openbsc: add missing AC_LANG_SOURCE for current autoconf

autoconf >=2.68 demands the body of an AC_COMPILE_IFELSE to be wrapped in
an AC_LANG_SOURCE macro, otherwise outputs annoying warnings on the
invocation of `autoreconf -i`. this patch follows that demand.
changes/88/3188/1
Alexander Huemer 12 years ago committed by Harald Welte
parent 80cffaf323
commit db1bd6998b
  1. 2
      openbsc/configure.in

@ -59,7 +59,7 @@ dnl Checks for typedefs, structures and compiler characteristics
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -fvisibility=hidden "
AC_MSG_CHECKING([if ${CC} supports -fvisibility=hidden])
AC_COMPILE_IFELSE([char foo;],
AC_COMPILE_IFELSE([AC_LANG_SOURCE([char foo;])],
[ AC_MSG_RESULT([yes])
SYMBOL_VISIBILITY="-fvisibility=hidden"],
AC_MSG_RESULT([no]))

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