build,cpp: Separate C++ bindings from gpgme

* configure.ac: Remove definition and substitution of
LIBGPGMEPP_LT_CURRENT, LIBGPGMEPP_LT_AGE, LIBGPGMEPP_LT_REVISION.
Remove "cpp" from available_languages and from default_languages.
Remove checks for C++ 11 and for support of visibility attribute.
Remove substitution of GPGME_CPP_CFLAGS.
Remove definition and substitution of GPGMEPP_PKGCONFIG_LIBS,
GPGMEPP_PKGCONFIG_CFLAGS, GPGMEPP_PKGCONFIG_HOST.
Remove generation of files in lang/cpp.
* lang/Makefile.am (DIST_SUBDIRS): Remove cpp.
* lang/cpp/.gitignore, lang/cpp/AUTHORS, lang/cpp/COPYING,
lang/cpp/COPYING.LESSER, lang/cpp/COPYING.LIB, lang/cpp/ChangeLog,
lang/cpp/INSTALL, lang/cpp/NEWS, lang/cpp/autogen.rc,
lang/cpp/autogen.sh, lang/cpp/configure.ac: New.
* lang/cpp/Makefile.am (EXTRA_DIST): Add autogen.sh, autogen.rc,
VERSION.
(RELEASE_ARCHIVE_SUFFIX, ACLOCAL_AMFLAGS, dist-hook, distcheck-hook,
.PHONY, gen_start_date, gen-ChangeLog, RELEASE_NAME, release,
sign-release): New (copied from top-level Makefile.am).
* lang/cpp/build-aux/compile, lang/cpp/build-aux/config.guess,
lang/cpp/build-aux/config.sub, lang/cpp/build-aux/depcomp,
lang/cpp/build-aux/install-sh, lang/cpp/build-aux/libtool-patch.sed,
lang/cpp/build-aux/ltmain.sh, lang/cpp/build-aux/missing: New.
* m4/ax_cxx_compile_stdcxx.m4: Move to...
* lang/cpp/m4/ax_cxx_compile_stdcxx.m4: ...here.
* m4/ax_gcc_func_attribute.m4: Move to...
* lang/cpp/m4/ax_gcc_func_attribute.m4: ...here.
* lang/cpp/m4/gpg-error.m4, lang/cpp/m4/gpgme.m4,
lang/cpp/m4/libtool.m4, lang/cpp/m4/ltoptions.m4,
lang/cpp/m4/ltsugar.m4, lang/cpp/m4/ltversion.m4,
lang/cpp/m4/lt~obsolete.m4: New.
* lang/cpp/src/GpgmeppConfig-w32.cmake.in.in,
lang/cpp/src/GpgmeppConfig.cmake.in.in: Remove @LIBASSUAN_LIBS@ from
INTERFACE_LINK_LIBRARIES of Gpgmepp target.
* lang/cpp/src/Makefile.am (AM_CPPFLAGS): Replace include paths of
gpgme relative to top_builddir with @GPGME_CFLAGS@. Remove
@LIBASSUAN_CFLAGS@.
(libgpgmepp_la_LIBADD): Replace relative paths of libgpgme.la with
@GPGME_LIBS@. Remove @LIBASSUAN_LIBS@.
* lang/cpp/tests/Makefile.am (LDADD): Replace relative paths of
libgpgme.la with @GPGME_LIBS@.
(AM_CPPFLAGS): Replace include paths of gpgme relative to top_builddir
with @GPGME_CFLAGS@. Remove @LIBASSUAN_CFLAGS@. Remove -DTOP_SRCDIR.
--

This makes building and distributing GpgME++ independent of the sources
of gpgme. Many of the new files are copied from gpgme to make GpgME++ a
self-contained package. A later commit re-adds the possibility to build
GpgME++ as nested package together with gpgme.

GnuPG-bug-id: 7110

1 files changed, 215 insertions, 0 deletions

diff --git a/lang/cpp/build-aux/missing b/lang/cpp/build-aux/missing
new file mode 100755
index 00000000..43e37bd5
--- /dev/null
+++ b/lang/cpp/build-aux/missing
@@ -0,0 +1,215 @@
+#! /bin/sh
+# Common wrapper for a few potentially missing GNU programs.
+
+scriptversion=2013-10-28.13; # UTC
+
+# Copyright (C) 1996-2013 Free Software Foundation, Inc.
+# Originally written by Fran,cois Pinard <[email protected]>, 1996.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+if test $# -eq 0; then
+  echo 1>&2 "Try '$0 --help' for more information"
+  exit 1
+fi
+
+case $1 in
+
+  --is-lightweight)
+    # Used by our autoconf macros to check whether the available missing
+    # script is modern enough.
+    exit 0
+    ;;
+
+  --run)
+    # Back-compat with the calling convention used by older automake.
+    shift
+    ;;
+
+  -h|--h|--he|--hel|--help)
+    echo "\
+$0 [OPTION]... PROGRAM [ARGUMENT]...
+
+Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due
+to PROGRAM being missing or too old.
+
+Options:
+  -h, --help      display this help and exit
+  -v, --version   output version information and exit
+
+Supported PROGRAM values:
+  aclocal   autoconf  autoheader   autom4te  automake  makeinfo
+  bison     yacc      flex         lex       help2man
+
+Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and
+'g' are ignored when checking the name.
+
+Send bug reports to <[email protected]>."
+    exit $?
+    ;;
+
+  -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
+    echo "missing $scriptversion (GNU Automake)"
+    exit $?
+    ;;
+
+  -*)
+    echo 1>&2 "$0: unknown '$1' option"
+    echo 1>&2 "Try '$0 --help' for more information"
+    exit 1
+    ;;
+
+esac
+
+# Run the given program, remember its exit status.
+"$@"; st=$?
+
+# If it succeeded, we are done.
+test $st -eq 0 && exit 0
+
+# Also exit now if we it failed (or wasn't found), and '--version' was
+# passed; such an option is passed most likely to detect whether the
+# program is present and works.
+case $2 in --version|--help) exit $st;; esac
+
+# Exit code 63 means version mismatch.  This often happens when the user
+# tries to use an ancient version of a tool on a file that requires a
+# minimum version.
+if test $st -eq 63; then
+  msg="probably too old"
+elif test $st -eq 127; then
+  # Program was missing.
+  msg="missing on your system"
+else
+  # Program was found and executed, but failed.  Give up.
+  exit $st
+fi
+
+perl_URL=http://www.perl.org/
+flex_URL=http://flex.sourceforge.net/
+gnu_software_URL=https://www.gnu.org/software
+
+program_details ()
+{
+  case $1 in
+    aclocal|automake)
+      echo "The '$1' program is part of the GNU Automake package:"
+      echo "<$gnu_software_URL/automake>"
+      echo "It also requires GNU Autoconf, GNU m4 and Perl in order to run:"
+      echo "<$gnu_software_URL/autoconf>"
+      echo "<$gnu_software_URL/m4/>"
+      echo "<$perl_URL>"
+      ;;
+    autoconf|autom4te|autoheader)
+      echo "The '$1' program is part of the GNU Autoconf package:"
+      echo "<$gnu_software_URL/autoconf/>"
+      echo "It also requires GNU m4 and Perl in order to run:"
+      echo "<$gnu_software_URL/m4/>"
+      echo "<$perl_URL>"
+      ;;
+  esac
+}
+
+give_advice ()
+{
+  # Normalize program name to check for.
+  normalized_program=`echo "$1" | sed '
+    s/^gnu-//; t
+    s/^gnu//; t
+    s/^g//; t'`
+
+  printf '%s\n' "'$1' is $msg."
+
+  configure_deps="'configure.ac' or m4 files included by 'configure.ac'"
+  case $normalized_program in
+    autoconf*)
+      echo "You should only need it if you modified 'configure.ac',"
+      echo "or m4 files included by it."
+      program_details 'autoconf'
+      ;;
+    autoheader*)
+      echo "You should only need it if you modified 'acconfig.h' or"
+      echo "$configure_deps."
+      program_details 'autoheader'
+      ;;
+    automake*)
+      echo "You should only need it if you modified 'Makefile.am' or"
+      echo "$configure_deps."
+      program_details 'automake'
+      ;;
+    aclocal*)
+      echo "You should only need it if you modified 'acinclude.m4' or"
+      echo "$configure_deps."
+      program_details 'aclocal'
+      ;;
+   autom4te*)
+      echo "You might have modified some maintainer files that require"
+      echo "the 'autom4te' program to be rebuilt."
+      program_details 'autom4te'
+      ;;
+    bison*|yacc*)
+      echo "You should only need it if you modified a '.y' file."
+      echo "You may want to install the GNU Bison package:"
+      echo "<$gnu_software_URL/bison/>"
+      ;;
+    lex*|flex*)
+      echo "You should only need it if you modified a '.l' file."
+      echo "You may want to install the Fast Lexical Analyzer package:"
+      echo "<$flex_URL>"
+      ;;
+    help2man*)
+      echo "You should only need it if you modified a dependency" \
+           "of a man page."
+      echo "You may want to install the GNU Help2man package:"
+      echo "<$gnu_software_URL/help2man/>"
+    ;;
+    makeinfo*)
+      echo "You should only need it if you modified a '.texi' file, or"
+      echo "any other file indirectly affecting the aspect of the manual."
+      echo "You might want to install the Texinfo package:"
+      echo "<$gnu_software_URL/texinfo/>"
+      echo "The spurious makeinfo call might also be the consequence of"
+      echo "using a buggy 'make' (AIX, DU, IRIX), in which case you might"
+      echo "want to install GNU make:"
+      echo "<$gnu_software_URL/make/>"
+      ;;
+    *)
+      echo "You might have modified some files without having the proper"
+      echo "tools for further handling them.  Check the 'README' file, it"
+      echo "often tells you about the needed prerequisites for installing"
+      echo "this package.  You may also peek at any GNU archive site, in"
+      echo "case some other package contains this missing '$1' program."
+      ;;
+  esac
+}
+
+give_advice "$1" | sed -e '1s/^/WARNING: /' \
+                       -e '2,$s/^/         /' >&2
+
+# Propagate the correct exit status (expected to be 127 for a program
+# not found, 63 for a program that failed due to version mismatch).
+exit $st
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC"
+# time-stamp-end: "; # UTC"
+# End: