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soc/software/Makefile: Fix Makefile depend generation. 

Previously the flags were not actually set and the *.d files were never
actually generated.
This commit is contained in:
Tim 'mithro' Ansell 2016-10-27 23:54:42 +11:00
parent 7a9cf57cfe
commit 35ba9cf735
1 changed files with 6 additions and 4 deletions
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10
litex/soc/software/common.mak
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@ -34,17 +34,19 @@ else
OBJCOPY = $(OBJCOPY_quiet) OBJCOPY = $(OBJCOPY_quiet)
endif endif
# http://scottmcpeak.com/autodepend/autodepend.html
# Generate *.d Makefile dependencies fragments, include using;
# -include $(OBJECTS:.o=.d)
DEPFLAGS += -MD -MP
# Toolchain options # Toolchain options
# #
INCLUDES = -I$(SOC_DIRECTORY)/software/include/base -I$(SOC_DIRECTORY)/software/include -I$(SOC_DIRECTORY)/common -I$(BUILDINC_DIRECTORY) INCLUDES = -I$(SOC_DIRECTORY)/software/include/base -I$(SOC_DIRECTORY)/software/include -I$(SOC_DIRECTORY)/common -I$(BUILDINC_DIRECTORY)
COMMONFLAGS = -Os $(CPUFLAGS) -fomit-frame-pointer -Wall -fno-builtin -nostdinc $(INCLUDES) COMMONFLAGS = $(DEPFLAGS) -Os $(CPUFLAGS) -fomit-frame-pointer -Wall -fno-builtin -nostdinc $(INCLUDES)
CFLAGS = $(COMMONFLAGS) -fexceptions -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes CFLAGS = $(COMMONFLAGS) -fexceptions -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes
CXXFLAGS = $(COMMONFLAGS) -std=c++11 -I$(SOC_DIRECTORY)/software/include/basec++ -fexceptions -fno-rtti -ffreestanding CXXFLAGS = $(COMMONFLAGS) -std=c++11 -I$(SOC_DIRECTORY)/software/include/basec++ -fexceptions -fno-rtti -ffreestanding
LDFLAGS = -nostdlib -nodefaultlibs -L$(BUILDINC_DIRECTORY) LDFLAGS = -nostdlib -nodefaultlibs -L$(BUILDINC_DIRECTORY)
# compile and generate dependencies, based on
# http://scottmcpeak.com/autodepend/autodepend.html
define compilexx define compilexx
$(CX) -c $(CXXFLAGS) $(1) $< -o $@ $(CX) -c $(CXXFLAGS) $(1) $< -o $@
endef endef