diff options
Diffstat (limited to 'src/cc.mk')
| -rw-r--r-- | src/cc.mk | 29 |
1 files changed, 15 insertions, 14 deletions
@@ -1,26 +1,27 @@ -# Copyright 2008 Roy Marples +# Copyright 2008 Roy Marples <roy@marples.name> # Setup some good default CFLAGS -CFLAGS ?= -O2 -pipe +CFLAGS?= -O2 -pipe +CSTD?= c99 # GNU Make way of detecting gcc flags we can use -check_gcc=$(shell if $(CC) $(1) -S -o /dev/null -xc /dev/null >/dev/null 2>&1; \ - then echo "$(1)"; else echo "$(2)"; fi) +check_gcc=$(shell if ${CC} $(1) -S -o /dev/null -xc /dev/null >/dev/null 2>&1; \ + then echo "$(1)"; else echo "$(2)"; fi) # pmake check for extra cflags -WEXTRA != for x in -Wdeclaration-after-statement -Wsequence-point -Wextra; do \ - if $(CC) $$x -S -o /dev/null -xc /dev/null >/dev/null 2>&1; \ +WEXTRA!= for x in -Wdeclaration-after-statement -Wsequence-point -Wextra; do \ + if ${CC} $$x -S -o /dev/null -xc /dev/null >/dev/null 2>&1; \ then echo -n "$$x "; fi \ done # Loads of nice flags to ensure our code is good -CFLAGS += -pedantic -std=c99 \ - -Wall -Wunused -Wimplicit -Wshadow -Wformat=2 \ - -Wmissing-declarations -Wno-missing-prototypes -Wwrite-strings \ - -Wbad-function-cast -Wnested-externs -Wcomment -Winline \ - -Wchar-subscripts -Wcast-align -Wno-format-nonliteral \ - $(call check_gcc, -Wdeclaration-after-statement) \ - $(call check_gcc, -Wsequence-point) \ - $(call check_gcc, -Wextra) $(WEXTRA) +CFLAGS+= -pedantic -std=${CSTD} \ + -Wall -Wunused -Wimplicit -Wshadow -Wformat=2 \ + -Wmissing-declarations -Wno-missing-prototypes -Wwrite-strings \ + -Wbad-function-cast -Wnested-externs -Wcomment -Winline \ + -Wchar-subscripts -Wcast-align -Wno-format-nonliteral \ + $(call check_gcc, -Wdeclaration-after-statement) \ + $(call check_gcc, -Wsequence-point) \ + $(call check_gcc, -Wextra) ${WEXTRA} |