Bug#1112274: trilinos: FTBFS on arm64: collect2: fatal error: ld terminated with signal 6 [Aborted]

[Emanuele Rocca]

Hi,

On 2025-09-05 11:58, Adrian Bunk wrote:
> +ifneq (,$(filter $(DEB_HOST_ARCH),amd64 ppc64el riscv64 s390x sparc64))
> +  MOLD=-DCMAKE_CXX_FLAGS="-fuse-ld=mold"
> +endif

This unsets all CXXFLAGS!

One could keep the flags with -DCMAKE_CXX_FLAGS="${CXXFLAGS} -fuse-ld=mold",
but it seems cleaner to just set the following, without passing
-DCMAKE_CXX_FLAGS at all.

DEB_CXXFLAGS_MAINT_APPEND='-fuse-ld=mold'