Added some warning flags for GCC.

git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@866 280ebfd0-de03-0410-8827-d642c229c3f4

1 files changed, 39 insertions, 36 deletions

diff --git a/configure b/configure
index 60c9d9aa9..b8945e95f 100755
--- a/configure
+++ b/configure
@@ -1068,11 +1068,15 @@ echo "configure:1067: checking Mach type" >&5
 	echo "$ac_t""$MACHTYPE" 1>&6
 
 
+if test -n "$GCC"; then
+  CFLAGS="$CFLAGS -Wall -Wno-implicit -Wmissing-prototypes"
+fi
+
 MISCFLAGS='$<' 
 case $OS_TYPE in 
 	HP-UX*)
 		echo $ac_n "checking for main in -lM""... $ac_c" 1>&6
-echo "configure:1076: checking for main in -lM" >&5
+echo "configure:1080: checking for main in -lM" >&5
 ac_lib_var=`echo M'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1080,14 +1084,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lM  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1084 "configure"
+#line 1088 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:1091: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1095: \"$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
@@ -1117,7 +1121,7 @@ fi
 	SunOS*)
 		MISCFLAGS="trunc.c" 
 		echo $ac_n "checking for main in -lm""... $ac_c" 1>&6
-echo "configure:1121: checking for main in -lm" >&5
+echo "configure:1125: checking for main in -lm" >&5
 ac_lib_var=`echo m'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1125,14 +1129,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lm  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1129 "configure"
+#line 1133 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:1136: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1140: \"$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
@@ -1162,7 +1166,7 @@ fi
 		;;
 	Linux*)
 		echo $ac_n "checking for main in -lm""... $ac_c" 1>&6
-echo "configure:1166: checking for main in -lm" >&5
+echo "configure:1170: checking for main in -lm" >&5
 ac_lib_var=`echo m'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1170,14 +1174,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lm  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1174 "configure"
+#line 1178 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:1181: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1185: \"$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
@@ -1216,7 +1220,7 @@ EOF
 		fi;;
 	IRIX64)
 		echo $ac_n "checking for main in -lm""... $ac_c" 1>&6
-echo "configure:1220: checking for main in -lm" >&5
+echo "configure:1224: checking for main in -lm" >&5
 ac_lib_var=`echo m'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1224,14 +1228,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lm  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1228 "configure"
+#line 1232 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:1235: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1239: \"$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
@@ -1266,7 +1270,7 @@ fi
 		fi;;
 	OSF*)
 		echo $ac_n "checking for main in -lm""... $ac_c" 1>&6
-echo "configure:1270: checking for main in -lm" >&5
+echo "configure:1274: checking for main in -lm" >&5
 ac_lib_var=`echo m'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1274,14 +1278,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lm  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1278 "configure"
+#line 1282 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:1285: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1289: \"$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
@@ -1323,7 +1327,7 @@ EOF
 		;;
 	*)	
 		echo $ac_n "checking for main in -lm""... $ac_c" 1>&6
-echo "configure:1327: checking for main in -lm" >&5
+echo "configure:1331: checking for main in -lm" >&5
 ac_lib_var=`echo m'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1331,14 +1335,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lm  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1335 "configure"
+#line 1339 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:1342: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1346: \"$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
@@ -1367,10 +1371,9 @@ fi
 ;;
 esac
 
-	
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:1374: checking how to run the C preprocessor" >&5
+echo "configure:1377: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -1385,13 +1388,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 1389 "configure"
+#line 1392 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1395: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1398: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1402,13 +1405,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 1406 "configure"
+#line 1409 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1412: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1415: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1419,13 +1422,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -nologo -E"
   cat > conftest.$ac_ext <<EOF
-#line 1423 "configure"
+#line 1426 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1429: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1432: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1454,17 +1457,17 @@ if  test "$with_gmp_include"
 then  
   ac_safe=`echo "$with_gmp_include/gmp-impl.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $with_gmp_include/gmp-impl.h""... $ac_c" 1>&6
-echo "configure:1458: checking for $with_gmp_include/gmp-impl.h" >&5
+echo "configure:1461: checking for $with_gmp_include/gmp-impl.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1463 "configure"
+#line 1466 "configure"
 #include "confdefs.h"
 #include <$with_gmp_include/gmp-impl.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1468: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1471: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1489,17 +1492,17 @@ fi
 else
   ac_safe=`echo "gmp-impl.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for gmp-impl.h""... $ac_c" 1>&6
-echo "configure:1493: checking for gmp-impl.h" >&5
+echo "configure:1496: checking for gmp-impl.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1498 "configure"
+#line 1501 "configure"
 #include "confdefs.h"
 #include <gmp-impl.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1503: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1506: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1530,7 +1533,7 @@ fi
 if ` test "$with_gmp_lib" `
 then  
   echo $ac_n "checking gmp library""... $ac_c" 1>&6
-echo "configure:1534: checking gmp library" >&5
+echo "configure:1537: checking gmp library" >&5
 	if  test -r "$with_gmp_lib/libgmp.a"
 	then
 	  LDADD="$LDADD $with_gmp_lib/libgmp.a"
@@ -1540,7 +1543,7 @@ echo "configure:1534: checking gmp library" >&5
   echo "$ac_t""yes" 1>&6
 else
   echo $ac_n "checking for main in -lgmp""... $ac_c" 1>&6
-echo "configure:1544: checking for main in -lgmp" >&5
+echo "configure:1547: checking for main in -lgmp" >&5
 ac_lib_var=`echo gmp'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1548,14 +1551,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lgmp  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1552 "configure"
+#line 1555 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:1559: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1562: \"$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