cmake HAVE_MBSRTOWCS examples

alibaba/AliSQL cmake/readline.cmake :42 

CHECK_FUNCTION_EXISTS(mbsrtowcs HAVE_MBSRTOWCS)

arkdb/arkproxy cmake/readline.cmake :32 

CHECK_FUNCTION_EXISTS(mbsrtowcs HAVE_MBSRTOWCS)

apache/xerces-c cmake/XercesWChar.cmake :44 

check_cxx_source_compiles("
#include <wchar.h>
int main(void) {
  mbstate_t st;
  wchar_t buffer[2];
  const char* src=0;
  mbsrtowcs(buffer, &src, 2, &st);
  return 0;
}"
  HAVE_MBSRTOWCS)

alibaba/AliSQLBackup cmake/readline.cmake :42 

CHECK_FUNCTION_EXISTS(mbsrtowcs HAVE_MBSRTOWCS)