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-rw-r--r--tools/lib/api/Makefile8
-rw-r--r--tools/lib/subcmd/Makefile8
-rw-r--r--tools/perf/Makefile.config4
3 files changed, 18 insertions, 2 deletions
diff --git a/tools/lib/api/Makefile b/tools/lib/api/Makefile
index adba83b325d5..eb6e0b36bfc1 100644
--- a/tools/lib/api/Makefile
+++ b/tools/lib/api/Makefile
@@ -17,7 +17,13 @@ MAKEFLAGS += --no-print-directory
LIBFILE = $(OUTPUT)libapi.a
CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
-CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -O6 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fPIC
+CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fPIC
+
+ifeq ($(CC), clang)
+ CFLAGS += -O3
+else
+ CFLAGS += -O6
+endif
# Treat warnings as errors unless directed not to
ifneq ($(WERROR),0)
diff --git a/tools/lib/subcmd/Makefile b/tools/lib/subcmd/Makefile
index 3f8cc44a0dbd..3d1c3b5b5150 100644
--- a/tools/lib/subcmd/Makefile
+++ b/tools/lib/subcmd/Makefile
@@ -19,7 +19,13 @@ MAKEFLAGS += --no-print-directory
LIBFILE = $(OUTPUT)libsubcmd.a
CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
-CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -O6 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fPIC
+CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fPIC
+
+ifeq ($(CC), clang)
+ CFLAGS += -O3
+else
+ CFLAGS += -O6
+endif
# Treat warnings as errors unless directed not to
ifneq ($(WERROR),0)
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index 03cf947755b9..2b941efadb04 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -144,8 +144,12 @@ ifndef DEBUG
endif
ifeq ($(DEBUG),0)
+ifeq ($(CC), clang)
+ CFLAGS += -O3
+else
CFLAGS += -O6
endif
+endif
ifdef PARSER_DEBUG
PARSER_DEBUG_BISON := -t