This is a beta release of a completely rewritten binutils distribution. (Rewritten since binutils 1.x, that is.) The linker (ld) has been moved into a separate directory, which should be ../ld. Linker-specific notes are in ../ld/README. As of version 2.5, the assembler (as) is also included in this package, in ../gas. Assembler-specific notes can be found in ../gas/README. Recent changes are in ./NEWS, ../ld/NEWS, and ../gas/NEWS. Unpacking and Installation -- quick overview ============================================ When you unpack the binutils-2.8.tar.gz file, you'll get a directory called something like `binutils-2.8', which contains various files and directories. Most of the files in the top directory are for information and for configuration. The actual source code is in subdirectories. To build binutils, you can just do: cd binutils-2.8 ./configure [ --enable-targets='target1,target2...' ] make make install # copies the programs files into /usr/local/bin # by default. This will configure and build all the libraries as well as the assembler, the binutils, and the linker. The --enable-targets option adds support for more binary file formats besides the default. By default, support for only the selected target file format is compiled in. To add support for more formats, list them as the argument to --enable-targets, separated by commas. For example: ./configure --enable-targets=sun3,rs6000-aix,decstation The name 'all' compiles in support for all valid BFD targets (this was the default in releases before 2.3): ./configure --enable-targets=all The binutils can be used in a cross-development environment. The file etc/configure.texi contains more information. You can also specify the --enable-shared option when you run configure. This will build the BFD and opcodes libraries as shared libraries. This will only work on certain systems, and currently will only work when compiling with gcc. You can use arguments with the --enable-shared option to indicate that only certain libraries should be built shared; for example, --enable-shared=bfd. The only potential shared libraries in a binutils release are bfd and opcodes. The binutils will be linked against the shared libraries. The build step will attempt to place the correct library in the runtime search path for the binaries. However, in some cases, after you install the binaries, you may have to set an environment variable, normally LD_LIBRARY_PATH, so that the system can find the installed libbfd shared library. If you specify --enable-commonbfdlib as well as --enable-shared, then a single shared library will be built containing the bfd, opcodes, and libiberty libraries. It will be installed as libbfd. This option will make the binutils programs as small as possible. To build under openVMS/AXP, see the file makefile.vms in the top level directory. If you don't have ar ==================== If your system does not already have an ar program, the normal binutils build process will not work. In this case, run configure as usual. Before running make, run this script: #!/bin/sh MAKE=${MAKE-make} ${MAKE} $* AR=true all-libiberty ${MAKE} $* AR=true all-bfd cd binutils ${MAKE} $* ADDL_DEPS='$(BULIBS)' ADDL_LIBS='$(BULIBS) ../bfd/*.o `cat ../libiberty/required-list ../libiberty/needed-list | sed -e "s,\([^ ][^ ]*\),../libiberty/\1,g"`' ar This script will build an ar program in binutils/ar. Move binutils/ar into a directory on your PATH. After doing this, you can run make as usual to build the complete binutils distribution. You do not need the ranlib program in order to build the distribution. Porting ======= Binutils-2.8 supports many different architectures, but there are many more not supported, including some that were supported by earlier versions. We are hoping for volunteers to improve this situation. The major effort in porting binutils to a new host and/or target architecture involves the BFD library. There is some documentation in ../bfd/doc. The file ../gdb/doc/gdbint.texinfo (distributed with gdb-4.x) may also be of help. Reporting bugs ============== Send bug reports and patches to bug-gnu-utils@prep.ai.mit.edu. Always mention the version number you are running; this is printed by running any of the binutils with the --version option. We appreciate reports about bugs, but we do not promise to fix them.