Meson: Documentation: Environment variables

[amitdo]

I suggest you to write a reference to all the environment variables that Meson consumes and produces.

Here is what I found so far in the source code:

[Compiler]
CC - C compiler
CXX - C++ compiler
OBJCC - Objective-C compiler
OBJCXX - Objective-C++ compiler
FC - Fortran compiler

AR - Archiver Program. Used to create and update static library files that the linker uses

CPPFLAGS - C preprocessor flags
LDFLAGS - linker flags

CFLAGS - C flags
CXXFLAGS - C++ flags

FFLAGS - Fortran flags
FCFLAGS - Fortran flags

OBJCFLAGS - Objective-C flags
OBJCXXFLAGS - Objective-C++ flags

DESTDIR

MESON_SOURCE_ROOT
MESON_BUILD_ROOT
MESON_INSTALL_PREFIX
MESON_TESTTHREADS
MESON_PRINT_TEST_OUTPUT

[amitdo]

I accidentally :+1: myself... :)

[jpakkane]

I guess we could add these to the ref manual. Some of those are not really meant for regular people and/or need to be replaced with something saner.

[amitdo]

Maybe you want to add a 'Documentation' label here?

[amitdo]

More environment variables:

PKG_CONFIG
READELF
NM

https://github.com/mesonbuild/meson/wiki/Release-notes-for-0.37.0#overriding-more-binaries-with-environment-variables

[jpakkane]

Once we get our new documentation system going anyone can submit documentation fixes via pull requests. That should make the these sorts of fixes easier to do.

[amitdo]

http://mesonbuild.com/Release-notes-for-0-40-0.html#running-mesonintrospect-from-scripts

MESONINTROSPECT
MESON_SOURCE_ROOT

https://github.com/mesonbuild/meson/commit/627190faf397
MESON_FORCE_BACKTRACE