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authorAndrew Cagney <cagney@redhat.com>2002-06-16 16:33:35 +0000
committerAndrew Cagney <cagney@redhat.com>2002-06-16 16:33:35 +0000
commitc8cca39f988d5670cbef3d40cf7b9fa26877aee4 (patch)
tree5701c4950e92a68bef1a9d940ee6fc1e1d8aa401 /sim/igen
parent3832c25c185d324f411ab880aab6b1e5e17f23f6 (diff)
downloadgdb-c8cca39f988d5670cbef3d40cf7b9fa26877aee4.zip
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Import current --enable-gdb-build-warnings.
Diffstat (limited to 'sim/igen')
-rw-r--r--sim/igen/ChangeLog4
-rwxr-xr-xsim/igen/configure151
2 files changed, 104 insertions, 51 deletions
diff --git a/sim/igen/ChangeLog b/sim/igen/ChangeLog
index f6cb513..4dc6311 100644
--- a/sim/igen/ChangeLog
+++ b/sim/igen/ChangeLog
@@ -1,3 +1,7 @@
+2002-06-16 Andrew Cagney <ac131313@redhat.com>
+
+ * configure: Regenerated to track ../common/aclocal.m4 changes.
+
2002-06-03 Richard Henderson <rth@redhat.com>
* gen-engine.c (print_run_body): Avoid multi-line strings.
diff --git a/sim/igen/configure b/sim/igen/configure
index 9d6009c..913c46f 100755
--- a/sim/igen/configure
+++ b/sim/igen/configure
@@ -135,7 +135,9 @@ ac_help=
ac_default_prefix=/usr/local
# Any additions from configure.in:
ac_help="$ac_help
- --enable-build-warnings[=LIST] Enable build-time compiler warnings"
+ --enable-build-warnings Enable build-time compiler warnings if gcc is used"
+ac_help="$ac_help
+ --enable-gdb-build-warnings Enable SIM specific build-time compiler warnings if gcc is used"
# Initialize some variables set by options.
# The variables have the same names as the options, with
@@ -689,7 +691,7 @@ ac_configure=$ac_aux_dir/configure # This should be Cygnus configure.
# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
# ./install, which can be erroneously created by make from ./install.sh.
echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:693: checking for a BSD compatible install" >&5
+echo "configure:695: checking for a BSD compatible install" >&5
if test -z "$INSTALL"; then
if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
@@ -744,7 +746,7 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
# Extract the first word of "gcc", so it can be a program name with args.
set dummy gcc; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:748: checking for $ac_word" >&5
+echo "configure:750: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@@ -774,7 +776,7 @@ if test -z "$CC"; then
# Extract the first word of "cc", so it can be a program name with args.
set dummy cc; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:778: checking for $ac_word" >&5
+echo "configure:780: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@@ -825,7 +827,7 @@ fi
# Extract the first word of "cl", so it can be a program name with args.
set dummy cl; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:829: checking for $ac_word" >&5
+echo "configure:831: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@@ -857,7 +859,7 @@ fi
fi
echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:861: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:863: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
ac_ext=c
# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -868,12 +870,12 @@ cross_compiling=$ac_cv_prog_cc_cross
cat > conftest.$ac_ext << EOF
-#line 872 "configure"
+#line 874 "configure"
#include "confdefs.h"
main(){return(0);}
EOF
-if { (eval echo configure:877: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:879: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
ac_cv_prog_cc_works=yes
# If we can't run a trivial program, we are probably using a cross compiler.
if (./conftest; exit) 2>/dev/null; then
@@ -899,12 +901,12 @@ if test $ac_cv_prog_cc_works = no; then
{ echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
fi
echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:903: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:905: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
cross_compiling=$ac_cv_prog_cc_cross
echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:908: checking whether we are using GNU C" >&5
+echo "configure:910: checking whether we are using GNU C" >&5
if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@@ -913,7 +915,7 @@ else
yes;
#endif
EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:917: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:919: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
ac_cv_prog_gcc=yes
else
ac_cv_prog_gcc=no
@@ -932,7 +934,7 @@ ac_test_CFLAGS="${CFLAGS+set}"
ac_save_CFLAGS="$CFLAGS"
CFLAGS=
echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:936: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:938: checking whether ${CC-cc} accepts -g" >&5
if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@@ -965,37 +967,84 @@ fi
+# NOTE: Don't add -Wall or -Wunused, they both include
+# -Wunused-parameter which reports bogus warnings.
+# NOTE: If you add to this list, remember to update
+# gdb/doc/gdbint.texinfo.
+build_warnings="-Wimplicit -Wreturn-type -Wcomment -Wtrigraphs \
+-Wformat -Wparentheses -Wpointer-arith -Wuninitialized"
+# Up for debate: -Wswitch -Wcomment -trigraphs -Wtrigraphs
+# -Wunused-function -Wunused-label -Wunused-variable -Wunused-value
+# -Wchar-subscripts -Wtraditional -Wshadow -Wcast-qual
+# -Wcast-align -Wwrite-strings -Wconversion -Wstrict-prototypes
+# -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls
+# -Woverloaded-virtual -Winline -Werror"
# Check whether --enable-build-warnings or --disable-build-warnings was given.
if test "${enable_build_warnings+set}" = set; then
enableval="$enable_build_warnings"
- build_warnings="-Wall -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations"
-case "${enableval}" in
+ case "${enableval}" in
+ yes) ;;
+ no) build_warnings="-w";;
+ ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
+ build_warnings="${build_warnings} ${t}";;
+ *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
+ build_warnings="${t} ${build_warnings}";;
+ *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
+esac
+if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
+ echo "Setting compiler warning flags = $build_warnings" 6>&1
+fi
+fi
+# Check whether --enable-sim-build-warnings or --disable-sim-build-warnings was given.
+if test "${enable_sim_build_warnings+set}" = set; then
+ enableval="$enable_sim_build_warnings"
+ case "${enableval}" in
yes) ;;
no) build_warnings="-w";;
,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
- build_warnings="${build_warnings} ${t}";;
+ build_warnings="${build_warnings} ${t}";;
*,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
- build_warnings="${t} ${build_warnings}";;
- *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
+ build_warnings="${t} ${build_warnings}";;
+ *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
esac
if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
- echo "Setting warning flags = $build_warnings" 6>&1
+ echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
+fi
fi
WARN_CFLAGS=""
WERROR_CFLAGS=""
if test "x${build_warnings}" != x -a "x$GCC" = xyes
then
- # Separate out the -Werror flag as some files just cannot be
- # compiled with it enabled.
- for w in ${build_warnings}; do
- case $w in
- -Werr*) WERROR_CFLAGS=-Werror ;;
- *) WARN_CFLAGS="${WARN_CFLAGS} $w"
- esac
- done
-fi
+ echo $ac_n "checking compiler warning flags""... $ac_c" 1>&6
+echo "configure:1020: checking compiler warning flags" >&5
+ # Separate out the -Werror flag as some files just cannot be
+ # compiled with it enabled.
+ for w in ${build_warnings}; do
+ case $w in
+ -Werr*) WERROR_CFLAGS=-Werror ;;
+ *) # Check that GCC accepts it
+ saved_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS $w"
+ cat > conftest.$ac_ext <<EOF
+#line 1030 "configure"
+#include "confdefs.h"
+
+int main() {
+
+; return 0; }
+EOF
+if { (eval echo configure:1037: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+ rm -rf conftest*
+ WARN_CFLAGS="${WARN_CFLAGS} $w"
else
- build_warnings=""
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+fi
+rm -f conftest*
+ CFLAGS="$saved_CFLAGS"
+ esac
+ done
+ echo "$ac_t""${WARN_CFLAGS}${WERROR_CFLAGS}" 1>&6
fi
@@ -1064,7 +1113,7 @@ else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
fi
echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:1068: checking host system type" >&5
+echo "configure:1117: checking host system type" >&5
host_alias=$host
case "$host_alias" in
@@ -1085,7 +1134,7 @@ host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
echo "$ac_t""$host" 1>&6
echo $ac_n "checking target system type""... $ac_c" 1>&6
-echo "configure:1089: checking target system type" >&5
+echo "configure:1138: checking target system type" >&5
target_alias=$target
case "$target_alias" in
@@ -1103,7 +1152,7 @@ target_os=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
echo "$ac_t""$target" 1>&6
echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:1107: checking build system type" >&5
+echo "configure:1156: checking build system type" >&5
build_alias=$build
case "$build_alias" in
@@ -1150,7 +1199,7 @@ test "$program_transform_name" = "" && program_transform_name="s,x,x,"
echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:1154: checking how to run the C preprocessor" >&5
+echo "configure:1203: checking how to run the C preprocessor" >&5
# On Suns, sometimes $CPP names a directory.
if test -n "$CPP" && test -d "$CPP"; then
CPP=
@@ -1165,13 +1214,13 @@ else
# On the NeXT, cc -E runs the code through the compiler's parser,
# not just through cpp.
cat > conftest.$ac_ext <<EOF
-#line 1169 "configure"
+#line 1218 "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:1175: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1224: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
:
@@ -1182,13 +1231,13 @@ else
rm -rf conftest*
CPP="${CC-cc} -E -traditional-cpp"
cat > conftest.$ac_ext <<EOF
-#line 1186 "configure"
+#line 1235 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1192: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1241: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
:
@@ -1199,13 +1248,13 @@ else
rm -rf conftest*
CPP="${CC-cc} -nologo -E"
cat > conftest.$ac_ext <<EOF
-#line 1203 "configure"
+#line 1252 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1209: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1258: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
:
@@ -1233,17 +1282,17 @@ for ac_hdr in stdlib.h string.h strings.h sys/stat.h sys/types.h unistd.h
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:1237: checking for $ac_hdr" >&5
+echo "configure:1286: checking for $ac_hdr" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 1242 "configure"
+#line 1291 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1247: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1296: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
rm -rf conftest*
@@ -1274,12 +1323,12 @@ for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr that defines DIR""... $ac_c" 1>&6
-echo "configure:1278: checking for $ac_hdr that defines DIR" >&5
+echo "configure:1327: checking for $ac_hdr that defines DIR" >&5
if eval "test \"`echo '$''{'ac_cv_header_dirent_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 1283 "configure"
+#line 1332 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <$ac_hdr>
@@ -1287,7 +1336,7 @@ int main() {
DIR *dirp = 0;
; return 0; }
EOF
-if { (eval echo configure:1291: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1340: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
eval "ac_cv_header_dirent_$ac_safe=yes"
else
@@ -1312,7 +1361,7 @@ done
# Two versions of opendir et al. are in -ldir and -lx on SCO Xenix.
if test $ac_header_dirent = dirent.h; then
echo $ac_n "checking for opendir in -ldir""... $ac_c" 1>&6
-echo "configure:1316: checking for opendir in -ldir" >&5
+echo "configure:1365: checking for opendir in -ldir" >&5
ac_lib_var=`echo dir'_'opendir | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
@@ -1320,7 +1369,7 @@ else
ac_save_LIBS="$LIBS"
LIBS="-ldir $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 1324 "configure"
+#line 1373 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
@@ -1331,7 +1380,7 @@ int main() {
opendir()
; return 0; }
EOF
-if { (eval echo configure:1335: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1384: \"$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
@@ -1353,7 +1402,7 @@ fi
else
echo $ac_n "checking for opendir in -lx""... $ac_c" 1>&6
-echo "configure:1357: checking for opendir in -lx" >&5
+echo "configure:1406: checking for opendir in -lx" >&5
ac_lib_var=`echo x'_'opendir | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
@@ -1361,7 +1410,7 @@ else
ac_save_LIBS="$LIBS"
LIBS="-lx $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 1365 "configure"
+#line 1414 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
@@ -1372,7 +1421,7 @@ int main() {
opendir()
; return 0; }
EOF
-if { (eval echo configure:1376: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1425: \"$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
@@ -1407,7 +1456,7 @@ fi
# Extract the first word of "ranlib", so it can be a program name with args.
set dummy ranlib; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1411: checking for $ac_word" >&5
+echo "configure:1460: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else