[Bug fortran/31588] gfortran should be able to output Makefile dependencies with -M* options

["jvdelisle at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>]

------- Comment #18 from jvdelisle at gcc dot gnu dot org  2010-08-08 01:59 -------
Subject: Bug 31588

Author: jvdelisle
Date: Sun Aug  8 01:59:15 2010
New Revision: 162990

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=162990
Log:
2010-08-07  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/31588
        PR fortran/43954
        Backport from mainline:
        * gfortranspec.c (lang_specific_driver): Removed deprecation
        warning for -M.
        * lang.opt: Add options -M, -MM, -MD, -MMD, -MF, -MG, -MP, -MT, -MQ.
        * lang-specs.h (CPP_FORWARD_OPTIONS): Add -M* options.
        * cpp.h (gfc_cpp_makedep): New.
        (gfc_cpp_add_dep): New.
        (gfc_cpp_add_target): New.
        * cpp.c (gfc_cpp_option): Add deps* members.
        (gfc_cpp_makedep): New.
        (gfc_cpp_add_dep): New.
        (gfc_cpp_add_target): New.
        (gfc_cpp_init_options): Initialize new options.
        (gfc_cpp_handle_option): Handle new options.
        (gfc_cpp_post_options): Map new options to libcpp-options.
        (gfc_cpp_init): Handle deferred -MQ and -MT options.
        (gfc_cpp_done): If requested, write dependencies to file.
        * module.c (gfc_dump_module): Add a module filename as target.
        * scanner.c (open_included_file): New parameter system; add the
        included file as dependency.
        (gfc_open_included_file): Add the included file as dependency.
        (gfc_open_intrinsic_module): Likewise.
        * invoke.texi: Removed deprecation warning for -M.
        * gfortran.texi: Removed Makefile-dependencies project.

Modified:
    branches/gcc-4_4-branch/gcc/fortran/ChangeLog
    branches/gcc-4_4-branch/gcc/fortran/cpp.c
    branches/gcc-4_4-branch/gcc/fortran/cpp.h
    branches/gcc-4_4-branch/gcc/fortran/gfortran.texi
    branches/gcc-4_4-branch/gcc/fortran/gfortranspec.c
    branches/gcc-4_4-branch/gcc/fortran/invoke.texi
    branches/gcc-4_4-branch/gcc/fortran/lang-specs.h
    branches/gcc-4_4-branch/gcc/fortran/lang.opt
    branches/gcc-4_4-branch/gcc/fortran/module.c
    branches/gcc-4_4-branch/gcc/fortran/scanner.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31588