abel0b

# Check if a library exists
define lib_exists
echo "int main(){}" | g++ -x c++ -Wl,--no-as-needed -l$(1) -
endef

# Update a git submodule
define update_external
if git submodule status external/$(1) | egrep -q '^[-]|^[+]'; then\
    git submodule update --init  external/$(1);\
fi

abel0b

// how to locate application data %AppData% directory path on Windows 10 MSVC
// see on documentation https://docs.microsoft.com/en-us/windows/win32/api/shlobj_core/nf-shlobj_core-shgetknownfolderpath?redirectedfrom=MSDN
// compiled with  cl .\appdata.c Shell32.lib

#include <stdlib.h>
#include <stdio.h>
#include <shlobj_core.h>
#include <direct.h>

int main() {