[svn-r26086] Solaris no longer has issues with requiring early checking for time

functions so the checks were merged with the other system call
checks.

Fixes HDFFV-9083

Tested on: Linux (jam) and Solaris (emu)

2 files changed, 77 insertions, 125 deletions

diff --git a/configure b/configure
index 5f4923a..0fca1ad 100755
--- a/configure
+++ b/configure
@@ -22470,113 +22470,6 @@ $as_echo "#define TIME_WITH_SYS_TIME 1" >>confdefs.h
 fi
 
 
-## ----------------------------------------------------------------------
-## Check for these two functions before the time headers are checked
-## for, otherwise they are not detected correctly on Solaris (the
-## configure test will fail due to multiply-defined symbols).
-##
-for ac_func in difftime
-do :
-  ac_fn_c_check_func "$LINENO" "difftime" "ac_cv_func_difftime"
-if test "x$ac_cv_func_difftime" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_DIFFTIME 1
-_ACEOF
-
-fi
-done
-
-for ac_func in gettimeofday
-do :
-  ac_fn_c_check_func "$LINENO" "gettimeofday" "ac_cv_func_gettimeofday"
-if test "x$ac_cv_func_gettimeofday" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_GETTIMEOFDAY 1
-_ACEOF
- have_gettime="yes"
-else
-  have_gettime="no"
-fi
-done
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing clock_gettime" >&5
-$as_echo_n "checking for library containing clock_gettime... " >&6; }
-if ${ac_cv_search_clock_gettime+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_func_search_save_LIBS=$LIBS
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char clock_gettime ();
-#ifdef FC_DUMMY_MAIN
-#ifndef FC_DUMMY_MAIN_EQ_F77
-#  ifdef __cplusplus
-     extern "C"
-#  endif
-   int FC_DUMMY_MAIN() { return 1; }
-#endif
-#endif
-int
-main ()
-{
-return clock_gettime ();
-  ;
-  return 0;
-}
-_ACEOF
-for ac_lib in '' rt posix4; do
-  if test -z "$ac_lib"; then
-    ac_res="none required"
-  else
-    ac_res=-l$ac_lib
-    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
-  fi
-  if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_search_clock_gettime=$ac_res
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext
-  if ${ac_cv_search_clock_gettime+:} false; then :
-  break
-fi
-done
-if ${ac_cv_search_clock_gettime+:} false; then :
-
-else
-  ac_cv_search_clock_gettime=no
-fi
-rm conftest.$ac_ext
-LIBS=$ac_func_search_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_clock_gettime" >&5
-$as_echo "$ac_cv_search_clock_gettime" >&6; }
-ac_res=$ac_cv_search_clock_gettime
-if test "$ac_res" != no; then :
-  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
-
-fi
-
-for ac_func in clock_gettime
-do :
-  ac_fn_c_check_func "$LINENO" "clock_gettime" "ac_cv_func_clock_gettime"
-if test "x$ac_cv_func_clock_gettime" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_CLOCK_GETTIME 1
-_ACEOF
- have_clock_gettime="yes"
-else
-  have_clock_gettime="no"
-fi
-done
-
-
 ## Unix
 for ac_header in sys/resource.h sys/time.h unistd.h sys/ioctl.h sys/stat.h
 do :
@@ -22837,7 +22730,7 @@ $as_echo "no" >&6; }
 fi
 
 ## ----------------------------------------------------------------------
-## Test for Largefile support.
+## Test for large file support.
 ##
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking if configure should try to set up large file support" >&5
 $as_echo_n "checking if configure should try to set up large file support... " >&6; }
@@ -26734,7 +26627,73 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 ## ----------------------------------------------------------------------
 ## Check for functions.
 ##
-for ac_func in alarm fork frexpf frexpl
+## NOTE: clock_gettime may require linking to the rt or posix4 library
+##       so we'll search for it before calling AC_CHECK_FUNCS.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing clock_gettime" >&5
+$as_echo_n "checking for library containing clock_gettime... " >&6; }
+if ${ac_cv_search_clock_gettime+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_func_search_save_LIBS=$LIBS
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char clock_gettime ();
+#ifdef FC_DUMMY_MAIN
+#ifndef FC_DUMMY_MAIN_EQ_F77
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int FC_DUMMY_MAIN() { return 1; }
+#endif
+#endif
+int
+main ()
+{
+return clock_gettime ();
+  ;
+  return 0;
+}
+_ACEOF
+for ac_lib in '' rt posix4; do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+  fi
+  if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_search_clock_gettime=$ac_res
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext
+  if ${ac_cv_search_clock_gettime+:} false; then :
+  break
+fi
+done
+if ${ac_cv_search_clock_gettime+:} false; then :
+
+else
+  ac_cv_search_clock_gettime=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_clock_gettime" >&5
+$as_echo "$ac_cv_search_clock_gettime" >&6; }
+ac_res=$ac_cv_search_clock_gettime
+if test "$ac_res" != no; then :
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+
+fi
+
+for ac_func in alarm clock_gettime difftime fork frexpf frexpl
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
@@ -26746,7 +26705,7 @@ _ACEOF
 fi
 done
 
-for ac_func in gethostname getpwuid getrusage lstat
+for ac_func in gethostname getpwuid getrusage gettimeofday
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
@@ -26758,7 +26717,7 @@ _ACEOF
 fi
 done
 
-for ac_func in rand_r random setsysinfo
+for ac_func in lstat rand_r random setsysinfo
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
diff --git a/configure.ac b/configure.ac
index 3aed36c..b59b7b4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1005,16 +1005,6 @@ dnl AC_CHECK_LIB([coug], [main])		## ...for ASCI/Red
 AC_HEADER_STDC
 AC_HEADER_TIME
 
-## ----------------------------------------------------------------------
-## Check for these two functions before the time headers are checked
-## for, otherwise they are not detected correctly on Solaris (the
-## configure test will fail due to multiply-defined symbols).
-##
-AC_CHECK_FUNCS([difftime])
-AC_CHECK_FUNCS([gettimeofday], [have_gettime="yes"], [have_gettime="no"])
-AC_SEARCH_LIBS([clock_gettime], [rt posix4])
-AC_CHECK_FUNCS([clock_gettime],[have_clock_gettime="yes"],[have_clock_gettime="no"])
-
 ## Unix
 AC_CHECK_HEADERS([sys/resource.h sys/time.h unistd.h sys/ioctl.h sys/stat.h])
 AC_CHECK_HEADERS([sys/socket.h sys/types.h])
@@ -1085,7 +1075,7 @@ if test "X${enable_shared}" = "Xyes"; then
 fi
 
 ## ----------------------------------------------------------------------
-## Test for Largefile support.
+## Test for large file support.
 ##
 AC_MSG_CHECKING([if configure should try to set up large file support])
 
@@ -1939,9 +1929,12 @@ AC_TRY_COMPILE([#include <sys/ioctl.h>],[int w=TIOCGETD;],
 ## ----------------------------------------------------------------------
 ## Check for functions.
 ##
-AC_CHECK_FUNCS([alarm fork frexpf frexpl])
-AC_CHECK_FUNCS([gethostname getpwuid getrusage lstat])
-AC_CHECK_FUNCS([rand_r random setsysinfo])
+## NOTE: clock_gettime may require linking to the rt or posix4 library
+##       so we'll search for it before calling AC_CHECK_FUNCS.
+AC_SEARCH_LIBS([clock_gettime], [rt posix4])
+AC_CHECK_FUNCS([alarm clock_gettime difftime fork frexpf frexpl])
+AC_CHECK_FUNCS([gethostname getpwuid getrusage gettimeofday])
+AC_CHECK_FUNCS([lstat rand_r random setsysinfo])
 AC_CHECK_FUNCS([signal longjmp setjmp siglongjmp sigsetjmp sigprocmask])
 AC_CHECK_FUNCS([snprintf srandom strdup symlink system])
 AC_CHECK_FUNCS([tmpfile asprintf vasprintf waitpid])