[SCM] make branch, master, updated. moved-to-git-51-ga66469e

[Eli Zaretskii]

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- Log -----------------------------------------------------------------
commit a66469e003526679b793f2d4623219aab2230b2f
Author: Eli Zaretskii <address@hidden>
Date:   Fri May 3 16:09:12 2013 +0300

    Fix interfacing with and remaking dynamic objects on MS-Windows.
    
     load.c (load_object, load_file): Accept an additional argument
     DLP and return in it a pointer that can be used to unload the
     dynamic object.
     read.c (eval): Call load_file with an additional argument, and
     record the pointer returned there in the 'struct file' object of
     dynamic objects in that object's 'struct file'.
     commands.c (execute_file_commands): Unload dynamic objects
     before remaking them, to avoid failure to remake if the OS doesn't
     allow overwriting objects that are in use.
     filedef.h (struct file): New member dlopen_ptr.
     gnumake.h (GMK_EXPORT): Define to dllexport/dllimport
     decorations for Windows and to nothing on other platforms.
     (gmk_eval, gmk_expand, gmk_add_function): Add GMK_EXPORT qualifier
     to prototypes.
     makeint.h (MAIN): Define before including gnumake.h, to give
     correct dllexport decorations to exported functions.
     (load_file): Adjust prototype.
     loadapi.c: Don't include gnumake.h, since makeint.h already
     includes it, and takes care of defining MAIN before doing so.
     build_w32.bat (LinkGCC): Produce an import library for functions
     exported by Make for loadable dynamic objects.
    
     w32/compat/posixfcn.c (dlclose): New function.
     w32/include/dlfcn.h (dlclose): Add prototype.
    
     scripts/features/load: Fix signatures of testload_gmk_setup and
     explicit_setup, to bring them in line with the documentation.

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                   |   35 +++++++++++++++++++++++++++++++++++
 build_w32.bat               |    4 +++-
 commands.c                  |    8 ++++++++
 filedef.h                   |    2 ++
 gnumake.h                   |   21 ++++++++++++++++-----
 load.c                      |   21 ++++++++++++---------
 loadapi.c                   |    2 --
 makeint.h                   |    9 +++++++--
 read.c                      |    4 +++-
 tests/ChangeLog             |    5 +++++
 tests/scripts/features/load |    4 ++--
 w32/compat/posixfcn.c       |   11 +++++++++++
 w32/include/dlfcn.h         |    1 +
 13 files changed, 105 insertions(+), 22 deletions(-)


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