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@@ -516,13 +516,14 @@ config BR2_OPTIMIZE_S
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This is the default.
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config BR2_OPTIMIZE_FAST
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- bool "optimize for fast"
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+ bool "optimize for fast (may break packages!)"
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depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_6
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help
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Optimize for fast. Disregard strict standards
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compliance. -Ofast enables all -O3 optimizations. It also
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enables optimizations that are not valid for all
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- standard-compliant programs. It turns on -ffast-math and the
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+ standard-compliant programs, so be careful, as it may break
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+ some packages. It turns on -ffast-math and the
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Fortran-specific -fstack-arrays, unless -fmax-stack-var-size
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is specified, and -fno-protect-parens.
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