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Diffstat (limited to 'README.md')
| -rw-r--r-- | README.md | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/README.md b/README.md index 2db7458450e..fd66a06f381 100644 --- a/README.md +++ b/README.md @@ -61,13 +61,17 @@ Build instructions: (Note: do_cmake.sh now defaults to creating a debug build of ceph that can be up to 5x slower with some workloads. Please pass -"-DCMAKE_BUILD_TYPE=RelWithDebInfo" to do_cmake.sh to create a non-debug +"-DCMAKE_BUILD_TYPE=RelWithDebInfo" to do_cmake.sh to create a non-debug release.) +(Note: `make` alone will use only one CPU thread, this could take a while. use +the `-j` option to use more threads. Something like `make -j$(nproc)` would be +a good start. + This assumes you make your build dir a subdirectory of the ceph.git -checkout. If you put it elsewhere, just replace `..` in do_cmake.sh with a -correct path to the checkout. Any additional CMake args can be specified -setting ARGS before invoking do_cmake. See [cmake options](#cmake-options) +checkout. If you put it elsewhere, just point `CEPH_GIT_DIR`to the correct +path to the checkout. Any additional CMake args can be specified setting ARGS +before invoking do_cmake. See [cmake options](#cmake-options) for more details. Eg. ARGS="-DCMAKE_C_COMPILER=gcc-7" ./do_cmake.sh |