22352b90e7
autoconf-2.70 and newer are more strict with quoting etc. and thus generate a broken configure file: configure: 20855: Syntax error: ")" unexpected (expecting "fi") Gentoo-bug: https://bugs.gentoo.org/776241 Signed-off-by: Lars Wendler <polynomial-c@gentoo.org>
29 lines
788 B
Plaintext
29 lines
788 B
Plaintext
dnl $Id$
|
|
dnl
|
|
dnl rk_CHECK_VAR(variable, includes)
|
|
AC_DEFUN([rk_CHECK_VAR], [
|
|
AC_MSG_CHECKING(for $1)
|
|
AC_CACHE_VAL(ac_cv_var_$1, [
|
|
m4_ifval([$2],[
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[$2
|
|
void * foo(void) { return &$1; }]],[[foo()]])],
|
|
[ac_cv_var_$1=yes],[ac_cv_var_$1=no])])
|
|
if test "$ac_cv_var_$1" != yes ; then
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[$2
|
|
extern int $1;
|
|
int foo(void) { return $1; }]],[[foo()]])],
|
|
[ac_cv_var_$1=yes],[ac_cv_var_$1=no])
|
|
fi
|
|
])
|
|
ac_foo=`eval echo \\$ac_cv_var_$1`
|
|
AC_MSG_RESULT($ac_foo)
|
|
if test "$ac_foo" = yes; then
|
|
AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_[]$1), 1,
|
|
[Define if you have the `]$1[' variable.])
|
|
m4_ifval([$2], [AC_CHECK_DECLS([$1],[],[],[$2])])
|
|
fi
|
|
])
|
|
|
|
AC_WARNING_ENABLE([obsolete])
|
|
AU_DEFUN([AC_CHECK_VAR], [rk_CHECK_VAR([$2], [$1])], [foo])
|