Thank You for your help It works now Vincent On Tue, Jan 21, 2020 at 4:37 PM Zack Weinberg <zackw@xxxxxxxxx> wrote: > On Tue, Jan 21, 2020 at 10:18 AM Zack Weinberg <zackw@xxxxxxxxx> wrote: > > > > The `aclocal` program (which is run by autoreconf) is supposed to > > generate aclocal.m4, though. I strongly suspect the missing AC_INIT > > is the problem here. > > Following up on this, if I run autoreconf -vif on Vincent's original > configure.ac+Makefile.am+m4 directory (also with dummy NEWS README > COPYING AUTHORS ChangeLog files), I get errors: > > $ autoreconf --version > autoreconf (GNU Autoconf) 2.69 > Copyright (C) 2012 Free Software Foundation, Inc. > [etc] > > $ autoreconf -vif > autoreconf: Entering directory `.' > autoreconf: configure.ac: not using Autoconf > autoreconf: Leaving directory `.' > > [autoreconf should probably exit unsuccessfully when that happens, but > that's a side issue.] Individual autotools commands also fail: > > $ aclocal -I m4 > configure.ac:8: error: AC_INIT should be called with package and > version arguments > /usr/share/aclocal-1.16/init.m4:29: AM_INIT_AUTOMAKE is expanded from... > configure.ac:8: the top level > autom4te: /usr/bin/m4 failed with exit status: 1 > aclocal: error: echo failed with exit status: 1 > > (aclocal does exit unsuccessfully in this case, and aclocal.m4 is not > created) > > $ automake --add-missing > configure.ac:9: error: m4_defn: undefined macro: _AC_LANG > ../../lib/autoconf/lang.m4:107: AC_LANG_POP is expanded from... > ../../lib/autoconf/c.m4:448: AC_PROG_CC is expanded from... > configure.ac:9: the top level > autom4te: /usr/bin/m4 failed with exit status: 1 > automake: error: autoconf failed with exit status: 1 > > (automake exits unsuccessfully and Makefile.in is not created) > > $ autoconf > configure.ac:9: error: m4_defn: undefined macro: _AC_LANG > ../../lib/autoconf/lang.m4:107: AC_LANG_POP is expanded from... > ../../lib/autoconf/c.m4:448: AC_PROG_CC is expanded from... > configure.ac:9: the top level > autom4te: /usr/bin/m4 failed with exit status: 1 > > (autoconf exits unsuccessfully and configure is not created) > > If I make this change to configure.ac, on the other hand, autoreconf > -vif completes successfully and the generated configure script runs > fine: > > diff -u configure.ac.old configure.ac > --- configure.ac.old 2020-01-21 10:31:26.816736978 -0500 > +++ configure.ac 2020-01-21 10:31:34.536537740 -0500 > @@ -1,8 +1,5 @@ > AC_CONFIG_MACRO_DIRS([m4]) > -m4_pattern_allow([AC_PROG_CC_C99]) > -m4_include([m4/ax_check_compile_flag.m4]) > -m4_include([m4/ax_cxx_compile_stdcxx.m4]) > -m4_include([m4/ax_cxx_compile_stdcxx_11.m4]) > +AC_INIT([demo],[1.0]) > AC_CONFIG_SRCDIR(configure.ac) > AM_CONFIG_HEADER(config.h) > AM_INIT_AUTOMAKE > > So it appears to me that the whole problem really was the lack of an > AC_INIT, and that explicit m4_include invocations are *not* necessary. > > (The warnings about use of obsolete macros AM_CONFIG_HEADER and > AC_PROG_LIBTOOL should still be fixed, but that's much less > important.) > > zw >
