Re: autoreconf v2.69 with subdir-objects: ./configure creates directory 'src/tests/\$(top_srcdir)'

[Neels Hofmeyr]

Dear autoconf,

I have received no reply yet, so am taking the liberty to <bump>.

BTW, is there a way to verify that this report has reached someone,
besides waiting for an email reply?

Thanks!

~Neels

On Thu, Jan 14, 2016 at 02:40:38PM +0100, Neels Hofmeyr wrote:
> Dear autoconf,
> 
> I am observing a bug with `autoreconf -i`.
> To my/our knowledge, this is not due to an error in
> our configuration but a genuine bug from 'subdir-objects'.
> 
> The symptom: after running ./configure, I find a directory
>   src/tests/\$(top_srcdir)
> 
> (The string that looks like a variable that is to be expanded is written to 
> the
> file system in verbatim, as the directory name.)
> 
> The weird dir contains only a .deps dir with dependency files for the src/*
> files (not for src/tests/* files as one might expect).
> 
> If I remove 'subdir-objects' from configure.ac, the weird dir is not created.
> 
> 
> Reproduction recipe on debian stable:
> 
> ▶ autoreconf --version
> autoreconf (GNU Autoconf) 2.69
> Copyright (C) 2012 Free Software Foundation, Inc.
> License GPLv3+/Autoconf: GNU GPL version 3 or later
> <http://gnu.org/licenses/gpl.html>, <http://gnu.org/licenses/exceptions.html>
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law.
> 
> Written by David J. MacKenzie and Akim Demaille.
> 
> 
> ▶ git clone git://git.osmocom.org/osmo-iuh
> Cloning into 'osmo-iuh'...
> remote: Counting objects: 5945, done.
> remote: Compressing objects: 100% (2661/2661), done.
> remote: Total 5945 (delta 4991), reused 3757 (delta 3228)
> Receiving objects: 100% (5945/5945), 12.11 MiB | 8.97 MiB/s, done.
> Resolving deltas: 100% (4991/4991), done.
> Checking connectivity... done.
> 
> ▶ cd osmo-iuh/
> 
> ▶ sed -i 's/^PKG_/dnl &/' configure.ac
> 
> ▶ autoreconf -i
> aclocal: warning: couldn't open directory 'm4': No such file or directory
> libtoolize: putting auxiliary files in `.'.
> libtoolize: copying file `./ltmain.sh'
> libtoolize: putting macros in AC_CONFIG_MACRO_DIR, `m4'.
> libtoolize: copying file `m4/libtool.m4'
> libtoolize: copying file `m4/ltoptions.m4'
> libtoolize: copying file `m4/ltsugar.m4'
> libtoolize: copying file `m4/ltversion.m4'
> libtoolize: copying file `m4/lt~obsolete.m4'
> libtoolize: Consider adding `-I m4' to ACLOCAL_AMFLAGS in Makefile.am.
> configure.ac:5: installing './compile'
> configure.ac:5: installing './config.guess'
> configure.ac:5: installing './config.sub'
> configure.ac:7: installing './install-sh'
> configure.ac:7: installing './missing'
> src/Makefile.am: installing './depcomp'
> 
> ▶ ./configure
> checking build system type... x86_64-unknown-linux-gnu
> checking host system type... x86_64-unknown-linux-gnu
> checking how to print strings... printf
> checking for gcc... gcc
> checking whether the C compiler works... yes
> checking for C compiler default output file name... a.out
> checking for suffix of executables... 
> checking whether we are cross compiling... no
> checking for suffix of object files... o
> checking whether we are using the GNU C compiler... yes
> checking whether gcc accepts -g... yes
> checking for gcc option to accept ISO C89... none needed
> checking whether gcc understands -c and -o together... yes
> checking for a sed that does not truncate output... /bin/sed
> checking for grep that handles long lines and -e... /bin/grep
> checking for egrep... /bin/grep -E
> checking for fgrep... /bin/grep -F
> checking for ld used by gcc... /usr/bin/ld
> checking if the linker (/usr/bin/ld) is GNU ld... yes
> checking for BSD- or MS-compatible name lister (nm)... /usr/bin/nm -B
> checking the name lister (/usr/bin/nm -B) interface... BSD nm
> checking whether ln -s works... yes
> checking the maximum length of command line arguments... 1572864
> checking whether the shell understands some XSI constructs... yes
> checking whether the shell understands "+="... yes
> checking how to convert x86_64-unknown-linux-gnu file names to 
> x86_64-unknown-linux-gnu format... func_convert_file_noop
> checking how to convert x86_64-unknown-linux-gnu file names to toolchain 
> format... func_convert_file_noop
> checking for /usr/bin/ld option to reload object files... -r
> checking for objdump... objdump
> checking how to recognize dependent libraries... pass_all
> checking for dlltool... no
> checking how to associate runtime and link libraries... printf %s\n
> checking for ar... ar
> checking for archiver @FILE support... @
> checking for strip... strip
> checking for ranlib... ranlib
> checking for gawk... no
> checking for mawk... mawk
> checking command to parse /usr/bin/nm -B output from gcc object... ok
> checking for sysroot... no
> checking for mt... mt
> checking if mt is a manifest tool... no
> checking how to run the C preprocessor... gcc -E
> checking for ANSI C header files... yes
> checking for sys/types.h... yes
> checking for sys/stat.h... yes
> checking for stdlib.h... yes
> checking for string.h... yes
> checking for memory.h... yes
> checking for strings.h... yes
> checking for inttypes.h... yes
> checking for stdint.h... yes
> checking for unistd.h... yes
> checking for dlfcn.h... yes
> checking for objdir... .libs
> checking if gcc supports -fno-rtti -fno-exceptions... no
> checking for gcc option to produce PIC... -fPIC -DPIC
> checking if gcc PIC flag -fPIC -DPIC works... yes
> checking if gcc static flag -static works... yes
> checking if gcc supports -c -o file.o... yes
> checking if gcc supports -c -o file.o... (cached) yes
> checking whether the gcc linker (/usr/bin/ld -m elf_x86_64) supports shared 
> libraries... yes
> checking whether -lc should be explicitly linked in... no
> checking dynamic linker characteristics... GNU/Linux ld.so
> checking how to hardcode library paths into programs... immediate
> checking whether stripping libraries is possible... yes
> checking if libtool supports shared libraries... yes
> checking whether to build shared libraries... yes
> checking whether to build static libraries... yes
> checking for a BSD-compatible install... /usr/bin/install -c
> checking whether build environment is sane... yes
> checking for a thread-safe mkdir -p... /bin/mkdir -p
> checking whether make sets $(MAKE)... yes
> checking for style of include used by make... GNU
> checking whether make supports nested variables... yes
> checking dependency style of gcc... gcc3
> checking whether make supports nested variables... (cached) yes
> checking whether make sets $(MAKE)... (cached) yes
> checking for gcc... (cached) gcc
> checking whether we are using the GNU C compiler... (cached) yes
> checking whether gcc accepts -g... (cached) yes
> checking for gcc option to accept ISO C89... (cached) none needed
> checking whether gcc understands -c and -o together... (cached) yes
> checking for ANSI C header files... (cached) yes
> checking that generated files are newer than configure... done
> configure: creating ./config.status
> config.status: creating libosmo-ranap.pc
> config.status: creating src/Makefile
> config.status: creating src/hnbap/Makefile
> config.status: creating src/ranap/Makefile
> config.status: creating src/rua/Makefile
> config.status: creating src/tests/Makefile
> config.status: creating Makefile
> config.status: creating include/Makefile
> config.status: creating include/osmocom/Makefile
> config.status: creating include/osmocom/hnbap/Makefile
> config.status: creating include/osmocom/ranap/Makefile
> config.status: creating include/osmocom/rua/Makefile
> config.status: executing libtool commands
> config.status: executing depfiles commands
> config.status: executing src/tests/atconfig commands
> 
> ▶ ls -F src/tests/
> atconfig        Makefile       test_common.h    test-hnbap.ok  $(top_srcdir)/
> dummy_cn_sua.c  Makefile.am    test-helpers.c   test-ranap.c
> hnb-test.c      Makefile.in    test-helpers.ok  test-ranap.ok
> hnb-test.h      test_common.c  test-hnbap.c     testsuite.at
> 
> 
> Observe '$(top_srcdir)/' in file listing.
> 
> 
> ▶ ls -aR src/tests/\$\(top_srcdir\)/
> src/tests/$(top_srcdir)/:
> ./  ../  src/
> 
> src/tests/$(top_srcdir)/src:
> ./  ../  .deps/
> 
> src/tests/$(top_srcdir)/src/.deps:
> ./   hnbap_common.Po   hnbap_encoder.Po  rua_decoder.Po  rua_msg_factory.Po
> ../  hnbap_decoder.Po  rua_common.Po     rua_encoder.Po
> 
> 
> 
> Please excuse my not trying to verify the bug with the latest sources. To my
> knowledge, this bug applies to the latest released version (2.69) and I hope 
> it
> will not be an effort to you if the bug is already known to be fixed.
> 
> Thank you for your time!
> 
> ~Neels
> 
> (I am not subscribed to any autoconf ML, hence a Cc to my sender address is
> appreciated)


-- 
- Neels Hofmeyr <address@hidden>          http://www.sysmocom.de/
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