Messages in this thread Patch in this message | | | From | Mark Rutland <> | Subject | [PATCH 3/3] perf: tools: fix cross building | Date | Wed, 15 Jan 2014 10:44:08 +0000 |
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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: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> --- tools/perf/Makefile.perf | 1 + tools/perf/config/Makefile | 6 +++--- tools/perf/config/feature-checks/Makefile | 9 +++++---- 3 files changed, 9 insertions(+), 7 deletions(-)
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 87d7726..7257e7e 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -76,6 +76,7 @@ $(OUTPUT)PERF-VERSION-FILE: ../../.git/HEAD CC = $(CROSS_COMPILE)gcc AR = $(CROSS_COMPILE)ar +PKG_CONFIG = $(CROSS_COMPILE)pkg-config RM = rm -f LN = ln -f diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile index 01dd43d..d604e50 100644 --- a/tools/perf/config/Makefile +++ b/tools/perf/config/Makefile @@ -372,7 +372,7 @@ ifndef NO_SLANG endif ifndef NO_GTK2 - FLAGS_GTK2=$(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 diff --git a/tools/perf/config/feature-checks/Makefile b/tools/perf/config/feature-checks/Makefile index 7cf6fcd..12e5513 100644 --- a/tools/perf/config/feature-checks/Makefile +++ b/tools/perf/config/feature-checks/Makefile @@ -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)) -- 1.8.1.1
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