[PATCH v3] tools/power/acpi: Remove direct kernel source include reference

From: Lv Zheng
Date: Fri Nov 11 2016 - 20:08:22 EST

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ACPICA tools trickily uses integer types, and trickily includes kernel
include directory directly, which breaks tools build for some cross
compilers.
This patch improves ACPICA tools build to make it a bit more robust in such
situation by splitting include/acpi into a separate output directory.

This patch also contains OUTPUT/srctree cleanups in order to make above fix
working for various build environments.

Fixes: e323c02dee59 ("ACPICA: MSVC9: Fix <sys/stat.h> inclusion order issue")
Reported-and-tested-by: Yisheng Xie <xieyisheng1@xxxxxxxxxx>
Reported-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
Signed-off-by: Lv Zheng <lv.zheng@xxxxxxxxx>
Cc: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
---
include/acpi/platform/aclinux.h | 3 +++
tools/power/acpi/Makefile.config | 21 +++++++++--------
tools/power/acpi/Makefile.rules | 40 +++++++++++++++++++++-----------
tools/power/acpi/tools/acpidbg/Makefile | 4 +---
tools/power/acpi/tools/acpidbg/acpidbg.c | 8 ++++++-
tools/power/acpi/tools/acpidump/Makefile | 12 +++++-----
6 files changed, 55 insertions(+), 33 deletions(-)

diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
index a5d98d1..e861a24 100644
--- a/include/acpi/platform/aclinux.h
+++ b/include/acpi/platform/aclinux.h
@@ -191,6 +191,9 @@
#ifndef __init
#define __init
#endif
+#ifndef __iomem
+#define __iomem
+#endif

/* Host-dependent types and defines for user-space ACPICA */

diff --git a/tools/power/acpi/Makefile.config b/tools/power/acpi/Makefile.config
index a538ff4..8320616 100644
--- a/tools/power/acpi/Makefile.config
+++ b/tools/power/acpi/Makefile.config
@@ -8,18 +8,19 @@
# as published by the Free Software Foundation; version 2
# of the License.

-include ../../../../scripts/Makefile.include
+ifeq ($(srctree),)
+srctree := $(patsubst %/,%,$(dir $(shell pwd)))
+srctree := $(patsubst %/,%,$(dir $(srctree)))
+#$(info Determined 'srctree' to be $(srctree))
+endif
+
+include $(srctree)/../../scripts/Makefile.include

-OUTPUT=./
+OUTPUT=$(srctree)/
ifeq ("$(origin O)", "command line")
OUTPUT := $(O)/
endif
-
-ifneq ($(OUTPUT),)
-# check that the output directory actually exists
-OUTDIR := $(shell cd $(OUTPUT) && /bin/pwd)
-$(if $(OUTDIR),, $(error output directory "$(OUTPUT)" does not exist))
-endif
+##$(info Determined 'OUTPUT' to be $(OUTPUT))

# --- CONFIGURATION BEGIN ---

@@ -70,8 +71,8 @@ WARNINGS := -Wall
WARNINGS += $(call cc-supports,-Wstrict-prototypes)
WARNINGS += $(call cc-supports,-Wdeclaration-after-statement)

-KERNEL_INCLUDE := ../../../include
-ACPICA_INCLUDE := ../../../drivers/acpi/acpica
+KERNEL_INCLUDE := $(OUTPUT)include
+ACPICA_INCLUDE := $(srctree)/../../../drivers/acpi/acpica
CFLAGS += -D_LINUX -I$(KERNEL_INCLUDE) -I$(ACPICA_INCLUDE)
CFLAGS += $(WARNINGS)

diff --git a/tools/power/acpi/Makefile.rules b/tools/power/acpi/Makefile.rules
index ec87a9e..51070de 100644
--- a/tools/power/acpi/Makefile.rules
+++ b/tools/power/acpi/Makefile.rules
@@ -8,28 +8,42 @@
# as published by the Free Software Foundation; version 2
# of the License.

-$(OUTPUT)$(TOOL): $(TOOL_OBJS) FORCE
- $(ECHO) " LD " $@
- $(QUIET) $(LD) $(CFLAGS) $(LDFLAGS) $(TOOL_OBJS) -L$(OUTPUT) -o $@
+objdir := $(OUTPUT)tools/$(TOOL)/
+toolobjs := $(addprefix $(objdir),$(TOOL_OBJS))
+$(OUTPUT)$(TOOL): $(KERNEL_INCLUDE) $(toolobjs) FORCE
+ $(ECHO) " LD " $(subst $(OUTPUT),,$@)
+ $(QUIET) $(LD) $(CFLAGS) $(LDFLAGS) $(toolobjs) -L$(OUTPUT) -o $@
+ $(ECHO) " STRIP " $(subst $(OUTPUT),,$@)
$(QUIET) $(STRIPCMD) $@

-$(OUTPUT)%.o: %.c
- $(ECHO) " CC " $@
+$(KERNEL_INCLUDE):
+ $(ECHO) " MKDIR " $(subst $(OUTPUT),,$@)
+ $(QUIET) mkdir -p $(KERNEL_INCLUDE)
+ $(ECHO) " CP " $(subst $(OUTPUT),,$@)
+ $(QUIET) cp -rf $(srctree)/../../../include/acpi $(KERNEL_INCLUDE)/
+
+$(objdir)%.o: %.c
+ $(ECHO) " CC " $(subst $(OUTPUT),,$@)
$(QUIET) $(CC) -c $(CFLAGS) -o $@ $<

all: $(OUTPUT)$(TOOL)
clean:
- -find $(OUTPUT) $ -not -type d $ \
- -and $ -name '*~' -o -name '*.[oas]' $ \
- -type f -print \
- | xargs rm -f
- -rm -f $(OUTPUT)$(TOOL)
+ $(ECHO) " RMOBJ " $(subst $(OUTPUT),,$(objdir))
+ $(QUIET) find $(objdir) $ -not -type d $\
+ -and $ -name '*~' -o -name '*.[oas]' $\
+ -type f -print | xargs rm -f
+ $(ECHO) " RM " $(TOOL)
+ $(QUIET) rm -f $(OUTPUT)$(TOOL)
+ $(ECHO) " RMINC " $(subst $(OUTPUT),,$(KERNEL_INCLUDE))
+ $(QUIET) rm -rf $(KERNEL_INCLUDE)

install-tools:
- $(INSTALL) -d $(DESTDIR)${sbindir}
- $(INSTALL_PROGRAM) $(OUTPUT)$(TOOL) $(DESTDIR)${sbindir}
+ $(ECHO) " INST " $(TOOL)
+ $(QUIET) $(INSTALL) -d $(DESTDIR)$(sbindir)
+ $(QUIET) $(INSTALL_PROGRAM) $(OUTPUT)$(TOOL) $(DESTDIR)$(sbindir)
uninstall-tools:
- - rm -f $(DESTDIR)${sbindir}/$(TOOL)
+ $(ECHO) " UNINST " $(TOOL)
+ $(QUIET) rm -f $(DESTDIR)$(sbindir)/$(TOOL)

install: all install-tools $(EXTRA_INSTALL)
uninstall: uninstall-tools $(EXTRA_UNINSTALL)
diff --git a/tools/power/acpi/tools/acpidbg/Makefile b/tools/power/acpi/tools/acpidbg/Makefile
index 352df4b..f2d06e7 100644
--- a/tools/power/acpi/tools/acpidbg/Makefile
+++ b/tools/power/acpi/tools/acpidbg/Makefile
@@ -17,9 +17,7 @@ vpath %.c \
../../os_specific/service_layers\
.
CFLAGS += -DACPI_APPLICATION -DACPI_SINGLE_THREAD -DACPI_DEBUGGER\
- -I.\
- -I../../../../../drivers/acpi/acpica\
- -I../../../../../include
+ -I.
LDFLAGS += -lpthread
TOOL_OBJS = \
acpidbg.o
diff --git a/tools/power/acpi/tools/acpidbg/acpidbg.c b/tools/power/acpi/tools/acpidbg/acpidbg.c
index a88ac45..4308362 100644
--- a/tools/power/acpi/tools/acpidbg/acpidbg.c
+++ b/tools/power/acpi/tools/acpidbg/acpidbg.c
@@ -12,10 +12,16 @@
#include <acpi/acpi.h>

/* Headers not included by include/acpi/platform/aclinux.h */
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <error.h>
#include <stdbool.h>
#include <fcntl.h>
#include <assert.h>
-#include <linux/circ_buf.h>
+#include <sys/select.h>
+#include "../../../../../include/linux/circ_buf.h"

#define ACPI_AML_FILE "/sys/kernel/debug/acpi/acpidbg"
#define ACPI_AML_SEC_TICK 1
diff --git a/tools/power/acpi/tools/acpidump/Makefile b/tools/power/acpi/tools/acpidump/Makefile
index 04b5db7..f7c7af1 100644
--- a/tools/power/acpi/tools/acpidump/Makefile
+++ b/tools/power/acpi/tools/acpidump/Makefile
@@ -19,9 +19,7 @@ vpath %.c \
./\
../../common\
../../os_specific/service_layers
-CFLAGS += -DACPI_DUMP_APP -I.\
- -I../../../../../drivers/acpi/acpica\
- -I../../../../../include
+CFLAGS += -DACPI_DUMP_APP -I.
TOOL_OBJS = \
apdump.o\
apfiles.o\
@@ -49,7 +47,9 @@ TOOL_OBJS = \

include ../../Makefile.rules

-install-man: ../../man/acpidump.8
- $(INSTALL_DATA) -D $< $(DESTDIR)${mandir}/man8/acpidump.8
+install-man: $(srctree)/man/acpidump.8
+ $(ECHO) " INST " acpidump.8
+ $(QUIET) $(INSTALL_DATA) -D $< $(DESTDIR)$(mandir)/man8/acpidump.8
uninstall-man:
- - rm -f $(DESTDIR)${mandir}/man8/acpidump.8
+ $(ECHO) " UNINST " acpidump.8
+ $(QUIET) rm -f $(DESTDIR)$(mandir)/man8/acpidump.8
--
2.7.4

Next message: Kashyap Desai: "RE: [GIT PULL] SCSI fixes for 4.9-rc3"
Previous message: Stephen Boyd: "[GIT PULL] clk fixes for v4.9-rc5"
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