configure: add AC_LANG_SOURCE call within AC_COMPILE_IFELSE
authorEmil Velikov <emil.l.velikov@gmail.com>
Thu, 19 Sep 2013 16:21:01 +0000 (17:21 +0100)
committerEric Anholt <eric@anholt.net>
Tue, 24 Sep 2013 15:52:47 +0000 (08:52 -0700)
commitbf4a7cd4b2456d4dc93a86bbcc51eba4ae73390a
treeb32fb7e9763892333ce23b06f4cbfdf82d1d4440
parent0f4452bb51306024fbf4cbf77d8baab20cefba67
configure: add AC_LANG_SOURCE call within AC_COMPILE_IFELSE

Documentation states that AC_*_IFELSE has to use AC_LANG_SOURCE or
friends in order to generate the source code to compile.
AC_LINK_IFELSE already handles this, thus convert AC_COMPILE_IFELSE
to silence the final autoconf warnings.

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
configure.ac