From cf689b84f9ffc1eed65a16520b96185845fe0644 Mon Sep 17 00:00:00 2001
From: "Bernhard M. Wiedemann" <bwiedemann@suse.de>
Date: Sat, 26 Aug 2017 17:08:00 +0200
Subject: [PATCH] Sort input file list

in order to make builds reproducible
in spite of indeterministic filesystem readdir order.
See https://reproducible-builds.org/ for why this is good.
---
 lib/Makefile      | 2 +-
 programs/Makefile | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/Makefile b/lib/Makefile
index 5845cf17..e31ce043 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -31,7 +31,7 @@ CFLAGS  += $(DEBUGFLAGS) $(MOREFLAGS)
 FLAGS    = $(CPPFLAGS) $(CFLAGS)
 
 
-ZSTD_FILES := $(wildcard common/*.c compress/*.c decompress/*.c dictBuilder/*.c deprecated/*.c)
+ZSTD_FILES := $(sort $(wildcard common/*.c compress/*.c decompress/*.c dictBuilder/*.c deprecated/*.c))
 
 ZSTD_LEGACY_SUPPORT ?= 4
 
diff --git a/programs/Makefile b/programs/Makefile
index c5469cfc..5fd3703d 100644
--- a/programs/Makefile
+++ b/programs/Makefile
@@ -68,7 +68,7 @@ endif
 else
 endif
 
-ZSTDLIB_FILES := $(wildcard $(ZSTD_FILES)) $(wildcard $(ZSTDLEGACY_FILES)) $(wildcard $(ZDICT_FILES))
+ZSTDLIB_FILES := $(sort $(wildcard $(ZSTD_FILES)) $(wildcard $(ZSTDLEGACY_FILES)) $(wildcard $(ZDICT_FILES)))
 ZSTDLIB_OBJ   := $(patsubst %.c,%.o,$(ZSTDLIB_FILES))
 
 # Define *.exe as extension for Windows systems