VfrCompile seg.faults with fortify enabled. It's probably broken.
VolInfo does not compile due to -fshort-wchar not being supported by musl. The only major problem is the printf, so comment it out.

diff -ru a/edk2-e242cdfb307a6dfe2c0f75c4719f5c1f6b418625/BaseTools/Source/C/VfrCompile/VfrUtilityLib.cpp b/edk2-e242cdfb307a6dfe2c0f75c4719f5c1f6b418625/BaseTools/Source/C/VfrCompile/VfrUtilityLib.cpp
--- edk2-e242cdfb307a6dfe2c0f75c4719f5c1f6b418625/BaseTools/Source/C/VfrCompile/VfrUtilityLib.cpp	2016-11-16 10:01:14.000000000 +0200
+++ edk2-e242cdfb307a6dfe2c0f75c4719f5c1f6b418625/BaseTools/Source/C/VfrCompile/VfrUtilityLib.cpp	2016-11-16 14:47:30.211978076 +0200
@@ -13,6 +13,7 @@
 
 **/
 
+#define _FORTIFY_SOURCE 0
 #include "stdio.h"
 #include "stdlib.h"
 #include "CommonLib.h"
diff -ru a/edk2-e242cdfb307a6dfe2c0f75c4719f5c1f6b418625/BaseTools/Source/C/VolInfo/VolInfo.c b/edk2-e242cdfb307a6dfe2c0f75c4719f5c1f6b418625/BaseTools/Source/C/VolInfo/VolInfo.c
--- edk2-e242cdfb307a6dfe2c0f75c4719f5c1f6b418625/BaseTools/Source/C/VolInfo/VolInfo.c	2016-11-16 10:01:14.000000000 +0200
+++ edk2-e242cdfb307a6dfe2c0f75c4719f5c1f6b418625/BaseTools/Source/C/VolInfo/VolInfo.c	2016-11-16 11:12:40.182415584 +0200
@@ -1714,7 +1714,7 @@
       break;
 
     case EFI_SECTION_USER_INTERFACE:
-      printf ("  String: %ls\n", (wchar_t *) &((EFI_USER_INTERFACE_SECTION *) Ptr)->FileNameString);
+      //printf ("  String: %ls\n", (wchar_t *) &((EFI_USER_INTERFACE_SECTION *) Ptr)->FileNameString);
       break;
 
     case EFI_SECTION_FIRMWARE_VOLUME_IMAGE: