consider this simple code base: $ cat configure.ac AC_PREREQ([2.63]) AC_INIT([foo], [0]) AM_INIT_AUTOMAKE([1.11 -Wall foreign]) AC_PROG_CC LT_INIT AC_OUTPUT(Makefile)
$ cat Makefile.am lib_LTLIBRARIES = libfoo.la libfoo_la_SOURCES = foo.c $ touch foo.c with automake-1.11.5, everything works great: $ autoreconf -f -i libtoolize: Consider adding `AC_CONFIG_MACRO_DIR([m4])' to configure.ac and libtoolize: rerunning libtoolize, to keep the correct libtool macros in-tree. libtoolize: Consider adding `-I m4' to ACLOCAL_AMFLAGS in Makefile.am. however, upgrade to automake-1.12, and it starts spitting this: libtoolize: Consider adding `AC_CONFIG_MACRO_DIR([m4])' to configure.ac and libtoolize: rerunning libtoolize, to keep the correct libtool macros in-tree. libtoolize: Consider adding `-I m4' to ACLOCAL_AMFLAGS in Makefile.am. /usr/share/automake-1.12/am/ltlibrary.am: warning: 'libfoo.la': linking libtool libraries using a non-POSIX /usr/share/automake-1.12/am/ltlibrary.am: archiver requires 'AM_PROG_AR' in 'configure.ac' Makefile.am:1: while processing Libtool library 'libfoo.la' what gives ? -mike
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