Use glob to find gdb scripts

Summary: This could prevent the issue like #4792 happen again
Closes #4794

Reviewed By: @fredemmott

Differential Revision: D1834739

.gitignore

@@ -37,7 +37,8 @@ hphp.log
 *.ext_hhvm.h
 
 /hphp/tools/shmw/shmw
-hphp/tools/version/version
+/hphp/tools/version/version
+/hphp/tools/gdb/hhvm-gdb
 
 /hphp/ffi/java/classes
 /hphp/ffi/java/hphp_ffi_java.h

hphp/tools/gdb/CMakeLists.txt

@@ -6,7 +6,10 @@ install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/hhvm-gdb
   DESTINATION bin
   COMPONENT dev)
 
-install(FILES gdbutils.py hashes.py hhbc.py hhvm.py idx.py
-              lookup.py nameof.py pretty.py stack.py unit.py
+file(GLOB GDB_SCRIPTS
+  RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}
+  FOLLOW_SYMLINKS *.py)
+
+install(FILES ${GDB_SCRIPTS}
   DESTINATION "${CMAKE_INSTALL_LIBDIR}/hhvm/gdb"
   COMPONENT dev)