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authorQMK Bot <hello@qmk.fm>2021-01-24 06:15:47 +0000
committerQMK Bot <hello@qmk.fm>2021-01-24 06:15:47 +0000
commit05aa864338aad30690838e95f3d48f58e8c41d81 (patch)
tree0f1463f61fcea1dd4fb88a73b6d7e47259b7d378
parent28b1c913b4b6f113655af7288d52db86998fa717 (diff)
parent944cf6476e1a8ddfab7c08dbe4cc1fee3ea4beb7 (diff)
Merge remote-tracking branch 'origin/master' into develop
-rw-r--r--docs/faq_build.md2
-rw-r--r--docs/getting_started_make_guide.md22
2 files changed, 20 insertions, 4 deletions
diff --git a/docs/faq_build.md b/docs/faq_build.md
index e64c035332..e4e69b912d 100644
--- a/docs/faq_build.md
+++ b/docs/faq_build.md
@@ -17,7 +17,7 @@ or just:
Note that running `make` with `sudo` is generally ***not*** a good idea, and you should use one of the former methods, if possible.
-### Linux `udev` Rules
+### Linux `udev` Rules :id=linux-udev-rules
On Linux, you'll need proper privileges to communicate with the bootloader device. You can either use `sudo` when flashing firmware (not recommended), or place [this file](https://github.com/qmk/qmk_firmware/tree/master/util/udev/50-qmk.rules) into `/etc/udev/rules.d/`.
diff --git a/docs/getting_started_make_guide.md b/docs/getting_started_make_guide.md
index a89dc73d01..ad63a1c2ec 100644
--- a/docs/getting_started_make_guide.md
+++ b/docs/getting_started_make_guide.md
@@ -14,16 +14,32 @@ The full syntax of the `make` command is `<keyboard_folder>:<keymap>:<target>`,
The `<target>` means the following
* If no target is given, then it's the same as `all` below
* `all` compiles as many keyboard/revision/keymap combinations as specified. For example, `make planck/rev4:default` will generate a single .hex, while `make planck/rev4:all` will generate a hex for every keymap available to the planck.
-* `flash`, `dfu`, `teensy`, `avrdude`, `dfu-util`, or `bootloadHID` compile and upload the firmware to the keyboard. If the compilation fails, then nothing will be uploaded. The programmer to use depends on the keyboard. For most keyboards it's `dfu`, but for ChibiOS keyboards you should use `dfu-util`, and `teensy` for standard Teensys. To find out which command you should use for your keyboard, check the keyboard specific readme.
- * **Note**: some operating systems need root access for these commands to work, so in that case you need to run for example `sudo make planck/rev4:default:flash`.
+* `flash`, `dfu`, `teensy`, `avrdude`, `dfu-util`, or `bootloadHID` compile and upload the firmware to the keyboard. If the compilation fails, then nothing will be uploaded. The programmer to use depends on the keyboard. For most keyboards it's `dfu`, but for ChibiOS keyboards you should use `dfu-util`, and `teensy` for standard Teensys. To find out which command you should use for your keyboard, check the keyboard specific readme.
+ Visit the [Flashing Firmware](flashing.md) guide for more details of the available bootloaders.
+ * **Note**: some operating systems need privileged access for these commands to work. This means that you may need to setup [`udev rules`](faq_build.md#linux-udev-rules) to access these without root access, or to run the command with root access (`sudo make planck/rev4:default:flash`).
* `clean`, cleans the build output folders to make sure that everything is built from scratch. Run this before normal compilation if you have some unexplainable problems.
+* `distclean` removes .hex files and .bin files.
+
+The following targets are for developers:
+
+* `show-path` shows the path of the source and object files.
+* `dump-vars` dumps the makefile variable.
+* `objs-size` displays the size of individual object files.
+* `show_build_options` shows the options set in 'rules.mk'.
+* `check-md5` displays the md5 checksum of the generated binary file.
You can also add extra options at the end of the make command line, after the target
* `make COLOR=false` - turns off color output
* `make SILENT=true` - turns off output besides errors/warnings
* `make VERBOSE=true` - outputs all of the gcc stuff (not interesting, unless you need to debug)
-* `make EXTRAFLAGS=-E` - Preprocess the code without doing any compiling (useful if you are trying to debug #define commands)
+* `make VERBOSE_LD_CMD=yes` - execute the ld command with the -v option.
+* `make VERBOSE_AS_CMD=yes` - execute the as command with the -v option.
+* `make VERBOSE_C_CMD=<c_source_file>` - add the -v option when compiling the specified C source file.
+* `make DUMP_C_MACROS=<c_source_file>` - dump preprocessor macros when compiling the specified C source file.
+* `make DUMP_C_MACROS=<c_source_file> > <logfile>` - dump preprocessor macros to `<logfile>` when compiling the specified C source file.
+* `make VERBOSE_C_INCLUDE=<c_source_file>` - dumps the file names to be included when compiling the specified C source file.
+* `make VERBOSE_C_INCLUDE=<c_source_file> 2> <logfile>` - dumps the file names to be included to `<logfile>` when compiling the specified C source file.
The make command itself also has some additional options, type `make --help` for more information. The most useful is probably `-jx`, which specifies that you want to compile using more than one CPU, the `x` represents the number of CPUs that you want to use. Setting that can greatly reduce the compile times, especially if you are compiling many keyboards/keymaps. I usually set it to one less than the number of CPUs that I have, so that I have some left for doing other things while it's compiling. Note that not all operating systems and make versions supports that option.