vboot_reference: build all the tools

This expands the build to include more things that are useful on
chromebooks, like `crossystem`

pkgs/tools/system/vboot_reference/default.nix

···
 
   enableParallelBuilding = true;
 
-  buildPhase = ''
+  patches = [ ./dont_static_link.patch ];
+
+  preBuild = ''
     patchShebangs scripts
-    make -j''${NIX_BUILD_CORES:-1} \
-         `pwd`/build/cgpt/cgpt \
-         `pwd`/build/futility/futility
   '';
 
-  installPhase = ''
-    mkdir -p $out/bin
-    cp build/cgpt/cgpt $out/bin
-    cp build/futility/futility $out/bin
+  makeFlags = [
+    "DESTDIR=$(out)"
+  ];
+
+  postInstall = ''
     mkdir -p $out/share/vboot
     cp -r tests/devkeys* $out/share/vboot/
   '';

pkgs/tools/system/vboot_reference/dont_static_link.patch

···
+---
+--- a/Makefile
++++ b/Makefile
+@@ -964,7 +964,7 @@ ${UTILLIB21}: ${UTILLIB21_OBJS} ${FWLIB2
+ # Link tests for external repos
+ ${BUILD}/host/linktest/extern: ${HOSTLIB}
+ ${BUILD}/host/linktest/extern: LIBS = ${HOSTLIB}
+-${BUILD}/host/linktest/extern: LDLIBS += -static
++#${BUILD}/host/linktest/extern: LDLIBS += -static
+ TEST_OBJS += ${BUILD}/host/linktest/extern.o
+ 
+ .PHONY: hostlib
+@@ -1056,7 +1056,7 @@ ${UTIL_BINS} ${UTIL_BINS_STATIC}: ${UTIL
+ ${UTIL_BINS} ${UTIL_BINS_STATIC}: LIBS = ${UTILLIB}
+ 
+ # Utilities for auto-update toolkits must be statically linked.
+-${UTIL_BINS_STATIC}: LDFLAGS += -static
++${UTIL_BINS_STATIC}:
+ 
+ 
+ .PHONY: utils
+@@ -1089,7 +1089,7 @@ futil: ${FUTIL_STATIC_BIN} ${FUTIL_BIN}
+ 
+ ${FUTIL_STATIC_BIN}: ${FUTIL_STATIC_OBJS} ${UTILLIB}
+ 	@${PRINTF} "    LD            $(subst ${BUILD}/,,$@)\n"
+-	${Q}${LD} -o $@ ${CFLAGS} ${LDFLAGS} -static $^ ${LDLIBS}
++	${Q}${LD} -o $@ ${CFLAGS} ${LDFLAGS} $^ ${LDLIBS}
+ 
+ ${FUTIL_BIN}: LDLIBS += ${CRYPTO_LIBS}
+ ${FUTIL_BIN}: ${FUTIL_OBJS} ${UTILLIB}