Hei hei, I brought this up on IRC yesterday, I just tried to compile DistroKit master on Debian 10 (buster) on an amd64 host, with some Debian 9 (stretch) icecc nodes on the local net. On Fri, Apr 26, 2019 at 08:42:53PM +0200, Roland Hieber wrote: > On Fri, Apr 26, 2019 at 07:49:44PM +0200, Roland Hieber wrote: > > Signed-off-by: Roland Hieber > > --- > > ...nt-warnings-when-building-with-ICECC.patch | 39 +++++++++++++++++++ > > patches/m4-1.4.18/series | 3 +- > > 2 files changed, 41 insertions(+), 1 deletion(-) > > create mode 100644 patches/m4-1.4.18/0002-HACK-prevent-warnings-when-building-with-ICECC.patch > > > > diff --git a/patches/m4-1.4.18/0002-HACK-prevent-warnings-when-building-with-ICECC.patch b/patches/m4-1.4.18/0002-HACK-prevent-warnings-when-building-with-ICECC.patch > > new file mode 100644 > > index 000000000..979106910 > > --- /dev/null > > +++ b/patches/m4-1.4.18/0002-HACK-prevent-warnings-when-building-with-ICECC.patch > > @@ -0,0 +1,39 @@ > > +From: Roland Hieber > > +Date: Fri, 26 Apr 2019 19:11:19 +0200 > > +Subject: [PATCH] HACK: prevent warnings when building with ICECC > > + > > +If ICECC is enabled, -fdirectives-only is apparently always used, which > > +leads to errors like > > + > > + verify.h:161:31: error: __COUNTER__ expanded inside directive with -fdirectives-only > > Strange, I see the same issue with glib too, and libtasn1, and > host-gettext, and gdbserver. All of them seem to have forked the same > verify.h... :) But I don't think patching all of them is the right way > to approach this. I only saw the issue with host-m4. > Debian testing/unstable, ptxdist master, ICECC 1.2.0, host-gcc 8.2.0, > but I also saw this with an old host-gcc 5.4.0, so I guess it's > independent of the host compiler version. Could the difference be in the icecc version on the host? Debian 9 has ICECC 1.0.1 and does not fail. Debian 10 has ICECC 1.2.0 and fails. Greets Alex -- /"\ ASCII RIBBON | »With the first link, the chain is forged. The first \ / CAMPAIGN | speech censured, the first thought forbidden, the X AGAINST | first freedom denied, chains us all irrevocably.« / \ HTML MAIL | (Jean-Luc Picard, quoting Judge Aaron Satie)