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Make-lang.in (f77.rebuilt): Fix to depend on build-dir-based, not source-based, g77.info.
Mon Jul 13 18:45:06 1998 Craig Burley <burley@gnu.org> * Make-lang.in (f77.rebuilt): Fix to depend on build-dir-based, not source-based, g77.info. * g77.texi: Merge docs with 0.5.24. * g77install.texi: Ditto. From-SVN: r21178
This commit is contained in:
Craig Burley
Dave Love
parent
4801aa8f37
commit
9a59ff4f47
@ -1,3 +1,11 @@
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Mon Jul 13 18:45:06 1998 Craig Burley <burley@gnu.org>
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* Make-lang.in (f77.rebuilt): Fix to depend on
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build-dir-based, not source-based, g77.info.
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* g77.texi: Merge docs with 0.5.24.
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* g77install.texi: Ditto.
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Mon Jul 13 18:02:29 1998 Craig Burley <burley@gnu.org>
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Cleanups vis-a-vis g77-0.5.24:
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@ -307,7 +307,7 @@ $(srcdir)/f/NEWS: f/news0.texi f/news.texi
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cd $(srcdir)/f; $(MAKEINFO) -D NEWSONLY --no-header --no-split \
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--no-validate -o NEWS news0.texi
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f77.rebuilt: $(srcdir)/f/g77.info $(srcdir)/f/BUGS $(srcdir)/f/INSTALL \
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f77.rebuilt: f/g77.info $(srcdir)/f/BUGS $(srcdir)/f/INSTALL \
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$(srcdir)/f/NEWS
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#
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@ -14,8 +14,12 @@
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@c %**start of header
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@setfilename g77.info
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@set last-up-date 1998-05-29
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@set last-up-date 1998-07-13
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@set version-g77 0.5.23
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@set email-general egcs@@cygnus.com
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@set email-bugs egcs-bugs@@cygnus.com
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@set path-g77 egcs/gcc/f
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@set path-libf2c egcs/libf2c
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@c @setfilename useg77.info
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@c @setfilename portg77.info
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@ -819,7 +823,7 @@ Work is needed on documentation, testing, porting
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to various machines, and in some cases, coding (although major
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changes planned for version 0.6 make it difficult to add manpower to this
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area).
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Email @email{egcs@@cygnus.com} to volunteer for this work.
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Email @email{@value{email-general}} to volunteer for this work.
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@xref{Funding,,Funding Free Software}, for more information.
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@ -1564,13 +1568,14 @@ and when the resulting commands compile Fortran source files.)
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@cindex -fset-g77-defaults option
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@cindex options, -fset-g77-defaults
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@item -fset-g77-defaults
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@emph{Version info:}
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This option is obsolete in @code{egcs}
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as of version 1.1.
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Set up whatever @code{gcc} options are to apply to Fortran
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compilations, and avoid running internal consistency checks
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that might take some time.
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As of version 0.5.20, this is equivalent to @samp{-fmove-all-movables
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-freduce-all-givs -frerun-loop-opt -fargument-noalias-global}.
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This option is supplied automatically when compiling Fortran code
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via the @code{g77} or @code{gcc} command.
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The description of this option is provided so that users seeing
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@ -2716,6 +2721,10 @@ Improves performance on some code.
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@item -fno-rerun-loop-opt
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@cindex -fno-rerun-loop-opt option
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@cindex options, -fno-rerun-loop-opt
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@emph{Version info:}
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These options are not supported by
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versions of @code{g77} based on @code{gcc} version 2.8.
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Each of these might improve performance on some code.
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Analysis of Fortran code optimization and the resulting
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@ -3163,6 +3172,10 @@ the programs you compile before assuming they are working.
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@item -fargument-alias
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@item -fargument-noalias
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@item -fno-argument-noalias-global
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@emph{Version info:}
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These options are not supported by
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versions of @code{g77} based on @code{gcc} version 2.8.
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These options specify to what degree aliasing
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(overlap)
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is permitted between
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@ -3297,6 +3310,43 @@ or, if you cannot do that, email
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@email{fortran@@gnu.org} asking for a recent copy of the
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GNU Fortran @file{.plan} file.
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@heading In @code{egcs} 1.1:
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@itemize @bullet
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@item
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@code{g77} now treats @samp{%LOC(@var{expr})} and
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@samp{LOC(@var{expr})} as ``ordinary'' expressions
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when they are used as arguments in procedure calls.
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This change applies only to global (filewide) analysis,
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making it consistent with
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how @code{g77} actually generates code
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for these cases.
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Previously, @code{g77} treated these expressions
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as denoting special ``pointer'' arguments
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for the purposes of filewide analysis.
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@item
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The @code{g77} driver now ensures that @samp{-lg2c}
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is specified in the link phase prior to any
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occurrence of @samp{-lm}.
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This prevents accidentally linking to a routine
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in the SunOS4 @samp{-lm} library
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when the generated code wants to link to the one
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in @code{libf2c} (@code{libg2c}).
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@item
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The F90 @samp{DATE_AND_TIME} intrinsic now is
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supported.
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@item
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The F90 @samp{SYSTEM_CLOCK} intrinsic allows
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the optional arguments (except for the @samp{Count}
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argument) to be omitted.
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@item
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Upgrade to @code{libf2c} as of 1998-06-18.
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@end itemize
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@heading In 0.5.23:
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@itemize @bullet
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@item
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@ -8294,10 +8344,10 @@ This might change in future versions of @code{g77},
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with appropriate notification in the release notes.
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For more information, consult the source code for the above routines.
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These are in @file{egcs/libf2c/libF77/}, named @file{main.c},
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These are in @file{@value{path-libf2c}/libF77/}, named @file{main.c},
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@file{setarg.c}, @file{setsig.c}, @file{getarg_.c}, and @file{iargc_.c}.
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Also, the file @file{egcs/gcc/f/com.c} contains the code @code{g77}
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Also, the file @file{@value{path-g77}/com.c} contains the code @code{g77}
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uses to open-code (inline) references to @code{IARGC}.
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@include g77install.texi
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@ -8387,7 +8437,7 @@ However, if you don't intend to use @code{g77} (or @code{f2c}) to compile
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your main program unit---that is, if you intend to compile a @code{main()}
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procedure using some other language---you should carefully
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examine the code for @code{main()} in @code{libg2c}, found in the source
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file @file{gcc/f/runtime/libF77/main.c}, to see what kinds of things
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file @file{@value{path-libf2c}/libF77/main.c}, to see what kinds of things
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might need to be done by your @code{main()} in order to provide the
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Fortran environment your Fortran code is expecting.
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@ -8462,7 +8512,7 @@ The second argument is appended to the end of the user-specified
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calling sequence and is named @samp{__g77_length_@var{x}}, where @var{x}
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is the user-specified name.
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This argument is of the C type @code{ftnlen}
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(see @file{egcs/libf2c/g2c.h.in} for information on that type) and
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(see @file{@value{path-libf2c}/g2c.h.in} for information on that type) and
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is the number of characters the caller has allocated in the
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array pointed to by the first argument.
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@ -10760,7 +10810,7 @@ ebadexec: file: a.out appears to be executable
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%
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@end smallexample
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Browsing through @file{gcc/f/Makefile.in},
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Browsing through @file{@value{path-g77}/Makefile.in},
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you will find that the @code{f771} program itself also has to be
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linked with these flags---it has large statically allocated
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data structures.
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@ -12705,8 +12755,8 @@ exposes it more readily than other compilers.
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@node Bug Lists
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@section Where to Report Bugs
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@cindex bug report mailing lists
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@kindex egcs-bugs@@cygnus.com
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Send bug reports for GNU Fortran to @email{egcs-bugs@@cygnus.com}.
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@kindex @value{email-bugs}
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Send bug reports for GNU Fortran to @email{@value{email-bugs}}.
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Often people think of posting bug reports to a newsgroup instead of
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mailing them.
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@ -13042,7 +13092,7 @@ we should be able to reproduce the crash ourselves.
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If you would like to write bug fixes or improvements for the GNU Fortran
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compiler, that is very helpful.
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Send suggested fixes to the bug report
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mailing list, @email{egcs-bugs@@cygnus.com}.
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mailing list, @email{@value{email-bugs}}.
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Please follow these guidelines so we can study your patches efficiently.
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If you don't follow these guidelines, your information might still be
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@ -13167,7 +13217,7 @@ The service directory is found in the file named @file{SERVICE} in the
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GNU CC distribution.
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@item
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Send a message to @email{egcs@@cygnus.com}.
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Send a message to @email{@value{email-general}}.
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@end itemize
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@end ifset
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@ -13197,7 +13247,7 @@ when compiling most any kind of program.
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@end itemize
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@emph{Fortran options} are listed in the file
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@file{gcc/f/lang-options.h},
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@file{@value{path-g77}/lang-options.h},
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which is used during the build of @code{gcc} to
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build a list of all options that are accepted by
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at least one language's compiler.
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@ -13206,7 +13256,7 @@ in @file{gcc/toplev.c}, which uses this array to
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determine whether a particular option should be
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offered to the linked-in front end for processing
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by calling @samp{lang_option_decode}, which, for
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@code{g77}, is in @file{gcc/f/com.c} and just
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@code{g77}, is in @file{@value{path-g77}/com.c} and just
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calls @samp{ffe_decode_option}.
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If the linked-in front end ``rejects'' a
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@ -13230,14 +13280,14 @@ a warning about this would be helpful if it were
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possible.
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Code that processes Fortran options is found in
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@file{gcc/f/top.c}, function @samp{ffe_decode_option}.
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@file{@value{path-g77}/top.c}, function @samp{ffe_decode_option}.
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This code needs to check positive and negative forms
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of each option.
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The defaults for Fortran options are set in their
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global definitions, also found in @file{gcc/f/top.c}.
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global definitions, also found in @file{@value{path-g77}/top.c}.
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Many of these defaults are actually macros defined
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in @file{gcc/f/target.h}, since they might be
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in @file{@value{path-g77}/target.h}, since they might be
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machine-specific.
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However, since, in practice, GNU compilers
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should behave the same way on all configurations
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@ -13247,7 +13297,7 @@ is likely to be deprecated and, ultimately, stopped
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in future versions of @code{g77}.
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Accessor macros for Fortran options, used by code
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in the @code{g77} FFE, are defined in @file{gcc/f/top.h}.
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in the @code{g77} FFE, are defined in @file{@value{path-g77}/top.h}.
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@emph{Compiler options} are listed in @file{gcc/toplev.c}
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in the array @samp{f_options}.
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@ -13264,21 +13314,21 @@ the way @code{f771} handles the @samp{-fset-g77-defaults}
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option, which is always provided as the first option when
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called by @code{g77} or @code{gcc}.
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This code is in @samp{ffe_decode_options} in @file{gcc/f/top.c}.
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This code is in @samp{ffe_decode_options} in @file{@value{path-g77}/top.c}.
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Have it change just the variables that you want to default
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to a different setting for Fortran compiles compared to
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compiles of other languages.
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The @samp{-fset-g77-defaults} option is passed to @code{f771}
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automatically because of the specification information
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kept in @file{gcc/f/lang-specs.h}.
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kept in @file{@value{path-g77}/lang-specs.h}.
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This file tells the @code{gcc} command how to recognize,
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in this case, Fortran source files (those to be preprocessed,
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and those that are not), and further, how to invoke the
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appropriate programs (including @code{f771}) to process
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those source files.
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It is in @file{gcc/f/lang-specs.h} that @samp{-fset-g77-defaults},
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It is in @file{@value{path-g77}/lang-specs.h} that @samp{-fset-g77-defaults},
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@samp{-fversion}, and other options are passed, as appropriate,
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even when the user has not explicitly specified them.
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Other ``internal'' options such as @samp{-quiet} also
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@ -5,9 +5,9 @@
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@c The text of this file appears in the file INSTALL
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@c in the G77 distribution, as well as in the G77 manual.
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@c 1998-05-29
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@c 1998-07-13
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@set version-g77 0.5.23
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@set version-g77 0.5.24
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@set version-gcc 2.8.1
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@set version-autoconf 2.12
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@set version-bison 1.25
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@ -59,6 +59,7 @@ are ongoing.
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@section Prerequisites
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@cindex prerequisites
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@emph{Version info:}
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For @code{egcs} users, the following information is
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superceded by the @code{egcs} installation instructions.
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@ -414,6 +415,7 @@ is not yet established.
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@cindex ld can't find _strtoul
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@cindex SunOS4
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@emph{Version info:}
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The following information does not apply to the
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@code{egcs} version of @code{g77}.
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@ -815,6 +817,7 @@ systems.
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@section Quick Start
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@cindex quick start
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@emph{Version info:}
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For @code{egcs} users, the following information is
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superceded by the @code{egcs} installation instructions.
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@ -1098,6 +1101,7 @@ Removing them can free up a lot of disk space.
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@node Complete Installation
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@section Complete Installation
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@emph{Version info:}
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For @code{egcs} users, the following information is
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mostly superceded by the @code{egcs} installation instructions.
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