makebootable: Fix various build problems.

- Add jamfile for a build variant of libuuid.
- Adjust the build version of makebootable to link to that instead, as it would
  otherwise link in the target platform's version of libuuid_kernel, which
  wasn't necessarily compatible with the build platform's objects (i.e. when
  building a 32-bit Haiku image on a 64-bit host OS), and would consequently
  fail.

src/build/Jamfile

@@ -7,6 +7,7 @@ SubInclude HAIKU_TOP src build libpackage ;
 SubInclude HAIKU_TOP src build libroot ;
 SubInclude HAIKU_TOP src build libshared ;
 SubInclude HAIKU_TOP src build libsolv ;
+SubInclude HAIKU_TOP src build libuuid ;
 
 if $(HOST_PLATFORM) = darwin {
 	SubInclude HAIKU_TOP src build libgnuregex ;

src/build/libuuid/Jamfile

@@ -0,0 +1,19 @@
+SubDir HAIKU_TOP src build libuuid ;
+
+SEARCH_SOURCE += [ FDirName $(HAIKU_TOP) src libs uuid ] ;
+SubDirCcFlags [ FDefines _KERNEL_MODE ] ;
+
+MakeLocate libuuid_build.a : $(HOST_BUILD_COMPATIBILITY_LIB_DIR) ;
+
+BuildPlatformStaticLibrary libuuid_build.a :
+	clear.c
+	compare.c
+	copy.c
+	gen_uuid.c
+	isnull.c
+	pack.c
+	parse.c
+	unpack.c
+	unparse.c
+	uuid_time.c
+;

src/tools/makebootable/platform/bios_ia32/Jamfile

@@ -18,7 +18,7 @@ if $(HOST_PLATFORM) = linux || $(HOST_PLATFORM) = freebsd || $(HOST_PLATFORM) =
 
 	hostPlatformSources = PartitionMap.cpp PartitionMapParser.cpp
 		crc32.cpp Header.cpp utility.cpp ;
-	hostPlatformLibs = libuuid_kernel.a ;
+	hostPlatformLibs = libuuid_build.a ;
 
 	SEARCH_SOURCE += [ FDirName $(HAIKU_TOP) src add-ons kernel
 		partitioning_systems intel ] ;