build: HAVE_LIBPTHREAD, HAVE_PTHREAD(S) => HAVE_PTHREAD

3rdparty/protobuf/CMakeLists.txt

@@ -2,11 +2,8 @@ project(libprotobuf)
 
 include(CheckIncludeFiles)
 
-if(NOT MSVC)
-  check_include_files("pthread.h" HAVE_PTHREAD)
-  if(HAVE_PTHREAD)
-    add_definitions(-DHAVE_PTHREAD=1)
-  endif()
+if(HAVE_PTHREAD)
+  add_definitions(-DHAVE_PTHREAD=1)
 endif()
 
 if(MSVC)

3rdparty/tbb/CMakeLists.txt

@@ -67,7 +67,7 @@ else()
                  )
 endif()
 
-if (HAVE_LIBPTHREAD)
+if(HAVE_PTHREAD)
   add_definitions(-DUSE_PTHREAD) #required for Unix
 endif()
 

CMakeLists.txt

@@ -554,7 +554,7 @@ if(UNIX)
   include(CheckSymbolExists)
 
   if(NOT APPLE)
-    CHECK_INCLUDE_FILE(pthread.h HAVE_LIBPTHREAD)
+    CHECK_INCLUDE_FILE(pthread.h HAVE_PTHREAD)
     if(ANDROID)
       set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} dl m log)
     elseif(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD|NetBSD|DragonFly|OpenBSD")
@@ -565,7 +565,7 @@ if(UNIX)
       set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} dl m pthread rt)
     endif()
   else()
-    set(HAVE_LIBPTHREAD YES)
+    set(HAVE_PTHREAD 1)
   endif()
 
   CHECK_SYMBOL_EXISTS(posix_memalign stdlib.h HAVE_POSIX_MEMALIGN)

cmake/OpenCVFindLibsPerf.cmake

@@ -125,16 +125,9 @@ if(WITH_OPENMP)
   set(HAVE_OPENMP "${OPENMP_FOUND}")
 endif()
 
-if(NOT MSVC AND NOT DEFINED HAVE_PTHREADS)
-  set(_fname "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/pthread_test.cpp")
-  file(WRITE "${_fname}" "#include <pthread.h>\nint main() { (void)pthread_self(); return 0; }\n")
-  try_compile(HAVE_PTHREADS "${CMAKE_BINARY_DIR}" "${_fname}")
-  file(REMOVE "${_fname}")
-endif()
-
 ocv_clear_vars(HAVE_PTHREADS_PF)
-if(WITH_PTHREADS_PF)
-  set(HAVE_PTHREADS_PF ${HAVE_PTHREADS})
+if(WITH_PTHREADS_PF AND HAVE_PTHREAD)
+  set(HAVE_PTHREADS_PF 1)
 else()
   set(HAVE_PTHREADS_PF 0)
 endif()

cmake/templates/cvconfig.h.in

@@ -154,7 +154,7 @@
 #cmakedefine HAVE_PNG
 
 /* Posix threads (pthreads) */
-#cmakedefine HAVE_PTHREADS
+#cmakedefine HAVE_PTHREAD
 
 /* parallel_for with pthreads */
 #cmakedefine HAVE_PTHREADS_PF