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2013-04-28Add support for per-job output sync.Paul Smith1-0/+18
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.
2013-04-27Fix support for .ONESHELL when dealing with non-POSIX shells.Paul Smith1-0/+3
2013-04-27Rework the implementation of load.c to increase portability.Paul Smith1-0/+7
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.
2013-04-27Merge branch 'master' of git.savannah.gnu.org:/srv/git/makePaul Smith1-5/+81
2013-04-27Support .ONESHELL on MS-Windows, for default Windows shells.Eli Zaretskii1-0/+7
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.
2013-04-27 job.c: Fix compilation error on GNU/Linux due to "label at end of compound ↵Eli Zaretskii1-0/+5
statement".
2013-04-27Support --output-sync on MS-Windows.Eli Zaretskii1-13/+66
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.
2013-04-25Improve MS-Windows build scripts.Eli Zaretskii1-0/+11
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.
2013-04-21Reflect the 'configure.in' -> 'configure.ac' rename throughoutStefano Lattarini1-0/+8
In README, code comments, and auxiliary files. Copyright-paperwork-exempt: yes Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
2013-04-16Some cleanups for Windows builds after the output-sync option.Paul Smith1-0/+5
Note currently output-sync is not supported on Windows.
2013-04-16Create an open_tmpfd() function to return temp files by FD. Use it.Paul Smith1-0/+7
2013-04-15Change the arg option for -O from numeric to string.Paul Smith1-0/+12
2013-04-06Clarify LDFLAGS vs. LDLIBS. Fixes Savannah bug #37970.Paul Smith1-0/+3
2013-04-06Reconsider targets waiting for prerequisites. Fixes Savannah bug #37703.Paul Smith1-0/+5
2013-02-28Use ENULLLOOP to handle EINTR during realpath(). Fixes Savannah bug #38420Paul Smith1-0/+5
2013-02-25Expand the loadable object support.Paul Smith1-0/+27
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.
2013-01-20Create externally referencable header file "gnumake.h".Paul Smith1-0/+4
Move the gmk_floc type to gnumake.h.
2013-01-20Rename struct floc to typedef gmk_floc as an externally scoped symbol.Paul Smith1-0/+3
2013-01-20Rename the make.h file to makeint.h for internal use only.Paul Smith1-0/+5
2013-01-20Allow dynamically loaded objects to be rebuilt by make.Paul Smith1-0/+19
2013-01-19Add more documentation on Git workflow and rules.Paul Smith1-0/+4
2013-01-18Fix a typo in ChangeLog.Eli Zaretskii1-1/+1
2013-01-13[SV #38051] Recover all MAKEFLAGS after makefile rebuild step is complete.Paul Smith1-0/+5
Patch suggested by Frank Heckenbach <f.heckenbach@fh-soft.de>.
2013-01-13Add ChangeLog entries for Git migration.Paul Smith1-0/+16
2013-01-12Modify instructions, etc. for Git support.Paul Smith1-2/+2
2012-12-08 job.c (create_batch_file): Fix last change: always increment theEli Zaretskii1-0/+5
counter of batch files before trying to use it.
2012-12-07 job.c (construct_command_argv_internal): Remove " fromEli Zaretskii1-0/+6
sh_chars_dos[]. Ignore an escaped backslash inside a string quoted with "..". This lifts the 4KB or 8KB command-line length limitation imposed by the Windows shell when a command uses quoted strings, because we now don't call the shell in that case.
2012-12-07 job.c (reap_children): Add debug message for when removal of a temporaryEli Zaretskii1-0/+2
batch file fails.
2012-12-07Avoid leaving temporary batch files in the temporary directory.Eli Zaretskii1-0/+10
job.c (create_batch_file): Declare the counter of batch files static, to avoid having 2 jobs using the same file name and stepping on each other's toes. When all 64K names are used up, make one more loop looking for slots that became vacant. This avoids leaving behind temporary batch files in the temporary directory, which happens frequently on a fast machine when using parallel builds.
2012-10-29Implement new "load" directive.Paul Smith1-0/+12
Provides support for dynamically loadable objects in GNU make, as a "technology preview".
2012-09-30Update the required version of gettext to get new bugfix macros.Paul Smith1-0/+5
2012-09-10Define _GNU_SOURCE before testing for bsd_signal.Paul Smith1-0/+3
Fixes Savannah bug #32247
2012-09-10Force intermediate targets to be considered if their non-intermediatePaul Smith1-0/+4
parent needs to be remade. Fixes Savannah bug #30653.
2012-09-09Keep the command line on the heap to avoid stack overflow.Paul Smith1-0/+3
Fixes Savannah bug #36451.
2012-09-09On BSD, realpath(3) doesn't fail if the target doesn't exist, so testPaul Smith1-0/+3
explicitly with stat(2). Fixes Savannah bug #35919.
2012-09-09Save the variable buffer content, not a potentially old pointer to it.Paul Smith1-0/+3
Fixes Savannah bug #36925.
2012-09-09Fix stupid wrong-pointer error handling target vars containing semicolons.Paul Smith1-0/+2
Fixes Savannah bug #36106.
2012-09-09Ignore UTF-8 BOMs. See Savannah bug #36529.Paul Smith1-0/+6
2012-09-09 read.c (unescape_char): Fix a thinko in the last change.Eli Zaretskii1-0/+4
2012-09-09Savannah bug #37179: Use alternate shared library syntax for MacOS.Paul Smith1-0/+3
2012-09-09Break out of an infinite loop if we're not making progress.Paul Smith1-0/+2
2012-09-09When .POSIX: is specified use POSIX-standard macro values by default.Paul Smith1-0/+5
2012-09-01Update README.W32.template for Guile and job-server support.Eli Zaretskii1-0/+2
2012-09-01Fix unescape_char when not unescaping.Eli Zaretskii1-0/+6
read.c (unescape_char): Advance 'p' after copying the unescaped characters. Otherwise the backslashes are incorrectly erased from the original string.
2012-03-05Simplify copyrights using ranges of years.Paul Smith1-2/+6
The new GNU Maintainer's Manual allows the use of year ranges in certain situations; take advantage of this simplification.
2012-03-04Improve handling for escaped colons in prerequisite lists.Paul Smith1-0/+4
Fixes Savannah bug #12126 and bug #16545
2012-03-04Create a new CSTRLEN (constant string length) macro, and use it.Paul Smith1-0/+6
2012-03-04Ensure appending private variables in pattern-specific target variables.Paul Smith1-0/+6
Fixes Savannah bug #35468.
2012-03-04Support nanosecond timestamps in stat() for AIX 5.2+.Paul Smith1-0/+3
Fixes Savannah bug #32485
2012-03-04Convert all "`'" quotes to "''" per new GNU Coding Standard guidelines.Paul Smith1-0/+3
Fixes Savannah bug #34530.
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