Message ID | 20170504163950.25046-1-ajax@redhat.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On 4 May 2017 at 17:39, Adam Jackson <ajax@redhat.com> wrote: > AC_HEADER_MAJOR only defines MAJOR_IN_SYSMACROS if major() is _not_ > defined by <sys/types.h> alone. It is, but it warns, and that's ugly. > To fix this, push -Werror into CFLAGS when invoking AC_HEADER_MAJOR so > the warning makes the compilation test fail. > > Signed-off-by: Adam Jackson <ajax@redhat.com> > --- > configure.ac | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/configure.ac b/configure.ac > index e5158b7d..43fcf68f 100644 > --- a/configure.ac > +++ b/configure.ac > @@ -54,7 +54,11 @@ AC_USE_SYSTEM_EXTENSIONS > AC_SYS_LARGEFILE > AC_FUNC_ALLOCA > > +save_CFLAGS="$CFLAGS" > +export CFLAGS="$CFLAGS -Werror" > AC_HEADER_MAJOR > +CFLAGS="$save_CFLAGS" > + IIRC the Sun compiler supports (albeit undocumented) Werror if anyone is using it. So this should be fine. Reviewed-by: Emil Velikov <emil.velilkov@collabora.com> -Emil
diff --git a/configure.ac b/configure.ac index e5158b7d..43fcf68f 100644 --- a/configure.ac +++ b/configure.ac @@ -54,7 +54,11 @@ AC_USE_SYSTEM_EXTENSIONS AC_SYS_LARGEFILE AC_FUNC_ALLOCA +save_CFLAGS="$CFLAGS" +export CFLAGS="$CFLAGS -Werror" AC_HEADER_MAJOR +CFLAGS="$save_CFLAGS" + AC_CHECK_HEADERS([sys/sysctl.h sys/select.h]) # Initialize libtool
AC_HEADER_MAJOR only defines MAJOR_IN_SYSMACROS if major() is _not_ defined by <sys/types.h> alone. It is, but it warns, and that's ugly. To fix this, push -Werror into CFLAGS when invoking AC_HEADER_MAJOR so the warning makes the compilation test fail. Signed-off-by: Adam Jackson <ajax@redhat.com> --- configure.ac | 4 ++++ 1 file changed, 4 insertions(+)