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[xen master] tools/libacpi: cleanup Makefile, don't check for iasl binary



commit 5a8b28bfd4315d9b5c1d57d60a33c81413ee9c8f
Author:     Anthony PERARD <anthony.perard@xxxxxxxxxx>
AuthorDate: Mon Dec 6 17:01:58 2021 +0000
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Thu Dec 16 20:27:12 2021 +0000

    tools/libacpi: cleanup Makefile, don't check for iasl binary
    
    iasl is been check for presence by ./configure, so this Makefile
    doesn't have to do it. Also start to use $(IASL) that ./configure
    generate.
    
    iasl hasn't been download by our build system for a while and the
    dependency on iasl is in the main xen.git README.
    
    Make use of $< in one rule instead of spelling the %.asl file again.
    
    Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 tools/libacpi/Makefile | 17 ++++-------------
 tools/libacpi/README   |  6 ------
 2 files changed, 4 insertions(+), 19 deletions(-)

diff --git a/tools/libacpi/Makefile b/tools/libacpi/Makefile
index 2448687dbb..60860eaa00 100644
--- a/tools/libacpi/Makefile
+++ b/tools/libacpi/Makefile
@@ -38,11 +38,10 @@ MKDSDT_CFLAGS-$(CONFIG_X86) = -DCONFIG_X86
 # complete $(ACPI_BUILD_DIR) as path, even if it has '.' symbols.
 TMP_SUFFIX     = tmp
 
-vpath iasl $(PATH)
 all: $(C_SRC) $(H_SRC)
 
-$(H_SRC): $(ACPI_BUILD_DIR)/%.h: %.asl iasl
-       iasl -vs -p $(ACPI_BUILD_DIR)/$*.$(TMP_SUFFIX) -tc $<
+$(H_SRC): $(ACPI_BUILD_DIR)/%.h: %.asl
+       $(IASL) -vs -p $(ACPI_BUILD_DIR)/$*.$(TMP_SUFFIX) -tc $<
        sed -e 's/AmlCode/$*/g' -e 's/_aml_code//g' $(ACPI_BUILD_DIR)/$*.hex >$@
        rm -f $(addprefix $(ACPI_BUILD_DIR)/, $*.aml $*.hex)
  
@@ -74,21 +73,13 @@ $(ACPI_BUILD_DIR)/dsdt_anycpu_arm.asl: $(MK_DSDT)
        $(MK_DSDT) --debug=$(debug) >> $@.$(TMP_SUFFIX)
        mv -f $@.$(TMP_SUFFIX) $@
 
-$(C_SRC): $(ACPI_BUILD_DIR)/%.c: iasl $(ACPI_BUILD_DIR)/%.asl
-       iasl -vs -p $(ACPI_BUILD_DIR)/$*.$(TMP_SUFFIX) -tc 
$(ACPI_BUILD_DIR)/$*.asl
+$(C_SRC): $(ACPI_BUILD_DIR)/%.c: $(ACPI_BUILD_DIR)/%.asl
+       $(IASL) -vs -p $(ACPI_BUILD_DIR)/$*.$(TMP_SUFFIX) -tc $<
        sed -e 's/AmlCode/$*/g' -e 's/_aml_code//g' $(ACPI_BUILD_DIR)/$*.hex > 
$@.$(TMP_SUFFIX)
        echo "int $*_len=sizeof($*);" >> $@.$(TMP_SUFFIX)
        mv -f $@.$(TMP_SUFFIX) $@
        rm -f $(addprefix $(ACPI_BUILD_DIR)/, $*.aml $*.hex)
 
-iasl:
-       @echo
-       @echo "ACPI ASL compiler (iasl) is needed"
-       @echo "Download and install Intel ACPI CA from"
-       @echo "http://acpica.org/downloads/";
-       @echo 
-       @exit 1
-
 clean:
        rm -f $(C_SRC) $(H_SRC) $(MK_DSDT) $(C_SRC:=.$(TMP_SUFFIX))
        rm -f $(patsubst %.c,%.hex,$(C_SRC)) $(patsubst %.c,%.aml,$(C_SRC)) 
$(patsubst %.c,%.asl,$(C_SRC))
diff --git a/tools/libacpi/README b/tools/libacpi/README
index 2b9d6e188c..4ab5ed2de7 100644
--- a/tools/libacpi/README
+++ b/tools/libacpi/README
@@ -24,9 +24,3 @@ In case that the acpi_dsdt.asl need to be updated, please
 Follow the instruction:
 
 # make acpi_dsdt.c
-
-Note:
-DSDT compiler "iasl" is needed. By default, it will be downloaded 
-using wget in Makefile. if it failed, please download manually from 
-http://developer.intel.com/technology/iapc/acpi/downloads.htm. 
-then compile and install iasl
--
generated by git-patchbot for /home/xen/git/xen.git#master



 


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