garbage collector detects a value that looks almost, but not quite,
+# like a pointer, print both the address containing the value, and the
+# value of the near-bogus-pointer. Can be used to identifiy regions of
+# memory that are likely to contribute misidentified pointers.
+# -DOLD_BLOCK_ALLOC Use the old, possibly faster, large block
+# allocation strategy. The new strategy tries harder to minimize
+# fragmentation, sometimes at the expense of spending more time in the
+# large block allocator and/or collecting more frequently.
+# If you expect the allocator to promtly use an explicitly expanded
+# heap, this is highly recommended.
+#
+
+
+
+LIBGC_CFLAGS= -O -DNO_SIGNALS -DSILENT \
+ -DREDIRECT_MALLOC=GC_malloc_uncollectable \
+ -DDONT_ADD_BYTE_AT_END -DALL_INTERIOR_POINTERS
+# Flags for building libgc.a -- the last two are required.
+
+CXXFLAGS= $(CFLAGS)
+AR = ar
+RANLIB = @RANLIB@
+
+# Redefining srcdir allows object code for the nonPCR version of the collector
+# to be generated in different directories. In this case, the destination directory
+# should contain a copy of the original include directory.
+srcdir = .
+VPATH = $(srcdir)
+
+OBJS= alloc.o reclaim.o allchblk.o misc.o mach_dep.o os_dep.o mark_rts.o headers.o mark.o obj_map.o blacklst.o finalize.o new_hblk.o dbg_mlc.o malloc.o stubborn.o checksums.o solaris_threads.o irix_threads.o linux_threads.o typd_mlc.o ptr_chck.o mallocx.o solaris_pthreads.o
+
+CSRCS= reclaim.c allchblk.c misc.c alloc.c mach_dep.c os_dep.c mark_rts.c headers.c mark.c obj_map.c pcr_interface.c blacklst.c finalize.c new_hblk.c real_malloc.c dyn_load.c dbg_mlc.c malloc.c stubborn.c checksums.c solaris_threads.c irix_threads.c linux_threads.c typd_mlc.c ptr_chck.c mallocx.c solaris_pthreads.c
+
+CORD_SRCS= cord/cordbscs.c cord/cordxtra.c cord/cordprnt.c cord/de.c cord/cordtest.c cord/cord.h cord/ec.h cord/private/cord_pos.h cord/de_win.c cord/de_win.h cord/de_cmds.h cord/de_win.ICO cord/de_win.RC cord/SCOPTIONS.amiga cord/SMakefile.amiga
+
+CORD_OBJS= cord/cordbscs.o cord/cordxtra.o cord/cordprnt.o
+
+SRCS= $(CSRCS) mips_sgi_mach_dep.s rs6000_mach_dep.s alpha_mach_dep.s \
+ sparc_mach_dep.s gc.h gc_typed.h gc_hdrs.h gc_priv.h gc_private.h \
+ gcconfig.h gc_mark.h include/gc_inl.h include/gc_inline.h gc.man \
+ threadlibs.c if_mach.c if_not_there.c gc_cpp.cc gc_cpp.h weakpointer.h \
+ gcc_support.c mips_ultrix_mach_dep.s include/gc_alloc.h gc_alloc.h \
+ include/new_gc_alloc.h include/javaxfc.h sparc_sunos4_mach_dep.s \
+ solaris_threads.h $(CORD_SRCS)
+
+OTHER_FILES= Makefile PCR-Makefile OS2_MAKEFILE NT_MAKEFILE BCC_MAKEFILE \
+ README test.c test_cpp.cc setjmp_t.c SMakefile.amiga \
+ SCoptions.amiga README.amiga README.win32 cord/README \
+ cord/gc.h include/gc.h include/gc_typed.h include/cord.h \
+ include/ec.h include/private/cord_pos.h include/private/gcconfig.h \
+ include/private/gc_hdrs.h include/private/gc_priv.h \
+ include/gc_cpp.h README.rs6000 \
+ include/weakpointer.h README.QUICK callprocs pc_excludes \
+ barrett_diagram README.OS2 README.Mac MacProjects.sit.hqx \
+ MacOS.c EMX_MAKEFILE makefile.depend README.debugging \
+ include/gc_cpp.h Mac_files/datastart.c Mac_files/dataend.c \
+ Mac_files/MacOS_config.h Mac_files/MacOS_Test_config.h \
+ add_gc_prefix.c README.solaris2 README.sgi README.hp README.uts \
+ win32_threads.c NT_THREADS_MAKEFILE gc.mak README.dj Makefile.dj \
+ README.alpha README.linux version.h Makefile.DLLs gc_watcom.asm \
+ WCC_MAKEFILE
+
+CORD_INCLUDE_FILES= $(srcdir)/gc.h $(srcdir)/cord/cord.h $(srcdir)/cord/ec.h \
+ $(srcdir)/cord/private/cord_pos.h
+
+UTILS= if_mach if_not_there threadlibs
+
+# Libraries needed for curses applications. Only needed for de.
+CURSES= -lcurses -ltermlib
+
+# The following is irrelevant on most systems. But a few
+# versions of make otherwise fork the shell specified in
+# the SHELL environment variable.
+SHELL= /bin/sh
+
+SPECIALCFLAGS =
+# Alternative flags to the C compiler for mach_dep.c.
+# Mach_dep.c often doesn't like optimization, and it's
+# not time-critical anyway.
+# Set SPECIALCFLAGS to -q nodirect_code on Encore.
+
+#all: checkconf libgc.a gctest
+all: checkconf libgc.a
+
+pcr: PCR-Makefile gc_private.h gc_hdrs.h gc.h gcconfig.h mach_dep.o $(SRCS)
+ make -f PCR-Makefile depend
+ make -f PCR-Makefile
+
+$(OBJS) test.o dyn_load.o dyn_load_sunos53.o: $(srcdir)/gc_priv.h $(srcdir)/gc_hdrs.h $(srcdir)/gc.h \
+ $(srcdir)/gcconfig.h $(srcdir)/gc_typed.h Makefile
+# The dependency on Makefile is needed. Changing
+# options such as -DSILENT affects the size of GC_arrays,
+# invalidating all .o files that rely on gc_priv.h
+
+mark.o typd_mlc.o finalize.o: $(srcdir)/gc_mark.h
+
+base_lib libgc.a: $(OBJS) dyn_load.o $(UTILS)
+ echo > base_lib
+ rm -f on_sparc_sunos5_1
+ $(AR) ru libgc.a $(OBJS) dyn_load.o
+ $(RANLIB) libgc.a || cat /dev/null
+# ignore ranlib failure; that usually means it doesn't exist, and isn't needed
+
+cords: $(CORD_OBJS) cord/cordtest $(UTILS)
+ rm -f on_sparc_sunos5_3
+ $(AR) ru libgc.a $(CORD_OBJS)
+ $(RANLIB) libgc.a || cat /dev/null
+
+gc_cpp.o: $(srcdir)/gc_cpp.cc $(srcdir)/gc_cpp.h $(srcdir)/gc.h Makefile
+ $(CXX) -c $(CXXFLAGS) $(srcdir)/gc_cpp.cc
+
+test_cpp: $(srcdir)/test_cpp.cc $(srcdir)/gc_cpp.h gc_cpp.o $(srcdir)/gc.h \
+base_lib $(UTILS)
+ rm -f test_cpp
+ $(CXX) $(CXXFLAGS) -o test_cpp $(srcdir)/test_cpp.cc gc_cpp.o libgc.a `./threadlibs`
+
+c++: gc_cpp.o $(srcdir)/gc_cpp.h test_cpp
+ rm -f on_sparc_sunos5_4
+ $(AR) ru libgc.a gc_cpp.o
+ $(RANLIB) libgc.a || cat /dev/null
+ ./test_cpp 1
+ echo > c++
+
+dyn_load_sunos53.o: dyn_load.c
+ $(CC) $(CFLAGS) -DSUNOS53_SHARED_LIB -c $(srcdir)/dyn_load.c -o $@
+
+# SunOS5 shared library version of the collector
+sunos5gc.so: $(OBJS) dyn_load_sunos53.o
+ $(CC) -G -o sunos5gc.so $(OBJS) dyn_load_sunos53.o -ldl
+ ln sunos5gc.so libgc.so
+
+# Alpha/OSF shared library version of the collector
+libalphagc.so: $(OBJS)
+ ld -shared -o libalphagc.so $(OBJS) dyn_load.o -lc
+ ln libalphagc.so libgc.so
+
+# IRIX shared library version of the collector
+libirixgc.so: $(OBJS) dyn_load.o
+ ld -shared $(ABI_FLAG) -o libirixgc.so $(OBJS) dyn_load.o -lc
+ ln libirixgc.so libgc.so
+
+# Linux shared library version of the collector
+liblinuxgc.so: $(OBJS) dyn_load.o
+ gcc -shared -o liblinuxgc.so $(OBJS) dyn_load.o -lo
+ ln liblinuxgc.so libgc.so
+
+mach_dep.o: $(srcdir)/mach_dep.c $(srcdir)/mips_sgi_mach_dep.s $(srcdir)/mips_ultrix_mach_dep.s $(srcdir)/rs6000_mach_dep.s $(UTILS)
+ rm -f mach_dep.o
+ $(CC) -c $(SPECIALCFLAGS) $(srcdir)/mach_dep.c
+
+mark_rts.o: $(srcdir)/mark_rts.c if_mach if_not_there $(UTILS)
+ rm -f mark_rts.o
+ $(CC) -c $(CFLAGS) $(srcdir)/mark_rts.c
+# Work-around for DEC optimizer tail recursion elimination bug.
+# The ALPHA-specific line should be removed if gcc is used.
+
+alloc.o: version.h
+
+cord/cordbscs.o: $(srcdir)/cord/cordbscs.c $(CORD_INCLUDE_FILES)
+ $(CC) $(CFLAGS) -c $(srcdir)/cord/cordbscs.c
+ mv cordbscs.o cord/cordbscs.o
+# not all compilers understand -o filename
+
+cord/cordxtra.o: $(srcdir)/cord/cordxtra.c $(CORD_INCLUDE_FILES)
+ $(CC) $(CFLAGS) -c $(srcdir)/cord/cordxtra.c
+ mv cordxtra.o cord/cordxtra.o
+
+cord/cordprnt.o: $(srcdir)/cord/cordprnt.c $(CORD_INCLUDE_FILES)
+ $(CC) $(CFLAGS) -c $(srcdir)/cord/cordprnt.c
+ mv cordprnt.o cord/cordprnt.o
+
+cord/cordtest: $(srcdir)/cord/cordtest.c $(CORD_OBJS) libgc.a $(UTILS)
+ rm -f cord/cordtest
+ $(CC) $(CFLAGS) -o cord/cordtest $(srcdir)/cord/cordtest.c $(CORD_OBJS) libgc.a `./threadlibs`
+
+cord/de: $(srcdir)/cord/de.c cord/cordbscs.o cord/cordxtra.o libgc.a $(UTILS)
+ rm -f cord/de
+ $(CC) $(CFLAGS) -o cord/de $(srcdir)/cord/de.c cord/cordbscs.o cord/cordxtra.o libgc.a $(CURSES) `./threadlibs`
+
+if_mach: $(srcdir)/if_mach.c $(srcdir)/gcconfig.h
+ $(CC) $(CFLAGS) -o if_mach $(srcdir)/if_mach.c
+
+threadlibs: $(srcdir)/threadlibs.c $(srcdir)/gcconfig.h Makefile
+ $(CC) $(CFLAGS) -o threadlibs $(srcdir)/threadlibs.c
+
+if_not_there: $(srcdir)/if_not_there.c
+ $(CC) $(CFLAGS) -o if_not_there $(srcdir)/if_not_there.c
+
+clean:
+ rm -f libgc.a *.o gctest gctest_dyn_link test_cpp \
+ setjmp_test mon.out gmon.out a.out core if_not_there if_mach \
+ threadlibs $(CORD_OBJS) cord/cordtest cord/de
+ -rm -f *~
+
+gctest: test.o libgc.a if_mach if_not_there
+ rm -f gctest
+ $(CC) $(CFLAGS) -o gctest test.o libgc.a `./threadlibs`
+
+# If an optimized setjmp_test generates a segmentation fault,
+# odds are your compiler is broken. Gctest may still work.
+# Try compiling setjmp_t.c unoptimized.
+setjmp_test: $(srcdir)/setjmp_t.c $(srcdir)/gc.h if_mach if_not_there
+ $(CC) $(CFLAGS) -o setjmp_test $(srcdir)/setjmp_t.c
+
+test: KandRtest cord/cordtest
+ cord/cordtest
+
+# Those tests that work even with a K&R C compiler:
+KandRtest: setjmp_test gctest
+ ./setjmp_test
+ ./gctest
+
+add_gc_prefix: add_gc_prefix.c
+ $(CC) -o add_gc_prefix $(srcdir)/add_gc_prefix.c
+
+gc.tar: $(SRCS) $(OTHER_FILES) add_gc_prefix
+ ./add_gc_prefix $(SRCS) $(OTHER_FILES) > /tmp/gc.tar-files
+ (cd $(srcdir)/.. ; tar cvfh - `cat /tmp/gc.tar-files`) > gc.tar
+
+pc_gc.tar: $(SRCS) $(OTHER_FILES)
+ tar cvfX pc_gc.tar pc_excludes $(SRCS) $(OTHER_FILES)
+
+floppy: pc_gc.tar
+ -mmd a:/cord
+ -mmd a:/cord/private
+ -mmd a:/include
+ -mmd a:/include/private
+ mkdir /tmp/pc_gc
+ cat pc_gc.tar | (cd /tmp/pc_gc; tar xvf -)
+ -mcopy -tmn /tmp/pc_gc/* a:
+ -mcopy -tmn /tmp/pc_gc/cord/* a:/cord
+ -mcopy -mn /tmp/pc_gc/cord/de_win.ICO a:/cord
+ -mcopy -tmn /tmp/pc_gc/cord/private/* a:/cord/private
+ -mcopy -tmn /tmp/pc_gc/include/* a:/include
+ -mcopy -tmn /tmp/pc_gc/include/private/* a:/include/private
+ rm -r /tmp/pc_gc
+
+gc.tar.Z: gc.tar
+ compress gc.tar
+
+gc.tar.gz: gc.tar
+ gzip gc.tar
+
+lint: $(CSRCS) test.c
+ lint -DLINT $(CSRCS) test.c | egrep -v "possible pointer alignment problem|abort|exit|sbrk|mprotect|syscall"
+
+# BTL: added to test shared library version of collector.
+# Currently works only under SunOS5. Requires GC_INIT call from statically
+# loaded client code.
+ABSDIR = `pwd`
+gctest_dyn_link: test.o libgc.so
+ $(CC) -L$(ABSDIR) -R$(ABSDIR) -o gctest_dyn_link test.o -lgc -ldl -lthread
+
+gctest_irix_dyn_link: test.o libirixgc.so
+ $(CC) -L$(ABSDIR) -o gctest_irix_dyn_link test.o -lirixgc
+
+test_dll.o: test.c libgc_globals.h
+ $(CC) $(CFLAGS) -DGC_USE_DLL -c test.c -o test_dll.o
+
+test_dll: test_dll.o libgc_dll.a libgc.dll
+ $(CC) test_dll.o -L$(ABSDIR) -lgc_dll -o test_dll
+
+SYM_PREFIX-libgc=GC
+
+# Uncomment the following line to build a GNU win32 DLL
+# include Makefile.DLLs
+
+reserved_namespace: $(SRCS)
+ for file in $(SRCS) test.c test_cpp.cc; do \
+ sed s/GC_/_GC_/g < $$file > tmp; \
+ cp tmp $$file; \
+ done
+
+user_namespace: $(SRCS)
+ for file in $(SRCS) test.c test_cpp.cc; do \
+ sed s/_GC_/GC_/g < $$file > tmp; \
+ cp tmp $$file; \
+ done
+
+# Remake configuration
+checkconf:
+ @if [ -f $(srcdir)/../devel ]; then \
+ $(MAKE) -f $(srcdir)/conf.mk freshconf \
+ srcdir="$(srcdir)" PRJDIR="$(PRJDIR)"; \
+ fi
+
+# End of Makefile
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