Per pcre2jit.3, JIT requires:
ARM 32-bit (v7, and Thumb2)
Per https://wiki.debian.org/ArchitectureSpecificsMemo#armel armel only
offers armv5te
deb_maint_conf_args = --enable-pcre2-16 --enable-pcre2-32 --disable-pcre2grep-callout
#enable JIT only on architectures that support it (see pcre2jit.3)
-ifneq ($(filter amd64 armel armhf arm64 i386 mips mipsel mips64el powerpc ppc64 ppc64el riscv64 s390x, $(DEB_HOST_ARCH)),)
+ifneq ($(filter amd64 armhf arm64 i386 mips mipsel mips64el powerpc ppc64 ppc64el riscv64 s390x, $(DEB_HOST_ARCH)),)
deb_maint_conf_args +=--enable-jit
else
deb_maint_conf_args +=--disable-jit