For example, to build bison-2.2 as a build tool, do Well behaved packages can be built without spec file, straight from an Prepare to rebuild everything, all platforms Prepare to rebuild entire linux-x86 platform Search from end back to `mismatch:' įorce a rebuild of package hello for platform linux-x86įorce a rebuild of package hello for all platforms Increases the chances of a new package's spec file to only need aīuild package hello for platform linux-x86Įxamine why package hello wants to rebuild This increases maintainability by avoidingĬode duplication, makes spec files smaller, simpler and also Quircks and move them from a package's spec file into one of the
#Does denemo need lilypond installed code#
Simplifying package builds or avoiding code duplicationĪnother idea of GUB is to identify, fix and generalise build
Upstream packages but also build system authors look at the build host root file system However, this is potentially a lot of work as not only It would be nice to get this to work and some effort hasīeen done. This will even disallow any STATting outside the target's build LIBRESTRICT has an experimental strict mode enabled by Package-dependant code blondly looks in /usr/include Librestrict:error:/home/janneke/vc/gub/target/mingw/root/usr/cross/libexec/gcc/i686-mingw32/4.1.1/cc1plus: tried to open () file /home/janneke/vc/lilypond/lily/Ĭc1plus: internal compiler error: Abortedġ0:42:08 often find these in config.log files when This is what such a LIBRESTRICT assertion could like LIBRESTRICT willĬatch these errors and they have to be fixed in the package's spec Packages are not prepared for cross building. The downside to this LIBRESTRICT feature is that quite a few This makes for much better reprocucibility,Įspecially between different build hosts. librestrict/restrict.c to disallow readingįrom build host files. The gub/specs/librestrict.py package and codeįrom. Happen to differ between most build hosts. Process, but just happen to be on the build host and If you change your operating system, delete the target/ directoryĪ common problem with builds is usingįiles or features that are not controlled by the build You share your GUB build directory between a 32-bit and 64-bit OS. This variable is not checked by theĮnvironment-changed function, so problems will probably occur if GUB uses an ABI environment variable to work around some buildīugs in some packages. This makes that forcing rebuilds can can be tricky: gub refuses toĭo so if it deems rebuilding unnecessary. py build specs can be changed and refactoredĪt will and as long as no actual build commands change, nothing Otherwise, only theīinary package is reinstalled, if necessary. The packages' build checksum is matched with the previous buildĪnd if it changes, the package is rebuilt. HOME, HTTP_PROXY, LIBRESTRICT, PATH [no other environment
The environment variables DISPLAY, FTP_PROXY, GUB_TOOLS_PREFIX, Package, the build recipe is executed as a dry-run and a checksum GUB seeks to minimise unnecessary rebuilds while being strictĪbout important changes.
Non-patch files used in build specifications try: bin/gub -help)īuild specifications (gub/specs/hello.py,bison.py,denemo.py,lilypond.py.)ĭarwin-x86 most recent lilypond build log
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