- Silence benign static analysis warnings.

[thirdparty/dhcp.git] / configure

diff --git a/configure b/configure
index bdeb473dc1503c7b703c5694d92505e444591ec3..c5f563f767da2937f0e5e5f61e0114f2e8f00663 100755 (executable)
--- a/configure
+++ b/configure
@@ -2014,6 +2014,73 @@ fi
 
 } # ac_fn_c_try_link
 
+# ac_fn_c_check_func LINENO FUNC VAR
+# ----------------------------------
+# Tests whether FUNC exists, setting the cache variable VAR accordingly
+ac_fn_c_check_func ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+/* Define $2 to an innocuous variant, in case <limits.h> declares $2.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $2 innocuous_$2
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $2 (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $2
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $2 ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_$2 || defined __stub___$2
+choke me
+#endif
+
+int
+main ()
+{
+return $2 ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  eval "$3=yes"
+else
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+              { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_func
+
 # ac_fn_c_check_member LINENO AGGR MEMBER VAR INCLUDES
 # ----------------------------------------------------
 # Tries to find if the field MEMBER exists in type AGGR, after including
@@ -6180,6 +6247,18 @@ if test "$ac_res" != no; then :
 fi
 
 
+for ac_func in strlcat
+do :
+  ac_fn_c_check_func "$LINENO" "strlcat" "ac_cv_func_strlcat"
+if test "x$ac_cv_func_strlcat" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_STRLCAT 1
+_ACEOF
+
+fi
+done
+
+
 # For HP/UX we need -lipv6 for if_nametoindex, perhaps others.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing if_nametoindex" >&5
 $as_echo_n "checking for library containing if_nametoindex... " >&6; }