cmake: added test case for environment variables

run_project_tests.py

@@ -35,6 +35,7 @@ from mesonbuild import mtest
 from mesonbuild.mesonlib import MachineChoice, stringlistify, Popen_safe
 from mesonbuild.coredata import backendlist
 import argparse
+import json
 import xml.etree.ElementTree as ET
 import time
 import multiprocessing
@@ -348,6 +349,7 @@ def _run_test(testdir, test_build_dir, install_dir, extra_args, compiler, backen
     compile_commands, clean_commands, install_commands, uninstall_commands = commands
     test_args = parse_test_args(testdir)
     gen_start = time.time()
+    setup_env = None
     # Configure in-process
     if pass_prefix_to_test(testdir):
         gen_args = ['--prefix', '/usr']
@@ -362,7 +364,15 @@ def _run_test(testdir, test_build_dir, install_dir, extra_args, compiler, backen
     crossfile = os.path.join(testdir, 'crossfile.ini')
     if os.path.exists(crossfile):
         gen_args.extend(['--cross-file', crossfile])
-    (returncode, stdo, stde) = run_configure(gen_args)
+    setup_env_file = os.path.join(testdir, 'setup_env.json')
+    if os.path.exists(setup_env_file):
+        setup_env = os.environ.copy()
+        with open(setup_env_file, 'r') as fp:
+            data = json.load(fp)
+            for key, val in data.items():
+                val = val.replace('@ROOT@', os.path.abspath(testdir))
+                setup_env[key] = val
+    (returncode, stdo, stde) = run_configure(gen_args, env=setup_env)
     try:
         logfile = Path(test_build_dir, 'meson-logs', 'meson-log.txt')
         mesonlog = logfile.open(errors='ignore', encoding='utf-8').read()

run_tests.py

@@ -222,28 +222,33 @@ def clear_meson_configure_class_caches():
     mesonbuild.dependencies.PkgConfigDependency.pkgbin_cache = {}
     mesonbuild.dependencies.PkgConfigDependency.class_pkgbin = mesonlib.PerMachine(None, None)
 
-def run_configure_inprocess(commandlist):
+def run_configure_inprocess(commandlist, env=None):
     old_stdout = sys.stdout
     sys.stdout = mystdout = StringIO()
     old_stderr = sys.stderr
     sys.stderr = mystderr = StringIO()
+    old_environ = os.environ.copy()
+    if env is not None:
+        os.environ.update(env)
     try:
         returncode = mesonmain.run(commandlist, get_meson_script())
     finally:
         sys.stdout = old_stdout
         sys.stderr = old_stderr
         clear_meson_configure_class_caches()
+        os.environ.clear()
+        os.environ.update(old_environ)
     return returncode, mystdout.getvalue(), mystderr.getvalue()
 
-def run_configure_external(full_command):
-    pc, o, e = mesonlib.Popen_safe(full_command)
+def run_configure_external(full_command, env=None):
+    pc, o, e = mesonlib.Popen_safe(full_command, env=env)
     return pc.returncode, o, e
 
-def run_configure(commandlist):
+def run_configure(commandlist, env=None):
     global meson_exe
     if meson_exe:
-        return run_configure_external(meson_exe + commandlist)
-    return run_configure_inprocess(commandlist)
+        return run_configure_external(meson_exe + commandlist, env=env)
+    return run_configure_inprocess(commandlist, env=env)
 
 def print_system_info():
     print(mlog.bold('System information.').get_text(mlog.colorize_console))

test cases/linuxlike/13 cmake dependency/cmake_pref_env/lib/cmake/cmMesonTestDep/cmMesonTestDepConfig.cmake

@@ -0,0 +1,9 @@
+find_package(ZLIB)
+
+if(ZLIB_FOUND OR ZLIB_Found)
+  set(cmMesonTestDep_FOUND        ON)
+  set(cmMesonTestDep_LIBRARIES    ${ZLIB_LIBRARY})
+  set(cmMesonTestDep_INCLUDE_DIRS ${ZLIB_INCLUDE_DIR})
+else()
+  set(cmMesonTestDep_FOUND       OFF)
+endif()

test cases/linuxlike/13 cmake dependency/meson.build

@@ -36,6 +36,10 @@ depf2 = dependency('ZLIB', required : false, method : 'cmake', modules : 'dfggh:
 
 assert(depf2.found() == false, 'Invalid CMake targets should fail')
 
+# Try to find cmMesonTestDep in a custom prefix
+
+depPrefEnv = dependency('cmMesonTestDep', required : true, method : 'cmake')
+
 # Try to find a dependency with a custom CMake module
 
 depm1 = dependency('SomethingLikeZLIB', required : true, method : 'cmake', cmake_module_path : 'cmake')

test cases/linuxlike/13 cmake dependency/setup_env.json

@@ -0,0 +1,3 @@
+{
+  "CMAKE_PREFIX_PATH": "@ROOT@/cmake_pref_env"
+}