# ensure local python is preferred over distribution python

ENV PATH /usr/local/bin:$PATH

{{ # only set LANG on versions less than 3.13 -}}

# cannot remove LANG even though https://bugs.python.org/issue19846 is fixed

# last attempted removal of LANG broke many users:

{{

# skip optimizations on alpine on riscv64 (except python 3.9)

# only 3.9 completes building on riscv64 with optimizations, 3.10-3.13 all hit the 3 hour limit

-}}

--enable-optimizations \

{{ ) else ( -}}

--enable-shared \

{{

# <3.10 does not have -fno-semantic-interposition enabled and --with-lto does nothing for performance

-}}

--with-lto \

{{ ) end -}}