gpg4libre: Build internal libgpg-error, libassuan and gpgme(pp)

Change-Id: I1953e7062b872340b844771adc8ebe40f524cc76
Reviewed-on: https://gerrit.libreoffice.org/34227
Tested-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>
Reviewed-by: Siegmund Gorr <siegmund.gorr@cib.de>
Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>

4 files changed, 94 insertions, 0 deletions

diff --git a/external/gpgme/ExternalProject_gpgme.mk b/external/gpgme/ExternalProject_gpgme.mk
new file mode 100644
index 000000000000..e5ad64285a87
--- /dev/null
+++ b/external/gpgme/ExternalProject_gpgme.mk
@@ -0,0 +1,29 @@
+# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*-
+#
+# This file is part of the LibreOffice project.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+
+$(eval $(call gb_ExternalProject_ExternalProject,gpgme))
+
+$(eval $(call gb_ExternalProject_register_targets,gpgme,\
+	build \
+))
+
+$(eval $(call gb_ExternalProject_use_autoconf,gpgme,build))
+
+$(call gb_ExternalProject_get_state_target,gpgme,build):
+	$(call gb_ExternalProject_run,build,\
+		autoreconf \
+		&& ./configure \
+		   GPG_ERROR_CFLAGS="$(GPG_ERROR_CFLAGS)" \
+		   GPG_ERROR_LIBS="$(GPG_ERROR_LIBS)" \
+		   LIBASSUAN_CFLAGS="$(LIBASSUAN_CFLAGS)" \
+		   LIBASSUAN_LIBS="$(LIBASSUAN_LIBS)" \
+	  && $(MAKE) \
+	)
+
+# vim: set noet sw=4 ts=4:
diff --git a/external/gpgme/Module_gpgme.mk b/external/gpgme/Module_gpgme.mk
index b0b9def23cd2..8c318a2f6e69 100644
--- a/external/gpgme/Module_gpgme.mk
+++ b/external/gpgme/Module_gpgme.mk
@@ -10,6 +10,7 @@
 $(eval $(call gb_Module_Module,gpgme))
 
 $(eval $(call gb_Module_add_targets,gpgme,\
+	ExternalProject_gpgme \
 	UnpackedTarball_gpgme \
 ))
 
diff --git a/external/gpgme/UnpackedTarball_gpgme.mk b/external/gpgme/UnpackedTarball_gpgme.mk
index 22c52cdb85a6..a6b79c4f836b 100644
--- a/external/gpgme/UnpackedTarball_gpgme.mk
+++ b/external/gpgme/UnpackedTarball_gpgme.mk
@@ -11,4 +11,9 @@ $(eval $(call gb_UnpackedTarball_UnpackedTarball,gpgme))
 
 $(eval $(call gb_UnpackedTarball_set_tarball,gpgme,$(GPGME_TARBALL)))
 
+$(eval $(call gb_UnpackedTarball_set_patchlevel,gpgme,0))
+
+$(eval $(call gb_UnpackedTarball_add_patches,gpgme, \
+    external/gpgme/find-libgpg-error-libassuan.patch \
+))
 # vim: set noet sw=4 ts=4:
diff --git a/external/gpgme/find-libgpg-error-libassuan.patch b/external/gpgme/find-libgpg-error-libassuan.patch
new file mode 100644
index 000000000000..2ddd4d2f2e62
--- /dev/null
+++ b/external/gpgme/find-libgpg-error-libassuan.patch
@@ -0,0 +1,59 @@
+diff --git a/configure.ac b/configure.ac
+index f28480b..92a3e85 100644
+--- configure.ac
++++ configure.ac
+@@ -674,15 +674,34 @@ AC_CHECK_FUNCS(setlocale)
+ 
+ # Checking for libgpg-error.
+ have_gpg_error=no
+-AM_PATH_GPG_ERROR("$NEED_GPG_ERROR_VERSION",
+-                  have_gpg_error=yes, have_gpg_error=no)
++if test "x${GPG_ERROR_CFLAGS}" = x; then
++  AM_PATH_GPG_ERROR("$NEED_GPG_ERROR_VERSION",
++                have_gpg_error=yes, have_gpg_error=no)
++else
++  have_gpg_error=yes
++  GPG_ERROR_CFLAGS="$GPG_ERROR_CFLAGS"
++  GPG_ERROR_LIBS="$GPG_ERROR_LIBS"
++  AC_SUBST(GPG_ERROR_CFLAGS)
++  AC_SUBST(GPG_ERROR_LIBS)
++
++fi
++
+ AC_DEFINE(GPG_ERR_SOURCE_DEFAULT, GPG_ERR_SOURCE_GPGME,
+           [The default error source for GPGME.])
+ 
+ # And for libassuan.
+ have_libassuan=no
+-AM_PATH_LIBASSUAN("$NEED_LIBASSUAN_API:$NEED_LIBASSUAN_VERSION",
++if test "x${LIBASSUAN_CFLAGS}" = x; then
++  AM_PATH_LIBASSUAN("$NEED_LIBASSUAN_API:$NEED_LIBASSUAN_VERSION",
+                   have_libassuan=yes, have_libassuan=no)
++else
++  have_libassuan=yes
++  LIBASSUAN_CFLAGS="$LIBASSUAN_CFLAGS"
++  LIBASSUAN_LIBS="$LIBASSUAN_LIBS"
++  AC_SUBST(LIBASSUAN_CFLAGS)
++  AC_SUBST(LIBASSUAN_LIBS)
++fi
++
+ if test "$have_libassuan" = "yes"; then
+   AC_DEFINE_UNQUOTED(GPGME_LIBASSUAN_VERSION, "$libassuan_version",
+                      [version of the libassuan library])
+diff --git a/src/Makefile.am b/src/Makefile.am
+index ce6f1d4..6b1d835 100644
+--- src/Makefile.am
++++ src/Makefile.am
+@@ -97,10 +97,10 @@ endif
+ 
+ # We use a global CFLAGS setting for all library
+ # versions, because then every object file is only compiled once.
+-AM_CFLAGS = @LIBASSUAN_CFLAGS@ @GLIB_CFLAGS@
++AM_CFLAGS = @LIBASSUAN_CFLAGS@ @GPG_ERROR_CFLAGS@ @GLIB_CFLAGS@
+ 
+ gpgme_tool_SOURCES = gpgme-tool.c argparse.c argparse.h
+-gpgme_tool_LDADD = libgpgme.la @LIBASSUAN_LIBS@
++gpgme_tool_LDADD = libgpgme.la @LIBASSUAN_LIBS@ @GPG_ERROR_LIBS@
+ 
+ 
+ if HAVE_W32_SYSTEM