diff options
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/Makefile.in | 4 | ||||
| -rwxr-xr-x | gcc/configure | 56 | ||||
| -rw-r--r-- | gcc/configure.ac | 15 |
4 files changed, 79 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f6c4650..63b9848 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2004-03-24 Nathanael Nerode <neroden@gcc.gnu.org> + + * Makefile.in (STRICT2_WARN): Reorder. + * configure.ac: Check for -Wold-style-definition, and use it + in strict1_warn if it's available. + * configure: Regnerate. + 2004-03-24 Paul Brook <paul@nowt.org> * config.gcc <arm>: Add --with-abi= diff --git a/gcc/Makefile.in b/gcc/Makefile.in index c08d18b..95f0497 100644 --- a/gcc/Makefile.in +++ b/gcc/Makefile.in @@ -163,8 +163,8 @@ coverageexts = .{gcda,gcno} # -Wno-variadic-macros. LOOSE_WARN = -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes STRICT_WARN = @strict1_warn@ -STRICT2_WARN = -pedantic -Wno-long-long -Wold-style-definition \ - -Wno-variadic-macros @WERROR@ +STRICT2_WARN = -pedantic -Wno-long-long -Wno-variadic-macros \ + -Wold-style-definition @WERROR@ # This is set by --enable-checking. The idea is to catch forgotten # "extern" tags in header files. diff --git a/gcc/configure b/gcc/configure index 840eae3..54fac97 100755 --- a/gcc/configure +++ b/gcc/configure @@ -3840,6 +3840,60 @@ if test $ac_cv_prog_cc_w_no_long_long = yes \ fi +# Add -Wold-style-definition if it's accepted +echo "$as_me:$LINENO: checking whether ${CC} accepts -Wold-style-definition" >&5 +echo $ECHO_N "checking whether ${CC} accepts -Wold-style-definition... $ECHO_C" >&6 +if test "${ac_cv_prog_cc_w_old_style_definition+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + save_CFLAGS="$CFLAGS" + CFLAGS="-Wold-style-definition" + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&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_c_werror_flag" || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_prog_cc_w_old_style_definition=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_prog_cc_w_old_style_definition=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext + CFLAGS="$save_CFLAGS" + +fi +echo "$as_me:$LINENO: result: $ac_cv_prog_cc_w_old_style_definition" >&5 +echo "${ECHO_T}$ac_cv_prog_cc_w_old_style_definition" >&6 +if test $ac_cv_prog_cc_w_old_style_definition = yes ; then + strict1_warn="${strict1_warn} -Wold-style-definition" +fi + # If the native compiler is GCC, we can enable warnings even in stage1. # That's useful for people building cross-compilers, or just running a # quick `make'. @@ -5193,7 +5247,7 @@ if test "${gcc_cv_prog_makeinfo_modern+set}" = set; then else ac_prog_version=`$MAKEINFO --version 2>&1 | sed -n 's/^.*GNU texinfo.* \([0-9][0-9.]*\).*$/\1/p'` - echo "configure:5196: version of makeinfo is $ac_prog_version" >&5 + echo "configure:5250: version of makeinfo is $ac_prog_version" >&5 case $ac_prog_version in '') gcc_cv_prog_makeinfo_modern=no;; 4.[2-9]*) diff --git a/gcc/configure.ac b/gcc/configure.ac index 9a9318e..7a4f790 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -331,6 +331,21 @@ if test $ac_cv_prog_cc_w_no_long_long = yes \ fi AC_SUBST(strict1_warn) +# Add -Wold-style-definition if it's accepted +AC_CACHE_CHECK( + [whether ${CC} accepts -Wold-style-definition], + [ac_cv_prog_cc_w_old_style_definition], + [save_CFLAGS="$CFLAGS" + CFLAGS="-Wold-style-definition" + AC_COMPILE_IFELSE([AC_LANG_SOURCE([[]])], + [ac_cv_prog_cc_w_old_style_definition=yes], + [ac_cv_prog_cc_w_old_style_definition=no]) + CFLAGS="$save_CFLAGS" + ]) +if test $ac_cv_prog_cc_w_old_style_definition = yes ; then + strict1_warn="${strict1_warn} -Wold-style-definition" +fi + # If the native compiler is GCC, we can enable warnings even in stage1. # That's useful for people building cross-compilers, or just running a # quick `make'. |