2 optimize : [ O1, O2, Oz, Ofast, Os ]
7 csettings : [ -fno-rtti, -funsigned-char, -fshort-enums, -fshort-wchar, -mlittle-endian, -gdwarf-3, "-%{optimize}", -ffunction-sections ]
8 cwarnings : [ -Weverything, -Wno-undef, -Wno-packed, -Wno-reserved-id-macro, -Wno-unused-macros, -Wno-documentation-unknown-command, -Wno-documentation, -Wno-license-management, -Wno-parentheses-equality ]
11 cflags : [ -xc, -std=gnu99, --target=arm-arm-none-eabi, "-mcpu=${cpu}${features}", "-mfpu=${fpu}", "-mfloat-abi=${float}", -c, "${csettings}", "${cwarnings}" ]
12 asmflags : [ "--cpu ${cpu}", --li, -g ]
13 info : [ --info summarysizes, --map, --load_addr_map_info, --xref, --callgraph, --symbols, --info sizes, --info totals, --info unused, --info veneers, "--list ${builddir}/${targetName}.map" ]
14 linkflags : [ "--cpu ${cpu}", --strict, --no_remove, --entry Reset_Handler, --diag_suppress=L6314, --diag_suppress=L6092w, "${info}" ]
15 linkscript : "./config/core_m/rtebuild.sct"