Re: [Qemu-devel] [PATCH v2] configure: add -Werror to QEMU_CFLAGS early

[Blue Swirl]

Thanks, applied.

On Mon, Jul 9, 2012 at 12:38 PM, Alexander Graf <address@hidden> wrote:
> We want all configure tests pass with -Werror if it is enabled. So we
> need to update QEMU_CFLAGS early on to make sure we also pass it in to
> all the compile test jobs.
>
> This fixes a warning-became-error bug in nss for me with the default
> configuration:
>
> In file included from /usr/include/nss3/pkcs11t.h:1780,
>                  from /usr/include/nss3/keythi.h:41,
>                  from /usr/include/nss3/keyt.h:41,
>                  from /usr/include/nss3/pk11pub.h:43,
>                  from libcacard/vcard_emul_nss.c:21:
> /usr/include/nss3/pkcs11n.h:365:26: error: "__GNUC_MINOR" is not defined
>
> Signed-off-by: Alexander Graf <address@hidden>
> Acked-by: Gerd Hoffmann <address@hidden>
>
> ---
>
> v1 -> v2:
>
>   - fix thinko in parameter list
> ---
>  configure |   35 +++++++++++++++++------------------
>  1 files changed, 17 insertions(+), 18 deletions(-)
>
> diff --git a/configure b/configure
> index 9f071b7..11a8b60 100755
> --- a/configure
> +++ b/configure
> @@ -1141,10 +1141,26 @@ else
>      exit 1
>  fi
>
> +# Consult white-list to determine whether to enable werror
> +# by default.  Only enable by default for git builds
> +z_version=`cut -f3 -d. $source_path/VERSION`
> +
> +if test -z "$werror" ; then
> +    if test "$z_version" = "50" -a \
> +        "$linux" = "yes" ; then
> +        werror="yes"
> +    else
> +        werror="no"
> +    fi
> +fi
> +
>  gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
>  gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers 
> $gcc_flags"
>  gcc_flags="-Wmissing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
>  gcc_flags="-fstack-protector-all -Wendif-labels $gcc_flags"
> +if test "$werror" = "yes" ; then
> +    gcc_flags="-Werror $gcc_flags"
> +fi
>  cat > $TMPC << EOF
>  int main(void) { return 0; }
>  EOF
> @@ -2575,7 +2591,7 @@ if test "$libiscsi" != "no" ; then
>  #include <iscsi/iscsi.h>
>  int main(void) { iscsi_unmap_sync(NULL,0,0,0,NULL,0); return 0; }
>  EOF
> -  if compile_prog "-Werror" "-liscsi" ; then
> +  if compile_prog "" "-liscsi" ; then
>      libiscsi="yes"
>      LIBS="$LIBS -liscsi"
>    else
> @@ -2879,19 +2895,6 @@ if test "$debug" = "no" ; then
>    CFLAGS="-O2 -D_FORTIFY_SOURCE=2 $CFLAGS"
>  fi
>
> -# Consult white-list to determine whether to enable werror
> -# by default.  Only enable by default for git builds
> -z_version=`cut -f3 -d. $source_path/VERSION`
> -
> -if test -z "$werror" ; then
> -    if test "$z_version" = "50" -a \
> -        "$linux" = "yes" ; then
> -        werror="yes"
> -    else
> -        werror="no"
> -    fi
> -fi
> -
>  # Disable zero malloc errors for official releases unless explicitly told to
>  # enable/disable
>  if test -z "$zero_malloc" ; then
> @@ -2902,10 +2905,6 @@ if test -z "$zero_malloc" ; then
>      fi
>  fi
>
> -if test "$werror" = "yes" ; then
> -    QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
> -fi
> -
>  if test "$solaris" = "no" ; then
>      if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; 
> then
>          LDFLAGS="-Wl,--warn-common $LDFLAGS"
> --
> 1.6.0.2
>
>