0ba6a850b5
In a freestanding library we don't install the <pstl/pstl_config.h> header, so don't try to include it unless it exists. Explicitly declare aligned alloc functions for freestanding, because <cstdlib> doesn't declare them. PR libstdc++/92376 * include/bits/c++config: Only do PSTL config when the header is present, to fix freestanding. * libsupc++/new_opa.cc [!_GLIBCXX_HOSTED]: Declare allocation functions if they were detected by configure.
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