Dep Software Build Automation Tool

Release Notes

Dep 0.51

Dep 0.51 was released on 20 December 2024. Changes are:

Fixed bugs in pattern rule construction affecting folders and precompiled headers
Stopped constructing so many temporary patterns
Updated Dep's own DepFile
Fixed --ruleincludes by not reading includes from cache (when not using --treeincludes)
Fixed --ruleincludes / pattern interaction bug by re-running the parser on expanded patterns

Dep 0.5

Dep 0.5 was released on 12 October 2024. Changes are:

Improvements to build ordering via whichComesFirst
Cached getFileState
Added timestampsize
Added implementsHeader
Cached getCompletionSeconds
Refactored shared memory
Runs recently-failed steps until 15% through the job, then switches to critical-path steps
When looking for the finished job, stopped looking through old jobs
Improved pattern matching of #include statements
Stopped looking for #include statements when the cached copy is OK
Debug senseModTime/senseSize/senseRule/FILEFLAG\_STAT\_CHANGED
Get the updated mod time before writing it back to cache
Fixed 'file exists' errors on mkdir commands
Gradually scaled up from number of processors (e.g. 8) number of register sets (e.g. 16)
Fixed bug that sometimes reset the number of pipelines
Fixed bug that sometimes let there be more pipelines than register sets
Fixed syntax lookup of commands starting with "-":w
Added new acceptance test in Gossammer Markup Language
Added exists\_file\_ext mechanism that marks all .so/.dll rules at %exists
Added mechanism that marks all mkdir rules at %exists
Added --noskip option that runs all %exists rules
Added mechanism that automatically finds all mkdir dependencies
Changed %exist to %exists
Added %alias for precompiled headers
Added --noreadcache, --nowritecache and --writecache
Debugged pipeline commands
Refactored verbosity options and output
Added --tracefile option
Stopped making duplicate stat() calls
Debugged marking of re-generated files
Debugged reading of #include files from .c files
Added % patterns
Shrank some struct sizes
Fixed memory leaks
Refactored parser buffer creation+deletion
Changed --simplesort to --fixedorder
Refactored nextCommand to remove startMore option
The set of --treeincludes include files now depends on the list of -I options

Dep 0.4

Dep 0.4 was released on 30 May 2023. Changes are:

Added filename and line number to duplicate rule warning messages
Fixed bug that caused non-duplicate rules to be listed as warnings
Separated environment variable spaces for parallel execution streams
Fixed bug that wrote duplicate rules to .DepFileCache
Fixed bug in determining locations of included source files
Fixed bug in normalizing file path names

Dep 0.3

Dep 0.3 was released on 9 March 2023. Changes are:

Changed findIncludes mechanism to look at filenames instead of options such as -c, to handle instances such as gcc a.c b.o
Fixed bugs in quote mark parsing
Combined operations on rule and tree includes

Dep 0.2

Dep 0.2 was released on 16 February 2023. Changes are:

Added sensing and invalidation of some misbuilt files (generally 0 byte files, but 8 bytes for .a files)
Added %outz for files that may validly be zero length
Fixed bugs in handling of rules with no inputs e.g. mkdir commands
Added existence dependencies
Changed -p option to -j
No need to put " > %out " in syntax lines any more, it is now always assumed
Fixed bugs in interpretation of nested for loops
Allowed braces on subsequent lines of for loops
Changed "if ... endif" to "if { }"
Fixed some errors in the generation of .DepFileCache and suppressed some others in readback
Improved line and column number reporting in DepFile syntax error messages
Added /etc/depsyntax file, which includes syntaxes of common commands
Fixed bug in export statements within rules: they are now run during execution, not during parsing

Dep 0.1

Dep 0.1 was released on 7 December 2022.

Copyright and Licence

Dep is free software licenced under the GNU General Public Licence version 3.