Hello!
While compiling Linux-PAM 0.99.3.0 I've discovered that on my system
compiling modules/pam_echo/pam_echo.c fails because of HOST_NAME_MAX is
undefined on my system. Attached a patch that simply defines HOST_NAME_MAX to
either MAXHOSTNAME (if that is defined in sys/param.h, which is my case) or to
64, if the former is not defined (which is unlikely, but...). The patch is
applied to configure.in only (of course, after that autoreconf should be
invoked). Please apply.
--
Sincerely Your, Dan.
--- Linux-PAM-0.99.3.0/configure.in.host-name-max 2005-12-12 19:56:27.000000000 +0300
+++ Linux-PAM-0.99.3.0/configure.in 2006-01-28 01:31:58.000000000 +0300
@@ -395,6 +395,46 @@
AC_CHECK_FUNCS(getpwnam_r getpwuid_r getgrnam_r getgrgid_r getspnam_r)
AC_CHECK_FUNCS(getgrouplist getline getdelim)
+AH_BOTTOM([#ifndef HAVE_HOST_NAME_MAX
+ #ifdef HAVE_MAXHOSTNAME
+ #include <sys/param.h>
+ #define HOST_NAME_MAX MAXHOSTNAME
+ #else
+ #define HOST_NAME_MAX 64
+ #endif
+#endif])
+ac_cv_maxhostname_defined=no
+AC_CACHE_CHECK([[whether HOST_NAME_MAX is defined in limits.h]],
+ [ac_cv_host_name_max_defined],
+ [AC_COMPILE_IFELSE([[#include <limits.h>
+
+char name[HOST_NAME_MAX];
+
+int main()
+{
+ return 0;
+}]], [ac_cv_host_name_max_defined=yes
+ AC_MSG_RESULT([ac_cv_host_name_max_defined])],
+ [ac_cv_host_name_max_defined=no
+ AC_MSG_RESULT([ac_cv_host_name_max_defined])
+ AC_CACHE_CHECK([[whether MAXHOSTNAME is defined in sys/param.h]],
+ [ac_cv_maxhostname_defined],
+ [AC_COMPILE_IFELSE([[#include <sys/param.h>
+
+char name[MAXHOSTNAME];
+
+int main()
+{
+ return 0;
+}]], [ac_cv_maxhostname_defined=yes], [ac_cv_maxhostname_defined=no])])
+ AC_MSG_RESULT([ac_cv_maxhostname_defined])])])
+if test $ac_cv_host_name_max_defined = yes; then
+ AC_DEFINE([HAVE_HOST_NAME_MAX], 1, [Define if system header limits.h defines HOST_NAME_MAX])
+fi
+if test $ac_cv_maxhostname_defined = yes; then
+ AC_DEFINE([HAVE_MAXHOSTNAME], 1, [Define if system header sys/param.h defines MAXHOSTNAME])
+fi
+
dnl Checks for programs/utilities
AC_CHECK_PROG(SGML2PS, sgml2ps, yes, no)
AC_CHECK_PROG(SGML2TXT, sgml2txt, yes, no)
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