/usr/lib/arm-none-eabi/newlib/nano.specs is in libnewlib-arm-none-eabi 2.2.0+git20150830.5a3d536-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | %rename link nano_link
%rename link_gcc_c_sequence nano_link_gcc_c_sequence
%rename cpp nano_cpp
*cpp:
-isystem =/include/newlib-nano %(nano_cpp)
*nano_libc:
-lc_nano
*nano_libgloss:
%{specs=rdimon.specs:-lrdimon_nano} %{specs=nosys.specs:-lnosys}
*link_gcc_c_sequence:
%(nano_link_gcc_c_sequence) --start-group %G %(nano_libc) %(nano_libgloss) --end-group
*link:
%(nano_link) %:replace-outfile(-lc -lc_nano) %:replace-outfile(-lg -lg_nano) %:replace-outfile(-lrdimon -lrdimon_nano) %:replace-outfile(-lstdc++ -lstdc++_nano) %:replace-outfile(-lsupc++ -lsupc++_nano)
*lib:
%{!shared:%{g*:-lg_nano} %{!p:%{!pg:-lc_nano}}%{p:-lc_p}%{pg:-lc_p}}
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