#######################################
  # Git information
  # Thanks to https://nullpointer.io/post/easily-embed-version-information-in-software-releases/
  #######################################
  
  ifneq (, $(shell which git))
  GIT_VERSION := $(shell git --no-pager describe --tags --always)
  GIT_COMMIT  := $(shell git rev-parse --verify HEAD)
  GIT_DATE    := $(firstword $(shell git --no-pager show --date=iso-strict --format="%ad" --name-only))
  BUILD_DATE  := $(shell date -u +"%Y-%m-%dT%H:%M:%SZ")
  
  # If working tree is dirty, append dirty flag
  ifneq ($(strip $(shell git status --porcelain 2>/dev/null)),)
   GIT_VERSION := $(GIT_VERSION)--dirty
  endif
  endif
  
  GIT_DEFS = \
      -DGIT_VERSION=\"$(GIT_VERSION)\" \
      -DGIT_COMMIT=\"$(GIT_COMMIT)\" \
      -DGIT_DATE=\"$(GIT_DATE)\" \
      -DBUILD_DATE=\"$(BUILD_DATE)\"
  
  CFLAGS += $(GIT_DEFS)