luser

import argparse
import fnmatch
import os
import string
import subprocess
import sys
from collections import defaultdict
SUBSTS = set(['MOZ_PERMISSIONS', 'MOZ_DMD', 'HAVE_64BIT_BUILD', 'MOZ_CAN_RUN_PROGRAMS', 'MOZ_WIDGET_TOOLKIT', 'MOZ_PNG_ARM_NEON_CHECK', 'MOZ_ALLOW_HEAP_EXECUTE_FLAGS', 'AR_EXTRACT', 'TAR', 'MOZ_SERVICES_COMMON', 'MOZ_VPX_ERROR_CONCEALMENT', 'ZLIB_IN_MOZGLUE', 'MOZ_JPROF', 'MOZ_SOCIAL', 'NONASCII', 'MOZ_MULET', 'VPX_ASFLAGS', 'MOZ_APP_ID', 'MOZ_NO_EV_CERTS', 'MOZ_PNG_CFLAGS', 'MOZ_CHILD_PROCESS_NAME', 'MOZ_OPUS', 'OBJCOPY', 'ASM_SUFFIX', 'MOZ_WEBSPEECH', 'MOZ_FIX_LINK_PATHS', 'GRE_MILESTONE', 'HOST_LDFLAGS', 'VISIBILITY_FLAGS', 'TARGET_MD_ARCH', 'MOZ_ASAN', 'MOZ_APP_UA_NAME', 'GST_API_VERSION', 'MOZ_DEVICES', 'MOZ_COMPONENTS_VERSION_SCRIPT_LDFLAGS', 'MOZ_SERVICES_HEALTHREPORT', 'MOZ_JPEG_CFLAGS', 'MOZ_B2G_FM', 'MOZ_B2G_RIL', 'MOZ_ANDROID_OMTC', 'MOZ_METRO', 'DSO_LDOPTS', 'MOZ_OPTIMIZE_LDFLAGS', 'MOZ_DISABLE_PARENTAL_CONTROLS', 'OS_LDFLAGS', '_MSC_VER', 'MKSHLIB_FORCE_ALL', 'MOZ_NUWA_PROCESS'