From: Eric Christopher <echristo@gmail.com>
Date: Wed, 5 Aug 2015 04:50:43 +0000 (+0000)
Subject: Remove the apparently unused rand48 configure checks and associated m4.
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=commitdiff_plain;h=5420525438febf30467fd63f883719ad093503f5

Remove the apparently unused rand48 configure checks and associated m4.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244013 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index e4bb0609f57..830b29fd4f9 100644
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -1876,7 +1876,6 @@ AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
 AC_CHECK_FUNCS([futimes futimens])
 AC_C_PRINTF_A
-AC_FUNC_RAND48
 
 dnl Check for arc4random accessible via AC_INCLUDES_DEFAULT.
 AC_CHECK_DECLS([arc4random])
diff --git a/autoconf/m4/rand48.m4 b/autoconf/m4/rand48.m4
deleted file mode 100644
index 76f08faad28..00000000000
--- a/autoconf/m4/rand48.m4
+++ /dev/null
@@ -1,12 +0,0 @@
-#
-# This function determins if the srand48,drand48,lrand48 functions are
-# available on this platform.
-#
-AC_DEFUN([AC_FUNC_RAND48],[
-AC_SINGLE_CXX_CHECK([ac_cv_func_rand48],   
-                    [srand48/lrand48/drand48], [<stdlib.h>],
-                    [srand48(0);lrand48();drand48();])
-if test "$ac_cv_func_rand48" = "yes" ; then
-AC_DEFINE([HAVE_RAND48],1,[Define to 1 if srand48/lrand48/drand48 exist in <stdlib.h>])
-fi
-])
diff --git a/configure b/configure
index d48dd03226a..a8a3d6675d1 100755
--- a/configure
+++ b/configure
@@ -14677,97 +14677,6 @@ _ACEOF
  fi
 
 
-
-  { echo "$as_me:$LINENO: checking for srand48/lrand48/drand48 in <stdlib.h>" >&5
-echo $ECHO_N "checking for srand48/lrand48/drand48 in <stdlib.h>... $ECHO_C" >&6; }
-if test "${ac_cv_func_rand48+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-
-    ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
-ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-
-    cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <stdlib.h>
-int
-main ()
-{
-srand48(0);lrand48();drand48();
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_func_rand48=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_func_rand48=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-    ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-
-fi
-{ echo "$as_me:$LINENO: result: $ac_cv_func_rand48" >&5
-echo "${ECHO_T}$ac_cv_func_rand48" >&6; }
-
-if test "$ac_cv_func_rand48" = "yes" ; then
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_RAND48 1
-_ACEOF
-
-fi
-
-
 { echo "$as_me:$LINENO: checking whether arc4random is declared" >&5
 echo $ECHO_N "checking whether arc4random is declared... $ECHO_C" >&6; }
 if test "${ac_cv_have_decl_arc4random+set}" = set; then
diff --git a/include/llvm/Config/config.h.in b/include/llvm/Config/config.h.in
index d9ddf8b3937..1335ef7071e 100644
--- a/include/llvm/Config/config.h.in
+++ b/include/llvm/Config/config.h.in
@@ -226,9 +226,6 @@
 /* Have pthread_rwlock_init */
 #undef HAVE_PTHREAD_RWLOCK_INIT
 
-/* Define to 1 if srand48/lrand48/drand48 exist in <stdlib.h> */
-#undef HAVE_RAND48
-
 /* Define to 1 if you have the `realpath' function. */
 #undef HAVE_REALPATH