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perf: tools: Fix cross building

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Currently the feature-checks Makefile does not inherit $(CC), and calls
cc rather than $(CROSS_COMPILE)gcc. Thus the feature checks invoke the
native toolchain rather than the cross toolchain, and can identify
features as available when they are not. This can break the build.

Additionally the native pkg-config is always called as opposed to
$(CROSS_COMPILE)pkg-config, so the wrong flags and paths may be passed
to the cross compiler.

This patch passes CROSS_COMPILE down to the feature-checks Makefile, and
forces its use. Additionally pkg-config is replaced with
$(CROSS_COMPILE)pkg-config via a new $(PKG_CONFIG) variable. This patch
has been build tested on x86_64 and arm.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Will Deacon <will.deacon@arm.com>
Link: http://lkml.kernel.org/r/1389782648-4417-4-git-send-email-mark.rutland@arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Mark Rutland 2014-01-15 10:44:08 +00:00 committed by Arnaldo Carvalho de Melo
parent 8d0c2224ca
commit a8a5cd8b47
3 changed files with 9 additions and 7 deletions
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1
tools/perf/Makefile.perf
View File

@ -76,6 +76,7 @@ $(OUTPUT)PERF-VERSION-FILE: ../../.git/HEAD
CC = $(CROSS_COMPILE)gcc
AR = $(CROSS_COMPILE)ar
PKG_CONFIG = $(CROSS_COMPILE)pkg-config
RM = rm -f
LN = ln -f

6
tools/perf/config/Makefile
View File

@ -372,7 +372,7 @@ ifndef NO_SLANG
endif
ifndef NO_GTK2
FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null)
FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
ifneq ($(feature-gtk2), 1)
msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
NO_GTK2 := 1
@ -381,8 +381,8 @@ ifndef NO_GTK2
GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
endif
CFLAGS += -DHAVE_GTK2_SUPPORT
GTK_CFLAGS += $(shell pkg-config --cflags gtk+-2.0 2>/dev/null)
GTK_LIBS := $(shell pkg-config --libs gtk+-2.0 2>/dev/null)
GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
EXTLIBS += -ldl
endif
endif

9
tools/perf/config/feature-checks/Makefile
View File

@ -28,7 +28,8 @@ FILES= \
test-stackprotector-all.bin \
test-timerfd.bin
CC := $(CC) -MD
CC := $(CROSS_COMPILE)gcc -MD
PKG_CONFIG := $(CROSS_COMPILE)pkg-config
all: $(FILES)
@ -37,7 +38,7 @@ BUILD = $(CC) $(CFLAGS) -o $(OUTPUT)$@ $(patsubst %.bin,%.c,$@) $(LDFLAGS)
###############################
test-all.bin:
$(BUILD) -Werror -fstack-protector-all -O2 -Werror -D_FORTIFY_SOURCE=2 -ldw -lelf -lnuma -lelf -laudit -I/usr/include/slang -lslang $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null) $(FLAGS_PERL_EMBED) $(FLAGS_PYTHON_EMBED) -DPACKAGE='"perf"' -lbfd -ldl
$(BUILD) -Werror -fstack-protector-all -O2 -Werror -D_FORTIFY_SOURCE=2 -ldw -lelf -lnuma -lelf -laudit -I/usr/include/slang -lslang $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) $(FLAGS_PERL_EMBED) $(FLAGS_PYTHON_EMBED) -DPACKAGE='"perf"' -lbfd -ldl
test-hello.bin:
$(BUILD)
@ -82,10 +83,10 @@ test-libslang.bin:
$(BUILD) -I/usr/include/slang -lslang
test-gtk2.bin:
$(BUILD) $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null)
$(BUILD) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
test-gtk2-infobar.bin:
$(BUILD) $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null)
$(BUILD) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
grep-libs = $(filter -l%,$(1))
strip-libs = $(filter-out -l%,$(1))