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+@node GNU Fortran Compiler Directives +@section GNU Fortran Compiler Directives + +The Fortran standard as the C standard describe how a conforming +program shall behave; however, the exact implementation is not +standarized. In order to allow the user to choose the implementation +choices, compiler directives can be used to set attributes of +variables which are not part of the standard. Whether a given +attribute is supported and its exact effects depend on both the +operating system and on the processor; see +@ref{Top,,C Extensions,gcc,Using the GNU Compiler Collection (GCC)} +for details.
s/describe/&s/ s/standarized/standardized/
+On some systems, procedures and global variables (module variables and +@code{COMMON} blocks) need to be handled specially to be accessible, +when they are in a shared library. The following attributes are available
+For procedures, the compiler directives shall be placed into the body +of the procedure, for variables and procedure pointers the shall be in +the same declaration part as the variable or procedure pointer.
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