[Qemu-devel] [PATCH 1/4] pc: acpi: do not hardcode preprocessor

[Igor Mammedov <imammedo@redhat.com>]

but use one provided by environment, in addition
force C style preprocessing so that 'gcc -E' or
"clang -E" wouldn't ignore .dsl files.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
---
 hw/i386/Makefile.objs |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/hw/i386/Makefile.objs b/hw/i386/Makefile.objs
index a65473c..48014ab 100644
--- a/hw/i386/Makefile.objs
+++ b/hw/i386/Makefile.objs
@@ -18,7 +18,7 @@ iasl-option=$(shell if test -z "`$(1) $(2) 2>&1 > /dev/null`" \
 ifdef IASL
 #IASL Present. Generate hex files from .dsl
 hw/i386/%.hex: $(SRC_PATH)/hw/i386/%.dsl $(SRC_PATH)/scripts/acpi_extract_preprocess.py $(SRC_PATH)/scripts/acpi_extract.py
-	$(call quiet-command, cpp -P $(QEMU_DGFLAGS) $(QEMU_INCLUDES) $< -o $*.dsl.i.orig, "  CPP $(TARGET_DIR)$*.dsl.i.orig")
+	$(call quiet-command, $(CPP) -x c -P $(QEMU_DGFLAGS) $(QEMU_INCLUDES) $< -o $*.dsl.i.orig, "  CPP $(TARGET_DIR)$*.dsl.i.orig")
 	$(call quiet-command, $(PYTHON) $(SRC_PATH)/scripts/acpi_extract_preprocess.py $*.dsl.i.orig > $*.dsl.i, "  ACPI_PREPROCESS $(TARGET_DIR)$*.dsl.i")
 	$(call quiet-command, $(IASL) $(call iasl-option,$(IASL),-Pn,) -vs -l -tc -p $* $*.dsl.i $(if $(V), , > /dev/null) 2>&1 ,"  IASL $(TARGET_DIR)$*.dsl.i")
 	$(call quiet-command, $(PYTHON) $(SRC_PATH)/scripts/acpi_extract.py $*.lst > $*.off, "  ACPI_EXTRACT $(TARGET_DIR)$*.off")
-- 
1.7.1