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Diffstat (limited to 'lib/spack/docs/features.rst')
-rw-r--r-- | lib/spack/docs/features.rst | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/lib/spack/docs/features.rst b/lib/spack/docs/features.rst index 0998ba8da4..27a3b4b435 100644 --- a/lib/spack/docs/features.rst +++ b/lib/spack/docs/features.rst @@ -31,14 +31,21 @@ platform, all on the command line. # Specify a compiler (and its version), with % $ spack install mpileaks@1.1.2 %gcc@4.7.3 - # Add special compile-time options with + + # Add special compile-time options by name + $ spack install mpileaks@1.1.2 %gcc@4.7.3 debug=True + + # Add special boolean compile-time options with + $ spack install mpileaks@1.1.2 %gcc@4.7.3 +debug - # Cross-compile for a different architecture with = - $ spack install mpileaks@1.1.2 =bgqos_0 + # Add compiler flags using the conventional names + $ spack install mpileaks@1.1.2 %gcc@4.7.3 cppflags=\"-O3 -floop-block\" + + # Cross-compile for a different architecture with arch= + $ spack install mpileaks@1.1.2 arch=bgqos_0 -Users can specify as many or few options as they care about. Spack -will fill in the unspecified values with sensible defaults. +Users can specify as many or few options as they care about. Spack +will fill in the unspecified values with sensible defaults. The two listed +syntaxes for variants are identical when the value is boolean. Customize dependencies |