diff options
| -rw-r--r-- | mesonbuild/compilers.py | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/mesonbuild/compilers.py b/mesonbuild/compilers.py index 94e8a54..454cdba 100644 --- a/mesonbuild/compilers.py +++ b/mesonbuild/compilers.py @@ -12,6 +12,7 @@ # See the License for the specific language governing permissions and # limitations under the License. +import shutil import contextlib import subprocess, os.path import tempfile @@ -1274,11 +1275,20 @@ class JavaCompiler(Compiler): pc.wait() if pc.returncode != 0: raise EnvironmentException('Java compiler %s can not compile programs.' % self.name_string()) - cmdlist = [self.javarunner, obj] - pe = subprocess.Popen(cmdlist, cwd=work_dir) - pe.wait() - if pe.returncode != 0: - raise EnvironmentException('Executables created by Java compiler %s are not runnable.' % self.name_string()) + runner = shutil.which(self.javarunner) + if runner: + cmdlist = [runner, obj] + pe = subprocess.Popen(cmdlist, cwd=work_dir) + pe.wait() + if pe.returncode != 0: + raise EnvironmentException('Executables created by Java compiler %s are not runnable.' % self.name_string()) + else: + m = "Java Virtual Machine wasn't found, but it's needed by Meson. " \ + "Please install a JRE.\nIf you have specific needs where this " \ + "requirement doesn't make sense, please open a bug at " \ + "https://github.com/mesonbuild/meson/issues/new and tell us " \ + "all about it." + raise EnvironmentException(m) def needs_static_linker(self): return False |