diff --git a/.syntastic_c_config b/.syntastic_c_config
new file mode 100644
index 0000000..b93723b
--- /dev/null
+++ b/.syntastic_c_config
@@ -0,0 +1,53 @@
+-I/home/pjones/devel/github.com/shim/master/Cryptlib/OpenSSL
+-I/home/pjones/devel/github.com/shim/master/Cryptlib/OpenSSL/..
+-I/home/pjones/devel/github.com/shim/master/Cryptlib/OpenSSL/../Include/
+-I/home/pjones/devel/github.com/shim/master/Cryptlib/OpenSSL/crypto
+-I/usr/lib/gcc/x86_64-redhat-linux/7/include
+-I/home/pjones/devel/github.com/shim/master/Cryptlib/OpenSSL/../Include
+-I/usr/include/efi
+-I/usr/include/efi/x86_64
+-I/usr/include/efi/protocol
+-I/home/pjones/devel/github.com/shim/master/Cryptlib/OpenSSL/crypto/asn1
+-I/home/pjones/devel/github.com/shim/master/Cryptlib/OpenSSL/crypto/evp
+-I/home/pjones/devel/github.com/shim/master/Cryptlib/OpenSSL/crypto/modes
+-I/home/pjones/devel/github.com/shim/master/Cryptlib/OpenSSL/crypto/include
+-DL_ENDIAN
+-D_CRT_SECURE_NO_DEPRECATE
+-D_CRT_NONSTDC_NO_DEPRECATE
+-DOPENSSL_SMALL_FOOTPRINT
+-DPEDANTIC
+-ggdb
+-O0
+-fno-stack-protector
+-fno-strict-aliasing
+-fpic
+-fshort-wchar
+-Wall
+-Wsign-compare
+-Werror
+-fno-builtin
+-Werror=sign-compare
+-ffreestanding
+-std=gnu89
+-I/usr/lib/gcc/x86_64-redhat-linux/7/include
+-nostdinc
+-I/home/pjones/devel/github.com/shim/master/Cryptlib
+-I/home/pjones/devel/github.com/shim/master/Cryptlib/Include
+-I/usr/include/efi
+-I/usr/include/efi/x86_64
+-I/usr/include/efi/protocol
+-I/home/pjones/devel/github.com/shim/master/include
+-iquote
+/home/pjones/devel/github.com/shim/master
+-iquote
+/home/pjones/devel/github.com/shim/master
+-mno-mmx
+-mno-sse
+-mno-red-zone
+-nostdinc
+-maccumulate-outgoing-args
+-DEFI_FUNCTION_WRAPPER
+-DGNU_EFI_USE_MS_ABI
+-DNO_BUILTIN_VA_FUNCS
+-DMDE_CPU_X64
+-DPAGE_SIZE=4096
diff --git a/shim.h b/shim.h
index 52cbfeb..ae5a168 100644
--- a/shim.h
+++ b/shim.h
@@ -37,3 +37,63 @@ typedef struct _SHIM_LOCK {
 
 extern EFI_STATUS shim_init(void);
 extern void shim_fini(void);
+
+#ifdef __x86_64__
+#ifndef DEFAULT_LOADER
+#define DEFAULT_LOADER L"\\grubx64.efi"
+#endif
+#ifndef DEFAULT_LOADER_CHAR
+#define DEFAULT_LOADER_CHAR L"\\grubx64.efi"
+#endif
+#ifndef EFI_ARCH
+#define EFI_ARCH L"x64"
+#endif
+#ifndef DEBUGDIR
+#define DEBUGDIR L"/usr/lub/debug/usr/share/shim/x64/"
+#endif
+#endif
+
+#if defined(__i686__) || defined(__i386__)
+#ifndef DEFAULT_LOADER
+#define DEFAULT_LOADER L"\\grubia32.efi"
+#endif
+#ifndef DEFAULT_LOADER_CHAR
+#define DEFAULT_LOADER_CHAR L"\\grubia32.efi"
+#endif
+#ifndef EFI_ARCH
+#define EFI_ARCH L"ia32"
+#endif
+#ifndef DEBUGDIR
+#define DEBUGDIR L"/usr/lub/debug/usr/share/shim/ia32/"
+#endif
+#endif
+
+#if defined(__aarch64__)
+#ifndef DEFAULT_LOADER
+#define DEFAULT_LOADER L"\\grubaa64.efi"
+#endif
+#ifndef DEFAULT_LOADER_CHAR
+#define DEFAULT_LOADER_CHAR L"\\grubaa64.efi"
+#endif
+#ifndef EFI_ARCH
+#define EFI_ARCH L"aa64"
+#endif
+#ifndef DEBUGDIR
+#define DEBUGDIR L"/usr/lub/debug/usr/share/shim/aa64/"
+#endif
+#endif
+
+#if defined(__arm__)
+#ifndef DEFAULT_LOADER
+#define DEFAULT_LOADER L"\\grubarm.efi"
+#endif
+#ifndef DEFAULT_LOADER_CHAR
+#define DEFAULT_LOADER_CHAR L"\\grubarm.efi"
+#endif
+#ifndef EFI_ARCH
+#define EFI_ARCH L"arm"
+#endif
+#ifndef DEBUGDIR
+#define DEBUGDIR L"/usr/lub/debug/usr/share/shim/arm/"
+#endif
+#endif