gh-143632: Disable PR_SET_VMA_ANON_NAME on musl libc (gh-143730)

Author: priyanshu2282-cyber

configure

@@ -5595,14 +5595,15 @@ AC_CHECK_DECLS([UT_NAMESIZE],
                          [Define if you have the 'HAVE_UT_NAMESIZE' constant.])],
               [],
               [@%:@include <utmp.h>])
-
+# musl libc redefines struct prctl_mm_map and conflicts with linux/prctl.h
+AS_IF([test "$ac_cv_libc" != musl], [
 AC_CHECK_DECLS([PR_SET_VMA_ANON_NAME],
               [AC_DEFINE([HAVE_PR_SET_VMA_ANON_NAME], [1],
                          [Define if you have the 'PR_SET_VMA_ANON_NAME' constant.])],
               [],
               [@%:@include <linux/prctl.h>
                @%:@include <sys/prctl.h>])
-
+])
 # check for openpty, login_tty, and forkpty
 
 AC_CHECK_FUNCS([openpty], [],