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re PR fortran/33152 (Initialization/declaration problems in block data)

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2007-11-25  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/33152
	* gfortran.texi: Document default forms assumed for various file
	extensions.

From-SVN: r130409
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Jerry DeLisle 2007-11-25 15:57:55 +00:00
parent b5dcec1e25
commit 48d5fab493
2 changed files with 16 additions and 3 deletions
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6
gcc/fortran/ChangeLog
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@ -1,3 +1,9 @@
2007-11-25 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/33152
* gfortran.texi: Document default forms assumed for various file
extensions.
2007-11-25 Paul Thomas <pault@gcc.gnu.org>
PR fortran/33499

13
gcc/fortran/gfortran.texi
View file

@ -374,6 +374,13 @@ and compile it accordingly. A @command{gfortran} driver program is also
provided, which is identical to @command{gcc} except that it automatically
links the Fortran runtime libraries into the compiled program.
Source files with @file{.f}, @file{.for}, @file{.fpp}, @file{.ftn}, @file{.F},
@file{.FOR}, @file{.FPP}, and @file{.FTN} extensions are treated as fixed form.
Source files with @file{.f90}, @file{.f95}, @file{.f03}, @file{.F90},
@file{.F95}, and @file{.F03} extensions are treated as free form. The
capitalized versions of either form are run through preprocessing. Source files
with the lower case @file{.fpp} extension are also run through preprocessing.
This manual specifically documents the Fortran front end, which handles
the programming language's syntax and semantics. The aspects of GCC
which relate to the optimization passes and the back-end code generation
@ -394,9 +401,9 @@ Fortran compiler.
@cindex Conditional compilation
@cindex Preprocessing
Many Fortran compilers including GNU Fortran allow to pass the source code
through a C preprocessor (CPP; sometimes also called Fortran preprocessor,
FPP) to allow for conditional compilation. In case of GNU Fortran
Many Fortran compilers including GNU Fortran allow passing the source code
through a C preprocessor (CPP; sometimes also called the Fortran preprocessor,
FPP) to allow for conditional compilation. In the case of GNU Fortran,
this is the GNU C Preprocessor in the traditional mode. On systems with
case-preserving file names, the preprocessor is automatically invoked if the
file extension is @code{.F}, @code{.FOR}, @code{.FTN}, @code{.F90},