[Bug 2031416] [NEW] libsystemd.a missing symbols on armhf

[Nick Rosbrook]

Public bug reported:

There are two symptoms to observe here. First is that build-with-static-
libsystemd fails on armhf[1]:

2733s autopkgtest [10:52:05]: test build-with-static-libsystemd: [-----------------------
2735s /usr/bin/ld: /tmp/ccRhNQ82.o: in function `main':
2735s uuid-gen.c:(.text+0x20): undefined reference to `sd_id128_randomize'
2735s /usr/bin/ld: uuid-gen.c:(.text+0x5c): undefined reference to `sd_id128_to_string'
2735s collect2: error: ld returned 1 exit status
2735s autopkgtest [10:52:07]: test build-with-static-libsystemd: -----------------------]

Second is this dh_strip warning from the armhf build log[2]:

dh_strip: warning: lto-no-text-in-archive: debian/libsystemd-
dev/usr/lib/arm-linux-gnueabihf/libsystemd.a

This is caused by building with -flto=auto, but without -ffat-lto-
objects[3], which appears to be enabled for all arches except armhf.

[1] https://autopkgtest.ubuntu.com/results/autopkgtest-mantic/mantic/armhf/s/systemd/20230815_105221_65d03@/log.gz
[2] https://launchpadlibrarian.net/681945377/buildlog_ubuntu-mantic-armhf.systemd_253.5-1ubuntu2_BUILDING.txt.gz
[3] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=977596

** Affects: systemd (Ubuntu)
     Importance: High
     Assignee: Nick Rosbrook (enr0n)
         Status: Triaged


** Tags: update-excuse

** Changed in: systemd (Ubuntu)
       Status: New => Triaged

** Changed in: systemd (Ubuntu)
     Assignee: (unassigned) => Nick Rosbrook (enr0n)

** Changed in: systemd (Ubuntu)
   Importance: Undecided => High

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https://bugs.launchpad.net/bugs/2031416

Title:
  libsystemd.a missing symbols on armhf

Status in systemd package in Ubuntu:
  Triaged

Bug description:
  There are two symptoms to observe here. First is that build-with-
  static-libsystemd fails on armhf[1]:

  2733s autopkgtest [10:52:05]: test build-with-static-libsystemd: [-----------------------
  2735s /usr/bin/ld: /tmp/ccRhNQ82.o: in function `main':
  2735s uuid-gen.c:(.text+0x20): undefined reference to `sd_id128_randomize'
  2735s /usr/bin/ld: uuid-gen.c:(.text+0x5c): undefined reference to `sd_id128_to_string'
  2735s collect2: error: ld returned 1 exit status
  2735s autopkgtest [10:52:07]: test build-with-static-libsystemd: -----------------------]

  Second is this dh_strip warning from the armhf build log[2]:

  dh_strip: warning: lto-no-text-in-archive: debian/libsystemd-
  dev/usr/lib/arm-linux-gnueabihf/libsystemd.a

  This is caused by building with -flto=auto, but without -ffat-lto-
  objects[3], which appears to be enabled for all arches except armhf.

  [1] https://autopkgtest.ubuntu.com/results/autopkgtest-mantic/mantic/armhf/s/systemd/20230815_105221_65d03@/log.gz
  [2] https://launchpadlibrarian.net/681945377/buildlog_ubuntu-mantic-armhf.systemd_253.5-1ubuntu2_BUILDING.txt.gz
  [3] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=977596

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