FindLibRHash: Add module to find the librhash package

Add it to a private source directory that is not installed so that we
can use it for building CMake itself.  This will allow it to mature
before being distributed publicly.

4 files changed, 38 insertions, 0 deletions

diff --git a/Tests/CMakeLists.txt b/Tests/CMakeLists.txt
index 5d72e5c..3a3c76c 100644
--- a/Tests/CMakeLists.txt
+++ b/Tests/CMakeLists.txt
@@ -1377,6 +1377,10 @@ ${CMake_BINARY_DIR}/bin/cmake -DDIR=dev -P ${CMake_SOURCE_DIR}/Utilities/Release
     add_subdirectory(FindJsonCpp)
   endif()
 
+  if(CMake_TEST_FindLibRHash)
+    add_subdirectory(FindLibRHash)
+  endif()
+
   if(CMake_TEST_FindLibUV)
     add_subdirectory(FindLibUV)
   endif()
diff --git a/Tests/FindLibRHash/CMakeLists.txt b/Tests/FindLibRHash/CMakeLists.txt
new file mode 100644
index 0000000..4d3954d
--- /dev/null
+++ b/Tests/FindLibRHash/CMakeLists.txt
@@ -0,0 +1,10 @@
+add_test(NAME FindLibRHash.Test COMMAND
+  ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
+  --build-and-test
+  "${CMake_SOURCE_DIR}/Tests/FindLibRHash/Test"
+  "${CMake_BINARY_DIR}/Tests/FindLibRHash/Test"
+  ${build_generator_args}
+  --build-project TestFindLibRHash
+  --build-options ${build_options}
+  --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
+  )
diff --git a/Tests/FindLibRHash/Test/CMakeLists.txt b/Tests/FindLibRHash/Test/CMakeLists.txt
new file mode 100644
index 0000000..37e062a
--- /dev/null
+++ b/Tests/FindLibRHash/Test/CMakeLists.txt
@@ -0,0 +1,17 @@
+cmake_minimum_required(VERSION 3.7)
+project(TestFindLibRHash C)
+include(CTest)
+
+# CMake does not actually provide FindLibRHash publicly.
+set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../../../Source/Modules)
+
+find_package(LibRHash REQUIRED)
+
+add_executable(test_librhash_tgt main.c)
+target_link_libraries(test_librhash_tgt LibRHash::LibRHash)
+add_test(NAME test_librhash_tgt COMMAND test_librhash_tgt)
+
+add_executable(test_librhash_var main.c)
+target_include_directories(test_librhash_var PRIVATE ${LibRHash_INCLUDE_DIRS})
+target_link_libraries(test_librhash_var PRIVATE ${LibRHash_LIBRARIES})
+add_test(NAME test_librhash_var COMMAND test_librhash_var)
diff --git a/Tests/FindLibRHash/Test/main.c b/Tests/FindLibRHash/Test/main.c
new file mode 100644
index 0000000..201dced
--- /dev/null
+++ b/Tests/FindLibRHash/Test/main.c
@@ -0,0 +1,7 @@
+#include <rhash.h>
+
+int main()
+{
+  rhash_library_init();
+  return 0;
+}