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# This file is part of MXE. See LICENSE.md for licensing information.
PKG := libpng
$(PKG)_WEBSITE := http://www.libpng.org/
$(PKG)_IGNORE :=
$(PKG)_VERSION := 1.6.35
$(PKG)_CHECKSUM := 23912ec8c9584917ed9b09c5023465d71709dce089be503c7867fec68a93bcd7
$(PKG)_SUBDIR := libpng-$($(PKG)_VERSION)
$(PKG)_FILE := libpng-$($(PKG)_VERSION).tar.xz
$(PKG)_URL := https://$(SOURCEFORGE_MIRROR)/project/libpng/libpng16/$($(PKG)_VERSION)/$($(PKG)_FILE)
$(PKG)_URL_2 := https://ftp-osl.osuosl.org/pub/libpng/src/libpng16/$($(PKG)_FILE)
$(PKG)_DEPS := cc zlib
define $(PKG)_UPDATE
$(WGET) -q -O- 'https://sourceforge.net/p/libpng/code/ref/master/tags/' | \
$(SED) -n 's,.*<a[^>]*>v\([0-9][^<]*\)<.*,\1,p' | \
grep -v alpha | \
grep -v beta | \
grep -v rc | \
$(SORT) -V | \
tail -1
endef
define $(PKG)_BUILD
cd '$(1)' && ./configure \
CFLAGS='-fno-asynchronous-unwind-tables' \
$(MXE_CONFIGURE_OPTS)
$(MAKE) -C '$(1)' -j '$(JOBS)' install bin_PROGRAMS= sbin_PROGRAMS= noinst_PROGRAMS=
ln -sf '$(PREFIX)/$(TARGET)/bin/libpng-config' '$(PREFIX)/bin/$(TARGET)-libpng-config'
'$(TARGET)-gcc' \
-W -Wall -Werror -std=c99 -pedantic \
'$(TEST_FILE)' -o '$(PREFIX)/$(TARGET)/bin/test-libpng.exe' \
`'$(PREFIX)/$(TARGET)/bin/libpng-config' --static --cflags --libs`
endef
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