Applied tristan957's suggestions

2 files changed, 2 insertions, 3 deletions

diff --git a/mesonbuild/cmake/generator.py b/mesonbuild/cmake/generator.py
index f274bce..a4224cc 100644
--- a/mesonbuild/cmake/generator.py
+++ b/mesonbuild/cmake/generator.py
@@ -67,7 +67,7 @@ def parse_generator_expressions(
 
     def target_file(arg: str) -> str:
         if arg not in trace.targets:
-            mlog.warning(f"Somewhere in your CMakeLists.txt you have '$<TARGET_FILE:{arg}>'. In cmake, this evaluates to the path to '{arg}'. If '{arg}' does not exist, cmake errors out. We think that '{arg}' does not exist, so we do not know its path and just return an empty string.")
+            mlog.warning(f"Unable to evaluate the cmake variable '$<TARGET_FILE:{arg}>'.")
             return ''
         tgt = trace.targets[arg]
 
diff --git a/mesonbuild/cmake/traceparser.py b/mesonbuild/cmake/traceparser.py
index e841c7a..04c40a9 100644
--- a/mesonbuild/cmake/traceparser.py
+++ b/mesonbuild/cmake/traceparser.py
@@ -236,8 +236,7 @@ class CMakeTraceParser:
             for command, src in zip(ctgt.command, temp):
                 if command[0] == "":
                     raise CMakeException(
-                        "We have a problem: We would like to generate a recipe for a target that should be generated by the custom command %s\nThe problem is that the executable that should be called, here: '%s', is a variable that evaluates to an empty string. An empty string is not a valid path to an executable so ninja will not be able to call it."
-                        % (repr(src), src[0])
+                        "We evaluated the cmake variable '{}' to an empty string, which is not a valid path to an executable.".format(src[0])
                     )
             ctgt.working_dir = Path(parse_generator_expressions(str(ctgt.working_dir), self)) if ctgt.working_dir is not None else None