2 optimize : [ O1, O2, O3, Ofast, Os ]
8 csettings : [ -mlittle-endian, -gdwarf-3, "-%{optimize}", -fmessage-length=0, -fsigned-char, -ffunction-sections, -fdata-sections ]
9 cwarnings : [ -Wall, -Wextra, -Wshadow, -Wundef, -Wstrict-prototypes ]
11 cflags : [ -xc, -std=gnu99, -c, "-march=${arch}", "-mtune=${cpu}", "-mfloat-abi=${float}", "${csettings}", "${cwarnings}" ]
12 asmflags : [ -c, "-march=${arch}", "-mtune=${cpu}", "-mfloat-abi=${float}", "${csettings}", "${cwarnings}" ]
13 linkflags : [ "-march=${arch}", "-mtune=${cpu}", "-mfloat-abi=${float}", "${csettings}", "${cwarnings}", "-Xlinker -Map=${builddir}/${targetName}.map", --specs=nano.specs, --specs=rdimon.specs ]
14 linkscript : "config/core_m/rtebuild.ld"
26 cflags : [ "-mfpu=${fpu}", -mcmse ]
27 asmflags : [ "-mfpu=${fpu}" ]
28 linkflags: [ "-mfpu=${fpu}" ]
34 cflags : [ "-mfpu=${fpu}", -mcmse ]
35 asmflags : [ "-mfpu=${fpu}" ]
36 linkflags: [ "-mfpu=${fpu}" ]