Permalink
Switch branches/tags
Nothing to show
Find file
Fetching contributors…
Cannot retrieve contributors at this time
124 lines (104 sloc) 4.12 KB
dnl Turn on the additional warnings last, so -Werror doesn't affect other tests.
AC_DEFUN([IMENDIO_COMPILE_WARNINGS],[
if test -f $srcdir/autogen.sh; then
default_compile_warnings="error"
else
default_compile_warnings="no"
fi
AC_ARG_WITH(compile-warnings, [ --with-compile-warnings=[no/yes/error] Compiler warnings ], [enable_compile_warnings="$withval"], [enable_compile_warnings="$default_compile_warnings"])
warnCFLAGS=
if test "x$GCC" != xyes; then
enable_compile_warnings=no
fi
warning_flags=
realsave_CFLAGS="$CFLAGS"
case "$enable_compile_warnings" in
no)
warning_flags=
;;
yes)
warning_flags="-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations"
;;
maximum|error)
warning_flags="-Wall -Wunused -Wchar-subscripts -Wmissing-declarations -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wcast-align -std=c99"
CFLAGS="$warning_flags $CFLAGS"
for option in -Wno-sign-compare -Wno-pointer-sign; do
SAVE_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $option"
AC_MSG_CHECKING([whether gcc understands $option])
AC_TRY_COMPILE([], [],
has_option=yes,
has_option=no,)
CFLAGS="$SAVE_CFLAGS"
AC_MSG_RESULT($has_option)
if test $has_option = yes; then
warning_flags="$warning_flags $option"
fi
unset has_option
unset SAVE_CFLAGS
done
unset option
if test "$enable_compile_warnings" = "error" ; then
warning_flags="$warning_flags -Werror"
fi
;;
*)
AC_MSG_ERROR(Unknown argument '$enable_compile_warnings' to --enable-compile-warnings)
;;
esac
CFLAGS="$realsave_CFLAGS"
AC_MSG_CHECKING(what warning flags to pass to the C compiler)
AC_MSG_RESULT($warning_flags)
WARN_CFLAGS="$warning_flags"
AC_SUBST(WARN_CFLAGS)
])
dnl as-ac-expand.m4 0.2.0
dnl autostars m4 macro for expanding directories using configure's prefix
dnl thomas@apestaart.org
dnl AS_AC_EXPAND(VAR, CONFIGURE_VAR)
dnl example
dnl AS_AC_EXPAND(SYSCONFDIR, $sysconfdir)
dnl will set SYSCONFDIR to /usr/local/etc if prefix=/usr/local
AC_DEFUN([AS_AC_EXPAND],
[
EXP_VAR=[$1]
FROM_VAR=[$2]
dnl first expand prefix and exec_prefix if necessary
prefix_save=$prefix
exec_prefix_save=$exec_prefix
dnl if no prefix given, then use /usr/local, the default prefix
if test "x$prefix" = "xNONE"; then
prefix="$ac_default_prefix"
fi
dnl if no exec_prefix given, then use prefix
if test "x$exec_prefix" = "xNONE"; then
exec_prefix=$prefix
fi
full_var="$FROM_VAR"
dnl loop until it doesn't change anymore
while true; do
new_full_var="`eval echo $full_var`"
if test "x$new_full_var" = "x$full_var"; then break; fi
full_var=$new_full_var
done
dnl clean up
full_var=$new_full_var
AC_SUBST([$1], "$full_var")
dnl restore prefix and exec_prefix
prefix=$prefix_save
exec_prefix=$exec_prefix_save
])
dnl AG_GST_SET_PLUGINDIR
dnl AC_DEFINE PLUGINDIR to the full location where plug-ins will be installed
dnl AC_SUBST plugindir, to be used in Makefile.am's
AC_DEFUN([AG_GST_SET_PLUGINDIR],
[
dnl define location of plugin directory
AS_AC_EXPAND(PLUGINDIR, ${libdir}/gstreamer-0.10)
AC_DEFINE_UNQUOTED(PLUGINDIR, "$PLUGINDIR",
[directory where plugins are located])
AC_MSG_NOTICE([Using $PLUGINDIR as the plugin install location])
dnl plugin directory configure-time variable for use in Makefile.am
plugindir="\$(libdir)/gstreamer-0.10"
AC_SUBST(plugindir)
])