Add giflib package.

mingw-w64-giflib/PKGBUILD

@@ -0,0 +1,41 @@
+# Maintainer: Alexey Pavlov <alexpux@gmail.com>
+
+_realname=giflib
+_mingw_suff=mingw-w64-${CARCH}
+pkgname="${_mingw_suff}-${_realname}"
+pkgver=5.0.5
+pkgrel=1
+pkgdesc="A library for reading and writing gif images (mingw-w64)"
+arch=('any')
+url="http://sourceforge.net/projects/giflib"
+license=("MIT")
+makedepends=("${_mingw_suff}-gcc" "xmlto")
+depends=("${_mingw_suff}-crt")
+options=('staticlibs' 'strip')
+source=("http://downloads.sourceforge.net/sourceforge/giflib/${_realname}-${pkgver}.tar.bz2"
+"giflib-5.0.4-include-stddef.patch")
+md5sums=('c3262ba0a3dad31ba876fb5ba1d71a02'
+         'e39b98822334f2bd2009469e5dea65c5')
+
+prepare() {
+  cd "$srcdir/giflib-$pkgver"
+  patch -Np1 -i "$srcdir/giflib-5.0.4-include-stddef.patch"
+}
+
+build() {
+    mkdir -p "${srcdir}/${_realname}-${pkgver}-build-${CARCH}"
+    cd "${srcdir}/${_realname}-${pkgver}-build-${CARCH}"
+
+    "${srcdir}"/${_realname}-${pkgver}/configure \
+      --build=${MINGW_CHOST} \
+      --host=${MINGW_CHOST} \
+      --target=${MINGW_CHOST} \
+      --prefix=${MINGW_PREFIX}
+    make bin_PROGRAMS=''
+}
+
+package() {
+    cd "${srcdir}/${_realname}-${pkgver}-build-${CARCH}"
+    make DESTDIR="$pkgdir" bin_PROGRAMS='' install
+    rm -r "${pkgdir}${MINGW_PREFIX}/share"
+}

mingw-w64-giflib/giflib-5.0.4-include-stddef.patch

@@ -0,0 +1,11 @@
+diff -rupN a/lib/gif_lib.h b/lib/gif_lib.h
+--- a/lib/gif_lib.h	2013-01-06 07:29:57.000000000 +0100
++++ b/lib/gif_lib.h	2013-07-30 10:52:47.611034000 +0200
+@@ -19,6 +19,7 @@ extern "C" {
+ #define GIF_OK      1
+ 
+ #include <stdbool.h>
++#include <stddef.h>
+ 
+ #define GIF_STAMP "GIFVER"          /* First chars in file - GIF stamp.  */
+ #define GIF_STAMP_LEN sizeof(GIF_STAMP) - 1