* configure.in: Move library checks into "Checks for libraries." part.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40633 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Fri May 10 20:22:40 2013  Tanaka Akira  <akr@fsij.org>
+
+	* configure.in: Move library checks into "Checks for libraries." part.
+
 Fri May 10 19:32:01 2013  Tanaka Akira  <akr@fsij.org>
 
 	* configure.in: Reformat arguments of AC_CHECK_HEADERS and

configure.in

@@ -989,6 +989,20 @@ main()
   ],
 [	LIBS="-lm $LIBS"])
 
+AC_CHECK_LIB(crypt, crypt)      # glibc (GNU/Linux, GNU/Hurd, GNU/kFreeBSD)
+AC_CHECK_LIB(dl, dlopen)	# Dynamic linking for SunOS/Solaris and SYSV
+AC_CHECK_LIB(dld, shl_load)	# Dynamic linking for HP-UX
+AC_CHECK_LIB(socket, shutdown)  # SunOS/Solaris
+
+AC_CHECK_FUNCS(clock_gettime)
+if test x"$ac_cv_func_clock_gettime" != xyes; then
+    # glibc 2.17 moves clock_* functions from librt to the main C library.
+    # http://sourceware.org/ml/libc-announce/2012/msg00001.html
+    AC_CHECK_LIB(rt, clock_gettime)
+    unset ac_cv_func_clock_gettime
+    AC_CHECK_FUNCS(clock_gettime)
+fi
+
 dnl Checks for header files.
 AC_HEADER_DIRENT
 dnl AC_HEADER_STDC has been checked in AC_USE_SYSTEM_EXTENSIONS
@@ -1456,11 +1470,6 @@ dnl Check whether we need to define sys_nerr locally
 AC_CHECK_DECLS([sys_nerr], [], [], [$ac_includes_default
 @%:@include <errno.h>])
 
-AC_CHECK_LIB(crypt, crypt)      # glibc (GNU/Linux, GNU/Hurd, GNU/kFreeBSD)
-AC_CHECK_LIB(dl, dlopen)	# Dynamic linking for SunOS/Solaris and SYSV
-AC_CHECK_LIB(dld, shl_load)	# Dynamic linking for HP-UX
-AC_CHECK_LIB(socket, shutdown)  # SunOS/Solaris
-
 AS_CASE(["$target_cpu"],
 [alpha*|sh4|sh4el|sh4eb], [AS_CASE(["$target_os"::"$GCC"],
 		[*::yes],  # gcc
@@ -1721,15 +1730,6 @@ else
   AC_LIBOBJ([signbit])
 fi
 
-AC_CHECK_FUNCS(clock_gettime)
-if test x"$ac_cv_func_clock_gettime" != xyes; then
-    # glibc 2.17 moves clock_* functions from librt to the main C library.
-    # http://sourceware.org/ml/libc-announce/2012/msg00001.html
-    AC_CHECK_LIB(rt, clock_gettime)
-    unset ac_cv_func_clock_gettime
-    AC_CHECK_FUNCS(clock_gettime)
-fi
-
 AC_CHECK_FUNCS( \
   fmod \
   killpg \