mips - how to cross compile uClibc0.9.28 to mips64 n32

Question

I have a router firmware, but there is no libuClibc-0.9.28.so in it. so i'm thinking to compile the so by myself, the router is based on mips64 n32. i download the source code from uclibc，when i cross compile， there are two problems:

1.there is no way to set the abi to n32 in menuconfig

2.cpp can't find the limits.h

for the fisrt one, i just to append the option "-mabi=n32" to the Rules.mak, just like this:

for the second, it's a bit complex, the error like this:

as you can see, in fact, the cpp can't find the second limits.h, the search paths is:

so i use "-isystem" to add a path where there is a "limits.h":

finally, it reports a error:

it said "#error mips32 code being compiled for mips64!", what is it mean? how to find the mips32 code ? i'm new to cross compile, Can anyone help me

Answer 1

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