27 lines
921 B
Makefile
27 lines
921 B
Makefile
# Copyright 2008 Roy Marples <roy@marples.name>
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# Setup some good default CFLAGS
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CFLAGS?= -O2 -pipe
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# GNU Make way of detecting gcc flags we can use
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check_gcc=$(shell if ${CC} $(1) -S -o /dev/null -xc /dev/null >/dev/null 2>&1; \
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then echo "$(1)"; else echo "$(2)"; fi)
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# pmake check for extra cflags
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WEXTRA!= for x in -Wdeclaration-after-statement -Wsequence-point -Wextra; do \
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if ${CC} $$x -S -o /dev/null -xc /dev/null >/dev/null 2>&1; \
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then echo -n "$$x "; fi \
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done
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# Loads of nice flags to ensure our code is good
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CFLAGS+= -pedantic \
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-Wall -Wunused -Wimplicit -Wshadow -Wformat=2 \
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-Wmissing-declarations -Wno-missing-prototypes -Wwrite-strings \
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-Wbad-function-cast -Wnested-externs -Wcomment -Winline \
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-Wchar-subscripts -Wcast-align -Wno-format-nonliteral \
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$(call check_gcc, -Wdeclaration-after-statement) \
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$(call check_gcc, -Wsequence-point) \
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$(call check_gcc, -Wextra) ${WEXTRA}
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