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File List Export 2.4.0 MacOS



Note that the default desktop manager for Debian is GDM which does NOT read the .xsession files. To get the right language using GDM, use the Options button on the GDM login screen and set the default language. (The list includes all those languages supported by locales). When you login, confirm that the new language is to be the default for future sessions.




File List Export 2.4.0 macOS


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By default, Gnucash will select the first available translation from the list in your language list (System Settings>International or System Settings>Languages and Text, depending on what version of macOS you're using). Other localization settings (numeric format, date format, and default currency) are determined from the "Formats" tab of the same System Settings panel. Environment variables have no effect, and there is no environment.sh file.


install-python-env: Create a Python virtual environment in the $IDF_TOOLS_PATH/python_env directory and install there the required Python packages. An optional --features argument allows one to specify a comma-separated list of features to be added or removed. Feature that begins with - will be removed and features with + or without any sign will be added. Example syntax for removing feature XY is --features=-XY and for adding --features=+XY or --features=XY. If both removing and adding options are provided with the same feature, no operation is performed. For each feature a requirements file must exist. For example, feature XY is a valid feature if $IDF_PATH/tools/requirements/requirements.XY.txt is an existing file with a list of Python packages to be installed. There is one mandatory core feature ensuring core functionality of ESP-IDF (build, flash, monitor, debug in console). There can be an arbitrary number of optional features. The selected list of features is stored in idf-env.json. The requirement files contain a list of the desired Python packages to be installed and espidf.constraints.*.txt downloaded from and stored in $IDF_TOOLS_PATH the package version requirements for a given ESP-IDF version. Althought it is not recommended, the download and use of constraint files can be disabled with the --no-constraints argument or setting the IDF_PYTHON_CHECK_CONSTRAINTS environment variable to no.


check-python-dependencies: Checks if all required Python packages are installed. Packages from $IDF_PATH/tools/requirements/requirements.*.txt files selected by the feature list of idf-env.json are checked with the package versions specified in the espidf.constraints.*.txt file. The constraint file is downloaded with install-python-env command. The use of constraints files can be disabled similarly to the install-python-env command.


For pkg-config to find ruby you may need to set: export PKG_CONFIG_PATH="/usr/local/opt/ruby/lib/pkgconfig"==> Summary? /usr/local/Cellar/ruby/2.6.3: 19,372 files, 32.4MBError: Could not remove ruby backup keg! Do so manually: sudo rm -rf /usr/local/Cellar/ruby/2.4.2_1.reinstall


SCons provides a Windows installer that makes installation extremely easy. Download the scons-2.4.0.win32.exe file from the SCons download page at Then all you need to do is execute the file (usually by clicking on its icon in Windows Explorer). These will take you through a small sequence of windows that will install SCons on your system.


You've just seen how to configure SCons to compile a program from a single source file. It's more common, of course, that you'll need to build a program from many input source files, not just one. To do this, you need to put the source files in a Python list (enclosed in square brackets), like so:


Notice that SCons deduces the output program name from the first source file specified in the list--that is, because the first source file was prog.c, SCons will name the resulting program prog (or prog.exe on a Windows system). If you want to specify a different program name, then (as we've seen in the previous section) you slide the list of source files over to the right to make room for the output program file name. (SCons puts the output file name to the left of the source file names so that the order mimics that of an assignment statement: "program = source files".) This makes our example:


SCons functions will accept a single file name in either form. In fact, internally, SCons treats all input as lists of files, but allows you to omit the square brackets to cut down a little on the typing when there's only a single file name.


Although SCons functions are forgiving about whether or not you use a string vs. a list for a single file name, Python itself is more strict about treating lists and strings differently. So where SCons allows either a string or list:


One drawback to the use of a Python list for source files is that each file name must be enclosed in quotes (either single quotes or double quotes). This can get cumbersome and difficult to read when the list of file names is long. Fortunately, SCons and Python provide a number of ways to make sure that the SConstruct file stays easy to read.


To make long lists of file names easier to deal with, SCons provides a Split function that takes a quoted list of file names, with the names separated by spaces or other white-space characters, and turns it into a list of separate file names. Using the Split function turns the previous example into:


Lastly, the Split function doesn't care how much white space separates the file names in the quoted string. This allows you to create lists of file names that span multiple lines, which often makes for easier editing:


If two or more programs share a lot of common source files, repeating the common files in the list for each program can be a maintenance problem when you need to change the list of common files. You can simplify this by creating a separate Python list to hold the common file names, and concatenating it with other lists using the Python + operator:


The previous example shows building a library from a list of source files. You can, however, also give the Library call object files, and it will correctly realize they are object files. In fact, you can arbitrarily mix source code files and object files in the source list:


One of the most common things you can do with a Node is use it to print the file name that the node represents. Keep in mind, though, that because the object returned by a builder call is a list of Nodes, you must use Python subscripts to fetch individual Nodes from the list. For example, the following SConstruct file:


env.GetBuildPath(file_or_list) returns the path of a Node or a string representing a path. It can also take a list of Nodes and/or strings, and returns the list of paths. If passed a single Node, the result is the same as calling str(node) (see above). The string(s) can have embedded construction variables, which are expanded as usual, using the calling environment's set of variables. The paths can be files or directories, and do not have to exist.


Now, the above example is a little contrived, because it's hard to imagine a real-world situation where you wouldn't want to rebuild hello if the hello.h file changed. A more realistic example might be if the hello program is being built in a directory that is shared between multiple systems that have different copies of the stdio.h include file. In that case, SCons would notice the differences between the different systems' copies of stdio.h and would rebuild hello each time you change systems. You could avoid these rebuilds as follows:


For example, suppose that you want to create a file every time you run a build that identifies the time the build was performed, the version number, etc., and which is included in every program that you build. The version file's contents will change every build. If you specify a normal dependency relationship, then every program that depends on that file would be rebuilt every time you ran SCons. For example, we could use some Python code in a SConstruct file to create a new version.c file with a string containing the current date every time we run SCons, and then link a program with the resulting object file by listing version.c in the sources:


If we list version.c as an actual source file, though, then the version.o file will get rebuilt every time we run SCons (because the SConstruct file itself changes the contents of version.c) and the hello executable will get re-linked every time (because the version.o file changes):


Notice that because we can no longer list version.c as one of the sources for the hello program, we have to find some other way to get it into the link command line. For this example, we're cheating a bit and stuffing the object file name (extracted from version_obj list returned by the Object call) into the $LINKFLAGS variable, because $LINKFLAGS is already included in the $LINKCOM command line.


If there is no Help text in the SConstruct or SConscript files, SCons will revert to displaying its standard list that describes the SCons command-line options. This list is also always displayed whenever the -H option is used.


The atexit.register call registers print_build_failures as an atexit callback, to be called before SCons exits. When that function is called, it calls GetBuildFailures to fetch the list of failed objects. See the man page for the detailed contents of the returned objects; some of the more useful attributes are .node, .errstr, .filename, and .command. The filename is not necessarily the same file as the node; the node is the target that was being built when the error occurred, while the filenameis the file or dir that actually caused the error. Note: only call GetBuildFailures at the end of the build; calling it at any other time is undefined.


(Keep in mind that all of the manipulation of the DEFAULT_TARGETS list takes place during the first phase when SCons is reading up the SConscript files, which is obvious if we leave off the -Q flag when we run SCons:)


Lastly, if you have multiple files that all need to be installed with different file names, you can either call the InstallAs function multiple times, or as a shorthand, you can supply same-length lists for both the target and source arguments:


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