The bug fix changes the FIO module to use the target O_RDONLY,
O_WRONLY, SEEK_SET and SEEK_END (now available from the module wrapc).
Also rebuilt are the bootstrap tools mc and pge as they have their
own wrapc and C translations of FIO.

gcc/m2/ChangeLog:

	PR modula2/113749
	* Make-lang.in (BUILD-PGE-O): Add m2/pge-boot/Gwrapc.o.
	* gm2-libs-ch/wrapc.c (wrapc_SeekSet): New function.
	(wrapc_SeekEnd): Ditto.
	(wrapc_ReadOnly): Ditto.
	(wrapc_WriteOnly): Ditto.
	* gm2-libs/FIO.mod (SEEK_SET): Remove.
	(SEEK_END): Remove.
	(UNIXREADONLY): Remove.
	(UNIXWRITEONLY): Remove.
	(ConnectToUnix): Replace UNIXWRITEONLY with a call to WriteOnly.
	Replace UNIXREADONLY with a call to ReadOnly.
	(SetPositionFromBeginning): Replace SEEK_SET with a call to
	SeekSet.
	(SetPositionFromEnd): Replace SEEK_END with a call to
	SeekEnd.
	* gm2-libs/wrapc.def (SeekSet): New procedure function.
	(SeekEnd): New procedure function.
	(ReadOnly): New procedure function.
	(WriteOnly): New procedure function.
	* mc-boot-ch/Glibc.c (BUILD_MC_LIBC_TRACE): Undef.
	(check_init): New function.
	(tracedb): Ditto.
	(tracedb_open): Ditto.
	(tracedb_result): Ditto.
	(libc_read): Ditto.
	(libc_write): Ditto.
	(libc_close): Ditto.
	(libc_creat): Ditto.
	(libc_open): Ditto.
	(libc_lseek): Ditto.
	* mc-boot-ch/Gwrapc.c (wrapc_SeekSet): New function.
	(wrapc_SeekEnd): Ditto.
	(wrapc_ReadOnly): Ditto.
	(wrapc_WriteOnly): Ditto.
	* mc-boot/GDynamicStrings.cc: Rebuilt.
	* mc-boot/GFIO.cc: Ditto.
	* mc-boot/GIndexing.cc: Ditto.
	* mc-boot/GM2Dependent.cc: Ditto.
	* mc-boot/GM2EXCEPTION.cc: Ditto.
	* mc-boot/GPushBackInput.cc: Ditto.
	* mc-boot/GRTExceptions.cc: Ditto.
	* mc-boot/GRTint.cc: Ditto.
	* mc-boot/GSArgs.cc: Ditto.
	* mc-boot/GStdIO.cc: Ditto.
	* mc-boot/GStringConvert.cc: Ditto.
	* mc-boot/GSysStorage.cc: Ditto.
	* mc-boot/Gdecl.cc: Ditto.
	* mc-boot/Gkeyc.cc: Ditto.
	* mc-boot/Glibc.h: Ditto.
	* mc-boot/GmcComment.cc: Ditto.
	* mc-boot/GmcComp.cc: Ditto.
	* mc-boot/GmcDebug.cc: Ditto.
	* mc-boot/GmcMetaError.cc: Ditto.
	* mc-boot/GmcStack.cc: Ditto.
	* mc-boot/GmcStream.cc: Ditto.
	* mc-boot/GnameKey.cc: Ditto.
	* mc-boot/GsymbolKey.cc: Ditto.
	* mc-boot/Gvarargs.cc: Ditto.
	* mc-boot/Gwrapc.h: Ditto.
	* mc/decl.mod (getSymName): Add pointerref clause.
	* mc/mcStream.mod (copy): Check for an error after every read.
	* mc/varargs.mod (copy): Rewrite pointer arithmetic using INC to
	avoid type incompatibility.
	* pge-boot/GDynamicStrings.cc: Rebuilt.
	* pge-boot/GDynamicStrings.h: Ditto.
	* pge-boot/GFIO.cc: Ditto.
	* pge-boot/GFIO.h: Ditto.
	* pge-boot/GIO.cc: Ditto.
	* pge-boot/GIndexing.cc: Ditto.
	* pge-boot/GM2Dependent.cc: Ditto.
	* pge-boot/GM2EXCEPTION.cc: Ditto.
	* pge-boot/GNameKey.cc: Ditto.
	* pge-boot/GPushBackInput.cc: Ditto.
	* pge-boot/GRTExceptions.cc: Ditto.
	* pge-boot/GStdIO.cc: Ditto.
	* pge-boot/GSymbolKey.cc: Ditto.
	* pge-boot/GSysStorage.cc: Ditto.
	* pge-boot/Glibc.h: Ditto.
	* pge-boot/Gwrapc.cc: Ditto.
	* pge-boot/Gwrapc.h: Ditto.

libgm2/ChangeLog:

	PR modula2/113749
	* libm2pim/wrapc.cc: Include fcntl.h.
	(SeekSet): New function.
	(SeekEnd): Ditto.
	(ReadOnly): Ditto.
	(WriteOnly): Ditto.

Signed-off-by: Gaius Mulley <gaiusmod2@gmail.com>