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path: root/debian/patches/mk-sort-object-files-when-building-deps-lists.patch
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Description: mk: sort object files when building deps lists

In order to achieve reproducible builds, always use the same
order when listing object files to build dependencies lists.

Origin: http://dpdk.org/dev/patchwork/patch/27511/
Forwarded: yes
Author: Luca Boccassi <luca.boccassi@gmail.com>
Last-Update: 2017-08-10
---
 mk/rte.app.mk     | 4 ++--
 mk/rte.hostapp.mk | 4 ++--
 mk/rte.shared.mk  | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/mk/rte.app.mk b/mk/rte.app.mk
index bcaf1b382..54134dea4 100644
--- a/mk/rte.app.mk
+++ b/mk/rte.app.mk
@@ -263,8 +263,8 @@ LDLIBS_NAMES += $(patsubst -Wl$(comma)-l%,lib%.a,$(filter -Wl$(comma)-l%,$(LDLIB
 
 # list of found libraries files (useful for deps). If not found, the
 # library is silently ignored and dep won't be checked
-LDLIBS_FILES := $(wildcard $(foreach dir,$(LDLIBS_PATH),\
-	$(addprefix $(dir)/,$(LDLIBS_NAMES))))
+LDLIBS_FILES := $(sort $(wildcard $(foreach dir,$(LDLIBS_PATH),\
+	$(addprefix $(dir)/,$(LDLIBS_NAMES)))))
 
 #
 # Compile executable file if needed
diff --git a/mk/rte.hostapp.mk b/mk/rte.hostapp.mk
index 5cb4909cb..f58173c31 100644
--- a/mk/rte.hostapp.mk
+++ b/mk/rte.hostapp.mk
@@ -69,9 +69,9 @@ O_TO_EXE_DO = @set -e; \
 -include .$(HOSTAPP).cmd
 
 # list of .a files that are linked to this application
-LDLIBS_FILES := $(wildcard \
+LDLIBS_FILES := $(sort $(wildcard \
 	$(addprefix $(RTE_OUTPUT)/lib/, \
-	$(patsubst -l%,lib%.a,$(filter -l%,$(LDLIBS)))))
+	$(patsubst -l%,lib%.a,$(filter -l%,$(LDLIBS))))))
 
 #
 # Compile executable file if needed
diff --git a/mk/rte.shared.mk b/mk/rte.shared.mk
index 87ccf0ba4..4e680bc03 100644
--- a/mk/rte.shared.mk
+++ b/mk/rte.shared.mk
@@ -85,8 +85,8 @@ LDLIBS_NAMES += $(patsubst -Wl$(comma)-l%,lib%.a,$(filter -Wl$(comma)-l%,$(LDLIB
 
 # list of found libraries files (useful for deps). If not found, the
 # library is silently ignored and dep won't be checked
-LDLIBS_FILES := $(wildcard $(foreach dir,$(LDLIBS_PATH),\
-	$(addprefix $(dir)/,$(LDLIBS_NAMES))))
+LDLIBS_FILES := $(sort $(wildcard $(foreach dir,$(LDLIBS_PATH),\
+	$(addprefix $(dir)/,$(LDLIBS_NAMES)))))
 
 #
 # Archive objects in .so file if needed
-- 
2.11.0