CTest: Fail early without PROJECT_BINARY_DIR (#14005)

Do not use PROJECT_BINARY_DIR before it is defined.  If it is not
defined when needed, fail with an error message suggesting that the
project() command be invoked first.

5 files changed, 19 insertions, 0 deletions

diff --git a/Tests/RunCMake/CTest/BeforeProject-result.txt b/Tests/RunCMake/CTest/BeforeProject-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/CTest/BeforeProject-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/CTest/BeforeProject-stderr.txt b/Tests/RunCMake/CTest/BeforeProject-stderr.txt
new file mode 100644
index 0000000..354896b
--- /dev/null
+++ b/Tests/RunCMake/CTest/BeforeProject-stderr.txt
@@ -0,0 +1,6 @@
+CMake Error at .*/Modules/CTest.cmake:[0-9]+ \(build_command\):
+  build_command\(\) requires CMAKE_MAKE_PROGRAM to be defined.  Call project\(\)
+  or enable_language\(\) first.
+Call Stack \(most recent call first\):
+  BeforeProject.cmake:[0-9]+ \(include\)
+  CMakeLists.txt:[0-9]+ \(include\)
diff --git a/Tests/RunCMake/CTest/BeforeProject.cmake b/Tests/RunCMake/CTest/BeforeProject.cmake
new file mode 100644
index 0000000..903ca69
--- /dev/null
+++ b/Tests/RunCMake/CTest/BeforeProject.cmake
@@ -0,0 +1,2 @@
+include(CTest)
+project(${RunCMake_TEST} NONE)
diff --git a/Tests/RunCMake/CTest/CMakeLists.txt b/Tests/RunCMake/CTest/CMakeLists.txt
new file mode 100644
index 0000000..f6e84c0
--- /dev/null
+++ b/Tests/RunCMake/CTest/CMakeLists.txt
@@ -0,0 +1,5 @@
+cmake_minimum_required(VERSION 2.8)
+if(NOT NoProject)
+  project(${RunCMake_TEST} NONE)
+endif()
+include(${RunCMake_TEST}.cmake)
diff --git a/Tests/RunCMake/CTest/RunCMakeTest.cmake b/Tests/RunCMake/CTest/RunCMakeTest.cmake
new file mode 100644
index 0000000..a6f6842
--- /dev/null
+++ b/Tests/RunCMake/CTest/RunCMakeTest.cmake
@@ -0,0 +1,5 @@
+include(RunCMake)
+
+set(RunCMake_TEST_OPTIONS -DNoProject=1)
+run_cmake(BeforeProject)
+unset(RunCMake_TEST_OPTIONS)