diff options
Diffstat (limited to '')
| -rw-r--r-- | gc/Makefile.dj | 208 |
1 files changed, 100 insertions, 108 deletions
diff --git a/gc/Makefile.dj b/gc/Makefile.dj index 54f77db..09fae4e 100644 --- a/gc/Makefile.dj +++ b/gc/Makefile.dj @@ -1,3 +1,7 @@ +# This Makefile is intended only for DJGPP use. +# It is mainly a copy of the main Makefile, but tends to get out of sync +# with it. A merge would probably be appropriate. + # Primary targets: # gc.a - builds basic library # libgc.a - builds library for use with g++ "-fgc-keyword" extension @@ -20,29 +24,18 @@ AS=gcc -c -x assembler-with-cpp $(ABI_FLAG) CXXLD=gxx $(ABI_FLAG) EXE_SUFFIX=.exe -CFLAGS= -O -DATOMIC_UNCOLLECTABLE -DNO_SIGNALS -DALL_INTERIOR_POINTERS -DNO_EXECUTE_PERMISSION -DSILENT +srcdir= . +VPATH= $(srcdir) -# For dynamic library builds, it may be necessary to add flags to generate -# PIC code, e.g. -fPIC on Linux. +CFLAGS= -O -I$(srcdir)/include -DATOMIC_UNCOLLECTABLE -DNO_SIGNALS -DALL_INTERIOR_POINTERS -DNO_EXECUTE_PERMISSION -DSILENT # 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 +# -DFIND_LEAK causes GC_find_leak to be initially set. +# This 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, @@ -62,15 +55,18 @@ CFLAGS= -O -DATOMIC_UNCOLLECTABLE -DNO_SIGNALS -DALL_INTERIOR_POINTERS -DNO_EXEC # 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. +# This is on by default. Turning it off has not been extensively tested with +# compilers that reorder stores. It should have been. # -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. +# -DGC_NO_OPERATOR_NEW_ARRAY declares that the C++ compiler does not support +# 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. +# This is defined implicitly in a few environments. Must also be defined +# by clients that use gc_cpp.h. # -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 @@ -89,9 +85,12 @@ CFLAGS= -O -DATOMIC_UNCOLLECTABLE -DNO_SIGNALS -DALL_INTERIOR_POINTERS -DNO_EXEC # 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. +# these semantics. Since 5.0, determines only only the initial value +# of GC_java_finalization variable. # -DFINALIZE_ON_DEMAND causes finalizers to be run only in response # to explicit GC_invoke_finalizers() calls. +# In 5.0 this became runtime adjustable, and this only determines the +# initial value of GC_finalize_on_demand. # -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. @@ -100,76 +99,100 @@ CFLAGS= -O -DATOMIC_UNCOLLECTABLE -DNO_SIGNALS -DALL_INTERIOR_POINTERS -DNO_EXEC # 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. -# - - +# -DKEEP_BACK_PTRS Add code to save back pointers in debugging headers +# for objects allocated with the debugging allocator. If all objects +# through GC_MALLOC with GC_DEBUG defined, this allows the client +# to determine how particular or randomly chosen objects are reachable +# for debugging/profiling purposes. The gc_backptr.h interface is +# implemented only if this is defined. +# -DGC_ASSERTIONS Enable some internal GC assertion checking. Currently +# this facility is only used in a few places. It is intended primarily +# for debugging of the garbage collector itself, but could also +# -DDBG_HDRS_ALL Make sure that all objects have debug headers. Increases +# the reliability (from 99.9999% to 100%) of some of the debugging +# code (especially KEEP_BACK_PTRS). Makes -DSHORT_DBG_HDRS possible. +# Assumes that all client allocation is done through debugging +# allocators. +# -DSHORT_DBG_HDRS Assume that all objects have debug headers. Shorten +# the headers to minimize object size, at the expense of checking for +# writes past the end of an object. This is intended for environments +# in which most client code is written in a "safe" language, such as +# Scheme or Java. Assumes that all client allocation is done using +# the GC_debug_ functions (or through the macros that expand to these. +# (Also eliminates the field for the requested object size.) +# occasionally be useful for debugging of client code. Slows down the +# collector somewhat, but not drastically. +# -DCHECKSUMS reports on erroneously clear dirty bits, and unexpectedly +# altered stubborn objects, at substantial performance cost. +# Use only for debugging of the incremental collector. +# -DGC_GCJ_SUPPORT includes support for gcj (and possibly other systems +# that include a pointer to a type descriptor in each allocated object). +# Building this way requires an ANSI C compiler. +# -DUSE_I686_PREFETCH causes the collector to issue Pentium III style +# prefetch instructions. No effect except on X86 Linux platforms. +# Assumes a very recent gcc-compatible compiler and assembler. +# (Gas prefetcht0 support was added around May 1999.) +# Empirically the code appears to still run correctly on Pentium II +# processors, though with no performance benefit. May not run on other +# X86 processors? In some cases this improves performance by +# 15% or so. +# -DUSE_3DNOW_PREFETCH causes the collector to issue AMD 3DNow style +# prefetch instructions. Same restrictions as USE_I686_PREFETCH. +# UNTESTED!! +# -DGC_USE_LD_WRAP in combination with the gld flags listed in README.linux +# causes the collector some system and pthread calls in a more transparent +# fashion than the usual macro-based approach. Requires GNU ld, and +# currently probably works only with Linux. -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) -DOPERATOR_NEW_ARRAY 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 +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 hpux_irix_threads.o linux_threads.o typd_mlc.o ptr_chck.o mallocx.o solaris_pthreads.o gcj_mlc.o specific.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 +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 hpux_irix_threads.c linux_threads.c typd_mlc.c ptr_chck.c mallocx.c solaris_pthreads.c gcj_mlc.c specific.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_SRCS= cord/cordbscs.c cord/cordxtra.c cord/cordprnt.c cord/de.c cord/cordtest.c include/cord.h include/ec.h include/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 \ + sparc_mach_dep.s include/gc.h include/gc_typed.h \ + include/private/gc_hdrs.h include/private/gc_priv.h \ + include/private/gcconfig.h include/private/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 include/gc_cpp.h \ + include/weakpointer.h include/private/gc_locks.h \ + gcc_support.c mips_ultrix_mach_dep.s include/gc_alloc.h \ include/new_gc_alloc.h include/javaxfc.h sparc_sunos4_mach_dep.s \ - solaris_threads.h $(CORD_SRCS) + include/private/solaris_threads.h include/gc_backptr.h \ + hpux_test_and_clear.s include/gc_gcj.h \ + include/gc_local_alloc.h include/private/dbg_mlc.h \ + include/private/specific.h powerpc_macosx_mach_dep.s \ + include/leak_detector.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 \ + README.rs6000 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 \ + MacOS.c EMX_MAKEFILE README.debugging \ + 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 \ - WCC_MAKEFILE + README.alpha README.linux README.MacOSX version.h Makefile.DLLs \ + WCC_MAKEFILE nursery.c include/gc_nursery.h include/gc_copy_descr.h -CORD_INCLUDE_FILES= $(srcdir)/gc.h $(srcdir)/cord/cord.h $(srcdir)/cord/ec.h \ - $(srcdir)/cord/private/cord_pos.h +CORD_INCLUDE_FILES= $(srcdir)/include/gc.h $(srcdir)/include/cord.h \ + $(srcdir)/include/ec.h $(srcdir)/include/private/cord_pos.h UTILS= if_mach$(EXE_SUFFIX) if_not_there$(EXE_SUFFIX) @@ -189,12 +212,12 @@ SPECIALCFLAGS = all: gc.a gctest$(EXE_SUFFIX) -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 $(srcdir)/gc_typed.h Makefile +$(OBJS) test.o dyn_load.o dyn_load_sunos53.o: \ + $(srcdir)/include/private/gc_priv.h \ + $(srcdir)/include/private/gc_hdrs.h $(srcdir)/include/private/gc_locks.h \ + $(srcdir)/include/gc.h \ + $(srcdir)/include/private/gcconfig.h $(srcdir)/include/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 @@ -217,17 +240,17 @@ cords: $(CORD_OBJS) cord/cordtest$(EXE_SUFFIX) $(UTILS) ./if_not_there on_sparc_sunos5_3 $(AR) ru gc.a $(CORD_OBJS) -./if_not_there on_sparc_sunos5_3 $(RANLIB) gc.a -gc_cpp.o: $(srcdir)/gc_cpp.cc $(srcdir)/gc_cpp.h $(srcdir)/gc.h Makefile +gc_cpp.o: $(srcdir)/gc_cpp.cc $(srcdir)/include/gc_cpp.h $(srcdir)/include/gc.h Makefile $(CXX) -c $(CXXFLAGS) $(srcdir)/gc_cpp.cc -test_cpp$(EXE_SUFFIX): $(srcdir)/test_cpp.cc $(srcdir)/gc_cpp.h gc_cpp.o $(srcdir)/gc.h \ +test_cpp$(EXE_SUFFIX): $(srcdir)/test_cpp.cc $(srcdir)/include/gc_cpp.h gc_cpp.o $(srcdir)/include/gc.h \ base_lib $(UTILS) rm -f test_cpp test_cpp$(EXE_SUFFIX) ./if_mach HP_PA "" $(CXX) $(CXXFLAGS) -o test_cpp $(srcdir)/test_cpp.cc gc_cpp.o gc.a -ldld ./if_not_there test_cpp$(EXE_SUFFIX) $(CXXLD) $(CXXFLAGS) -o test_cpp$(EXE_SUFFIX) $(srcdir)/test_cpp.cc gc_cpp.o gc.a rm -f test_cpp -c++: gc_cpp.o $(srcdir)/gc_cpp.h test_cpp$(EXE_SUFFIX) +c++: gc_cpp.o $(srcdir)/include/gc_cpp.h test_cpp$(EXE_SUFFIX) rm -f on_sparc_sunos5_4 ./if_mach SPARC SUNOS5 touch on_sparc_sunos5_4 ./if_mach SPARC SUNOS5 $(AR) rus gc.a gc_cpp.o @@ -259,12 +282,14 @@ 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) +mach_dep.o: $(srcdir)/mach_dep.c $(srcdir)/mips_sgi_mach_dep.s $(srcdir)/mips_ultrix_mach_dep.s \ + $(srcdir)/rs6000_mach_dep.s $(srcdir)/powerpc_macosx_mach_dep.s $(UTILS) rm -f mach_dep.o ./if_mach MIPS IRIX5 $(AS) -o mach_dep.o $(srcdir)/mips_sgi_mach_dep.s ./if_mach MIPS RISCOS $(AS) -o mach_dep.o $(srcdir)/mips_ultrix_mach_dep.s ./if_mach MIPS ULTRIX $(AS) -o mach_dep.o $(srcdir)/mips_ultrix_mach_dep.s ./if_mach RS6000 "" $(AS) -o mach_dep.o $(srcdir)/rs6000_mach_dep.s + ./if_mach POWERPC MACOSX $(AS) -o mach_dep.o $(srcdir)/powerpc_macosx_mach_dep.s ./if_mach ALPHA "" $(AS) -o mach_dep.o $(srcdir)/alpha_mach_dep.s ./if_mach SPARC SUNOS5 $(AS) -o mach_dep.o $(srcdir)/sparc_mach_dep.s ./if_mach SPARC SUNOS4 $(AS) -o mach_dep.o $(srcdir)/sparc_sunos4_mach_dep.s @@ -312,20 +337,17 @@ cord/de$(EXE_SUFFIX): $(srcdir)/cord/de.c cord/cordbscs.o cord/cordxtra.o gc.a $ ./if_mach ALPHA LINUX $(CC) $(CFLAGS) -o cord/de $(srcdir)/cord/de.c cord/cordbscs.o cord/cordxtra.o gc.a -lcurses ./if_not_there cord/de$(EXE_SUFFIX) $(CC) $(CFLAGS) -o cord/de$(EXE_SUFFIX) $(srcdir)/cord/de.c cord/cordbscs.o cord/cordxtra.o gc.a $(CURSES) -if_mach$(EXE_SUFFIX): $(srcdir)/if_mach.c $(srcdir)/gcconfig.h +if_mach$(EXE_SUFFIX): $(srcdir)/if_mach.c $(srcdir)/include/private/gcconfig.h rm -f if_mach if_mach$(EXE_SUFFIX) $(CC) $(CFLAGS) -o if_mach $(srcdir)/if_mach.c - rm -f if_mach -threadlibs$(EXE_SUFFIX): $(srcdir)/threadlibs.c $(srcdir)/gcconfig.h Makefile +threadlibs$(EXE_SUFFIX): $(srcdir)/threadlibs.c $(srcdir)include/private/gcconfig.h Makefile rm -f threadlibs threadlibs$(EXE_SUFFIX) $(CC) $(CFLAGS) -o threadlibs $(srcdir)/threadlibs.c - rm -f threadlibs if_not_there$(EXE_SUFFIX): $(srcdir)/if_not_there.c rm -f if_not_there if_not_there$(EXE_SUFFIX) $(CC) $(CFLAGS) -o if_not_there $(srcdir)/if_not_there.c - rm -f if_not_there # Clean removes *.o several times, # because as the first one doesn't seem to get them all! @@ -352,7 +374,7 @@ gctest$(EXE_SUFFIX): test.o gc.a if_mach$(EXE_SUFFIX) if_not_there$(EXE_SUFFIX) # 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$(EXE_SUFFIX): $(srcdir)/setjmp_t.c $(srcdir)/gc.h \ +setjmp_test$(EXE_SUFFIX): $(srcdir)/setjmp_t.c $(srcdir)/include/gc.h \ if_mach$(EXE_SUFFIX) if_not_there$(EXE_SUFFIX) rm -f setjmp_test$(EXE_SUFFIX) $(CC) $(CFLAGS) -o setjmp_test $(srcdir)/setjmp_t.c @@ -377,21 +399,6 @@ gc.tar: $(SRCS) $(OTHER_FILES) add_gc_prefix 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 @@ -408,9 +415,6 @@ 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 @@ -422,15 +426,3 @@ 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 - |