Nothing in Graphviz depends on this.
check_function_exists( getenv HAVE_GETENV )
check_function_exists( lrand48 HAVE_LRAND48 )
check_function_exists( mallinfo HAVE_MALLINFO )
-check_function_exists( mallopt HAVE_MALLOPT )
check_function_exists( mstats HAVE_MSTATS )
check_function_exists( setenv HAVE_SETENV )
check_function_exists( setmode HAVE_SETMODE )
#cmakedefine HAVE_GETENV
#cmakedefine HAVE_LRAND48
#cmakedefine HAVE_MALLINFO
-#cmakedefine HAVE_MALLOPT
#cmakedefine HAVE_MSTATS
#cmakedefine HAVE_SETENV
#cmakedefine HAVE_SETMODE
# Checks for library functions
AC_CHECK_FUNCS([lrand48 drand48 srand48 setmode setenv getenv \
- cbrt mallopt mallinfo mstats getpagesize \
+ cbrt mallinfo mstats getpagesize \
ftruncate lseek64 stat64 vfork unlink waitpid select])
AC_REPLACE_FUNCS([strcasestr])