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authorAl Cooper <alcooperx@gmail.com>2013-01-08 16:22:36 -0500
committerArnaldo Carvalho de Melo <acme@redhat.com>2013-01-24 16:40:17 -0300
commit31160d7feab786c991780d7f0ce2755a469e0e5e (patch)
tree36c867108c42e46572ef5a1aac6a846606cfba2d
parent2d2481ddf634695aa17ad91bd765572329941674 (diff)
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perf tools: Fix GNU make v3.80 compatibility issue
According to Documentation/Changes, the kernel should be buildable with GNU make 3.80+. tools/perf/config/utilities.mak contains the "$(or" construct, which requires make 3.81. This causes "make" to fail on systems with GNU make 3.80. Replace "$(or" with an equivalent "$(if" expression, to restore backward compatibility. Also fix an issue where _get_attempt was called with only one argument. This prevented the error message from printing the name of the variable that can be used to fix the problem. Signed-off-by: Al Cooper <alcooperx@gmail.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1357680156-15520-1-git-send-email-alcooperx@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/perf/config/utilities.mak6
1 files changed, 3 insertions, 3 deletions
diff --git a/tools/perf/config/utilities.mak b/tools/perf/config/utilities.mak
index e5413125e6bb..8ef3bd30a549 100644
--- a/tools/perf/config/utilities.mak
+++ b/tools/perf/config/utilities.mak
@@ -13,7 +13,7 @@ newline := $(newline)
# what should replace a newline when escaping
# newlines; the default is a bizarre string.
#
-nl-escape = $(or $(1),m822df3020w6a44id34bt574ctac44eb9f4n)
+nl-escape = $(if $(1),$(1),m822df3020w6a44id34bt574ctac44eb9f4n)
# escape-nl
#
@@ -173,9 +173,9 @@ _ge-abspath = $(if $(is-executable),$(1))
# Usage: absolute-executable-path-or-empty = $(call get-executable-or-default,variable,default)
#
define get-executable-or-default
-$(if $($(1)),$(call _ge_attempt,$($(1)),$(1)),$(call _ge_attempt,$(2)))
+$(if $($(1)),$(call _ge_attempt,$($(1)),$(1)),$(call _ge_attempt,$(2),$(1)))
endef
-_ge_attempt = $(or $(get-executable),$(_gea_warn),$(call _gea_err,$(2)))
+_ge_attempt = $(if $(get-executable),$(get-executable),$(_gea_warn)$(call _gea_err,$(2)))
_gea_warn = $(warning The path '$(1)' is not executable.)
_gea_err = $(if $(1),$(error Please set '$(1)' appropriately))
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