build.sh

#!/bin/bash

cflags="-O3 -std=c++14 -ggdb3 -frecord-gcc-switches"
ldflags="-grecord-gcc-switches -gcolumn-info"

# Cleanup
rm -rf obj
rm test test.pdb
mkdir -p obj

# Objects
g++ $cflags -MMD -MF obj/foo.d -c -o obj/foo.o foo.cpp
g++ $cflags -MMD -MF obj/io.d -c -o obj/io.o io.cpp

# Create our debug info
ld -r -b binary -o obj/cc.o obj/foo.d obj/io.d
objcopy --rename-section=.data=.ccinfo obj/cc.o
objcopy --set-section-flags .ccinfo=debug obj/cc.o

# Link step
g++ $ldflags -o test obj/cc.o obj/foo.o obj/io.o

# Setup debug info
objcopy --only-keep-debug test test.pdb
strip test
objcopy --remove-section .GCC.command.line test
objcopy --remove-section .ccinfo test
objcopy --add-gnu-debuglink=test.pdb test