I have seen the thread at
http://www.mail-archive.com/[email protected]/msg03051.html already,
though there is a case where the warning persists:
configure.ac:4: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call
detected in body
../../lib/autoconf/lang.m4:194: AC_LANG_CONFTEST is expanded from...
../../lib/autoconf/general.m4:2662: _AC_LINK_IFELSE is expanded from...
../../lib/autoconf/general.m4:2679: AC_LINK_IFELSE is expanded from...
configure.ac:4: the top level
AC_INIT([foo],[0])
AC_PROG_CC
AC_MSG_CHECKING([foo])
AC_LINK_IFELSE(AC_LANG_SOURCE([int main(void) { return 0; }]))
Adding [ ] around AC_LANG_SOURCE would fix it, but I don't see this
extra quoting being normally required. Can someone elaborate?
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