Bug 1457483 Retrieve nm from environment for check_vanilla_allocations.py r=glandium

MozReview-Commit-ID: HIZpMk4Ierb

--HG--
extra : rebase_source : 670da25b7e516e176f2eae116b58e5e62ccbbde7

Author: tomrittervg

config/check_vanilla_allocations.py

@@ -42,6 +42,7 @@
 import re
 import subprocess
 import sys
+import buildconfig
 
 # The obvious way to implement this script is to search for occurrences of
 # malloc et al, succeed if none are found, and fail is some are found.
@@ -76,7 +77,8 @@ def main():
     # -u: show only undefined symbols
     # -C: demangle symbol names
     # -A: show an object filename for each undefined symbol
-    cmd = ['nm', '-u', '-C', '-A', args.file]
+    nm = buildconfig.substs.get('NM') or 'nm'
+    cmd = [nm, '-u', '-C', '-A', args.file]
     lines = subprocess.check_output(cmd, universal_newlines=True,
                                     stderr=subprocess.PIPE).split('\n')
 

js/src/old-configure.in

@@ -1692,6 +1692,7 @@ AC_SUBST(AR)
 AC_SUBST(AR_FLAGS)
 AC_SUBST(AR_EXTRACT)
 AC_SUBST(AS)
+AC_SUBST(NM)
 AC_SUBST_LIST(ASFLAGS)
 AC_SUBST(AS_DASH_C_FLAG)
 AC_SUBST(RC)

old-configure.in

@@ -4064,6 +4064,7 @@ AC_SUBST(AR)
 AC_SUBST(AR_FLAGS)
 AC_SUBST(AR_EXTRACT)
 AC_SUBST(AS)
+AC_SUBST(NM)
 AC_SUBST_LIST(ASFLAGS)
 AC_SUBST(AS_DASH_C_FLAG)
 AC_SUBST(RC)