7 files changed, 149 insertions, 0 deletions
diff --git a/external/zlib/Makefile b/external/zlib/Makefile
new file mode 100644
index 000000000..569ad8a0b
--- /dev/null
+++ b/external/zlib/Makefile
@@ -0,0 +1,14 @@
+# -*- 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/.
+#
+
+module_directory:=$(dir $(realpath $(firstword $(MAKEFILE_LIST))))
+
+include $(module_directory)/../../solenv/gbuild/partial_build.mk
+
+# vim: set noet sw=4 ts=4:
diff --git a/external/zlib/Module_zlib.mk b/external/zlib/Module_zlib.mk
new file mode 100644
index 000000000..468cb2dea
--- /dev/null
+++ b/external/zlib/Module_zlib.mk
@@ -0,0 +1,23 @@
+# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*-
+#
+# This file is part of the LibreOffice project.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+
+$(eval $(call gb_Module_Module,zlib))
+
+$(eval $(call gb_Module_add_targets,zlib,\
+	StaticLibrary_zlib \
+	UnpackedTarball_zlib \
+))
+
+ifeq ($(BUILD_X64),TRUE)
+$(eval $(call gb_Module_add_targets,zlib,\
+	StaticLibrary_zlib_x64 \
+))
+endif
+
+# vim: set noet sw=4 ts=4:
diff --git a/external/zlib/README b/external/zlib/README
new file mode 100644
index 000000000..401875737
--- /dev/null
+++ b/external/zlib/README
@@ -0,0 +1 @@
+Compression library from [http://www.zlib.net/].
diff --git a/external/zlib/StaticLibrary_zlib.mk b/external/zlib/StaticLibrary_zlib.mk
new file mode 100644
index 000000000..f5263bef7
--- /dev/null
+++ b/external/zlib/StaticLibrary_zlib.mk
@@ -0,0 +1,36 @@
+# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*-
+#
+# This file is part of the LibreOffice project.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+
+$(eval $(call gb_StaticLibrary_StaticLibrary,zlib))
+
+$(eval $(call gb_StaticLibrary_use_unpacked,zlib,zlib))
+
+$(eval $(call gb_StaticLibrary_set_warnings_disabled,zlib))
+
+$(eval $(call gb_StaticLibrary_add_generated_cobjects,zlib,\
+	UnpackedTarball/zlib/adler32 \
+	UnpackedTarball/zlib/compress \
+	UnpackedTarball/zlib/crc32 \
+	UnpackedTarball/zlib/deflate \
+	UnpackedTarball/zlib/gzclose \
+	UnpackedTarball/zlib/gzlib \
+	UnpackedTarball/zlib/gzread \
+	UnpackedTarball/zlib/gzwrite \
+	UnpackedTarball/zlib/inffast \
+	UnpackedTarball/zlib/inflate \
+	UnpackedTarball/zlib/inftrees \
+	UnpackedTarball/zlib/trees \
+	UnpackedTarball/zlib/zutil \
+))
+
+ifeq ($(ENABLE_DEBUG),TRUE)
+$(eval $(call gb_StaticLibrary_add_cflags,zlib,-DZLIB_DEBUG))
+endif
+
+# vim: set noet sw=4 ts=4:
diff --git a/external/zlib/StaticLibrary_zlib_x64.mk b/external/zlib/StaticLibrary_zlib_x64.mk
new file mode 100644
index 000000000..a51f326d1
--- /dev/null
+++ b/external/zlib/StaticLibrary_zlib_x64.mk
@@ -0,0 +1,39 @@
+# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*-
+#
+# This file is part of the LibreOffice project.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+
+$(eval $(call gb_StaticLibrary_StaticLibrary,zlib_x64))
+
+$(eval $(call gb_StaticLibrary_set_x64,zlib_x64,YES))
+
+$(eval $(call gb_StaticLibrary_use_unpacked,zlib_x64,zlib))
+
+$(eval $(call gb_StaticLibrary_set_warnings_disabled,zlib_x64))
+
+$(eval $(call gb_StaticLibrary_set_include,zlib_x64,\
+	-I$(call gb_UnpackedTarball_get_dir,zlib) \
+	$$(INCLUDE) \
+))
+
+$(eval $(call gb_StaticLibrary_add_x64_generated_cobjects,zlib_x64,\
+	UnpackedTarball/zlib/x64/adler32 \
+	UnpackedTarball/zlib/x64/compress \
+	UnpackedTarball/zlib/x64/crc32 \
+	UnpackedTarball/zlib/x64/deflate \
+	UnpackedTarball/zlib/x64/inffast \
+	UnpackedTarball/zlib/x64/inflate \
+	UnpackedTarball/zlib/x64/inftrees \
+	UnpackedTarball/zlib/x64/trees \
+	UnpackedTarball/zlib/x64/zutil \
+))
+
+ifeq ($(ENABLE_DEBUG),TRUE)
+$(eval $(call gb_StaticLibrary_add_cflags,zlib_x64,-DZLIB_DEBUG))
+endif
+
+# vim: set noet sw=4 ts=4:
diff --git a/external/zlib/UnpackedTarball_zlib.mk b/external/zlib/UnpackedTarball_zlib.mk
new file mode 100644
index 000000000..e74039d25
--- /dev/null
+++ b/external/zlib/UnpackedTarball_zlib.mk
@@ -0,0 +1,25 @@
+# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*-
+#
+# This file is part of the LibreOffice project.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+
+$(eval $(call gb_UnpackedTarball_UnpackedTarball,zlib))
+
+$(eval $(call gb_UnpackedTarball_set_tarball,zlib,$(ZLIB_TARBALL)))
+
+$(eval $(call gb_UnpackedTarball_set_post_action,zlib,\
+	mkdir -p x64 && \
+	cp $(addsuffix .c,adler32 compress crc32 deflate inffast inflate inftrees trees zutil) x64 \
+))
+
+$(eval $(call gb_UnpackedTarball_set_patchlevel,zlib,0))
+
+$(eval $(call gb_UnpackedTarball_add_patches,zlib, \
+    external/zlib/ubsan.patch \
+))
+
+# vim: set noet sw=4 ts=4:
diff --git a/external/zlib/ubsan.patch b/external/zlib/ubsan.patch
new file mode 100644
index 000000000..2d7ff8d67
--- /dev/null
+++ b/external/zlib/ubsan.patch
@@ -0,0 +1,11 @@
+--- trees.c
++++ trees.c
+@@ -870,7 +870,7 @@
+     bi_windup(s);        /* align on byte boundary */
+     put_short(s, (ush)stored_len);
+     put_short(s, (ush)~stored_len);
+-    zmemcpy(s->pending_buf + s->pending, (Bytef *)buf, stored_len);
++    if (stored_len != 0) zmemcpy(s->pending_buf + s->pending, (Bytef *)buf, stored_len);
+     s->pending += stored_len;
+ #ifdef ZLIB_DEBUG
+     s->compressed_len = (s->compressed_len + 3 + 7) & (ulg)~7L;