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2007-06-14 Paolo Bonzini <bonzini@gnu.org>

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* aclocal.m4: Include config/warnings.m4.
	* configure.ac: Use ACX_PROG_CC_WARNING_OPTS.
	* configure: Regenerate.
This commit is contained in:
Paolo Bonzini 2007-06-14 08:17:50 +00:00
parent 2b58cd7246
commit a104c397e7
4 changed files with 36 additions and 39 deletions
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6
libiberty/ChangeLog
View file

@ -1,3 +1,9 @@
2007-06-14 Paolo Bonzini <bonzini@gnu.org>
* aclocal.m4: Include config/warnings.m4.
* configure.ac: Use ACX_PROG_CC_WARNING_OPTS.
* configure: Regenerate.
2007-06-07 Geoffrey Keating <geoffk@apple.com>
* configure.ac: Non-default multilibs can be cross compilations.

1
libiberty/aclocal.m4 vendored
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@ -1,5 +1,6 @@
sinclude(../config/acx.m4)
sinclude(../config/no-executables.m4)
sinclude(../config/warnings.m4)
dnl See whether strncmp reads past the end of its string parameters.
dnl On some versions of SunOS4 at least, strncmp reads a word at a time

46
libiberty/configure vendored
View file

@ -2953,22 +2953,33 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
ac_c_preproc_warn_flag=yes
# Warn C++ incompatibilities if supported.
echo "$as_me:$LINENO: checking whether ${CC} accepts -Wc++-compat" >&5
echo $ECHO_N "checking whether ${CC} accepts -Wc++-compat... $ECHO_C" >&6
if test "${ac_cv_prog_cc_w_cxx_compat+set}" = set; then
ac_libiberty_warn_cflags=
save_CFLAGS="$CFLAGS"
for option in -W -Wall -pedantic -Wwrite-strings -Wc++-compat \
-Wstrict-prototypes; do
as_acx_Woption=`echo "acx_cv_prog_cc_warning_$option" | $as_tr_sh`
echo "$as_me:$LINENO: checking whether $CC supports $option" >&5
echo $ECHO_N "checking whether $CC supports $option... $ECHO_C" >&6
if eval "test \"\${$as_acx_Woption+set}\" = set"; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
save_CFLAGS="$CFLAGS"
CFLAGS="-Wc++-compat"
cat >conftest.$ac_ext <<_ACEOF
CFLAGS="$option"
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
int
main ()
{
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
@ -2992,28 +3003,25 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
ac_cv_prog_cc_w_cxx_compat=yes
eval "$as_acx_Woption=yes"
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
ac_cv_prog_cc_w_cxx_compat=no
eval "$as_acx_Woption=no"
fi
rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
CFLAGS="$save_CFLAGS"
fi
echo "$as_me:$LINENO: result: $ac_cv_prog_cc_w_cxx_compat" >&5
echo "${ECHO_T}$ac_cv_prog_cc_w_cxx_compat" >&6
if test x$GCC = xyes; then
ac_libiberty_warn_cflags='-W -Wall -pedantic -Wwrite-strings -Wstrict-prototypes'
fi
if test $ac_cv_prog_cc_w_cxx_compat = yes ; then
ac_libiberty_warn_cflags="${ac_libiberty_warn_cflags} -Wc++-compat"
echo "$as_me:$LINENO: result: `eval echo '${'$as_acx_Woption'}'`" >&5
echo "${ECHO_T}`eval echo '${'$as_acx_Woption'}'`" >&6
if test `eval echo '${'$as_acx_Woption'}'` = yes; then
ac_libiberty_warn_cflags="$ac_libiberty_warn_cflags${ac_libiberty_warn_cflags:+ }$option"
fi
done
CFLAGS="$save_CFLAGS"
if test "x$CC" != xcc; then
echo "$as_me:$LINENO: checking whether $CC and cc understand -c and -o together" >&5

22
libiberty/configure.ac
View file

@ -132,26 +132,8 @@ GCC_NO_EXECUTABLES
AC_PROG_CC
AC_PROG_CPP_WERROR
# Warn C++ incompatibilities if supported.
AC_CACHE_CHECK(
[whether ${CC} accepts -Wc++-compat],
[ac_cv_prog_cc_w_cxx_compat],
[save_CFLAGS="$CFLAGS"
CFLAGS="-Wc++-compat"
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[]])],
[ac_cv_prog_cc_w_cxx_compat=yes],
[ac_cv_prog_cc_w_cxx_compat=no])
CFLAGS="$save_CFLAGS"
])
if test x$GCC = xyes; then
ac_libiberty_warn_cflags='-W -Wall -pedantic -Wwrite-strings -Wstrict-prototypes'
fi
if test $ac_cv_prog_cc_w_cxx_compat = yes ; then
ac_libiberty_warn_cflags="${ac_libiberty_warn_cflags} -Wc++-compat"
fi
AC_SUBST(ac_libiberty_warn_cflags)
ACX_PROG_CC_WARNING_OPTS([-W -Wall -pedantic -Wwrite-strings -Wc++-compat \
-Wstrict-prototypes], [ac_libiberty_warn_cflags])
AC_PROG_CC_C_O
# autoconf is lame and doesn't give us any substitution variable for this.