From 054fa7d35ebb621167afe72c2ed02856bac25a06 Mon Sep 17 00:00:00 2001
From: Bill Wendling <wendling@ncsa.uiuc.edu>
Date: Mon, 11 Dec 2000 09:30:33 -0500
Subject: [svn-r3107] Purpose: 	Adding Flag Description: 	Testing to see
 if the C++ compiler can handle the ``static_cast'' 	keyword.

---
 c++/configure    | 74 ++++++++++++++++++++++++++++++++++++++++++++------------
 c++/configure.in | 45 ++++++++++++++++++++++++----------
 2 files changed, 90 insertions(+), 29 deletions(-)

diff --git a/c++/configure b/c++/configure
index 60eff93..efea4b6 100755
--- a/c++/configure
+++ b/c++/configure
@@ -1873,24 +1873,24 @@ int fnord;
 }
 
 int main(void) {
-	using namespace H5;
-	fnord = 37;
-	return 0;
+   using namespace H5;
+   fnord = 37;
+   return 0;
 } 
 
 EOF
 if { (eval echo configure:1883: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   
-echo yes
+   echo yes
 
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -fr conftest*
   
-echo no
-CXXFLAGS="${CXXFLAGS} -DH5_NO_NAMESPACE"
+   echo no
+   CXXFLAGS="${CXXFLAGS} -DH5_NO_NAMESPACE"
 
 fi
 rm -fr conftest*
@@ -1917,15 +1917,15 @@ EOF
 if { (eval echo configure:1918: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   
-echo no
+   echo no
 
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -fr conftest*
   
-echo yes
-CXXFLAGS="${CXXFLAGS} -DOLD_HEADER_FILENAME"
+   echo yes
+   CXXFLAGS="${CXXFLAGS} -DOLD_HEADER_FILENAME"
 
 fi
 rm -fr conftest*
@@ -1944,21 +1944,63 @@ else
 extern "C" void exit(int);
 #endif
 
-int main(void) { bool flag; return 0; }
+int main(void) {
+   bool flag;
+   return 0;
+}
+
+EOF
+if { (eval echo configure:1954: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+then
+  
+   echo yes
+
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -fr conftest*
+  
+   echo no
+   CXXFLAGS="${CXXFLAGS} -DBOOL_NOTDEFINED"
+
+fi
+rm -fr conftest*
+fi
+
+
+echo $ac_n "checking if $CXX can handle static cast""... $ac_c" 1>&6
+echo "configure:1973: checking if $CXX can handle static cast" >&5
+if test "$cross_compiling" = yes; then
+    { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1978 "configure"
+#include "confdefs.h"
+#ifdef __cplusplus
+extern "C" void exit(int);
+#endif
+
+int main(void) {
+   float test_float;
+   int test_int;
+   test_float = 37.0;
+   test_int = static_cast <int> (test_float);
+   return 0;
+}
 
 EOF
-if { (eval echo configure:1951: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1993: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   
-echo yes
+   echo yes
 
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -fr conftest*
   
-echo no
-CXXFLAGS="${CXXFLAGS} -DBOOL_NOTDEFINED"
+   echo no
+   CXXFLAGS="${CXXFLAGS} -DNO_STATIC_CAST"
 
 fi
 rm -fr conftest*
@@ -2015,7 +2057,7 @@ rm -f confcache
 
 
 echo $ac_n "checking make""... $ac_c" 1>&6
-echo "configure:2019: checking make" >&5
+echo "configure:2061: checking make" >&5
 
 if test "`${MAKE-make} --version -f /dev/null 2>/dev/null |\
 	sed -n 1p|cut -c1-8`" = "GNU Make"; then
@@ -2032,7 +2074,7 @@ fi
 
 if test -z "$DEPEND"; then
    echo $ac_n "checking how to include a makefile""... $ac_c" 1>&6
-echo "configure:2036: checking how to include a makefile" >&5
+echo "configure:2078: checking how to include a makefile" >&5
 
       cat >makeinc <<EOF
 foo:
diff --git a/c++/configure.in b/c++/configure.in
index b3592b8..42dde87 100644
--- a/c++/configure.in
+++ b/c++/configure.in
@@ -266,15 +266,15 @@ int fnord;
 }
 
 int main(void) {
-	using namespace H5;
-	fnord = 37;
-	return 0;
+   using namespace H5;
+   fnord = 37;
+   return 0;
 } 
 ], [
-echo yes
+   echo yes
 ], [
-echo no
-CXXFLAGS="${CXXFLAGS} -DH5_NO_NAMESPACE"
+   echo no
+   CXXFLAGS="${CXXFLAGS} -DH5_NO_NAMESPACE"
 ])
 
 AC_MSG_CHECKING(if $CXX needs old style header files in includes)
@@ -283,20 +283,39 @@ AC_TRY_RUN([
 
 int main(void) { return 0; }
 ], [
-echo no
+   echo no
 ], [
-echo yes
-CXXFLAGS="${CXXFLAGS} -DOLD_HEADER_FILENAME"
+   echo yes
+   CXXFLAGS="${CXXFLAGS} -DOLD_HEADER_FILENAME"
 ])
 
 AC_MSG_CHECKING(if $CXX supports bool types)
 AC_TRY_RUN([
-int main(void) { bool flag; return 0; }
+int main(void) {
+   bool flag;
+   return 0;
+}
+], [
+   echo yes
+], [
+   echo no
+   CXXFLAGS="${CXXFLAGS} -DBOOL_NOTDEFINED"
+])
+
+AC_MSG_CHECKING(if $CXX can handle static cast)
+AC_TRY_RUN([
+int main(void) {
+   float test_float;
+   int test_int;
+   test_float = 37.0;
+   test_int = static_cast <int> (test_float);
+   return 0;
+}
 ], [
-echo yes
+   echo yes
 ], [
-echo no
-CXXFLAGS="${CXXFLAGS} -DBOOL_NOTDEFINED"
+   echo no
+   CXXFLAGS="${CXXFLAGS} -DNO_STATIC_CAST"
 ])
 
 dnl ----------------------------------------------------------------------
-- 
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