Message ID | 1356305421-13533-1-git-send-email-vapier@gentoo.org |
---|---|
State | New |
Headers | show |
On Sun, Dec 23, 2012 at 3:30 PM, Mike Frysinger <vapier@gentoo.org> wrote: > diff --git a/libgo/configure.ac b/libgo/configure.ac > index 8cde50b..63d8cbc 100644 > --- a/libgo/configure.ac > +++ b/libgo/configure.ac > @@ -50,8 +50,11 @@ AC_PROG_AWK > WARN_FLAGS='-Wall -Wextra -Wwrite-strings -Wcast-qual' > AC_SUBST(WARN_FLAGS) > > -dnl FIXME: This should be controlled by --enable-maintainer-mode. > -WERROR="-Werror" > +AC_ARG_ENABLE(werror, [AS_HELP_STRING([--enable-werror], > + [turns on -Werror @<:@default=yes@:>@])]) > +if test "x$enable_werror" != "xno"; then > + WERROR="-Werror" > +fi > AC_SUBST(WERROR) > > glibgo_toolexecdir=no Can you say something about when you needed this? What errors were you seeing? Ian
On Tuesday 15 January 2013 09:56:06 Ian Lance Taylor wrote: > On Sun, Dec 23, 2012 at 3:30 PM, Mike Frysinger <vapier@gentoo.org> wrote: > > diff --git a/libgo/configure.ac b/libgo/configure.ac > > index 8cde50b..63d8cbc 100644 > > --- a/libgo/configure.ac > > +++ b/libgo/configure.ac > > @@ -50,8 +50,11 @@ AC_PROG_AWK > > > > WARN_FLAGS='-Wall -Wextra -Wwrite-strings -Wcast-qual' > > AC_SUBST(WARN_FLAGS) > > > > -dnl FIXME: This should be controlled by --enable-maintainer-mode. > > -WERROR="-Werror" > > +AC_ARG_ENABLE(werror, [AS_HELP_STRING([--enable-werror], > > + [turns on -Werror > > @<:@default=yes@:>@])]) +if test "x$enable_werror" != "xno"; then > > + WERROR="-Werror" > > +fi > > > > AC_SUBST(WERROR) > > > > glibgo_toolexecdir=no > > Can you say something about when you needed this? What errors were you > seeing? the referenced PR describes one: /build/src/gcc-4.7.1/libgo/runtime/print.c: In function 'gwrite': /build/src/gcc-4.7.1/libgo/runtime/print.c:20:3: error: ignoring return value of 'write', declared with attribute warn_unused_result [-Werror=unused-result] cc1: all warnings being treated as errors this bites distros that enable security settings by default (such as fortify and ssp). but ignoring even that, i don't believe releases should build all the time with -Werror -- i'm fine with defaulting to on as long as there is a configure flag to turn it off which is what this does like is already handled in much of the sourceware tree. -Werror is great for development, but sucks when deployed on actual systems. the assumptions made at time of checkin rarely stay constant forever (in this case, a changing lib C can easily break it). -mike
On Tue, Jan 15, 2013 at 9:45 AM, Mike Frysinger <vapier@gentoo.org> wrote: > On Tuesday 15 January 2013 09:56:06 Ian Lance Taylor wrote: >> On Sun, Dec 23, 2012 at 3:30 PM, Mike Frysinger <vapier@gentoo.org> wrote: >> > diff --git a/libgo/configure.ac b/libgo/configure.ac >> > index 8cde50b..63d8cbc 100644 >> > --- a/libgo/configure.ac >> > +++ b/libgo/configure.ac >> > @@ -50,8 +50,11 @@ AC_PROG_AWK >> > >> > WARN_FLAGS='-Wall -Wextra -Wwrite-strings -Wcast-qual' >> > AC_SUBST(WARN_FLAGS) >> > >> > -dnl FIXME: This should be controlled by --enable-maintainer-mode. >> > -WERROR="-Werror" >> > +AC_ARG_ENABLE(werror, [AS_HELP_STRING([--enable-werror], >> > + [turns on -Werror >> > @<:@default=yes@:>@])]) +if test "x$enable_werror" != "xno"; then >> > + WERROR="-Werror" >> > +fi >> > >> > AC_SUBST(WERROR) >> > >> > glibgo_toolexecdir=no >> >> Can you say something about when you needed this? What errors were you >> seeing? > > the referenced PR describes one: > /build/src/gcc-4.7.1/libgo/runtime/print.c: In function 'gwrite': > /build/src/gcc-4.7.1/libgo/runtime/print.c:20:3: error: ignoring return value > of 'write', declared with attribute warn_unused_result [-Werror=unused-result] > cc1: all warnings being treated as errors > > this bites distros that enable security settings by default (such as fortify > and ssp). but ignoring even that, i don't believe releases should build all > the time with -Werror -- i'm fine with defaulting to on as long as there is a > configure flag to turn it off which is what this does like is already handled in > much of the sourceware tree. -Werror is great for development, but sucks when > deployed on actual systems. the assumptions made at time of checkin rarely > stay constant forever (in this case, a changing lib C can easily break it). > -mike Thanks for the explanation. Committed to mainline. Ian
On Friday 25 January 2013 19:13:55 Ian Lance Taylor wrote: > On Tue, Jan 15, 2013 at 9:45 AM, Mike Frysinger wrote: > > On Tuesday 15 January 2013 09:56:06 Ian Lance Taylor wrote: > >> On Sun, Dec 23, 2012 at 3:30 PM, Mike Frysinger wrote: > >> > diff --git a/libgo/configure.ac b/libgo/configure.ac > >> > index 8cde50b..63d8cbc 100644 > >> > --- a/libgo/configure.ac > >> > +++ b/libgo/configure.ac > >> > @@ -50,8 +50,11 @@ AC_PROG_AWK > >> > > >> > WARN_FLAGS='-Wall -Wextra -Wwrite-strings -Wcast-qual' > >> > AC_SUBST(WARN_FLAGS) > >> > > >> > -dnl FIXME: This should be controlled by --enable-maintainer-mode. > >> > -WERROR="-Werror" > >> > +AC_ARG_ENABLE(werror, [AS_HELP_STRING([--enable-werror], > >> > + [turns on -Werror > >> > @<:@default=yes@:>@])]) +if test "x$enable_werror" != "xno"; then > >> > + WERROR="-Werror" > >> > +fi > >> > > >> > AC_SUBST(WERROR) > >> > > >> > glibgo_toolexecdir=no > >> > >> Can you say something about when you needed this? What errors were you > >> seeing? > > > > the referenced PR describes one: > > /build/src/gcc-4.7.1/libgo/runtime/print.c: In function 'gwrite': > > /build/src/gcc-4.7.1/libgo/runtime/print.c:20:3: error: ignoring return > > value of 'write', declared with attribute warn_unused_result > > [-Werror=unused-result] cc1: all warnings being treated as errors > > > > this bites distros that enable security settings by default (such as > > fortify and ssp). but ignoring even that, i don't believe releases > > should build all the time with -Werror -- i'm fine with defaulting to on > > as long as there is a configure flag to turn it off which is what this > > does like is already handled in much of the sourceware tree. -Werror is > > great for development, but sucks when deployed on actual systems. the > > assumptions made at time of checkin rarely stay constant forever (in > > this case, a changing lib C can easily break it). -mike > > Thanks for the explanation. > > Committed to mainline. thanks! mind if i commit it to gcc-4.6 and gcc-4.7 too ? -mike
On Fri, Jan 25, 2013 at 7:20 PM, Mike Frysinger <vapier@gentoo.org> wrote: > On Friday 25 January 2013 19:13:55 Ian Lance Taylor wrote: >> On Tue, Jan 15, 2013 at 9:45 AM, Mike Frysinger wrote: >> > On Tuesday 15 January 2013 09:56:06 Ian Lance Taylor wrote: >> >> On Sun, Dec 23, 2012 at 3:30 PM, Mike Frysinger wrote: >> >> > diff --git a/libgo/configure.ac b/libgo/configure.ac >> >> > index 8cde50b..63d8cbc 100644 >> >> > --- a/libgo/configure.ac >> >> > +++ b/libgo/configure.ac >> >> > @@ -50,8 +50,11 @@ AC_PROG_AWK >> >> > >> >> > WARN_FLAGS='-Wall -Wextra -Wwrite-strings -Wcast-qual' >> >> > AC_SUBST(WARN_FLAGS) >> >> > >> >> > -dnl FIXME: This should be controlled by --enable-maintainer-mode. >> >> > -WERROR="-Werror" >> >> > +AC_ARG_ENABLE(werror, [AS_HELP_STRING([--enable-werror], >> >> > + [turns on -Werror >> >> > @<:@default=yes@:>@])]) +if test "x$enable_werror" != "xno"; then >> >> > + WERROR="-Werror" >> >> > +fi >> >> > >> >> > AC_SUBST(WERROR) >> >> > >> >> > glibgo_toolexecdir=no >> >> >> >> Can you say something about when you needed this? What errors were you >> >> seeing? >> > >> > the referenced PR describes one: >> > /build/src/gcc-4.7.1/libgo/runtime/print.c: In function 'gwrite': >> > /build/src/gcc-4.7.1/libgo/runtime/print.c:20:3: error: ignoring return >> > value of 'write', declared with attribute warn_unused_result >> > [-Werror=unused-result] cc1: all warnings being treated as errors >> > >> > this bites distros that enable security settings by default (such as >> > fortify and ssp). but ignoring even that, i don't believe releases >> > should build all the time with -Werror -- i'm fine with defaulting to on >> > as long as there is a configure flag to turn it off which is what this >> > does like is already handled in much of the sourceware tree. -Werror is >> > great for development, but sucks when deployed on actual systems. the >> > assumptions made at time of checkin rarely stay constant forever (in >> > this case, a changing lib C can easily break it). -mike >> >> Thanks for the explanation. >> >> Committed to mainline. > > thanks! mind if i commit it to gcc-4.6 and gcc-4.7 too ? I certainly don't mind. You should probably get agreement from the release managers although this seems safe enough. Ian
On Saturday 26 January 2013 21:40:44 Ian Lance Taylor wrote: > On Fri, Jan 25, 2013 at 7:20 PM, Mike Frysinger wrote: > > On Friday 25 January 2013 19:13:55 Ian Lance Taylor wrote: > >> On Tue, Jan 15, 2013 at 9:45 AM, Mike Frysinger wrote: > >> > On Tuesday 15 January 2013 09:56:06 Ian Lance Taylor wrote: > >> >> On Sun, Dec 23, 2012 at 3:30 PM, Mike Frysinger wrote: > >> >> > diff --git a/libgo/configure.ac b/libgo/configure.ac > >> >> > index 8cde50b..63d8cbc 100644 > >> >> > --- a/libgo/configure.ac > >> >> > +++ b/libgo/configure.ac > >> >> > @@ -50,8 +50,11 @@ AC_PROG_AWK > >> >> > > >> >> > WARN_FLAGS='-Wall -Wextra -Wwrite-strings -Wcast-qual' > >> >> > AC_SUBST(WARN_FLAGS) > >> >> > > >> >> > -dnl FIXME: This should be controlled by --enable-maintainer-mode. > >> >> > -WERROR="-Werror" > >> >> > +AC_ARG_ENABLE(werror, [AS_HELP_STRING([--enable-werror], > >> >> > + [turns on -Werror > >> >> > @<:@default=yes@:>@])]) +if test "x$enable_werror" != "xno"; then > >> >> > + WERROR="-Werror" > >> >> > +fi > >> >> > > >> >> > AC_SUBST(WERROR) > >> >> > > >> >> > glibgo_toolexecdir=no > >> >> > >> >> Can you say something about when you needed this? What errors were > >> >> you seeing? > >> > > >> > the referenced PR describes one: > >> > /build/src/gcc-4.7.1/libgo/runtime/print.c: In function 'gwrite': > >> > /build/src/gcc-4.7.1/libgo/runtime/print.c:20:3: error: ignoring > >> > return value of 'write', declared with attribute warn_unused_result > >> > [-Werror=unused-result] cc1: all warnings being treated as errors > >> > > >> > this bites distros that enable security settings by default (such as > >> > fortify and ssp). but ignoring even that, i don't believe releases > >> > should build all the time with -Werror -- i'm fine with defaulting to > >> > on as long as there is a configure flag to turn it off which is what > >> > this does like is already handled in much of the sourceware tree. > >> > -Werror is great for development, but sucks when deployed on actual > >> > systems. the assumptions made at time of checkin rarely stay > >> > constant forever (in this case, a changing lib C can easily break > >> > it). -mike > >> > >> Thanks for the explanation. > >> > >> Committed to mainline. > > > > thanks! mind if i commit it to gcc-4.6 and gcc-4.7 too ? > > I certainly don't mind. You should probably get agreement from the > release managers although this seems safe enough. can you approve merges to the google branches ? that's really where i want this :). -mike
On Mon, Mar 4, 2013 at 4:11 PM, Mike Frysinger <vapier@gentoo.org> wrote: > On Saturday 26 January 2013 21:40:44 Ian Lance Taylor wrote: >> On Fri, Jan 25, 2013 at 7:20 PM, Mike Frysinger wrote: >> > On Friday 25 January 2013 19:13:55 Ian Lance Taylor wrote: >> >> On Tue, Jan 15, 2013 at 9:45 AM, Mike Frysinger wrote: >> >> > On Tuesday 15 January 2013 09:56:06 Ian Lance Taylor wrote: >> >> >> On Sun, Dec 23, 2012 at 3:30 PM, Mike Frysinger wrote: >> >> >> > diff --git a/libgo/configure.ac b/libgo/configure.ac >> >> >> > index 8cde50b..63d8cbc 100644 >> >> >> > --- a/libgo/configure.ac >> >> >> > +++ b/libgo/configure.ac >> >> >> > @@ -50,8 +50,11 @@ AC_PROG_AWK >> >> >> > >> >> >> > WARN_FLAGS='-Wall -Wextra -Wwrite-strings -Wcast-qual' >> >> >> > AC_SUBST(WARN_FLAGS) >> >> >> > >> >> >> > -dnl FIXME: This should be controlled by --enable-maintainer-mode. >> >> >> > -WERROR="-Werror" >> >> >> > +AC_ARG_ENABLE(werror, [AS_HELP_STRING([--enable-werror], >> >> >> > + [turns on -Werror >> >> >> > @<:@default=yes@:>@])]) +if test "x$enable_werror" != "xno"; then >> >> >> > + WERROR="-Werror" >> >> >> > +fi >> >> >> > >> >> >> > AC_SUBST(WERROR) >> >> >> > >> >> >> > glibgo_toolexecdir=no >> >> >> >> >> >> Can you say something about when you needed this? What errors were >> >> >> you seeing? >> >> > >> >> > the referenced PR describes one: >> >> > /build/src/gcc-4.7.1/libgo/runtime/print.c: In function 'gwrite': >> >> > /build/src/gcc-4.7.1/libgo/runtime/print.c:20:3: error: ignoring >> >> > return value of 'write', declared with attribute warn_unused_result >> >> > [-Werror=unused-result] cc1: all warnings being treated as errors >> >> > >> >> > this bites distros that enable security settings by default (such as >> >> > fortify and ssp). but ignoring even that, i don't believe releases >> >> > should build all the time with -Werror -- i'm fine with defaulting to >> >> > on as long as there is a configure flag to turn it off which is what >> >> > this does like is already handled in much of the sourceware tree. >> >> > -Werror is great for development, but sucks when deployed on actual >> >> > systems. the assumptions made at time of checkin rarely stay >> >> > constant forever (in this case, a changing lib C can easily break >> >> > it). -mike >> >> >> >> Thanks for the explanation. >> >> >> >> Committed to mainline. >> > >> > thanks! mind if i commit it to gcc-4.6 and gcc-4.7 too ? >> >> I certainly don't mind. You should probably get agreement from the >> release managers although this seems safe enough. > > can you approve merges to the google branches ? that's really where i want > this :). No, I don't work on those branches. Sorry. CC'ed dnovillo@google.com. Ian
On Tue, Mar 5, 2013 at 12:31 AM, Ian Lance Taylor <iant@google.com> wrote: > > On Mon, Mar 4, 2013 at 4:11 PM, Mike Frysinger <vapier@gentoo.org> wrote: > > On Saturday 26 January 2013 21:40:44 Ian Lance Taylor wrote: > >> On Fri, Jan 25, 2013 at 7:20 PM, Mike Frysinger wrote: > >> > On Friday 25 January 2013 19:13:55 Ian Lance Taylor wrote: > >> >> On Tue, Jan 15, 2013 at 9:45 AM, Mike Frysinger wrote: > >> >> > On Tuesday 15 January 2013 09:56:06 Ian Lance Taylor wrote: > >> >> >> On Sun, Dec 23, 2012 at 3:30 PM, Mike Frysinger wrote: > >> >> >> > diff --git a/libgo/configure.ac b/libgo/configure.ac > >> >> >> > index 8cde50b..63d8cbc 100644 > >> >> >> > --- a/libgo/configure.ac > >> >> >> > +++ b/libgo/configure.ac > >> >> >> > @@ -50,8 +50,11 @@ AC_PROG_AWK > >> >> >> > > >> >> >> > WARN_FLAGS='-Wall -Wextra -Wwrite-strings -Wcast-qual' > >> >> >> > AC_SUBST(WARN_FLAGS) > >> >> >> > > >> >> >> > -dnl FIXME: This should be controlled by > >> >> >> > --enable-maintainer-mode. > >> >> >> > -WERROR="-Werror" > >> >> >> > +AC_ARG_ENABLE(werror, [AS_HELP_STRING([--enable-werror], > >> >> >> > + [turns on -Werror > >> >> >> > @<:@default=yes@:>@])]) +if test "x$enable_werror" != "xno"; > >> >> >> > then > >> >> >> > + WERROR="-Werror" > >> >> >> > +fi > >> >> >> > > >> >> >> > AC_SUBST(WERROR) > >> >> >> > > >> >> >> > glibgo_toolexecdir=no > >> >> >> > >> >> >> Can you say something about when you needed this? What errors > >> >> >> were > >> >> >> you seeing? > >> >> > > >> >> > the referenced PR describes one: > >> >> > /build/src/gcc-4.7.1/libgo/runtime/print.c: In function 'gwrite': > >> >> > /build/src/gcc-4.7.1/libgo/runtime/print.c:20:3: error: ignoring > >> >> > return value of 'write', declared with attribute > >> >> > warn_unused_result > >> >> > [-Werror=unused-result] cc1: all warnings being treated as errors > >> >> > > >> >> > this bites distros that enable security settings by default (such > >> >> > as > >> >> > fortify and ssp). but ignoring even that, i don't believe > >> >> > releases > >> >> > should build all the time with -Werror -- i'm fine with defaulting > >> >> > to > >> >> > on as long as there is a configure flag to turn it off which is > >> >> > what > >> >> > this does like is already handled in much of the sourceware tree. > >> >> > -Werror is great for development, but sucks when deployed on > >> >> > actual > >> >> > systems. the assumptions made at time of checkin rarely stay > >> >> > constant forever (in this case, a changing lib C can easily break > >> >> > it). -mike > >> >> > >> >> Thanks for the explanation. > >> >> > >> >> Committed to mainline. > >> > > >> > thanks! mind if i commit it to gcc-4.6 and gcc-4.7 too ? > >> > >> I certainly don't mind. You should probably get agreement from the > >> release managers although this seems safe enough. > > > > can you approve merges to the google branches ? that's really where i > > want > > this :). > > No, I don't work on those branches. Sorry. I committed this patch to google/gcc-4_7 rev 196494. Feel free to commit to google/gcc-4_6 if you need to. Diego.
On Wednesday 06 March 2013 10:49:23 Diego Novillo wrote: > On Tue, Mar 5, 2013 at 12:31 AM, Ian Lance Taylor <iant@google.com> wrote: > > On Mon, Mar 4, 2013 at 4:11 PM, Mike Frysinger <vapier@gentoo.org> wrote: > > > On Saturday 26 January 2013 21:40:44 Ian Lance Taylor wrote: > > >> On Fri, Jan 25, 2013 at 7:20 PM, Mike Frysinger wrote: > > >> > On Friday 25 January 2013 19:13:55 Ian Lance Taylor wrote: > > >> >> On Tue, Jan 15, 2013 at 9:45 AM, Mike Frysinger wrote: > > >> >> > On Tuesday 15 January 2013 09:56:06 Ian Lance Taylor wrote: > > >> >> >> On Sun, Dec 23, 2012 at 3:30 PM, Mike Frysinger wrote: > > >> >> >> > diff --git a/libgo/configure.ac b/libgo/configure.ac > > >> >> >> > index 8cde50b..63d8cbc 100644 > > >> >> >> > --- a/libgo/configure.ac > > >> >> >> > +++ b/libgo/configure.ac > > >> >> >> > @@ -50,8 +50,11 @@ AC_PROG_AWK > > >> >> >> > > > >> >> >> > WARN_FLAGS='-Wall -Wextra -Wwrite-strings -Wcast-qual' > > >> >> >> > AC_SUBST(WARN_FLAGS) > > >> >> >> > > > >> >> >> > -dnl FIXME: This should be controlled by > > >> >> >> > --enable-maintainer-mode. > > >> >> >> > -WERROR="-Werror" > > >> >> >> > +AC_ARG_ENABLE(werror, [AS_HELP_STRING([--enable-werror], > > >> >> >> > + [turns on -Werror > > >> >> >> > @<:@default=yes@:>@])]) +if test "x$enable_werror" != "xno"; > > >> >> >> > then > > >> >> >> > + WERROR="-Werror" > > >> >> >> > +fi > > >> >> >> > > > >> >> >> > AC_SUBST(WERROR) > > >> >> >> > > > >> >> >> > glibgo_toolexecdir=no > > >> >> >> > > >> >> >> Can you say something about when you needed this? What errors > > >> >> >> were > > >> >> >> you seeing? > > >> >> > > > >> >> > the referenced PR describes one: > > >> >> > /build/src/gcc-4.7.1/libgo/runtime/print.c: In function 'gwrite': > > >> >> > /build/src/gcc-4.7.1/libgo/runtime/print.c:20:3: error: ignoring > > >> >> > return value of 'write', declared with attribute > > >> >> > warn_unused_result > > >> >> > [-Werror=unused-result] cc1: all warnings being treated as errors > > >> >> > > > >> >> > this bites distros that enable security settings by default (such > > >> >> > as > > >> >> > fortify and ssp). but ignoring even that, i don't believe > > >> >> > releases > > >> >> > should build all the time with -Werror -- i'm fine with > > >> >> > defaulting to > > >> >> > on as long as there is a configure flag to turn it off which is > > >> >> > what > > >> >> > this does like is already handled in much of the sourceware tree. > > >> >> > -Werror is great for development, but sucks when deployed on > > >> >> > actual > > >> >> > systems. the assumptions made at time of checkin rarely stay > > >> >> > constant forever (in this case, a changing lib C can easily break > > >> >> > it). -mike > > >> >> > > >> >> Thanks for the explanation. > > >> >> > > >> >> Committed to mainline. > > >> > > > >> > thanks! mind if i commit it to gcc-4.6 and gcc-4.7 too ? > > >> > > >> I certainly don't mind. You should probably get agreement from the > > >> release managers although this seems safe enough. > > > > > > can you approve merges to the google branches ? that's really where i > > > want > > > this :). > > > > No, I don't work on those branches. Sorry. > > I committed this patch to google/gcc-4_7 rev 196494. Feel free to > commit to google/gcc-4_6 if you need to. nope, we just need it in 4.7, thanks! -mike
diff --git a/libgo/configure b/libgo/configure index 04fa89d..49cc4a9 100755 --- a/libgo/configure +++ b/libgo/configure @@ -809,6 +809,7 @@ enable_static with_pic enable_fast_install enable_libtool_lock +enable_werror enable_version_specific_runtime_libs with_libffi with_system_libunwind @@ -1449,6 +1450,7 @@ Optional Features: --enable-fast-install[=PKGS] optimize for fast installation [default=yes] --disable-libtool-lock avoid locking (might break parallel builds) + --enable-werror turns on -Werror [default=yes] --enable-version-specific-runtime-libs Specify that runtime libraries should be installed in a compiler-specific directory @@ -11102,7 +11104,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 11105 "configure" +#line 11107 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -11208,7 +11210,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 11211 "configure" +#line 11213 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -13386,7 +13388,14 @@ done WARN_FLAGS='-Wall -Wextra -Wwrite-strings -Wcast-qual' -WERROR="-Werror" +# Check whether --enable-werror was given. +if test "${enable_werror+set}" = set; then : + enableval=$enable_werror; +fi + +if test "x$enable_werror" != "xno"; then + WERROR="-Werror" +fi glibgo_toolexecdir=no diff --git a/libgo/configure.ac b/libgo/configure.ac index 8cde50b..63d8cbc 100644 --- a/libgo/configure.ac +++ b/libgo/configure.ac @@ -50,8 +50,11 @@ AC_PROG_AWK WARN_FLAGS='-Wall -Wextra -Wwrite-strings -Wcast-qual' AC_SUBST(WARN_FLAGS) -dnl FIXME: This should be controlled by --enable-maintainer-mode. -WERROR="-Werror" +AC_ARG_ENABLE(werror, [AS_HELP_STRING([--enable-werror], + [turns on -Werror @<:@default=yes@:>@])]) +if test "x$enable_werror" != "xno"; then + WERROR="-Werror" +fi AC_SUBST(WERROR) glibgo_toolexecdir=no
URL: http://gcc.gnu.org/PR53679 Signed-off-by: Mike Frysinger <vapier@gentoo.org> --- libgo/configure | 15 ++++++++++++--- libgo/configure.ac | 7 +++++-- 2 files changed, 17 insertions(+), 5 deletions(-)