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Commit a8a5cd8b authored by Mark Rutland's avatar Mark Rutland Committed by Arnaldo Carvalho de Melo
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perf: tools: Fix cross building 



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: default avatarMark 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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 8d0c2224

tools/perf/Makefile.perf

+1 −0
Original line number Diff line number Diff line
@@ -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

tools/perf/config/Makefile

+3 −3
Original line number Diff line number Diff line
@@ -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

tools/perf/config/feature-checks/Makefile

+5 −4
Original line number Diff line number Diff line
@@ -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))