Objective-C source code. Note that you must link with the library
@file{libobjc.a} to make an Objective-C program work.
+@item @var{file}.mi
+Objective-C source code which should not be preprocessed.
+
@item @var{file}.h
C header file (not to be compiled or linked).
@item @var{file}.cc
+@itemx @var{file}.cp
@itemx @var{file}.cxx
@itemx @var{file}.cpp
+@itemx @var{file}.c++
@itemx @var{file}.C
C++ source code which must be preprocessed. Note that in @samp{.cxx},
the last two letters must both be literally @samp{x}. Likewise,
@samp{.C} refers to a literal capital C.
+@item @var{file}.f
+@itemx @var{file}.for
+@itemx @var{file}.FOR
+Fortran source code which should not be preprocessed.
+
+@item @var{file}.F
+@itemx @var{file}.fpp
+@itemx @var{file}.FPP
+Fortran source code which must be preprocessed (with the traditional
+preprocessor).
+
+@item @var{file}.r
+Fortran source code which must be preprocessed with a RATFOR
+preprocessor (not included with GCC).
+
+@xref{Overall Options,,Options Controlling the Kind of Output, g77,
+Using and Porting GNU Fortran}, for more details of the handling of
+Fortran input files.
+
+@c FIXME: Descriptions of Java file types.
+@c @var{file}.java
+@c @var{file}.class
+@c @var{file}.zip
+@c @var{file}.jar
+
+@c GCC also knows about some suffixes for languages not yet included:
+@c Ada:
+@c @var{file}.ads
+@c @var{file}.adb
+@c @var{file}.ada
+@c Pascal:
+@c @var{file}.p
+@c @var{file}.pas
+
+@item @var{file}.ch
+@itemx @var{file}.chi
+CHILL source code (preprocessed with the traditional preprocessor).
+
@item @var{file}.s
Assembler code.
name suffix). This option applies to all following input files until
the next @samp{-x} option. Possible values for @var{language} are:
@example
-c objective-c c++
-c-header cpp-output c++-cpp-output
+c c-header cpp-output
+c++ c++-cpp-output
+objective-c objc-cpp-output
assembler assembler-with-cpp
+f77 f77-cpp-input ratfor
+java chill
@end example
+@c Also f77-version, for internal use only.
@item -x none
Turn off any specification of a language, so that subsequent files are