[Bug 1987438] Re: Build libc_nonshared with -fPIE not -fpie

[Richard Henderson]

Also seen in an Ubuntu 20.04 LTS docker container.

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Title:
  Build libc_nonshared with -fPIE not -fpie

Status in glibc package in Ubuntu:
  New

Bug description:
  Upstream bug:
  https://sourceware.org/bugzilla/show_bug.cgi?id=29514

  $ lsb_release -rd
  Description:	Ubuntu 22.04.1 LTS
  Release:	22.04

  In Makeconfig, similar to "pic-ccflag = -fPIC", the default
  for pie-ccflag should be '-fPIE' not '-fpie'.

  Otherwise, large projects using -static-pie may see, e.g.

  /usr/lib/gcc/aarch64-linux-gnu/11/../../../../aarch64-linux-gnu/lib/../lib/libc.a(init-first.o): in function `__libc_init_first':
  (.text+0x10): relocation truncated to fit: R_AARCH64_LD64_GOTPAGE_LO15 against symbol `__environ' defined in .bss section in /usr/lib/gcc/aarch64-linux-gnu/11/../../../../aarch64-linux-gnu/lib/../lib/libc.a(environ.o)
  /usr/bin/ld: (.text+0x10): warning: too many GOT entries for -fpic, please recompile with -fPIC

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