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+Minor build system fixes
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+
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+Usual build system fixes to allow CC/CFLAGS/LDFLAGS to be overriden
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+from the command line, and completed by additional flags from the
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+Makefile.
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+
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+Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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+
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+Index: b/Makefile
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+===================================================================
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+--- a/Makefile
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++++ b/Makefile
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+@@ -12,9 +12,10 @@
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+ # (at your option) any later version.
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+ #
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+
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+-CC = gcc
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+-CFLAGS = -W -Wall -Wshadow -Wstrict-prototypes -Wpointer-arith -Wcast-qual \
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+- -Wcast-align -Wwrite-strings -Wmissing-prototypes -Winline -Wundef
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++CC ?= gcc
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++override CFLAGS += \
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++ -W -Wall -Wshadow -Wstrict-prototypes -Wpointer-arith -Wcast-qual \
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++ -Wcast-align -Wwrite-strings -Wmissing-prototypes -Winline -Wundef
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+ #CFLAGS += -DBIGENDIAN
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+ #CFLAGS += -DALIGNMENT_WORKAROUND
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+
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+@@ -23,7 +24,7 @@
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+ #CFLAGS += -g
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+
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+ # Pass linker flags here
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+-LDFLAGS =
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++override LDFLAGS +=
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+
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+ DESTDIR =
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+ prefix = /usr/local
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