[PATCH v1] libacpi: use temporary files for generated files

[Olaf Hering <olaf@xxxxxxxxx>]

Use a temporay file, and move it in place once done.
The same pattern exists already for other dependencies.

Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>
---
 tools/libacpi/Makefile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/libacpi/Makefile b/tools/libacpi/Makefile
index c17f3924cc..2cc4cc585b 100644
--- a/tools/libacpi/Makefile
+++ b/tools/libacpi/Makefile
@@ -43,7 +43,8 @@ all: $(C_SRC) $(H_SRC)
 
 $(H_SRC): $(ACPI_BUILD_DIR)/%.h: %.asl iasl
        iasl -vs -p $(ACPI_BUILD_DIR)/$*.$(TMP_SUFFIX) -tc $<
-       sed -e 's/AmlCode/$*/g' -e 's/_aml_code//g' $(ACPI_BUILD_DIR)/$*.hex >$@
+       sed -e 's/AmlCode/$*/g' -e 's/_aml_code//g' $(ACPI_BUILD_DIR)/$*.hex 
>$@.$(TMP_SUFFIX)
+       mv -f $@.$(TMP_SUFFIX) $@
        rm -f $(addprefix $(ACPI_BUILD_DIR)/, $*.aml $*.hex)
  
 $(MK_DSDT): mk_dsdt.c