X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=configure;h=d4687590183c50d3a907be42b9ace2cc3c67f51f;hb=f86c9321fc8088a021598df0265c5fd00ab4170d;hp=8e06154b98c4b1aa4c1aaa9c72f292c15d48b900;hpb=73c35d86b9d5236be5b3f49bc8df11008b96636e;p=oota-llvm.git

diff --git a/configure b/configure
index 8e06154b98c..d4687590183 100755
--- a/configure
+++ b/configure
@@ -767,6 +767,8 @@ LIBADD_DL
 NO_VARIADIC_MACROS
 NO_MISSING_FIELD_INITIALIZERS
 COVERED_SWITCH_DEFAULT
+NO_MAYBE_UNINITIALIZED
+NO_UNINITIALIZED
 USE_UDIS86
 USE_OPROFILE
 USE_INTEL_JITEVENTS
@@ -3471,6 +3473,98 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
+if test "$CXX" = "clang++" ; then
+  { echo "$as_me:$LINENO: checking whether clang works" >&5
+echo $ECHO_N "checking whether clang works... $ECHO_C" >&6; }
+  ac_ext=cpp
+ac_cpp='$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.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <limits>
+#if __has_include (<cxxabi.h>)
+#include <cxxabi.h>
+#endif
+#if __has_include (<unwind.h>)
+#include <unwind.h>
+#endif
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$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 $ac_status); }; }; then
+
+  { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
+
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+  { { echo "$as_me:$LINENO: error: Selected compiler could not find or parse C++ standard library headers.  Rerun with CC=c-compiler CXX=c++-compiler ./configure ..." >&5
+echo "$as_me: error: Selected compiler could not find or parse C++ standard library headers.  Rerun with CC=c-compiler CXX=c++-compiler ./configure ..." >&2;}
+   { (exit 1); exit 1; }; }
+
+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
+
 
 
 if test -d ${srcdir}/projects/llvm-gcc ; then
@@ -10393,7 +10487,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<EOF
-#line 10396 "configure"
+#line 10490 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -12154,8 +12248,36 @@ NO_MISSING_FIELD_INITIALIZERS=`$CXX -Werror -Wno-missing-field-initializers -fsy
 
 COVERED_SWITCH_DEFAULT=`$CXX -Werror -Wcovered-switch-default -fsyntax-only -xc /dev/null 2>/dev/null && echo -Wcovered-switch-default`
 
-{ echo "$as_me:$LINENO: result: $NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT" >&5
-echo "${ECHO_T}$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT" >&6; }
+if test "$GXX" = "yes"
+then
+  NO_MAYBE_UNINITIALIZED=`$CXX -Werror -Wno-maybe-uninitialized -fsyntax-only -xc /dev/null 2>/dev/null && echo -Wno-maybe-uninitialized`
+
+        if test "$NO_MAYBE_UNINITIALIZED" != "-Wno-maybe-uninitialized"
+  then
+    NO_UNINITIALIZED=`$CXX -Werror -Wno-uninitialized -fsyntax-only -xc /dev/null 2>/dev/null && echo -Wno-uninitialized`
+
+  else
+                    gxx_version=`$CXX -dumpversion`
+    gxx_version_major=`echo $gxx_version | cut -d'.' -f1`
+    gxx_version_minor=`echo $gxx_version | cut -d'.' -f2`
+    gxx_version_patch=`echo $gxx_version | cut -d'.' -f3`
+
+    if    test "$gxx_version_major" -ge "4" \
+       && test "$gxx_version_minor" -ge "7"; then
+            NO_UNINITIALIZED=
+    else
+      NO_MAYBE_UNINITIALIZED=
+      NO_UNINITIALIZED=`$CXX -Werror -Wno-uninitialized -fsyntax-only -xc /dev/null 2>/dev/null && echo -Wno-uninitialized`
+
+    fi
+  fi
+else
+  NO_UNINITIALIZED=
+  NO_MAYBE_UNINITIALIZED=
+fi
+{ echo "$as_me:$LINENO: result: $NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED" >&5
+echo "${ECHO_T}$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED" >&6; }
+
 
 
 
@@ -12614,10 +12736,6 @@ ac_res=$ac_cv_search_clock_gettime
 if test "$ac_res" != no; then
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
-else
-  { { echo "$as_me:$LINENO: error: clock_gettime not found and is required for modern POSIX timing uspport" >&5
-echo "$as_me: error: clock_gettime not found and is required for modern POSIX timing uspport" >&2;}
-   { (exit 1); exit 1; }; }
 fi
 
 
@@ -16334,7 +16452,6 @@ rm -f core conftest.err conftest.$ac_objext \
 
 
 
-
   { echo "$as_me:$LINENO: checking for HUGE_VAL sanity" >&5
 echo $ECHO_N "checking for HUGE_VAL sanity... $ECHO_C" >&6; }
 if test "${ac_cv_huge_val_sanity+set}" = set; then
@@ -22216,6 +22333,8 @@ LIBADD_DL!$LIBADD_DL$ac_delim
 NO_VARIADIC_MACROS!$NO_VARIADIC_MACROS$ac_delim
 NO_MISSING_FIELD_INITIALIZERS!$NO_MISSING_FIELD_INITIALIZERS$ac_delim
 COVERED_SWITCH_DEFAULT!$COVERED_SWITCH_DEFAULT$ac_delim
+NO_MAYBE_UNINITIALIZED!$NO_MAYBE_UNINITIALIZED$ac_delim
+NO_UNINITIALIZED!$NO_UNINITIALIZED$ac_delim
 USE_UDIS86!$USE_UDIS86$ac_delim
 USE_OPROFILE!$USE_OPROFILE$ac_delim
 USE_INTEL_JITEVENTS!$USE_INTEL_JITEVENTS$ac_delim
@@ -22243,8 +22362,6 @@ OCAML_LIBDIR!$OCAML_LIBDIR$ac_delim
 ENABLE_VISIBILITY_INLINES_HIDDEN!$ENABLE_VISIBILITY_INLINES_HIDDEN$ac_delim
 RPATH!$RPATH$ac_delim
 RDYNAMIC!$RDYNAMIC$ac_delim
-program_prefix!$program_prefix$ac_delim
-LIBOBJS!$LIBOBJS$ac_delim
 _ACEOF
 
   if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 97; then
@@ -22286,10 +22403,12 @@ _ACEOF
 ac_delim='%!_!# '
 for ac_last_try in false false false false false :; do
   cat >conf$$subs.sed <<_ACEOF
+program_prefix!$program_prefix$ac_delim
+LIBOBJS!$LIBOBJS$ac_delim
 LTLIBOBJS!$LTLIBOBJS$ac_delim
 _ACEOF
 
-  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 1; then
+  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 3; then
     break
   elif $ac_last_try; then
     { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5