Squashed 'gitstatus/' changes from b226d8e06..f889c13d1

f889c13d1 build: clean up dragonfly support (#297)
2b6366fbd Merge branch 'msvetlik-dragonflybsd-support'
409c791eb Added detection of DragonflyBSD and tested compilation on v6.2.1

git-subtree-dir: gitstatus
git-subtree-split: f889c13d18fbf6f3109d6889be34d50af04d99b9

build

@@ -100,7 +100,7 @@ if [ -n "$gitstatus_install_tools" ]; then
         exit 1
       fi
     ;;
-    freebsd)
+    freebsd|dragonfly)
       command pkg install -y cmake gmake binutils git perl5 wget
     ;;
     openbsd)
@@ -175,11 +175,20 @@ fi
 
 command rm -f -- "$workdir"/cc-test "$workdir"/cc-test.o
 if 2>/dev/null "$CC"          \
-     -fstack-clash-protection -fcf-protection \
+     -fstack-clash-protection \
      -Werror                  \
      -c "$workdir"/cc-test.c  \
      -o "$workdir"/cc-test.o; then
-  cflags="$cflags -fstack-clash-protection -fcf-protection"
+  cflags="$cflags -fstack-clash-protection"
+fi
+
+command rm -f -- "$workdir"/cc-test "$workdir"/cc-test.o
+if 2>/dev/null "$CC"         \
+     -fcf-protection         \
+     -Werror                 \
+     -c "$workdir"/cc-test.c \
+     -o "$workdir"/cc-test.o; then
+  cflags="$cflags -fcf-protection"
 fi
 
 command rm -f -- "$workdir"/cc-test "$workdir"/cc-test.o
@@ -224,6 +233,12 @@ case "$gitstatus_kernel" in
     gitstatus_ldflags="$gitstatus_ldflags ${static_pie:--static}"
     libgit2_cmake_flags="$libgit2_cmake_flags -DENABLE_REPRODUCIBLE_BUILDS=ON"
   ;;
+  dragonfly)
+    gitstatus_cxx=clang++12
+    gitstatus_make=gmake
+    gitstatus_ldflags="$gitstatus_ldflags ${static_pie:--static}"
+    libgit2_cmake_flags="$libgit2_cmake_flags -DENABLE_REPRODUCIBLE_BUILDS=ON"
+  ;;
   openbsd)
     gitstatus_cxx=eg++
     gitstatus_make=gmake
@@ -574,7 +589,7 @@ case "$gitstatus_kernel" in
       fi
     fi
   ;;
-  freebsd|openbsd|netbsd|darwin)
+  freebsd|openbsd|netbsd|darwin|dragonfly)
     if [ -n "$docker_cmd" ]; then
       >&2 echo "[error] docker (-d) is not supported on $gitstatus_kernel"
       exit 1