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| author | Martin Braun <martin.braun@ettus.com> | 2019-02-15 16:52:55 -0800 |
|---|---|---|
| committer | Brent Stapleton <brent.stapleton@ettus.com> | 2019-02-15 17:40:35 -0800 |
| commit | 4e4dde96a137b00d59e711e79dbefa707bda74d6 (patch) | |
| tree | 39ec0f0e0121c68bfee6b344dd05b1520fc12ef8 /host/docs | |
| parent | a56185c6f51815357c736fe35c5fc372865a7c65 (diff) | |
| download | uhd-4e4dde96a137b00d59e711e79dbefa707bda74d6.tar.gz uhd-4e4dde96a137b00d59e711e79dbefa707bda74d6.tar.bz2 uhd-4e4dde96a137b00d59e711e79dbefa707bda74d6.zip | |
docs: Add note on manually disabling NEON extensions
Diffstat (limited to 'host/docs')
| -rw-r--r-- | host/docs/build.dox | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/host/docs/build.dox b/host/docs/build.dox index 9a6beba20..b5e9caaf5 100644 --- a/host/docs/build.dox +++ b/host/docs/build.dox @@ -170,6 +170,17 @@ or add it to `/etc/ld.so.conf` and make sure to run: sudo ldconfig +\subsection build_instructions_unix_arm Compiling for ARM platforms + +When compiling for ARM platforms, the assumption is made that NEON extensions +are available if the arm_neon.h header is found. However, this might not be +true, e.g., when cross-compiling for an arm7l target (e.g., the Odroid XU4) +using a standard SDK. In this case, it's necessary to tell CMake to disable NEON +extensions: + + cmake -DNEON_SIMD_ENABLE=OFF [...] + + \section build_instructions_windows Build Instructions (Windows) \subsection cmake_win Generate the project with CMake |