Makefile change for cross compiling. (#3176)

Working from wsl and compiling for windows this change makes it much easier to compile a static library for windows on arm.
To compile a static library for windows on arm:

```
make PLATFORM=PLATFORM_DESKTOP TARGET_OS=WINDOWS CROSS_CC=/llvm/bin/aarch64-w64-mingw32-gcc CROSS_AR=/llvm/bin/aarch64-w64-mingw32-ar
```

This does not work to compile a shared library yet, only static.
This commit is contained in:
Michael Anghelone 2023-07-16 07:08:55 -04:00 committed by GitHub
parent b980268ba7
commit 70286c7cdc
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@ -308,6 +308,17 @@ ifeq ($(PLATFORM),PLATFORM_ANDROID)
AR = $(ANDROID_TOOLCHAIN)/bin/llvm-ar
endif
# This section is here to help handle cross compilation. eg build on Linux for Windows. If you are doing this, you better know what you are doing!
ifdef TARGET_OS
ifdef CROSS_CC
CC = ${CROSS_CC}
endif
ifdef CROSS_AR
AR = ${CROSS_AR}
endif
PLATFORM_OS = ${TARGET_OS}
endif
# Define compiler flags: CFLAGS
#------------------------------------------------------------------------------------------------
# -O1 defines optimization level