[Bug 1792600] Re: cross-toolchain-base ftbfs with linux-4.18

[Matthias Klose]

the "native" build fails like:

  CC      scripts/mod/empty.o
  HOSTCC  scripts/mod/mk_elfconfig
  MKELF   scripts/mod/elfconfig.h
  HOSTCC  scripts/mod/modpost.o
  CC      scripts/mod/devicetable-offsets.s
  UPD     scripts/mod/devicetable-offsets.h
  HOSTCC  scripts/mod/file2alias.o
  HOSTCC  scripts/mod/sumversion.o
  HOSTLD  scripts/mod/modpost
  HOSTCC  scripts/selinux/genheaders/genheaders
  HOSTCC  scripts/selinux/mdp/mdp
  HOSTCC  scripts/kallsyms
  HOSTCC  scripts/pnmtologo
  HOSTCC  scripts/conmakehash
  HOSTCC  scripts/sortextable
  HOSTCC  scripts/asn1_compiler
  HOSTCC  scripts/extract-cert
scripts/extract-cert.c:21:10: fatal error: openssl/bio.h: No such file or directory
 #include <openssl/bio.h>
          ^~~~~~~~~~~~~~~
compilation terminated.
make[5]: *** [scripts/Makefile.host:90: scripts/extract-cert] Error 1
make[4]: *** [Makefile:1076: scripts] Error 2
make[3]: *** [debian/rules:4: build] Error 2
dpkg-buildpackage: error: debian/rules build subprocess returned exit status 2
make[2]: *** [scripts/package/Makefile:72: deb-pkg] Error 2
make[1]: *** [Makefile:1370: deb-pkg] Error 2

I assume we can make that one an additional b-d, but these things
shouldn't build

** Changed in: cross-toolchain-base (Ubuntu)
   Importance: Undecided => High

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https://bugs.launchpad.net/bugs/1792600

Title:
  cross-toolchain-base ftbfs with linux-4.18

Status in cross-toolchain-base package in Ubuntu:
  Confirmed

Bug description:
  according to the build logs, the build process changed and calls the
  host compiler even for building the header files.  This worked in
  4.15, but not anymore in 4.18.

  To limit the build to one cross arch:

  CROSS_ARCHS=arm64 DEB_BUILD_OPTIONS=... dpkg-buildpackage -b

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