cmake _HAVE_HIST_ENTRY examples

arkdb/inception cmake/readline.cmake :142

CHECK_CXX_SOURCE_COMPILES("
    #include <stdio.h>
    #include <readline/readline.h> 
    int main(int argc, char **argv)
    {
       HIST_ENTRY entry;
       return 0;
    }"
    ${name}_HAVE_HIST_ENTRY)

Tokutek/mysql-5.5 cmake/readline.cmake :144

CHECK_CXX_SOURCE_COMPILES("
    #include <stdio.h>
    #include <readline/readline.h>
    int main(int argc, char **argv)
    {
       HIST_ENTRY entry;
       return 0;
    }"
    ${name}_HAVE_HIST_ENTRY)