fdo#70393: move libpng to a subdir of external

Change-Id: Ia52da28fc6a979c4712fc191ab5e71c1926b0c93
Reviewed-on: https://gerrit.libreoffice.org/6231
Reviewed-by: Björn Michaelsen <bjoern.michaelsen@canonical.com>
Tested-by: Björn Michaelsen <bjoern.michaelsen@canonical.com>

6 files changed, 264 insertions, 0 deletions

diff --git a/external/libpng/Makefile b/external/libpng/Makefile
new file mode 100644
index 000000000000..ccb1c85a04da
--- /dev/null
+++ b/external/libpng/Makefile
@@ -0,0 +1,7 @@
+# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*-
+
+module_directory:=$(dir $(realpath $(firstword $(MAKEFILE_LIST))))
+
+include $(module_directory)/../solenv/gbuild/partial_build.mk
+
+# vim: set noet sw=4 ts=4:
diff --git a/external/libpng/Module_libpng.mk b/external/libpng/Module_libpng.mk
new file mode 100644
index 000000000000..d61375d18d05
--- /dev/null
+++ b/external/libpng/Module_libpng.mk
@@ -0,0 +1,21 @@
+# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*-
+#
+# This file is part of the LibreOffice project.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+
+$(eval $(call gb_Module_Module,libpng))
+
+ifeq ($(SYSTEM_LIBPNG),NO)
+
+$(eval $(call gb_Module_add_targets,libpng,\
+	StaticLibrary_png \
+	UnpackedTarball_png \
+))
+
+endif
+
+# vim: set noet sw=4 ts=4:
diff --git a/external/libpng/README b/external/libpng/README
new file mode 100644
index 000000000000..8b9c8961179f
--- /dev/null
+++ b/external/libpng/README
@@ -0,0 +1 @@
+libpng is the official PNG reference library, from [http://www.libpng.org/]
diff --git a/external/libpng/StaticLibrary_png.mk b/external/libpng/StaticLibrary_png.mk
new file mode 100644
index 000000000000..8759cafc0fa0
--- /dev/null
+++ b/external/libpng/StaticLibrary_png.mk
@@ -0,0 +1,39 @@
+# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*-
+#
+# This file is part of the LibreOffice project.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+
+$(eval $(call gb_StaticLibrary_StaticLibrary,png))
+
+$(eval $(call gb_StaticLibrary_set_warnings_not_errors,png))
+
+$(eval $(call gb_StaticLibrary_use_unpacked,png,png))
+
+$(eval $(call gb_StaticLibrary_use_externals,png,\
+	zlib \
+))
+
+$(eval $(call gb_StaticLibrary_add_generated_cobjects,png,\
+	UnpackedTarball/png/png \
+	UnpackedTarball/png/pngerror \
+	UnpackedTarball/png/pngget \
+	UnpackedTarball/png/pngmem \
+	UnpackedTarball/png/pngpread \
+	UnpackedTarball/png/pngread \
+	UnpackedTarball/png/pngrio \
+	UnpackedTarball/png/pngrtran \
+	UnpackedTarball/png/pngrutil \
+	UnpackedTarball/png/pngset \
+	UnpackedTarball/png/pngtest \
+	UnpackedTarball/png/pngtrans \
+	UnpackedTarball/png/pngwio \
+	UnpackedTarball/png/pngwrite \
+	UnpackedTarball/png/pngwtran \
+	UnpackedTarball/png/pngwutil \
+))
+
+# vim: set noet sw=4 ts=4:
diff --git a/external/libpng/UnpackedTarball_png.mk b/external/libpng/UnpackedTarball_png.mk
new file mode 100644
index 000000000000..ed8aa59c8493
--- /dev/null
+++ b/external/libpng/UnpackedTarball_png.mk
@@ -0,0 +1,18 @@
+# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*-
+#
+# This file is part of the LibreOffice project.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+
+$(eval $(call gb_UnpackedTarball_UnpackedTarball,png))
+
+$(eval $(call gb_UnpackedTarball_set_tarball,png,$(PNG_TARBALL)))
+
+$(eval $(call gb_UnpackedTarball_add_files,png,.,\
+	external/libpng/configs/pnglibconf.h \
+))
+
+# vim: set noet sw=4 ts=4:
diff --git a/external/libpng/configs/pnglibconf.h b/external/libpng/configs/pnglibconf.h
new file mode 100644
index 000000000000..650098e10c4a
--- /dev/null
+++ b/external/libpng/configs/pnglibconf.h
@@ -0,0 +1,178 @@
+/* libpng STANDARD API DEFINITION */
+
+/* pnglibconf.h - library build configuration */
+
+/* libpng version 1.5.0 - last changed on January 6, 2011 */
+
+/* Copyright (c) 1998-2011 Glenn Randers-Pehrson */
+
+/* This code is released under the libpng license. */
+/* For conditions of distribution and use, see the disclaimer */
+/* and license in png.h */
+
+/* pnglibconf.h */
+/* Machine generated file: DO NOT EDIT */
+/* Derived from: scripts/pnglibconf.dfa */
+#ifndef PNGLCONF_H
+#define PNGLCONF_H
+/* settings */
+#define PNG_MAX_GAMMA_8 11
+#define PNG_CALLOC_SUPPORTED
+#define PNG_QUANTIZE_RED_BITS 5
+#define PNG_USER_WIDTH_MAX 1000000L
+#define PNG_QUANTIZE_GREEN_BITS 5
+#define PNG_API_RULE 0
+#define PNG_QUANTIZE_BLUE_BITS 5
+#define PNG_USER_CHUNK_CACHE_MAX 0
+#define PNG_USER_HEIGHT_MAX 1000000L
+#define PNG_sCAL_PRECISION 5
+#define PNG_COST_SHIFT 3
+#define PNG_WEIGHT_SHIFT 8
+#define PNG_USER_CHUNK_MALLOC_MAX 0
+#define PNG_DEFAULT_READ_MACROS 1
+#define PNG_ZBUF_SIZE 8192
+#define PNG_GAMMA_THRESHOLD_FIXED 5000
+/* end of settings */
+/* options */
+#define PNG_INFO_IMAGE_SUPPORTED
+#define PNG_HANDLE_AS_UNKNOWN_SUPPORTED
+#define PNG_POINTER_INDEXING_SUPPORTED
+#define PNG_WARNINGS_SUPPORTED
+#define PNG_FLOATING_ARITHMETIC_SUPPORTED
+#define PNG_WRITE_SUPPORTED
+#define PNG_WRITE_INTERLACING_SUPPORTED
+#define PNG_WRITE_16BIT_SUPPORTED
+#define PNG_EASY_ACCESS_SUPPORTED
+#define PNG_ALIGN_MEMORY_SUPPORTED
+#define PNG_WRITE_WEIGHTED_FILTER_SUPPORTED
+#define PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED
+#define PNG_USER_LIMITS_SUPPORTED
+#define PNG_FIXED_POINT_SUPPORTED
+/*#undef PNG_ERROR_NUMBERS_SUPPORTED*/
+#define PNG_ERROR_TEXT_SUPPORTED
+#define PNG_READ_SUPPORTED
+/*#undef PNG_READ_16_TO_8_ACCURATE_SCALE_SUPPORTED*/
+#define PNG_BENIGN_ERRORS_SUPPORTED
+#define PNG_SETJMP_SUPPORTED
+#define PNG_WRITE_FLUSH_SUPPORTED
+#define PNG_MNG_FEATURES_SUPPORTED
+#define PNG_FLOATING_POINT_SUPPORTED
+#define PNG_INCH_CONVERSIONS_SUPPORTED
+#define PNG_STDIO_SUPPORTED
+#define PNG_READ_UNKNOWN_CHUNKS_SUPPORTED
+#define PNG_USER_MEM_SUPPORTED
+#define PNG_IO_STATE_SUPPORTED
+#define PNG_SET_USER_LIMITS_SUPPORTED
+#define PNG_READ_ANCILLARY_CHUNKS_SUPPORTED
+#define PNG_WRITE_INT_FUNCTIONS_SUPPORTED
+#define PNG_WRITE_ANCILLARY_CHUNKS_SUPPORTED
+#define PNG_WRITE_FILTER_SUPPORTED
+#define PNG_SET_CHUNK_CACHE_LIMIT_SUPPORTED
+#define PNG_WRITE_iCCP_SUPPORTED
+#define PNG_READ_TRANSFORMS_SUPPORTED
+#define PNG_READ_GAMMA_SUPPORTED
+#define PNG_READ_bKGD_SUPPORTED
+#define PNG_UNKNOWN_CHUNKS_SUPPORTED
+#define PNG_READ_sCAL_SUPPORTED
+#define PNG_WRITE_hIST_SUPPORTED
+#define PNG_READ_OPT_PLTE_SUPPORTED
+#define PNG_SET_CHUNK_MALLOC_LIMIT_SUPPORTED
+#define PNG_WRITE_gAMA_SUPPORTED
+#define PNG_READ_GRAY_TO_RGB_SUPPORTED
+#define PNG_WRITE_pCAL_SUPPORTED
+#define PNG_READ_INVERT_ALPHA_SUPPORTED
+#define PNG_WRITE_TRANSFORMS_SUPPORTED
+#define PNG_READ_sBIT_SUPPORTED
+#define PNG_READ_PACK_SUPPORTED
+#define PNG_WRITE_SWAP_SUPPORTED
+#define PNG_READ_cHRM_SUPPORTED
+#define PNG_WRITE_tIME_SUPPORTED
+#define PNG_READ_INTERLACING_SUPPORTED
+#define PNG_READ_tRNS_SUPPORTED
+#define PNG_WRITE_pHYs_SUPPORTED
+#define PNG_WRITE_INVERT_SUPPORTED
+#define PNG_READ_RGB_TO_GRAY_SUPPORTED
+#define PNG_WRITE_sRGB_SUPPORTED
+#define PNG_READ_oFFs_SUPPORTED
+#define PNG_WRITE_FILLER_SUPPORTED
+#define PNG_WRITE_TEXT_SUPPORTED
+#define PNG_WRITE_SHIFT_SUPPORTED
+#define PNG_PROGRESSIVE_READ_SUPPORTED
+#define PNG_READ_SHIFT_SUPPORTED
+#define PNG_CONVERT_tIME_SUPPORTED
+#define PNG_READ_USER_TRANSFORM_SUPPORTED
+#define PNG_READ_INT_FUNCTIONS_SUPPORTED
+#define PNG_READ_USER_CHUNKS_SUPPORTED
+#define PNG_READ_hIST_SUPPORTED
+#define PNG_READ_16BIT_SUPPORTED
+#define PNG_READ_SWAP_ALPHA_SUPPORTED
+#define PNG_READ_COMPOSITE_NODIV_SUPPORTED
+#define PNG_SEQUENTIAL_READ_SUPPORTED
+#define PNG_READ_BACKGROUND_SUPPORTED
+#define PNG_READ_QUANTIZE_SUPPORTED
+#define PNG_READ_iCCP_SUPPORTED
+#define PNG_READ_STRIP_ALPHA_SUPPORTED
+#define PNG_READ_PACKSWAP_SUPPORTED
+#define PNG_READ_sRGB_SUPPORTED
+#define PNG_WRITE_tEXt_SUPPORTED
+#define PNG_READ_gAMA_SUPPORTED
+#define PNG_READ_pCAL_SUPPORTED
+#define PNG_READ_EXPAND_SUPPORTED
+#define PNG_WRITE_sPLT_SUPPORTED
+#define PNG_READ_SWAP_SUPPORTED
+#define PNG_READ_tIME_SUPPORTED
+#define PNG_READ_pHYs_SUPPORTED
+#define PNG_WRITE_SWAP_ALPHA_SUPPORTED
+#define PNG_TIME_RFC1123_SUPPORTED
+#define PNG_READ_TEXT_SUPPORTED
+#define PNG_WRITE_BGR_SUPPORTED
+#define PNG_USER_CHUNKS_SUPPORTED
+#define PNG_CONSOLE_IO_SUPPORTED
+#define PNG_WRITE_PACK_SUPPORTED
+#define PNG_READ_FILLER_SUPPORTED
+#define PNG_WRITE_bKGD_SUPPORTED
+#define PNG_WRITE_tRNS_SUPPORTED
+#define PNG_READ_sPLT_SUPPORTED
+#define PNG_WRITE_sCAL_SUPPORTED
+#define PNG_WRITE_oFFs_SUPPORTED
+#define PNG_READ_tEXt_SUPPORTED
+#define PNG_WRITE_sBIT_SUPPORTED
+#define PNG_READ_INVERT_SUPPORTED
+#define PNG_READ_16_TO_8_SUPPORTED
+#define PNG_WRITE_cHRM_SUPPORTED
+#define PNG_16BIT_SUPPORTED
+#define PNG_WRITE_USER_TRANSFORM_SUPPORTED
+#define PNG_READ_BGR_SUPPORTED
+#define PNG_WRITE_PACKSWAP_SUPPORTED
+#define PNG_WRITE_INVERT_ALPHA_SUPPORTED
+#define PNG_sCAL_SUPPORTED
+#define PNG_WRITE_zTXt_SUPPORTED
+#define PNG_sBIT_SUPPORTED
+#define PNG_cHRM_SUPPORTED
+#define PNG_bKGD_SUPPORTED
+#define PNG_tRNS_SUPPORTED
+#define PNG_WRITE_iTXt_SUPPORTED
+#define PNG_oFFs_SUPPORTED
+#define PNG_USER_TRANSFORM_PTR_SUPPORTED
+#define PNG_USER_TRANSFORM_INFO_SUPPORTED
+#define PNG_hIST_SUPPORTED
+#define PNG_iCCP_SUPPORTED
+#define PNG_sRGB_SUPPORTED
+#define PNG_READ_zTXt_SUPPORTED
+#define PNG_gAMA_SUPPORTED
+#define PNG_pCAL_SUPPORTED
+#define PNG_CHECK_cHRM_SUPPORTED
+#define PNG_tIME_SUPPORTED
+#define PNG_pHYs_SUPPORTED
+#define PNG_READ_iTXt_SUPPORTED
+#define PNG_TEXT_SUPPORTED
+#define PNG_SAVE_INT_32_SUPPORTED
+#define PNG_sPLT_SUPPORTED
+#define PNG_tEXt_SUPPORTED
+#define PNG_zTXt_SUPPORTED
+#define PNG_iTXt_SUPPORTED
+#define PNG_WRITE_COMPRESSED_TEXT_SUPPORTED
+#define PNG_READ_COMPRESSED_TEXT_SUPPORTED
+#define PNG_READ_STRIP_16_TO_8_SUPPORTED
+/* end of options */
+#endif /* PNGLCONF_H */