From f34cf28d62a251f4a129f141b8b21ba8d7effda6 Mon Sep 17 00:00:00 2001 From: Daniel Franke Date: Mon, 18 Aug 2008 16:46:08 -0400 Subject: re PR fortran/37032 (including "file.F90" - no CPP processing) 2008-08-18 Daniel Franke PR fortran/37032 * gfortran.texi: Document decision on include file handling in preprocessed files. From-SVN: r139215 --- gcc/fortran/gfortran.texi | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'gcc/fortran/gfortran.texi') diff --git a/gcc/fortran/gfortran.texi b/gcc/fortran/gfortran.texi index c79a70a407a..933ed45b5cd 100644 --- a/gcc/fortran/gfortran.texi +++ b/gcc/fortran/gfortran.texi @@ -401,6 +401,7 @@ Fortran compiler. @cindex FPP @cindex Conditional compilation @cindex Preprocessing +@cindex preprocessor, include file handling Many Fortran compilers including GNU Fortran allow passing the source code through a C preprocessor (CPP; sometimes also called the Fortran preprocessor, @@ -413,7 +414,11 @@ invoke the preprocessor on any file, use @option{-cpp}, to disable preprocessing on files where the preprocessor is run automatically, use @option{-nocpp}. -If the GNU Fortran invoked the preprocessor, @code{__GFORTRAN__} +If a preprocessed file includes another file with the Fortran @code{INCLUDE} +statement, the included file is not preprocessed. To preprocess included +files, use the equivalent preprocessor statement @code{#include}. + +If GNU Fortran invokes the preprocessor, @code{__GFORTRAN__} is defined and @code{__GNUC__}, @code{__GNUC_MINOR__} and @code{__GNUC_PATCHLEVEL__} can be used to determine the version of the compiler. See @ref{Top,,Overview,cpp,The C Preprocessor} for details. -- cgit v1.2.1