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| author | Waldemar Brodkorb <wbx@openadk.org> | 2018-04-04 20:16:51 +0200 |
|---|---|---|
| committer | Waldemar Brodkorb <wbx@openadk.org> | 2018-04-04 20:16:51 +0200 |
| commit | 0bddc7e755f67b8918c379c715b2f4fe00ef5913 (patch) | |
| tree | be039c7b97476b0ab3dcbae01c72b8e542cf1642 | |
| parent | 5a19f2b6bd1e51ec5fdb8fef5e78a0b1d82a18dc (diff) | |
docs: add some popular make env-vars
| -rw-r--r-- | docs/common-usage.txt | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/docs/common-usage.txt b/docs/common-usage.txt index 651b3bcad..b2f29f6cc 100644 --- a/docs/common-usage.txt +++ b/docs/common-usage.txt @@ -67,13 +67,20 @@ Environment variables ~~~~~~~~~~~~~~~~~~~~~ OpenADK also honors some environment variables, when they are passed -to +make+. +to +make+. The most useful and common ones are: * +ADK_APPLIANCE+, the appliance task you want to build * +ADK_CUSTOM_TASKS_DIR+, extra directory to fetch tasks from +* +ADK_TARGET_OS+, the operating system of the target system * +ADK_TARGET_ARCH+, the architecture of the target system +* +ADK_TARGET_CPU+, the specific CPU optimization for the target system (f.e. cortex-a53) * +ADK_TARGET_SYSTEM+, the embedded target system name * +ADK_TARGET_LIBC+, the C library for the target system +* +ADK_TARGET_ABI+, the ABI for the target system (f.e. MIPS N64) +* +ADK_TARGET_ENDIAN+, the endianess for the target system (little/big) +* +ADK_TARGET_BINFMT+, the binary format for the target system (f.e. ELF/FLAT/FDPIC) +* +ADK_TARGET_FLOAT+, the float support for the target system (f.e. soft/softfp/hard) +* +ADK_TARGET_FS+, the firmware type or root filesystem for the target system * +ADK_VERBOSE+, verbose build, when set to 1 |