Merge pull request #198 from maxgerhardt/patch-4

Fix PIO build for funconfig branch

add_include.py

+from os.path import join
+Import("env", "projenv")
+# propagate to all construction environments
+for e in env, projenv, DefaultEnvironment():
+   e.Append(CCFLAGS=[("-I", join("examples", env.subst("$PIOENV")))])

platformio.ini

@@ -15,7 +15,9 @@ extends = fun_base
 ; for examples that use ch32v003fun as their base
 [fun_base]
 board_build.ldscript = ch32v003fun/ch32v003fun.ld
-build_flags = -flto -Ich32v003fun -I/usr/include/newlib -lgcc -Iextralibs -I"examples/$PIOENV"
+build_flags = -flto -Ich32v003fun -I/usr/include/newlib -lgcc -Iextralibs
+; dynamically add "examples/$PIOENV" to the include path
+extra_scripts = add_include.py
 build_src_filter = +<ch32v003fun>
 extra_libs_srcs = +<extralibs>