configure.ac: Check for -Wno-variadic-macros...
* configure.ac: Check for -Wno-variadic-macros; don't use -pedantic (in stage 1 or a simple 'make all') unless it's available, and if it's available, use it. Also, clean up check for -Wno-long-long. * configure: Regenerate. From-SVN: r79918
This commit is contained in:
Nathanael Nerode
parent
affb18b2fa
commit
b5472e1d48
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@ -1,3 +1,11 @@
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2004-03-24 Nathanael Nerode <neroden@gcc.gnu.org>
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* configure.ac: Check for -Wno-variadic-macros; don't use
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-pedantic (in stage 1 or a simple 'make all') unless it's available,
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and if it's available, use it. Also, clean up check for
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-Wno-long-long.
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* configure: Regenerate.
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2004-03-24 Richard Sandiford <rsandifo@redhat.com>
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* config.gcc (mips64vr-*-elf*, mips64vrel-*-elf*): Remove tm_defines.
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@ -2810,63 +2810,6 @@ fi
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# Check C compiler features
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# -------------------------
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echo "$as_me:$LINENO: checking whether ${CC-cc} accepts -Wno-long-long" >&5
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echo $ECHO_N "checking whether ${CC-cc} accepts -Wno-long-long... $ECHO_C" >&6
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if test "${ac_cv_prog_cc_no_long_long+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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else
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save_CFLAGS="$CFLAGS"
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CFLAGS="-Wno-long-long"
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cat >conftest.$ac_ext <<_ACEOF
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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int
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main ()
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{
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;
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return 0;
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}
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_ACEOF
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rm -f conftest.$ac_objext
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if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
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(eval $ac_compile) 2>conftest.er1
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ac_status=$?
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grep -v '^ *+' conftest.er1 >conftest.err
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rm -f conftest.er1
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cat conftest.err >&5
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } &&
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{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
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{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; } &&
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{ ac_try='test -s conftest.$ac_objext'
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{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; }; then
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ac_cv_prog_cc_no_long_long=yes
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else
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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ac_cv_prog_cc_no_long_long=no
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fi
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rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
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CFLAGS="$save_CFLAGS"
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fi
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echo "$as_me:$LINENO: result: $ac_cv_prog_cc_no_long_long" >&5
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echo "${ECHO_T}$ac_cv_prog_cc_no_long_long" >&6
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ac_ext=c
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ac_cpp='$CPP $CPPFLAGS'
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ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
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@ -3101,6 +3044,7 @@ ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
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ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
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ac_compiler_gnu=$ac_cv_c_compiler_gnu
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echo "$as_me:$LINENO: checking for inline" >&5
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echo $ECHO_N "checking for inline... $ECHO_C" >&6
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if test "${ac_cv_c_inline+set}" = set; then
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@ -3783,9 +3727,116 @@ fi
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# Warnings and checking
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# ---------------------
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# Check $CC warning features (if it's GCC).
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# We want to use -pedantic, but we don't want warnings about
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# * 'long long'
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# * variadic macros
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# So, we only use -pedantic if we can disable those warnings.
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echo "$as_me:$LINENO: checking whether ${CC} accepts -Wno-long-long" >&5
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echo $ECHO_N "checking whether ${CC} accepts -Wno-long-long... $ECHO_C" >&6
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if test "${ac_cv_prog_cc_w_no_long_long+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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else
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save_CFLAGS="$CFLAGS"
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CFLAGS="-Wno-long-long"
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cat >conftest.$ac_ext <<_ACEOF
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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_ACEOF
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rm -f conftest.$ac_objext
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if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
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(eval $ac_compile) 2>conftest.er1
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ac_status=$?
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grep -v '^ *+' conftest.er1 >conftest.err
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rm -f conftest.er1
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cat conftest.err >&5
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } &&
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{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
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{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; } &&
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{ ac_try='test -s conftest.$ac_objext'
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{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; }; then
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ac_cv_prog_cc_w_no_long_long=yes
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else
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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ac_cv_prog_cc_w_no_long_long=no
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fi
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rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
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CFLAGS="$save_CFLAGS"
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fi
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echo "$as_me:$LINENO: result: $ac_cv_prog_cc_w_no_long_long" >&5
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echo "${ECHO_T}$ac_cv_prog_cc_w_no_long_long" >&6
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echo "$as_me:$LINENO: checking whether ${CC} accepts -Wno-variadic-macros" >&5
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echo $ECHO_N "checking whether ${CC} accepts -Wno-variadic-macros... $ECHO_C" >&6
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if test "${ac_cv_prog_cc_w_no_variadic_macros+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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else
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save_CFLAGS="$CFLAGS"
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CFLAGS="-Wno-variadic-macros"
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cat >conftest.$ac_ext <<_ACEOF
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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_ACEOF
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rm -f conftest.$ac_objext
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if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
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(eval $ac_compile) 2>conftest.er1
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ac_status=$?
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grep -v '^ *+' conftest.er1 >conftest.err
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rm -f conftest.er1
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cat conftest.err >&5
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } &&
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{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
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{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; } &&
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{ ac_try='test -s conftest.$ac_objext'
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{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; }; then
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ac_cv_prog_cc_w_no_variadic_macros=yes
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else
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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ac_cv_prog_cc_w_no_variadic_macros=no
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fi
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rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
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CFLAGS="$save_CFLAGS"
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fi
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echo "$as_me:$LINENO: result: $ac_cv_prog_cc_w_no_variadic_macros" >&5
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echo "${ECHO_T}$ac_cv_prog_cc_w_no_variadic_macros" >&6
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strict1_warn=
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if test $ac_cv_prog_cc_no_long_long = yes ; then
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strict1_warn="-pedantic -Wno-long-long"
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if test $ac_cv_prog_cc_w_no_long_long = yes \
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&& test $ac_cv_prog_cc_w_no_variadic_macros = yes ; then
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strict1_warn="-pedantic -Wno-long-long -Wno-variadic-macros"
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fi
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@ -5142,7 +5193,7 @@ if test "${gcc_cv_prog_makeinfo_modern+set}" = set; then
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else
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ac_prog_version=`$MAKEINFO --version 2>&1 |
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sed -n 's/^.*GNU texinfo.* \([0-9][0-9.]*\).*$/\1/p'`
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echo "configure:5145: version of makeinfo is $ac_prog_version" >&5
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echo "configure:5196: version of makeinfo is $ac_prog_version" >&5
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case $ac_prog_version in
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'') gcc_cv_prog_makeinfo_modern=no;;
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4.[2-9]*)
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@ -274,14 +274,6 @@ AC_SUBST(OUTPUT_OPTION)
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# Check C compiler features
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# -------------------------
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AC_CACHE_CHECK(whether ${CC-cc} accepts -Wno-long-long,
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ac_cv_prog_cc_no_long_long,
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[save_CFLAGS="$CFLAGS"
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CFLAGS="-Wno-long-long"
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AC_TRY_COMPILE(,,ac_cv_prog_cc_no_long_long=yes,
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ac_cv_prog_cc_no_long_long=no)
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CFLAGS="$save_CFLAGS"])
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AC_PROG_CPP
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AC_C_INLINE
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@ -304,9 +296,38 @@ fi
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# Warnings and checking
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# ---------------------
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# Check $CC warning features (if it's GCC).
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# We want to use -pedantic, but we don't want warnings about
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# * 'long long'
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# * variadic macros
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# So, we only use -pedantic if we can disable those warnings.
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AC_CACHE_CHECK(
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[whether ${CC} accepts -Wno-long-long],
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[ac_cv_prog_cc_w_no_long_long],
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[save_CFLAGS="$CFLAGS"
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CFLAGS="-Wno-long-long"
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AC_COMPILE_IFELSE([AC_LANG_SOURCE([[]])],
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[ac_cv_prog_cc_w_no_long_long=yes],
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[ac_cv_prog_cc_w_no_long_long=no])
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CFLAGS="$save_CFLAGS"
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])
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AC_CACHE_CHECK(
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[whether ${CC} accepts -Wno-variadic-macros],
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[ac_cv_prog_cc_w_no_variadic_macros],
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[save_CFLAGS="$CFLAGS"
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CFLAGS="-Wno-variadic-macros"
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AC_COMPILE_IFELSE([AC_LANG_SOURCE([[]])],
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[ac_cv_prog_cc_w_no_variadic_macros=yes],
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[ac_cv_prog_cc_w_no_variadic_macros=no])
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CFLAGS="$save_CFLAGS"
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])
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strict1_warn=
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if test $ac_cv_prog_cc_no_long_long = yes ; then
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strict1_warn="-pedantic -Wno-long-long"
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if test $ac_cv_prog_cc_w_no_long_long = yes \
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&& test $ac_cv_prog_cc_w_no_variadic_macros = yes ; then
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strict1_warn="-pedantic -Wno-long-long -Wno-variadic-macros"
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fi
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AC_SUBST(strict1_warn)
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