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https://sourceware.org/git/glibc.git
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2008-08-18 Roland McGrath <roland@redhat.com>
* configure.in (--with-cpu): Check compiler support for -march/-mcpu. * configure: Regenerated. * config.make.in (cflags-cpu): New substituted variable. (with-cpu): Variable removed. * Makeconfig (+cflags): Use $(cflags-cpu), not $(with-cpu).
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@ -643,7 +643,7 @@ ifeq "$(strip $(+cflags))" ""
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+cflags := $(default_cflags)
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endif # $(+cflags) == ""
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+cflags += $(addprefix -mcpu=,$(with-cpu)) $(+gccwarn) $(+merge-constants)
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+cflags += $(cflags-cpu) $(+gccwarn) $(+merge-constants)
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+gcc-nowarn := -w
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# Don't duplicate options if we inherited variables from the parent.
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@ -31,7 +31,7 @@ base-machine = @base_machine@
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config-vendor = @host_vendor@
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config-os = @host_os@
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config-sysdirs = @sysnames@
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with-cpu = @submachine@
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cflags-cpu = @libc_cv_cc_submachine@
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defines = @DEFINES@
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sysincludes = @SYSINCLUDES@
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34
configure
vendored
34
configure
vendored
@ -730,6 +730,7 @@ libc_cv_gnu89_inline
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libc_cv_have_initfini
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no_whole_archive
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exceptions
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libc_cv_cc_submachine
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LIBGD
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have_libaudit
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have_libcap
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@ -2329,7 +2330,6 @@ echo "$as_me: error: --with-cpu requires an argument" >&2;}
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fi
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# An add-on can set this when it wants to disable the sanity check below.
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libc_config_ok=no
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@ -7097,6 +7097,35 @@ _ACEOF
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fi
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fi
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if test -n "$submachine"; then
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{ echo "$as_me:$LINENO: checking for compiler option for CPU variant" >&5
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echo $ECHO_N "checking for compiler option for CPU variant... $ECHO_C" >&6; }
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if test "${libc_cv_cc_submachine+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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else
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libc_cv_cc_submachine=no
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for opt in "-march=$submachine" "-mcpu=$submachine"; do
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if { ac_try='${CC-cc} $opt -xc /dev/null -S -o /dev/null'
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{ (eval echo "$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 $ac_status); }; }; then
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libc_cv_cc_submachine="$opt"
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break
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fi
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done
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fi
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{ echo "$as_me:$LINENO: result: $libc_cv_cc_submachine" >&5
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echo "${ECHO_T}$libc_cv_cc_submachine" >&6; }
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if test "x$libc_cv_cc_submachine" = xno; then
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{ { echo "$as_me:$LINENO: error: ${CC-cc} does not support $submachine" >&5
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echo "$as_me: error: ${CC-cc} does not support $submachine" >&2;}
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{ (exit 1); exit 1; }; }
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fi
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fi
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{ echo "$as_me:$LINENO: checking for libgd" >&5
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echo $ECHO_N "checking for libgd... $ECHO_C" >&6; }
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if test "$with_gd" != "no"; then
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@ -9264,6 +9293,7 @@ libc_cv_gnu89_inline!$libc_cv_gnu89_inline$ac_delim
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libc_cv_have_initfini!$libc_cv_have_initfini$ac_delim
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no_whole_archive!$no_whole_archive$ac_delim
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exceptions!$exceptions$ac_delim
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libc_cv_cc_submachine!$libc_cv_cc_submachine$ac_delim
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LIBGD!$LIBGD$ac_delim
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have_libaudit!$have_libaudit$ac_delim
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have_libcap!$have_libcap$ac_delim
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@ -9301,7 +9331,7 @@ LIBOBJS!$LIBOBJS$ac_delim
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LTLIBOBJS!$LTLIBOBJS$ac_delim
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_ACEOF
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if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 52; then
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if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 53; then
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break
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elif $ac_last_try; then
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{ { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
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17
configure.in
17
configure.in
@ -326,7 +326,6 @@ AC_ARG_WITH([cpu],
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esac
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])
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# An add-on can set this when it wants to disable the sanity check below.
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libc_config_ok=no
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@ -1973,6 +1972,22 @@ EOF
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fi
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fi
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if test -n "$submachine"; then
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AC_CACHE_CHECK([for compiler option for CPU variant],
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libc_cv_cc_submachine, [dnl
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libc_cv_cc_submachine=no
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for opt in "-march=$submachine" "-mcpu=$submachine"; do
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if AC_TRY_COMMAND([${CC-cc} $opt -xc /dev/null -S -o /dev/null]); then
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libc_cv_cc_submachine="$opt"
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break
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fi
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done])
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if test "x$libc_cv_cc_submachine" = xno; then
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AC_MSG_ERROR([${CC-cc} does not support $submachine])
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fi
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fi
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AC_SUBST(libc_cv_cc_submachine)
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dnl Check whether we have the gd library available.
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AC_MSG_CHECKING(for libgd)
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if test "$with_gd" != "no"; then
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