pngquant: add package (#1888)

packages/pngquant/build.sh

@@ -0,0 +1,20 @@
+TERMUX_PKG_HOMEPAGE=https://pngquant.org
+TERMUX_PKG_VERSION=2.11.4
+TERMUX_PKG_SRCURL=https://github.com/pornel/pngquant/archive/$TERMUX_PKG_VERSION.tar.gz
+TERMUX_PKG_SHA256=c45816daccf63e0910fdd31033f489fd153603082eea5ce7f28f62c000384446
+TERMUX_PKG_DEPENDS="libpng"
+TERMUX_PKG_MAINTAINER="Vishal Biswas @vishalbiswas"
+TERMUX_PKG_BUILD_IN_SRC=true
+TERMUX_PKG_EXTRA_CONFIGURE_ARGS="--disable-sse"
+
+termux_step_post_extract_package () {
+	local LIBIMAGEQUANT_SRC_FOLDER=libimagequant-$TERMUX_PKG_VERSION
+	termux_download \
+		https://github.com/ImageOptim/libimagequant/archive/$TERMUX_PKG_VERSION.tar.gz \
+		$TERMUX_PKG_CACHEDIR/$LIBIMAGEQUANT_SRC_FOLDER.tar.gz \
+		a6b7552cc6161c8092638e9d5c889b4344264ca5d0d12211fafdcb03b93bc943
+
+	tar -xf $TERMUX_PKG_CACHEDIR/$LIBIMAGEQUANT_SRC_FOLDER.tar.gz -C $TERMUX_PKG_SRCDIR
+	rmdir $TERMUX_PKG_SRCDIR/lib
+	mv $TERMUX_PKG_SRCDIR/$LIBIMAGEQUANT_SRC_FOLDER $TERMUX_PKG_SRCDIR/lib
+}

packages/pngquant/configure.patch

@@ -0,0 +1,15 @@
+--- ./configure	2017-11-27 20:45:47.000000000 +0530
++++ ../configure	2017-12-02 10:42:46.176674068 +0530
+@@ -358,12 +358,6 @@
+     DIRS+=("$LIQSRCDIR" "$LIQSRCDIR") # local libimagequant
+ fi
+ 
+-DIRS+=(
+-      "/usr/local/include /usr/local/lib"
+-      "/usr/include /usr/lib64"
+-      "/usr/include /usr/lib"
+-      "/opt/local/include /opt/local/lib" # macports
+-      )
+ 
+ if [[ "$OSTYPE" =~ "darwin" ]]; then
+     SOLIBSUFFIX=dylib