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Diffstat (limited to 'gnu/usr.bin/gcc/f/gbe/README')
| -rw-r--r-- | gnu/usr.bin/gcc/f/gbe/README | 64 |
1 files changed, 42 insertions, 22 deletions
diff --git a/gnu/usr.bin/gcc/f/gbe/README b/gnu/usr.bin/gcc/f/gbe/README index 0e7585f90c3..1752b600aed 100644 --- a/gnu/usr.bin/gcc/f/gbe/README +++ b/gnu/usr.bin/gcc/f/gbe/README @@ -1,33 +1,53 @@ -951118 - -This directory contains .diff files for various GNU CC distributions. -The name of a file tells which version to which it applies. Prior to -gcc version 2.7.1, g77 will not build without the appropriate .diff -file applied to the GNU CC distribution via patch. That is because -g77 needs certain changes to be made to the GNU CC back end, which -it shares with not only the C front end, but with other GNU front -ends (C++, Objective-C, Pascal, ADA, Chill, ...) as well. Version -2.7.1 of gcc includes the changes needed by g77 versions through 0.5.17. -Future versions of g77 might again require changes to versions 2.7.1, -and later versions, of gcc. +961207 + +This directory contains .diff files for various GNU CC distributions +supported by this version of GNU Fortran. + +The name of a file includes which gcc version to which it applies. +For example, 2.7.2.1.diff is the patch file for gcc version 2.7.2.1. + +To apply a .diff file to, say, gcc 2.7.2, one might use the following +command (where the current directory contains the gcc source distribution +after merging into it the g77 source distribution, which would be +named gcc-2.7.2 in this example): + + patch -p1 -d gcc-2.7.2 < gcc-2.7.2/f/gbe/2.7.2.diff + + +This version of g77 is best combined with gcc versions 2.7.2 or 2.7.2.1. + +However, note that applying the patch for version 2.7.2.1 +does _not_ update the gcc.info* files that constitute the Info +documentation for gcc. Therefore, after applying the 2.7.2.1.diff +patch to the gcc-2.7.2.1 source directory, you must rebuild the +Info documentation yourself via: + + cd gcc-2.7.2.1; make -f Makefile.in gcc.info + +If the above command doesn't work because you don't have makeinfo +installed, you are STRONGLY encouraged to obtain the most recent +version of the GNU texinfo package (texinfo-3.9.tar.gz as of this +writing), build, and install it, then try the above command (as +makeinfo is part of texinfo). + +(The 2.7.2.1 patch omits the gcc.info* patches because your gcc-2.7.2.1 +might have one of at least two different versions of these gcc.info* +files, depending on how you obtained the gcc source directory -- by +unpacking gcc-2.7.2.1.tar.gz directly, or by applying a patch to upgrade +a copy of gcc-2.7.2.) This distribution of g77 is not supported for versions of gcc prior to 2.6.2. The 2.6.3 patch file should work for version 2.6.2, but you should probably use gcc-2.6.3 in any case if that is possible. -To apply a .diff file to, say, gcc 2.7.0, one might use the following -command: - - patch -p1 -d gcc-2.7.0 < gcc-2.7.0/f/gbe/2.7.0.diff - If you are using a version of gcc more recent than the most recent .diff file's version, try the most recent .diff ONLY if the difference is in the third field. E.g. the above -patch might work on gcc-2.6.4 or gcc-2.6.5 if these were +patch might work on gcc-2.7.3 or gcc-2.7.4 if these were released. On the other hand, it probably wouldn't work for -a more major release like gcc-2.7.0 or gcc-3.0.0, and you +a more major release like gcc-2.8.0 or gcc-3.0.0, and you shouldn't try it. If the .diff file is missing, don't bother asking `fortran@gnu.ai.mit.edu' for it -- it is certainly -being worked on. In the meantime, watch the usual channels -(see gcc/f/DOC *TROUBLE (BUGS, ETC.)*) for information on -support for the new version of gcc. +being worked on. In the meantime, watch the usual place +(`info -f g77') for information on support for the recent +versions of gcc. |