Detect the bug in gcc3.0 (bug reports 615 and 2938) and work around it by special...

git-svn-id: https://svn.dealii.org/branches/Branch-3-1@4763 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/configure b/deal.II/configure
index bc8debb2924b206de52f26a7301050ff46783308..36d2c6ea0ffba8dc5f389b24c69ae30e389244c1 100755 (executable)
--- a/deal.II/configure
+++ b/deal.II/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-# From configure.in Revision: 1.41.2.2 
+# From configure.in Revision: 1.41.2.5 
 
 
 
@@ -1209,6 +1209,10 @@ if test "$GXX" = yes ; then
        echo "$ac_t""compiler is gcc-2.97" 1>&6
        GXX_VERSION=gcc2.97
        ;;
+    *3.0*)
+       echo "$ac_t""compiler is gcc-3.0" 1>&6
+       GXX_VERSION=gcc3.0
+       ;;
     *2.4* | *2.5* | *2.6* | *2.7* | *2.8*)
                        echo "$ac_t""compiler is $GXX_VERSION_STRING" 1>&6
        { echo "configure: error: compiler is not supported" 1>&2; exit 1; }
@@ -1237,7 +1241,7 @@ fi
 # Extract the first word of "perl", so it can be a program name with args.
 set dummy perl; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1241: checking for $ac_word" >&5
+echo "configure:1245: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_PERL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1327,12 +1331,12 @@ fi
 
 if test "$GXX" = yes ; then
   echo $ac_n "checking whether -ggdb works for long symbols""... $ac_c" 1>&6
-echo "configure:1331: checking whether -ggdb works for long symbols" >&5
+echo "configure:1335: checking whether -ggdb works for long symbols" >&5
   case "$target" in
           alpha*-osf*)
          CXXFLAGS="-ggdb $CXXFLAGSG"
          cat > conftest.$ac_ext <<EOF
-#line 1336 "configure"
+#line 1340 "configure"
 #include "confdefs.h"
 
 #include <string>
@@ -1353,7 +1357,7 @@ int main() {
            
 ; return 0; }
 EOF
-if { (eval echo configure:1357: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1361: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
               CXXFLAGSG="-ggdb $CXXFLAGSG"
@@ -1382,7 +1386,7 @@ else
 fi
 
   echo $ac_n "checking whether lrand48 needs to be declared with -ansi""... $ac_c" 1>&6
-echo "configure:1386: checking whether lrand48 needs to be declared with -ansi" >&5
+echo "configure:1390: checking whether lrand48 needs to be declared with -ansi" >&5
   ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -1392,7 +1396,7 @@ cross_compiling=$ac_cv_prog_cxx_cross
 
   CXXFLAGS="$CXXFLAGSG"
   cat > conftest.$ac_ext <<EOF
-#line 1396 "configure"
+#line 1400 "configure"
 #include "confdefs.h"
 
 #include <vector>
@@ -1408,7 +1412,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:1412: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1416: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
       echo "$ac_t""no" 1>&6
@@ -1429,11 +1433,11 @@ rm -f conftest*
 
 
   echo $ac_n "checking whether AssertThrow works with debug flags""... $ac_c" 1>&6
-echo "configure:1433: checking whether AssertThrow works with debug flags" >&5
+echo "configure:1437: checking whether AssertThrow works with debug flags" >&5
   
   CXXFLAGS=$CXXFLAGSG
   cat > conftest.$ac_ext <<EOF
-#line 1437 "configure"
+#line 1441 "configure"
 #include "confdefs.h"
 
 #include "base/include/base/exceptions.h"
@@ -1444,7 +1448,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:1448: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1452: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
        echo "$ac_t"""yes"" 1>&6
@@ -1461,11 +1465,11 @@ fi
 rm -f conftest*
 
   echo $ac_n "checking whether AssertThrow works with optimized flags""... $ac_c" 1>&6
-echo "configure:1465: checking whether AssertThrow works with optimized flags" >&5
+echo "configure:1469: checking whether AssertThrow works with optimized flags" >&5
   
   CXXFLAGS=$CXXFLAGSO
   cat > conftest.$ac_ext <<EOF
-#line 1469 "configure"
+#line 1473 "configure"
 #include "confdefs.h"
 
 #include "base/include/base/exceptions.h"
@@ -1476,7 +1480,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:1480: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1484: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
        echo "$ac_t"""yes"" 1>&6
@@ -1494,7 +1498,7 @@ rm -f conftest*
 
 
   echo $ac_n "checking for std::vector bug""... $ac_c" 1>&6
-echo "configure:1498: checking for std::vector bug" >&5
+echo "configure:1502: checking for std::vector bug" >&5
   ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -1504,7 +1508,7 @@ cross_compiling=$ac_cv_prog_cxx_cross
 
   CXXFLAGS="$CXXFLAGSG"
   cat > conftest.$ac_ext <<EOF
-#line 1508 "configure"
+#line 1512 "configure"
 #include "confdefs.h"
 
       namespace std {
@@ -1524,7 +1528,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:1528: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1532: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
       echo "$ac_t""no" 1>&6
@@ -1545,7 +1549,7 @@ rm -f conftest*
 
 
   echo $ac_n "checking for std::iterator class""... $ac_c" 1>&6
-echo "configure:1549: checking for std::iterator class" >&5
+echo "configure:1553: checking for std::iterator class" >&5
   ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -1555,7 +1559,7 @@ cross_compiling=$ac_cv_prog_cxx_cross
 
   CXXFLAGS="$CXXFLAGSG"
   cat > conftest.$ac_ext <<EOF
-#line 1559 "configure"
+#line 1563 "configure"
 #include "confdefs.h"
 
 #include <iterator>
@@ -1566,7 +1570,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:1570: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1574: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
       echo "$ac_t""yes" 1>&6
@@ -1603,7 +1607,7 @@ if test "$enablemultithreading" = yes ; then
   if test "$GXX" = yes ; then
     
   echo $ac_n "checking for platform specific thread flags""... $ac_c" 1>&6
-echo "configure:1607: checking for platform specific thread flags" >&5
+echo "configure:1611: checking for platform specific thread flags" >&5
   
   for i in threads mt pthread pthreads mthreads Kthread kthread invalid_last_entry; do
     CXXFLAGS="$CXXFLAGSG -$i"
@@ -1639,10 +1643,10 @@ echo "configure:1607: checking for platform specific thread flags" >&5
 
     
   echo $ac_n "checking for platform specific multi-threading defines""... $ac_c" 1>&6
-echo "configure:1643: checking for platform specific multi-threading defines" >&5
+echo "configure:1647: checking for platform specific multi-threading defines" >&5
   
   cat > conftest.$ac_ext <<EOF
-#line 1646 "configure"
+#line 1650 "configure"
 #include "confdefs.h"
 
 #if !defined (_REENTRANT) && !defined (_THREAD_SAFE)
@@ -1656,7 +1660,7 @@ int main() {
    
 ; return 0; }
 EOF
-if { (eval echo configure:1660: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1664: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
        echo "$ac_t"""not necessary"" 1>&6
@@ -1708,7 +1712,7 @@ fi
 
 if test "$withmultithreading" != no ; then
   echo $ac_n "checking for ACE""... $ac_c" 1>&6
-echo "configure:1712: checking for ACE" >&5
+echo "configure:1716: checking for ACE" >&5
   if test -d "$withmultithreading" ; then
     echo "$ac_t""found" 1>&6
   else
@@ -1728,7 +1732,7 @@ if test "${with_blas+set}" = set; then
   withval="$with_blas"
   if test "$withval" != no ; then
     echo $ac_n "checking for BLAS""... $ac_c" 1>&6
-echo "configure:1732: checking for BLAS" >&5
+echo "configure:1736: checking for BLAS" >&5
     if test -r "$withval" ; then
       echo "$ac_t""found" 1>&6
     else
@@ -1744,7 +1748,7 @@ EOF
   
 else
   echo $ac_n "checking for main in -lblas""... $ac_c" 1>&6
-echo "configure:1748: checking for main in -lblas" >&5
+echo "configure:1752: checking for main in -lblas" >&5
 ac_lib_var=`echo blas'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1752,14 +1756,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lblas  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1756 "configure"
+#line 1760 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:1763: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1767: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1791,7 +1795,7 @@ if test "${with_lapack+set}" = set; then
   withval="$with_lapack"
   if test "$withval" != no ; then
     echo $ac_n "checking for LAPACK""... $ac_c" 1>&6
-echo "configure:1795: checking for LAPACK" >&5
+echo "configure:1799: checking for LAPACK" >&5
     if test -r "$withval" ; then
       echo "$ac_t""found" 1>&6
     else
@@ -1807,7 +1811,7 @@ EOF
   
 else
   echo $ac_n "checking for dgels_ in -llapack""... $ac_c" 1>&6
-echo "configure:1811: checking for dgels_ in -llapack" >&5
+echo "configure:1815: checking for dgels_ in -llapack" >&5
 ac_lib_var=`echo lapack'_'dgels_ | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1815,7 +1819,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-llapack  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1819 "configure"
+#line 1823 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 #ifdef __cplusplus
@@ -1829,7 +1833,7 @@ int main() {
 dgels_()
 ; return 0; }
 EOF
-if { (eval echo configure:1833: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1837: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1896,7 +1900,7 @@ else
 fi
 
 echo $ac_n "checking for kdoc""... $ac_c" 1>&6
-echo "configure:1900: checking for kdoc" >&5
+echo "configure:1904: checking for kdoc" >&5
 if test "$kdocdir" != ${DEAL2_DIR}/contrib/kdoc/bin ; then
   if test -r $kdocdir/kdoc ; then
     echo "$ac_t""found" 1>&6
@@ -1932,7 +1936,7 @@ if test "$docxx" = to-be-determined ; then
   # Extract the first word of ""doc++"", so it can be a program name with args.
 set dummy "doc++"; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1936: checking for $ac_word" >&5
+echo "configure:1940: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_docxx'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1966,7 +1970,7 @@ fi
 
 else
   echo $ac_n "checking for doc++""... $ac_c" 1>&6
-echo "configure:1970: checking for doc++" >&5
+echo "configure:1974: checking for doc++" >&5
   if test -x "$docxx" ; then
     echo "$ac_t""yes" 1>&6
   else
@@ -1981,7 +1985,7 @@ fi
 
 
   echo $ac_n "checking whether getrusage is properly declared""... $ac_c" 1>&6
-echo "configure:1985: checking whether getrusage is properly declared" >&5
+echo "configure:1989: checking whether getrusage is properly declared" >&5
   ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -1991,7 +1995,7 @@ cross_compiling=$ac_cv_prog_cxx_cross
 
 
   cat > conftest.$ac_ext <<EOF
-#line 1995 "configure"
+#line 1999 "configure"
 #include "confdefs.h"
 
 #include <sys/resource.h>
@@ -2003,7 +2007,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:2007: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2011: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
        echo "$ac_t"""yes"" 1>&6
@@ -2021,12 +2025,12 @@ fi
 rm -f conftest*
 
     echo $ac_n "checking whether isnan is declared with debug flags""... $ac_c" 1>&6
-echo "configure:2025: checking whether isnan is declared with debug flags" >&5
+echo "configure:2029: checking whether isnan is declared with debug flags" >&5
   
   CXXFLAGS=$CXXFLAGSG
   deal_II_isnan_flag=""
   cat > conftest.$ac_ext <<EOF
-#line 2030 "configure"
+#line 2034 "configure"
 #include "confdefs.h"
 
 #include <cmath>
@@ -2038,7 +2042,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:2042: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2046: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
        echo "$ac_t"""yes"" 1>&6
@@ -2054,7 +2058,7 @@ rm -f conftest*
 
   if test "x$deal_II_isnan_flag" = "x" ; then
             cat > conftest.$ac_ext <<EOF
-#line 2058 "configure"
+#line 2062 "configure"
 #include "confdefs.h"
 
 #include <cmath>
@@ -2066,7 +2070,7 @@ int main() {
       
 ; return 0; }
 EOF
-if { (eval echo configure:2070: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2074: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
          echo "$ac_t"""yes"" 1>&6
@@ -2086,7 +2090,7 @@ rm -f conftest*
     for testflag in -D_ISOC99_SOURCE -D__EXTENSIONS__ ; do 
       CXXFLAGS="$CXXFLAGSG $testflag"
       cat > conftest.$ac_ext <<EOF
-#line 2090 "configure"
+#line 2094 "configure"
 #include "confdefs.h"
 
 #include <cmath>
@@ -2098,7 +2102,7 @@ int main() {
        
 ; return 0; }
 EOF
-if { (eval echo configure:2102: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2106: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
                          deal_II_isnan_flag="-DHAVE_ISNAN $testflag"
@@ -2111,7 +2115,7 @@ fi
 rm -f conftest*
 
                         cat > conftest.$ac_ext <<EOF
-#line 2115 "configure"
+#line 2119 "configure"
 #include "confdefs.h"
 
 #include <cmath>
@@ -2123,7 +2127,7 @@ int main() {
        
 ; return 0; }
 EOF
-if { (eval echo configure:2127: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2131: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
                          deal_II_isnan_flag="-DHAVE_UNDERSCORE_ISNAN $testflag"
@@ -2145,12 +2149,12 @@ rm -f conftest*
   fi
 
     echo $ac_n "checking whether isnan is declared with optimized flags""... $ac_c" 1>&6
-echo "configure:2149: checking whether isnan is declared with optimized flags" >&5
+echo "configure:2153: checking whether isnan is declared with optimized flags" >&5
   
   CXXFLAGS=$CXXFLAGSO
   deal_II_isnan_flag=""
   cat > conftest.$ac_ext <<EOF
-#line 2154 "configure"
+#line 2158 "configure"
 #include "confdefs.h"
 
 #include <cmath>
@@ -2162,7 +2166,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:2166: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2170: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
        echo "$ac_t"""yes"" 1>&6
@@ -2178,7 +2182,7 @@ rm -f conftest*
 
   if test "x$deal_II_isnan_flag" = "x" ; then
             cat > conftest.$ac_ext <<EOF
-#line 2182 "configure"
+#line 2186 "configure"
 #include "confdefs.h"
 
 #include <cmath>
@@ -2190,7 +2194,7 @@ int main() {
       
 ; return 0; }
 EOF
-if { (eval echo configure:2194: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2198: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
          echo "$ac_t"""yes"" 1>&6
@@ -2210,7 +2214,7 @@ rm -f conftest*
     for testflag in -D_ISOC99_SOURCE -D__EXTENSIONS__ ; do 
       CXXFLAGS="$CXXFLAGSO $testflag"
       cat > conftest.$ac_ext <<EOF
-#line 2214 "configure"
+#line 2218 "configure"
 #include "confdefs.h"
 
 #include <cmath>
@@ -2222,7 +2226,7 @@ int main() {
        
 ; return 0; }
 EOF
-if { (eval echo configure:2226: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2230: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
                          deal_II_isnan_flag="-DHAVE_ISNAN $testflag"
@@ -2235,7 +2239,7 @@ fi
 rm -f conftest*
 
                         cat > conftest.$ac_ext <<EOF
-#line 2239 "configure"
+#line 2243 "configure"
 #include "confdefs.h"
 
 #include <cmath>
@@ -2247,7 +2251,7 @@ int main() {
        
 ; return 0; }
 EOF
-if { (eval echo configure:2251: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2255: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
                          deal_II_isnan_flag="-DHAVE_UNDERSCORE_ISNAN $testflag"
@@ -2275,16 +2279,16 @@ rm -f conftest*
 
 CXXFLAGS="$CXXFLAGSG"
 echo $ac_n "checking for consistency of CXXFLAGSG flags""... $ac_c" 1>&6
-echo "configure:2279: checking for consistency of CXXFLAGSG flags" >&5
+echo "configure:2283: checking for consistency of CXXFLAGSG flags" >&5
 cat > conftest.$ac_ext <<EOF
-#line 2281 "configure"
+#line 2285 "configure"
 #include "confdefs.h"
 
 int main() {
 ;
 ; return 0; }
 EOF
-if { (eval echo configure:2288: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2292: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
     echo "$ac_t""yes" 1>&6
@@ -2302,16 +2306,16 @@ rm -f conftest*
 
 CXXFLAGS="$CXXFLAGSO"
 echo $ac_n "checking for consistency of CXXFLAGSO flags""... $ac_c" 1>&6
-echo "configure:2306: checking for consistency of CXXFLAGSO flags" >&5
+echo "configure:2310: checking for consistency of CXXFLAGSO flags" >&5
 cat > conftest.$ac_ext <<EOF
-#line 2308 "configure"
+#line 2312 "configure"
 #include "confdefs.h"
 
 int main() {
 ;
 ; return 0; }
 EOF
-if { (eval echo configure:2315: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2319: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
     echo "$ac_t""yes" 1>&6

diff --git a/deal.II/configure.in b/deal.II/configure.in
index e92c0ae6d97eb23a34303828bd47f3cf56e43d11..9e4359dd3dd5ae6c25fb0ce7b6a31e900da0701e 100644 (file)
--- a/deal.II/configure.in
+++ b/deal.II/configure.in
@@ -133,6 +133,10 @@ if test "$GXX" = yes ; then
        AC_MSG_RESULT(compiler is gcc-2.97)
        GXX_VERSION=gcc2.97
        ;;
+    *3.0*)
+       AC_MSG_RESULT(compiler is gcc-3.0)
+       GXX_VERSION=gcc3.0
+       ;;
     *2.4* | *2.5* | *2.6* | *2.7* | *2.8*)
        dnl These compilers are too old to support a useful subset
        dnl of modern C++, so we don't support them

diff --git a/deal.II/deal.II/Makefile b/deal.II/deal.II/Makefile
index 8459c933228aba8ac50a3d58439bdfbc8dc36d41..0726713e8c639086a42242f25f7585bc288be320 100644 (file)
--- a/deal.II/deal.II/Makefile
+++ b/deal.II/deal.II/Makefile
@@ -94,12 +94,19 @@ lib/3d/o/q1_mapping.jacobians_3d.o:
        @echo =====deal.II====3d====opt==spec==$(MT)== $(<:source/%=%)
        @$(CXX) $(filter-out -O2 -Wuninitialized,$(CXXFLAGS.o)) -Ddeal_II_dimension=3 -c $< -o $@
 
-ifeq ($(GXX-Version),gcc2.95)
+ifeq ($(GXX-VERSION),gcc2.95)
 lib/2d/o/fe_lib.quartic_2d.o:
        @echo =====deal.II====2d====opt==spec==$(MT)== $(<:source/%=%)
        @$(CXX) $(filter-out -O2 -Wuninitialized,$(CXXFLAGS.o)) -Ddeal_II_dimension=2 -c $< -o $@
 endif
 
+# work around a bug in gcc (see gcc bug reports 615 and 2938)
+ifeq ($(GXX-VERSION),gcc3.0)
+lib/3d/o/tria_accessor_3d.o:
+       @echo =====deal.II====3d====opt==spec==$(MT)== $(<:source/%=%)
+       @$(CXX) $(filter-out -O2 -Wuninitialized,$(CXXFLAGS.o)) -Ddeal_II_dimension=3 -c $< -o $@
+endif
+
 
 
 # rules how to make the libraries themselves