Make singleheader tests be test-only

CMakeLists.txt

@@ -13,8 +13,8 @@ set(SIMDJSON_LIB_SOVERSION "1" CACHE STRING "simdjson library soversion")
 set(SIMDJSON_GITHUB_REPOSITORY https://github.com/simdjson/simdjson)
 
 include(GNUInstallDirs)
-include(simdjson-flags.cmake)
-include(simdjson-user-cmakecache.cmake)
+include(cmake/simdjson-flags.cmake)
+include(cmake/simdjson-user-cmakecache.cmake)
 
 if(SIMDJSON_JUST_LIBRARY)
   MESSAGE( STATUS "Building just the library, omitting all tests, tools and benchmarks." )

cmake/add_cpp_test.cmake

@@ -3,19 +3,23 @@
 # SOURCES defaults to testname.cpp if not specified.
 function(add_cpp_test TEST_NAME)
   # Parse arguments
-  cmake_parse_arguments(PARSE_ARGV 1 ARGS "COMPILE_ONLY;WILL_FAIL" "" "SOURCES;LABELS")
+  cmake_parse_arguments(PARSE_ARGV 1 ARGS "COMPILE_ONLY;LIBRARY;WILL_FAIL" "" "SOURCES;LABELS")
   if (NOT ARGS_SOURCES)
     list(APPEND ARGS_SOURCES ${TEST_NAME}.cpp)
   endif()
-  if (COMPILE_ONLY)
+  if (ARGS_COMPILE_ONLY)
     list(APPEND ${ARGS_LABELS} compile)
   endif()
 
-  # Add executable
-  add_executable(${TEST_NAME} ${ARGS_SOURCES})
+  # Add the compile target
+  if (ARGS_LIBRARY)
+    add_library(${TEST_NAME} STATIC ${ARGS_SOURCES})
+  else(ARGS_LIBRARY)
+    add_executable(${TEST_NAME} ${ARGS_SOURCES})
+  endif(ARGS_LIBRARY)
 
   # Add test
-  if (ARGS_COMPILE_ONLY)
+  if (ARGS_COMPILE_ONLY OR ARGS_LIBRARY)
     add_test(
       NAME ${TEST_NAME}
       COMMAND ${CMAKE_COMMAND} --build . --target ${TEST_NAME} --config $<CONFIGURATION>
@@ -34,3 +38,12 @@ function(add_cpp_test TEST_NAME)
     set_property(TEST ${TEST_NAME} PROPERTY WILL_FAIL TRUE)
   endif()
 endfunction()
+
+function(add_compile_only_test TEST_NAME)
+  add_test(
+    NAME ${TEST_NAME}
+    COMMAND ${CMAKE_COMMAND} --build . --target ${TEST_NAME} --config $<CONFIGURATION>
+    WORKING_DIRECTORY ${PROJECT_BINARY_DIR}
+  )
+  set_target_properties(${TEST_NAME} PROPERTIES EXCLUDE_FROM_ALL TRUE EXCLUDE_FROM_DEFAULT_BUILD TRUE)
+endfunction()

cmake/simdjson-flags.cmake

@@ -1,4 +1,5 @@
 option(SIMDJSON_JUST_LIBRARY "Build just the library, omit tests, tools and benchmarks" OFF)
+
 #
 # Flags used by exes and by the simdjson library (project-wide flags)
 #

singleheader/CMakeLists.txt

@@ -1,3 +1,5 @@
+include(${PROJECT_SOURCE_DIR}/cmake/add_cpp_test.cmake)
+
 #
 # Amalgamation
 #
@@ -122,6 +124,7 @@ install(FILES simdjson.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
 
 add_library(simdjson-singleheader STATIC "")
 target_link_libraries(simdjson-singleheader simdjson-singleheader-source simdjson-internal-flags)
+add_compile_only_test(simdjson-singleheader)
 
 #
 # Test the existing simdjson.cpp/simdjson.h using the existing amalgamate_demo.cpp, using

tests/CMakeLists.txt

@@ -37,7 +37,7 @@ endfunction()
 # Most tests need test data, and many need windows headers.
 link_libraries(simdjson-internal-flags test-data simdjson-windows-headers)
 
-include(${PROJECT_SOURCE_DIR}/tests/add_cpp_test.cmake)
+include(${PROJECT_SOURCE_DIR}/cmake/add_cpp_test.cmake)
 
 #
 # These tests explicitly do #include "simdjson.cpp" so they can override stuff