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If a loaded object defines a symbol <object>_gmk_unload, assume it's
a function and invoke it whenever the loaded object is unloaded.
Original implementation by Dmitry Goncharov <dgoncharov@users.sf.net>
* NEWS: Announce the change.
* doc/make.texi: Describe the behavior.
* src/gnumake.h: Add information to the comments.
* src/makeint.h (unload_all): Declare a new function.
* src/main.c (die): Invoke unload_all().
* src/load.c (unload_func_t): Declare a new type for unload.
(struct load_list): Remember the unload symbol if it exists.
(load_object): Move the parsing of the object name from load_file.
Check for the _gmk_unload symbol and if found, remember it.
(load_file): Allow load_object to do object filename parsing.
(unload_file): Remove the load_list entry when unloading the object.
(unload_all): Unload all the loaded objects.
* tests/scripts/features/loadapi: Test the unload function.
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Add an ABI version both to the header file and passed to the setup
function. Unfortunately this itself is an ABI break and I couldn't
find a good way to avoid it.
* NEWS: Announce the ABI is not a preview and the incompatibility.
* doc/make.texi: Remove the preview warnings for object loading.
Document the new ABI version argument.
* src/gnumake.h (GMK_ABI_VERSION): Set the ABI version to 1.
Add comments documenting the format of the setup function.
* src/load.c (setup_func_t): Rename from load_func_t.
(load_file): Pass the ABI version to the setup function.
* tests/scripts/features/load: Rework the setup function.
* tests/scripts/features/loadapi: Ditto.
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The GNU platform testers reported a number of test errors on
different systems; try to address them.
* tests/thelp.pl: A number of tests timed out with a 4-second
timeout. Increase the default timeout to 10 seconds.
* tests/run_make_tests.pl: Executing directories on cygwin behaves
differently in Perl than make so skip these tests there.
* tests/scripts/options/symlinks: Check for the symlink feature
in make, rather than whether the system supports them.
* tests/scripts/features/implicit_search: On some systems "false"
exits with a different exit code. Use the helper instead.
* tests/scripts/features/loadapi: Ditto.
* tests/scripts/features/output-sync: Sleep before make -f bar in
the first test as well as the second one.
* tests/scripts/features/exec: Skip on cygwin, which seems to
be "UNIX" but where scripts don't run normally.
* tests/scripts/misc/fopen-fail: Skip on cygwin, where make
eventually exits with exit code 0 and no error messages.
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* src/read.c (eval): Initialize the goaldep floc pointer.
* tests/scripts/features/loadapi: Verify that the floc is set after
unloading and reloading dynamic objects.
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If makefile rules do not update an unloaded shared object, load it
again. Avoid double loading of the same object if the setup function
returns -1.
* src/filedef.h (struct file): Add "unloaded" flag.
* src/makeint.h (load_file): Take struct file *.
(unload_file): Return int.
* src/main.c (main): Reload unloaded shared objects if they weren't
updated.
* src/commands.c (execute_file_commands): Set "unloaded" and reset
"loaded" when a shared object is unloaded.
* src/read.c (eval): Set "loaded" and reset "unloaded" when a shared
object is loaded. Add successfully loaded files to the db.
* src/load.c (load_file): Check "loaded" to avoid double loading the
same object. Fix a memory leak of string loaded. Return -1, rather
than 1, if the object is already loaded. This fixes double loading of
the same object when the setup routine returns -1.
(load_object): Add a log message.
(unload_file): Return an error on dlclose failure. Log a message.
* tests/scripts/features/loadapi: Add new tests.
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* tests/config-flags.pm.W32: Create a predefined Windows file.
* Makefile.am (test_FILES): Add it to the distribution.
* build_w32.bat: Install tests/config-flags.pm if not existing.
* tests/run_make_tests.pl (get_config): Create new function.
* tests/scripts/features/archives: Call get_config() rather than
using %CONFIG_FLAGS directly.
* tests/scripts/features/load: Ditto.
* tests/scripts/features/loadapi: Ditto.
* tests/scripts/functions/wildcard: Ditto.
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Move the source code (other than glob) into the "src" subdirectory.
Update all scripting and recommendations to support this change.
* *.c, *.h, w32/*: Move to src/
* configure.ac, Makefile.am, maintMakefile: Locate new source files.
* Basic.mk.template, mk/*: Update for new source file locations.
* NEWS, README.DOS.template: Update for new locations.
* build.template, build_w32.bat, builddos.bat: Ditto.
* po/POTFILES.in: Ditto
* tests/run_make_tests.pl, tests/scripts/features/load*: Ditto.
* make.1: Move to doc.
* mk/VMS.mk: Add support for building on VMS (hopefully).
* makefile.vms, prepare_w32.bat: Remove.
* SCOPTIONS: Update to define HAVE_CONFIG_H
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Over time the non-standard build and install systems (nmake files,
smake files, Visual Studio project files, etc.) have atrophied and
maintaining them is not worth the effort, for such a simple utility
as make. Remove all the non-standard build tool support and unify
OS-specific build rules under a basic set of (GNU make) makefiles.
Preserve the existing bootstrapping scripts (for POSIX, Windows,
and MS-DOS). Also the existing VMS build scripts are left unchanged:
I don't have enough experience with VMS to venture into this area.
Perhaps one of the VMS maintainers might like to determine whether
conversion would be appropriate.
Rather than create libraries for w32 and glob (non-POSIX), simply
link the object files directly to remove the complexity.
* NEWS: Update with user-facing notes.
* Makefile.am: Clean up to use the latest automake best practices.
Build Windows code directly from the root makefile to avoid recursion.
* README.Amiga, README.DOS.template, README.W32.template: Updated.
* INSTALL: Point readers at the README.git file.
* maintMakefile: Remove obsolete files. Create Basic.mk file.
* Basic.mk.template, mk/*.mk: Create basic GNU make-based makefiles.
* build_w32.bat: Copy Basic.mk to Makefile
* configure.ac: We no longer need AM_PROG_AR.
* dosbuild.bat: Rename to builddos.bat. Incorporate configure.bat.
* Makefile.DOS.template: Remove.
* NMakefile.template, w32/subproc/NMakefile: Remove.
* SMakefile.template, glob/SMakefile, glob/SCOPTIONS, make.lnk: Remove.
* configure.bat, glob/configure.bat: Remove.
* w32/Makefile.am: Remove.
* make_msvc_net2003.sln, make_msvc_net2003.vcproj: Remove.
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* tests/config-flags.pm.in: A new file containing variable assignments
for the test suite; these variables are set by configure to contain
the values detected there for compilers, flags, etc.
* tests/run_make_tests.pl: Require the config-flags.pm file
* tests/scripts/features/load, tests/scripts/features/loadapi: Use the
configure-provided values when building the shared test library.
* configure.ac: Replace tests/config-flags.pm.in
* Makefile.am: Make sure tests/config-flags.pm is up to date
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Expand the characters which are legal in a function name, and check
the name for validity. Create a type for the function pointer.
Convert the last argument from a boolean to flags, to allow for expansion.
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Add gmk_alloc() and gmk_free() functions so loadable objects can access our
memory model. Also provide a more extensive example in the manual.
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Provide a simple API for loaded objects to interact with GNU make. I still
won't guarantee that this API won't change but it's much closer to something
that's supported and provides easy-to-use interfaces with a public header
file.
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