It seems to be using the correct suite now "wheezy", but all the packages it can't find seem to be from unstable, unless I'm wrong here.
xxxx@debian-7:~/debian-installer/installer/build$ make reallyclean
xxxx@debian-7:~/debian-installer/installer/build$ make build_netboot USE_UDEBS_FROM=wheezy
Using generated sources.list.udeb:
deb [trusted=yes] copy:/home/simon/debian-installer/installer/build/ localudebs/
make[2]: `sources.list.udeb' is up to date.
*
* Warning: Building with localudebs.
* This build should not be used for official purposes.
*
Ign copy: localudebs/ Release.gpg
Ign copy: localudebs/ Release
Get:1 copy: localudebs/ Packages [469 B]
Ign copy: localudebs/ Translation-en_AU
Ign copy: localudebs/ Translation-en
Fetched 224 kB in 0s (245 kB/s)
Reading package lists... Done
Reading package lists... Done
Building dependency tree... Done
dh_testroot
# Ensure that sources.list.udeb has trusted=yes.
# Only needed for a while to ensure all build systems get the new
# version of the file, then can be removed.
if ! grep -q -L 'trusted=yes' sources.list.udeb; then \
rm -f sources.list.udeb; \
make sources.list.udeb; \
fi
get-packages udeb acpi-modules-3.12-1-amd64-di anna archdetect bogl-bterm-udeb brltty-udeb busybox-udeb cdebconf-newt-terminal cdebconf-newt-udeb cdebconf-priority cdebconf-text-udeb cdebconf-udeb choose-mirror choose-mirror-bin console-setup-pc-ekmap console-setup-udeb debian-archive-keyring-udeb di-utils di-utils-reboot di-utils-shell di-utils-terminfo download-installer env-preseed ethdetect fat-modules-3.12-1-amd64-di fb-modules-3.12-1-amd64-di file-preseed gpgv-udeb hw-detect hyperv-modules-3.12-1-amd64-di initrd-preseed input-modules-3.12-1-amd64-di installation-locale kbd-udeb kernel-image-3.12-1-amd64-di libblkid1-udeb libcrypto1.0.0-udeb libdebconfclient0-udeb libdebian-installer4-udeb libfribidi0-udeb libiw30-udeb libkmod2-udeb libnl-3-200-udeb libnl-genl-3-200-udeb libnss-dns-udeb libnss-files-udeb libtextwrap1-udeb libuuid1-udeb localechooser lowmemcheck main-menu media-retriever mountmedia nano-udeb ndisc6-udeb net-retriever netcfg network-preseed nic-modules-3.12-1-amd64-di nic-pcmcia-modules-3.12-1-amd64-di nic-usb-modules-3.12-1-amd64-di nic-wireless-modules-3.12-1-amd64-di pciutils-udeb pcmcia-modules-3.12-1-amd64-di pcmciautils-udeb preseed-common rdnssd-udeb rescue-check rootskel save-logs udev-udeb udpkg usb-modules-3.12-1-amd64-di usb-storage-modules-3.12-1-amd64-di util-linux-udeb virtio-modules-3.12-1-amd64-di wide-dhcpv6-client-udeb wpasupplicant-udeb zlib1g-udeb
make[3]: `sources.list.udeb' is up to date.
*
* Warning: Building with localudebs.
* This build should not be used for official purposes.
*
Ign copy: localudebs/ Release.gpg
Ign copy: localudebs/ Release
Ign copy: localudebs/ Packages/DiffIndex
Get:1 copy: localudebs/ Packages [469 B]
Ign copy: localudebs/ Translation-en_AU
Ign copy: localudebs/ Translation-en
Fetched 469 B in 0s (1,753 B/s)
Reading package lists... Done
Reading package lists... Done
Building dependency tree... Done
Need to download: acpi-modules-3.12-1-amd64-di anna archdetect bogl-bterm-udeb brltty-udeb busybox-udeb cdebconf-newt-terminal cdebconf-newt-udeb cdebconf-priority cdebconf-text-udeb cdebconf-udeb choose-mirror choose-mirror-bin console-setup-pc-ekmap console-setup-udeb debian-archive-keyring-udeb di-utils di-utils-reboot di-utils-shell di-utils-terminfo download-installer env-preseed ethdetect fat-modules-3.12-1-amd64-di fb-modules-3.12-1-amd64-di file-preseed gpgv-udeb hw-detect hyperv-modules-3.12-1-amd64-di initrd-preseed input-modules-3.12-1-amd64-di installation-locale kbd-udeb kernel-image-3.12-1-amd64-di libblkid1-udeb libcrypto1.0.0-udeb libdebconfclient0-udeb libdebian-installer4-udeb libfribidi0-udeb libiw30-udeb libkmod2-udeb libnl-3-200-udeb libnl-genl-3-200-udeb libnss-dns-udeb libnss-files-udeb libtextwrap1-udeb libuuid1-udeb localechooser lowmemcheck main-menu media-retriever mountmedia nano-udeb ndisc6-udeb net-retriever netcfg network-preseed nic-modules-3.12-1-amd64-di nic-pcmcia-modules-3.12-1-amd64-di nic-usb-modules-3.12-1-amd64-di nic-wireless-modules-3.12-1-amd64-di pciutils-udeb pcmcia-modules-3.12-1-amd64-di pcmciautils-udeb preseed-common rdnssd-udeb rescue-check rootskel save-logs udev-udeb udpkg usb-modules-3.12-1-amd64-di usb-storage-modules-3.12-1-amd64-di util-linux-udeb virtio-modules-3.12-1-amd64-di wide-dhcpv6-client-udeb wpasupplicant-udeb zlib1g-udeb
Reading package lists... Done
Building dependency tree... Done
E: Unable to locate package acpi-modules-3.12-1-amd64-di
E: Couldn't find any package by regex 'acpi-modules-3.12-1-amd64-di'
E: Unable to locate package fat-modules-3.12-1-amd64-di
E: Couldn't find any package by regex 'fat-modules-3.12-1-amd64-di'
E: Unable to locate package fb-modules-3.12-1-amd64-di
E: Couldn't find any package by regex 'fb-modules-3.12-1-amd64-di'
E: Unable to locate package hyperv-modules-3.12-1-amd64-di
E: Couldn't find any package by regex 'hyperv-modules-3.12-1-amd64-di'
E: Unable to locate package input-modules-3.12-1-amd64-di
E: Couldn't find any package by regex 'input-modules-3.12-1-amd64-di'
E: Unable to locate package kernel-image-3.12-1-amd64-di
E: Couldn't find any package by regex 'kernel-image-3.12-1-amd64-di'
E: Unable to locate package nic-modules-3.12-1-amd64-di
E: Couldn't find any package by regex 'nic-modules-3.12-1-amd64-di'
E: Unable to locate package nic-pcmcia-modules-3.12-1-amd64-di
E: Couldn't find any package by regex 'nic-pcmcia-modules-3.12-1-amd64-di'
E: Unable to locate package nic-usb-modules-3.12-1-amd64-di
E: Couldn't find any package by regex 'nic-usb-modules-3.12-1-amd64-di'
E: Unable to locate package nic-wireless-modules-3.12-1-amd64-di
E: Couldn't find any package by regex 'nic-wireless-modules-3.12-1-amd64-di'
E: Unable to locate package pcmcia-modules-3.12-1-amd64-di
E: Couldn't find any package by regex 'pcmcia-modules-3.12-1-amd64-di'
E: Unable to locate package usb-modules-3.12-1-amd64-di
E: Couldn't find any package by regex 'usb-modules-3.12-1-amd64-di'
E: Unable to locate package usb-storage-modules-3.12-1-amd64-di
E: Couldn't find any package by regex 'usb-storage-modules-3.12-1-amd64-di'
E: Unable to locate package virtio-modules-3.12-1-amd64-di
E: Couldn't find any package by regex 'virtio-modules-3.12-1-amd64-di'
make[2]: *** [stamps/get_udebs-netboot-stamp] Error 100
make[1]: *** [_build] Error 2
make: *** [build_netboot] Error 2