Add initial ARM and MIPS support.  To support this, also enable the
reading of .debug_frame sections (used in lieu of .eh_frame sections
when they're not available).
diff --git a/Makefile.am b/Makefile.am
index 6b4e1d8..0c68c6d 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,9 +1,15 @@
+if ARCH_ARM
+include_HEADERS_tdep = include/libunwind-arm.h
+else
 if ARCH_IA64
 include_HEADERS_tdep = include/libunwind-ia64.h
 else
 if ARCH_HPPA
 include_HEADERS_tdep = include/libunwind-hppa.h
 else
+if ARCH_MIPS
+include_HEADERS_tdep = include/libunwind-mips.h
+else
 if ARCH_X86
 include_HEADERS_tdep = include/libunwind-x86.h
 else
@@ -19,8 +25,10 @@
 endif # ARCH_PPC32
 endif # ARCH_X86_64
 endif # ARCH_X86
+endif # ARCH_MIPS
 endif # ARCH_HPPA
 endif # ARCH_IA64
+endif # ARCH_ARM
 
 include_HEADERS_common = $(include_HEADERS_tdep)		\
 	include/libunwind-dynamic.h include/libunwind-ptrace.h