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-rw-r--r--lib/spack/docs/workflows.rst12
1 files changed, 11 insertions, 1 deletions
diff --git a/lib/spack/docs/workflows.rst b/lib/spack/docs/workflows.rst
index 239ee55a6a..690d02d020 100644
--- a/lib/spack/docs/workflows.rst
+++ b/lib/spack/docs/workflows.rst
@@ -1358,6 +1358,14 @@ The main points that are implemented below:
the spack builds in the config.
(The Travis yaml parser is a bit buggy on the echo command.)
+#. Without control for the user, Travis jobs will run on various
+ ``x86_64`` microarchitectures. If you plan to cache build results,
+ e.g. to accelerate dependency builds, consider building for the
+ generic ``x86_64`` target only.
+ Limiting the microarchitecture will also find more packages when
+ working with the
+ `E4S Spack build cache <https://oaciss.uoregon.edu/e4s/e4s_buildcache_inventory.html>`_.
+
#. Builds over 10 minutes need to be prefixed with ``travis_wait``.
Alternatively, generate output once with ``spack install -v``.
@@ -1400,7 +1408,9 @@ The main points that are implemented below:
- if ! which spack >/dev/null; then
mkdir -p $SPACK_ROOT &&
git clone --depth 50 https://github.com/spack/spack.git $SPACK_ROOT &&
- echo -e "config:""\n build_jobs:"" 2" > $SPACK_ROOT/etc/spack/config.yaml;
+ echo -e "config:""\n build_jobs:"" 2" > $SPACK_ROOT/etc/spack/config.yaml **
+ echo -e "packages:""\n all:""\n target:"" ['x86_64']"
+ > $SPACK_ROOT/etc/spack/packages.yaml;
fi
- travis_wait spack install cmake@3.7.2~openssl~ncurses
- travis_wait spack install boost@1.62.0~graph~iostream~locale~log~wave