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Date: Fri, 21 Aug 2020 13:20:50 -0700
From: Khem Raj <>
To:, Jeffrey Walton <>
Subject: Re: fatal error: asm/prctl.h: No such file or directory

On 8/21/20 1:14 PM, Jeffrey Walton wrote:
> Hi Everyone,
> Forgive my ignorance... I'm trying to build GDB 9.2 from sources. I
> can't tell whose bug this is (GDB, Musl, Alpine or mine due to a bad
> config).
> I'm performing a native build. My triplet is x86_64-pc-linux-gnu. I've
> seen similar messages, but they seem to be due to a cross-compile or
> wrong triplet. Neither apply to me.
> Who should claim the compile error?
> g++ -x c++  -g2 -O2 -march=native -fPIC -pthread   -I. -I../../gdb
> -I../../gdb/config
> -DLOCALEDIR="\"/home/jwalton/tmp/ok2delete/share/locale\""
> -DHAVE_CONFIG_H -I../../gdb/../include/opcode
> -I../../gdb/../readline/readline/.. -I../../gdb/../zlib -I../bfd
> -I../../gdb/../bfd -I../../gdb/../include -I../libdecnumber
> -I../../gdb/../libdecnumber  -I../../gdb/../gnulib/import
> -I../gnulib/import  -DTUI=1 -I/home/jwalton/tmp/ok2delete/include
> -I../../gdb/.. -pthread -Wall -Wpointer-arith -Wno-unused
> -Wunused-value -Wunused-variable -Wunused-function -Wno-switch
> -Wno-char-subscripts -Wempty-body -Wunused-but-set-parameter
> -Wunused-but-set-variable -Wno-sign-compare
> -Wno-error=maybe-uninitialized -Wsuggest-override
> -Wimplicit-fallthrough=3 -Wduplicated-cond -Wshadow=local -Wformat
> -Wformat-nonliteral  -c -o amd64-linux-nat.o -MT amd64-linux-nat.o
> -MMD -MP -MF ./.deps/amd64-linux-nat.Tpo ../../gdb/amd64-linux-nat.c
> ../../gdb/amd64-linux-nat.c:27:10: fatal error: asm/prctl.h: No such
> file or directory
>   #include <asm/prctl.h>
>            ^~~~~~~~~~~~~
> compilation terminated.

this should be coming from linux kernel UAPI headers, do you have that 
installed ?

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