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job.c (start_job_command): Make the condition for creating a
temporary output file be identical to the Posix code branch.
Suggested by Frank Heckenbach <f.heckenbach@fh-soft.de>.
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w32/subproc/sub_proc.c: Include makeint.h. Remove a private
incompatible prototype of xmalloc.
(batch_file_with_spaces): New function, detects Windows batch
files whose names include whitespace characters.
(process_begin): If exec_name is a batch file with whitespace
characters in its name, pass NULL as the first argument to
CreateProcess. This avoids weird failures due to buggy quoting by
CreateProcess. For the details, see the discussion starting at
http://lists.gnu.org/archive/html/make-w32/2013-04/msg00008.html.
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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.
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job.c (construct_command_argv_internal): Don't treat a backslash as an
escape character before whitespace, if the shell is not a Posix
shell. For the description of the problem, see
http://lists.gnu.org/archive/html/make-w32/2013-04/msg00014.html.
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MS-Windows as the previous commit did for Posix platforms.
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w32/include/dlfcn.h: New file.
w32/compat/posixfcn.c: Include dlfcn.h.
(dlopen, dlerror, dlsym) [MAKE_LOAD]: New functions, in support of
dynamic loading.
config.h.W32.template (MAKE_LOAD): Define.
load.c (load_object) [HAVE_DOS_PATHS]: Support backslashes and
drive letters in file names of dynamic objects.
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job.c (construct_command_argv_internal) [WINDOWS32]: Return
right after generating new_argv for one_shell case. This fixes
the Windows build for both Unixy shell and stock Windows shells.
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Enhance the child_error() function so that it will write error output to the
child's sync output buffer, if it exists. If it doesn't the output goes to
stdout/stderr.
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We've required support for ANSI C (ISO C 89) or better for quite a while. Get
rid of the old varags.h, doprnt() stuff and simply assume ANSI C variadic
function capability and basic C runtime library support (vfprintf, vsprintf,
etc.)
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dir.c (local_stat) [WINDOWS32]: Use the wrapper on MS-Windows.
If the argument ends in "dir/.", make sure the parent dir exists
and is indeed a directory. Fixes Savannah bug #37065.
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A new flag to the -O/--output-sync, "job", selects a per-job (that is, per
line of a recipe) output synchronization. To support this move the close of
the temp file out of the sync_output() function and don't do it until we free
the child, since we may call sync_output() multiple times in a given recipe.
When we set up for a new temp file, if we're in per-job mode we truncate the
file and seek to the beginning to re-use it for every job.
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It should be sufficient, now, to write a new version of the load_object()
function. That function won't be called unless we really want to load, so all
checking and parsing is taken care of before that.
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read.c (record_files): Pay attention to .ONESHELL in MS-Windows.
job.c (construct_command_argv_internal): Support .ONESHELL on
MS-Windows, when the shell is not a Unixy shell.
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statement".
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w32/compat/posixfcn.c: New file, with emulations of Posix
functions and Posix functionality for MS-Windows.
w32/subproc/sub_proc.c: Include io.h.
(process_noinherit): New function, forces a file descriptor to not
be inherited by child processes.
(process_easy): Accept two additional arguments, and use them to
set up the standard output and standard error handles of the child
process.
w32/include/sub_proc.h (process_easy): Adjust prototype.
(process_noinherit): Add prototype.
read.c [WINDOWS32]: Include windows.h and sub_proc.h.
makeint.h (LOCALEDIR) [WINDOWS32}: Define to NULL if not
defined. This is needed because the MS-Windows build doesn't have
a canonical place for LOCALEDIR.
(WIN32_LEAN_AND_MEAN) [WINDOWS32]: Define, to avoid getting from
windows.h header too much stuff that could conflict with the code.
main.c <sync_mutex>: New static variable.
<switches>: Add support for "--sync-mutex" switch.
(decode_output_sync_flags): Decode the --sync-mutex= switch.
(prepare_mutex_handle_string) [WINDOWS32]: New function.
(main): Add "output-sync" to .FEATURES.
job.h (CLOSE_ON_EXEC) [WINDOWS32]: Define to call
process_noinherit.
(F_GETFD, F_SETLKW, F_WRLCK, F_UNLCK, struct flock) [WINDOWS32]:
New macros.
(RECORD_SYNC_MUTEX): New macro, a no-op for Posix platforms.
(sync_handle_t): New typedef.
job.c <sync_handle>: Change type to sync_handle_t.
(FD_NOT_EMPTY): Seek to the file's end. Suggested by Frank
Heckenbach <f.heckenbach@fh-soft.de>.
(pump_from_tmp_fd) [WINDOWS32]: Switch to_fd to binary mode for
the duration of this function, and then change back before
returning.
(start_job_command) [WINDOWS32]: Support output_sync mode on
MS-Windows. Use a system-wide mutex instead of locking
stdout/stderr. Call process_easy with two additional arguments:
child->outfd and child->errfd.
(exec_command) [WINDOWS32]: Pass two additional arguments, both
-1, to process_easy, to adjust for the changed function signature.
function.c (windows32_openpipe) [WINDOWS32]: This function now
returns an int, which is -1 if it fails and zero otherwise. It
also calls 'error' instead of 'fatal', to avoid exiting
prematurely.
(func_shell_base) [WINDOWS32]: Call perror_with_name if
windows32_openpipe fails, now that it always returns. This avoids
a compiler warning that error_prefix is not used in the MS-Windows
build.
config.h.W32.template (OUTPUT_SYNC): Define.
build_w32.bat: Add w32/compat/posixfcn.c to compilation and
linking commands.
From Frank Heckenbach <f.heckenbach@fh-soft.de>:
job.c (sync_output): Don't discard the output if
acquire_semaphore fails; instead, dump the output unsynchronized.
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build_w32.bat: Improve. Remove 'setlocal', as it isn't
supported on Windows 9X. Add --help and usage instructions.
Support both debug and optimized builds with GCC under --debug.
If building out of Git repo, always produce config.h, and edit
gmk-default.scm into gmk-default.h.
w32/subproc/build.bat: Support debug and optimized builds with
GCC.
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In README, code comments, and auxiliary files.
Copyright-paperwork-exempt: yes
Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
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Note currently output-sync is not supported on Windows.
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Based on work by David Boyce <David.S.Boyce@gmail.com>.
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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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Move the gmk_floc type to gnumake.h.
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Patch suggested by Frank Heckenbach <f.heckenbach@fh-soft.de>.
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