add self-testing

Author: scivision

CMakeLists.txt

@@ -1,5 +1,8 @@
 cmake_minimum_required(VERSION 3.14...3.28)
 project(GKlib LANGUAGES C)
+enable_testing()
+
+option(BUILD_TESTING "Build tests" ON)
 
 option(BUILD_SHARED_LIBS "Build shared libraries (.dll/.so) instead of static ones (.lib/.a)" OFF)
 
@@ -30,7 +33,9 @@ $<$<BOOL:${UNIX}>:m>
 $<$<BOOL:${OPENMP}>:OpenMP::OpenMP_C>
 )
 
+if(BUILD_TESTING)
 add_subdirectory(test)
+endif()
 
 install(TARGETS GKlib)
 install(FILES ${GKlib_includes} TYPE INCLUDE)

test/CMakeLists.txt

@@ -11,9 +11,12 @@ add_executable(cmpnbrs cmpnbrs.c)
 add_executable(splatt2svd splatt2svd.c)
 add_executable(gkuniq gkuniq.c)
 
-foreach(prog strings gksort fis gkrw gkgraph csrcnv grKx m2mnbrs cmpnbrs splatt2svd gkuniq)
-  target_link_libraries(${prog} GKlib)
-endforeach(prog)
+foreach(prog IN ITEMS strings gksort fis gkrw gkgraph csrcnv grKx m2mnbrs cmpnbrs splatt2svd gkuniq)
+  target_link_libraries(${prog} PRIVATE GKlib)
+  if(NOT prog MATCHES "m2mnbrs|cmpnbrs|splatt2svd")
+    add_test(NAME ${prog} COMMAND ${prog})
+  endif()
+endforeach()
 
 # Install a subset of them
-install(TARGETS csrcnv RUNTIME DESTINATION bin)
+install(TARGETS csrcnv)