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Loren J. Rittle ddf1e65262 porting.texi: Add documentation about libstdc++-v3-specific macros that are currently...
libstdc++/2071
	* porting.texi: Add documentation about libstdc++-v3-specific
	macros that are currently included in os_defines.h files.

	* config/basic_file_stdio.h (sys_getc): New method.
	(sys_ungetc): New method.
	* include/bits/basic_file.h: (sys_getc): New method signature.
	(sys_ungetc): New method signature.

	* include/bits/fstream.tcc (underflow): Add conditional code
	paths which avoid using short seeks on streams (especially
	useful when the stream might be interactive or a pipe).  At
	the moment, this alternate path only avoids seeking when the
	``buffer size'' of underflow() is 1 since the C standard only
	guarantees buffer space for one ungetc (this technique could
	be extended since *-*-solaris* supports buffering for 4 calls
	to ungetc and *-*-*bsd* supports buffering limited only by
	memory resources).  Also, _GLIBCPP_AVOID_FSEEK must be defined
	in a port's os_defines.h file for this alternate path to even
	be considered.  As a bonus, the idiom of using getc/ungetc
	requires no system calls whereas fseek maps to one or two
	system call(s) on many platforms.

	* config/os/bsd/freebsd/bits/os_defines.h (_GLIBCPP_AVOID_FSEEK):
	Define it.
	* config/os/solaris/solaris2.5/bits/os_defines.h
	(_GLIBCPP_AVOID_FSEEK): Likewise.
	* config/os/solaris/solaris2.6/bits/os_defines.h
	(_GLIBCPP_AVOID_FSEEK): Likewise.
	* config/os/solaris/solaris2.7/bits/os_defines.h
	(_GLIBCPP_AVOID_FSEEK): Likewise.

From-SVN: r43278
2001-06-12 23:09:09 +00:00
boehm-gc configure.in (AC_EXEEXT): Work around in case it expands to nothing, as in autoconf 2.50. 2001-06-09 21:29:08 +00:00
config * mt-linux (CXXFLAGS_FOR_TARGET): Lose -fvtable-thunks. 2001-05-21 21:17:23 -04:00
contrib * analyze_brprob: New file. 2001-06-12 10:39:42 +00:00
fastjar * Makefile.am (bin_PROGRAMS): Renamed from "fastjar" to "jar". 2001-05-17 10:02:03 -07:00
gcc gcc.texi: Change the font used for @def... 2001-06-12 23:40:00 +01:00
include * partition.h: Fix misspelling of `implementation'. 2001-05-16 21:00:55 +00:00
INSTALL * INSTALL/README: egcs -> GCC update. 2000-09-18 15:38:48 +00:00
libchill Makefile.in (STROBJS): Get memmove.o from configure. 2000-05-31 16:54:07 -07:00
libf2c Daily bump. 2001-06-12 07:16:10 +00:00
libffi osf.S (__FRAME_BEGIN__): Conditionalize for ELF. 2001-06-12 19:14:04 +00:00
libiberty Add GNATS ID. 2001-06-12 05:08:23 +00:00
libjava exception.cc (cstdlib): Replaces stdlib.h. 2001-06-10 13:59:37 -07:00
libobjc configure.in (AC_EXEEXT): Work around in case it expands to nothing, as in autoconf 2.50. 2001-06-09 20:32:56 +00:00
libstdc++-v3 porting.texi: Add documentation about libstdc++-v3-specific macros that are currently... 2001-06-12 23:09:09 +00:00
maintainer-scripts update_web_docs: Only update the install documentation for the CVS HEAD. 2001-06-08 06:27:47 +00:00
zlib configure.in (AC_EXEEXT): Work around in case it expands to nothing, as in autoconf 2.50. 2001-06-09 20:31:13 +00:00
.cvsignore merge with /cvs/src 2000-07-22 04:08:22 -04:00
ChangeLog MAINTAINERS (Write After Approval): Add myself. 2001-06-11 21:49:05 +00:00
config-ml.in * config-ml.in: Handle GCJ and GCJFLAGS. 2001-03-21 23:55:58 +00:00
config.guess config.guess: Import CVS version 1.195. 2001-06-09 18:50:20 +00:00
config.if * config.if: Assume enable_libstdcxx_v3 is defined. 2001-02-05 11:02:20 +00:00
config.sub config.guess: Import CVS version 1.195. 2001-06-09 18:50:20 +00:00
configure Fix typo applying previous patch. 2001-05-23 17:24:49 +00:00
configure.in configure.in (libstdcxx_flags): Do not try to execute libstdc++-v3/testsuite_flags until it exists. 2001-06-01 09:14:43 +00:00
COPYING COPYING: Update to current ftp://ftp.gnu.org/pub/gnu/Licenses/COPYING-2.0 (fixes... 2000-12-18 21:47:20 +00:00
COPYING.LIB COPYING.LIB: Update to LGPL 2.1 from the FSF. 2001-01-29 13:32:47 +00:00
install-sh Final changes from devo<->egcs merge. 1998-10-12 04:44:57 -06:00
libtool.m4 ltconfig, [...]: Upgraded to libtool 1.4a 1.641.2.254. 2001-05-20 18:55:59 +00:00
ltcf-c.sh ltcf-c.sh (archive_cmds, [...]): Use `gcc -shared' to build a shared library. 2001-06-04 19:33:03 +00:00
ltcf-cxx.sh ltcf-cxx.sh (osf3/osf4/osf5): Support creation of C++ shared libraries when using g++ with native linker. 2001-05-28 21:03:21 +00:00
ltcf-gcj.sh ltconfig, [...]: Upgraded to libtool 1.4a 1.641.2.254. 2001-05-20 18:55:59 +00:00
ltconfig * ltconfig, ltmain.sh: Upgrade to libtool 1.4a 1.641.2.256. 2001-05-28 20:49:42 +00:00
ltmain.sh * ltconfig, ltmain.sh: Upgrade to libtool 1.4a 1.641.2.256. 2001-05-28 20:49:42 +00:00
MAINTAINERS MAINTAINERS (Write After Approval): Add myself. 2001-06-11 21:49:05 +00:00
Makefile.in Makefile.in (AS_FOR_TARGET, [...]): If gcc/xgcc is built, use -print-prog-name to find out the program name to use. 2001-06-08 03:21:07 +00:00
missing merge with /cvs/src 2000-07-22 04:08:22 -04:00
mkdep merge with /cvs/src 2000-07-22 04:08:22 -04:00
mkinstalldirs
move-if-change FSF address fix in copyright header. 1999-01-11 07:12:18 -07:00
README
symlink-tree Makefile.in: handle DOS-style absolute paths. 2000-12-09 11:06:19 -05:00
ylwrap ylwrap: Change absolute path checks to check for DOS style path names. 1998-10-08 17:26:54 -06:00

		   README for GNU development tools

This directory contains various GNU compilers, assemblers, linkers, 
debuggers, etc., plus their support routines, definitions, and documentation.


Check the INSTALL directory for detailed configuration and installation
instructions.


Much of the code and documentation enclosed is copyright by
the Free Software Foundation, Inc.  See the file COPYING or
COPYING.LIB in the various directories, for a description of the
GNU General Public License terms under which you can copy the files.

REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info
on where and how to report problems.