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#############################################################
#
# libpng (Portable Network Graphic library)
#
#############################################################
# Copyright (C) 2001-2003 by Erik Andersen <andersen@codepoet.org>
# Copyright (C) 2002 by Tim Riker <Tim@Rikers.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Library General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, 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
# Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public
# License along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA
LIBPNG_VER:=1.2.12
LIBPNG_DIR:=$(BUILD_DIR)/libpng-$(LIBPNG_VER)
LIBPNG_SITE:=http://$(BR2_SOURCEFORGE_MIRROR).dl.sourceforge.net/sourceforge/libpng
LIBPNG_SOURCE:=libpng-$(LIBPNG_VER).tar.bz2
LIBPNG_CAT:=$(BZCAT)
$(DL_DIR)/$(LIBPNG_SOURCE):
$(WGET) -P $(DL_DIR) $(LIBPNG_SITE)/$(LIBPNG_SOURCE)
libpng-source: $(DL_DIR)/$(LIBPNG_SOURCE)
$(LIBPNG_DIR)/.unpacked: $(DL_DIR)/$(LIBPNG_SOURCE)
$(LIBPNG_CAT) $(DL_DIR)/$(LIBPNG_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
touch $(LIBPNG_DIR)/.unpacked
$(LIBPNG_DIR)/.configured: $(LIBPNG_DIR)/.unpacked
(cd $(LIBPNG_DIR); rm -rf config.cache; \
$(TARGET_CONFIGURE_OPTS) CC_FOR_BUILD="$(HOSTCC)" \
CFLAGS="$(TARGET_CFLAGS)" \
./configure \
ac_cv_func_memcmp_working=yes \
ac_cv_have_decl_malloc=yes \
gl_cv_func_malloc_0_nonnull=yes \
ac_cv_func_malloc_0_nonnull=yes \
ac_cv_func_calloc_0_nonnull=yes \
ac_cv_func_realloc_0_nonnull=yes \
--target=$(GNU_TARGET_NAME) \
--host=$(GNU_TARGET_NAME) \
--build=$(GNU_HOST_NAME) \
--prefix=/usr \
--without-libpng-compat \
);
touch $(LIBPNG_DIR)/.configured
$(LIBPNG_DIR)/.compiled: $(LIBPNG_DIR)/.configured
$(MAKE) -C $(LIBPNG_DIR)
touch $(LIBPNG_DIR)/.compiled
$(STAGING_DIR)/lib/libpng.so: $(LIBPNG_DIR)/.compiled
$(MAKE) \
-C $(LIBPNG_DIR) \
DESTDIR=$(STAGING_DIR) \
prefix=/ \
install
touch -c $(STAGING_DIR)/lib/libpng.so
$(TARGET_DIR)/usr/lib/libpng.so: $(STAGING_DIR)/lib/libpng.so
cp -dpf $(STAGING_DIR)/lib/libpng*.so* $(TARGET_DIR)/usr/lib/
-$(STRIP) --strip-unneeded $(TARGET_DIR)/usr/lib/libpng.so
png libpng: uclibc zlib $(TARGET_DIR)/usr/lib/libpng.so
libpng-clean:
-$(MAKE) -C $(LIBPNG_DIR) clean
libpng-dirclean:
rm -rf $(LIBPNG_DIR)
#############################################################
#
# Toplevel Makefile options
#
#############################################################
ifeq ($(strip $(BR2_PACKAGE_LIBPNG)),y)
TARGETS+=libpng
endif
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