How to pass MonoDevelop build configuration to Makefile?

MonoDevelop supports Makefile integration.
But how do I know current build configuration (Debug/Release) from inside of Makefile?

Solution

Apparently, you can't do that. Um, okay.

Undefined reference to 'owr_init' (linker error)
Makefile produces error "No rule to make target"
Selecting a compiler for a make file
UNIX - makefile help!
How can I get dev tools (such as make) for Mac OS X via the command line
CMake does not properly find CUDA library
How to overload Makefile rules?
What is the difference between make and gcc?
Makefile: Getting "`target' is up to date"
Whats the simplest MAKEFILE I could have the works for a single C file?
Compiling standalone ASIO with Makefile on Linux
How to build `tmux` against a custom built `libevent`?
Compiling with g++ using multiple cores
Why is Premake5 producing incorrect file separator on Windows?
process_begin: CreateProcess(NULL, ls, ...) failed. make (e=2): The system cannot find the file specified
How to extract filename without extension in Makefile
Set compiler name in the Makefile
How do I print a multiline make variable directly into a pipeline?
Makefile .NOTPARALLEL: target, make the whole makefile not parallel, instead of just the specified target
Is it possible to set CFLAGS to a linux kernel module Makefile?
using grep inside make to check if a file contains an export to PATH
Makefile: Generate rules from a pair of variables
setlocal EnableDelayedExpansion in Makefile (Microsoft Windows)
OpenCV GTK+2.x error - "Unspecified error (The function is not implemented...)"
How to fix a simple error in Atmel studio
How to compile GCC for android?
Installing GCC Make on Windows 7 x64
Webhooks for branching in Gitlab
Copy multiple files in Makefile using freebsd make
log file as makefile target