1 files changed, 74 insertions, 0 deletions
diff --git a/build-deps.sh b/build-deps.sh
new file mode 100755
index 0000000..e7ca7f0
--- /dev/null
+++ b/build-deps.sh
@@ -0,0 +1,74 @@
+#!/bin/sh
+
+ZLIB_VERSION=1.2.8
+LIBPNG_VERSION=1.6.21
+IMAGEMAGICK_VERSION=7.0.8-14
+
+export CHOST=arm-linux-gnueabihf
+export PREFIX=${PWD}/deps
+export PKG_CONFIG_PATH=${PREFIX}/lib/pkgconfig
+export CPPFLAGS=-I${PREFIX}/include
+export LDFLAGS=-L${PREFIX}/lib
+export PNG_COPTS="-I${PREFIX}/include -L${PREFIX}/lib"
+
+set -ex
+
+download() {
+	cd ${PREFIX}/src
+	if ! [ -f $(basename $1) ]; then
+		wget $1
+	fi
+}
+
+version_check() {
+	if [ $(pkg-config --modversion "$1") = "$2" ]; then
+		return 0
+	fi
+	return 1
+}
+
+build() {
+	cd ${PREFIX}/src
+	tar xvzf ${1}*.tar.gz
+	cd ${1}-*
+	shift
+	./configure --prefix=${PREFIX} ${1+$@}
+	make
+	make install
+}
+
+build_imagemagick() {
+	download https://imagemagick.org/download/ImageMagick.tar.gz
+	if ! version_check MagickCore ${1}; then
+		build ImageMagick \
+			--host=${CHOST} \
+			--without-utilities \
+			--disable-shared \
+			--disable-openmp \
+			--disable-docs \
+			--with-pkgconfigdir=${PKG_CONFIG_PATH}
+
+	fi
+}
+
+build_libpng() {
+	download https://downloads.sourceforge.net/project/libpng/libpng16/older-releases/${1}/libpng-${1}.tar.gz
+	if ! version_check libpng ${1}; then
+		build libpng \
+			--host=${CHOST} \
+			--with-pkgconfigdir=${PKG_CONFIG_PATH}
+	fi
+}
+
+build_zlib() {
+	download http://www.zlib.net/fossils/zlib-${ZLIB_VERSION}.tar.gz
+	if ! version_check zlib ${1}; then
+		build zlib
+		rm ${PREFIX}/lib/libz.so
+	fi
+}
+
+mkdir -p ${PREFIX}/src
+build_zlib $ZLIB_VERSION
+build_libpng $LIBPNG_VERSION
+build_imagemagick $IMAGEMAGICK_VERSION