Merge topic 'FindGLUT-pkg-config'

f90d15458a FindGLUT: Use pkg-config to find flags if available
f3f0401187 FindGLUT: Reduce if/else nesting and indentation
bece79f9be Tests: Add case covering FindGLUT variables and imported targets

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !6251

4 files changed, 38 insertions, 0 deletions

diff --git a/Tests/CMakeLists.txt b/Tests/CMakeLists.txt
index 341aba6..388ff20 100644
--- a/Tests/CMakeLists.txt
+++ b/Tests/CMakeLists.txt
@@ -1442,6 +1442,7 @@ if(BUILD_TESTING)
             GIF
             Git
             GLEW
+            GLUT
             GnuTLS
             GSL
             GTK2
diff --git a/Tests/FindGLUT/CMakeLists.txt b/Tests/FindGLUT/CMakeLists.txt
new file mode 100644
index 0000000..e75ec40
--- /dev/null
+++ b/Tests/FindGLUT/CMakeLists.txt
@@ -0,0 +1,9 @@
+add_test(NAME FindGLUT.Test COMMAND ${CMAKE_CTEST_COMMAND}
+  --build-and-test
+  "${CMake_SOURCE_DIR}/Tests/FindGLUT/Test"
+  "${CMake_BINARY_DIR}/Tests/FindGLUT/Test"
+  ${build_generator_args}
+  --build-project TestFindGLUT
+  --build-options ${build_options}
+  --test-command ${CMAKE_CTEST_COMMAND} -V
+  )
diff --git a/Tests/FindGLUT/Test/CMakeLists.txt b/Tests/FindGLUT/Test/CMakeLists.txt
new file mode 100644
index 0000000..0f4e536
--- /dev/null
+++ b/Tests/FindGLUT/Test/CMakeLists.txt
@@ -0,0 +1,17 @@
+cmake_minimum_required(VERSION 3.21)
+project(TestFindGLUT C)
+include(CTest)
+
+find_package(GLUT REQUIRED)
+
+add_executable(testglut_tgt main.c)
+target_link_libraries(testglut_tgt GLUT::GLUT)
+add_test(NAME testglut_tgt COMMAND testglut_tgt)
+
+add_executable(testglut_var main.c)
+target_include_directories(testglut_var PRIVATE ${GLUT_INCLUDE_DIRS})
+target_link_libraries(testglut_var PRIVATE ${GLUT_LIBRARIES})
+add_test(NAME testglut_var COMMAND testglut_var)
+
+set_tests_properties(testglut_tgt testglut_var
+    PROPERTIES WILL_FAIL true)
diff --git a/Tests/FindGLUT/Test/main.c b/Tests/FindGLUT/Test/main.c
new file mode 100644
index 0000000..1c8569c
--- /dev/null
+++ b/Tests/FindGLUT/Test/main.c
@@ -0,0 +1,11 @@
+#include <GL/glut.h>
+#include <stdio.h>
+
+int main()
+{
+  /* The following should call exit(1) and print
+      freeglut  ERROR:  Function <glutCreateWindow> called
+      without first calling 'glutInit'.
+    to stderr */
+  glutCreateWindow("gluttest");
+}