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From: Ben Hutchings <benh@debian.org>
Date: Mon, 15 May 2023 15:58:39 +0200
Subject: perf tools: Support EXTRA_CXXFLAGS
Add support for an EXTRA_CXXFLAGS variable, used similarly to
EXTRA_CFLAGS.
Signed-off-by: Ben Hutchings <benh@debian.org>
---
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -18,6 +18,7 @@ detected_var = $(shell echo "$(1)=$($(1)
CFLAGS := $(EXTRA_CFLAGS) $(filter-out -Wnested-externs,$(EXTRA_WARNINGS))
HOSTCFLAGS := $(filter-out -Wnested-externs,$(EXTRA_WARNINGS))
+CXXFLAGS := $(EXTRA_CXXFLAGS)
# Enabled Wthread-safety analysis for clang builds.
ifeq ($(CC_NO_CLANG), 0)
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -33,7 +33,7 @@ include ../scripts/utilities.mak
#
# Define LDFLAGS=-static to build a static binary.
#
-# Define EXTRA_CFLAGS=-m64 or EXTRA_CFLAGS=-m32 as appropriate for cross-builds.
+# Define EXTRA_CFLAGS=-m64 or EXTRA_CFLAGS=-m32 as appropriate for cross-builds, and similarly EXTRA_CXXFLAGS.
#
# Define EXCLUDE_EXTLIBS=-lmylib to exclude libmylib from the auto-generated
# EXTLIBS.
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