project('devenv', 'c') meson.add_devenv('TEST_A=1') foo_dep = dependency('foo', fallback: 'sub') env = environment() env.append('TEST_B', ['2', '3'], separator: '+') meson.add_devenv(env) meson.add_devenv({'TEST_B': '0'}, separator: '+', method: 'prepend') env = environment({'TEST_B': ['4']}, separator: '+', method: 'append') meson.add_devenv(env) # This exe links on a library built in another directory. On Windows this means # PATH must contain builddir/subprojects/sub to be able to run it. executable('app', 'main.c', dependencies: foo_dep, install: true) env = environment({'TEST_C': ['/prefix']}, method: 'prepend') meson.add_devenv(env) env = environment({'TEST_C': ['/suffix']}, method: 'append') meson.add_devenv(env)