libgit2: Add package (closes #771)

packages/libgit2/build.sh

@@ -0,0 +1,8 @@
+TERMUX_PKG_HOMEPAGE=https://libgit2.github.com/
+TERMUX_PKG_DESCRIPTION="C library implementing Git core methods"
+TERMUX_PKG_VERSION=0.25.1
+TERMUX_PKG_SRCURL=https://github.com/libgit2/libgit2/archive/v${TERMUX_PKG_VERSION}.tar.gz
+TERMUX_PKG_SHA256=7ae8e699ff7ff9a1fa702249140ee31ea6fd556bf7968e84e38165870667bcb1
+TERMUX_PKG_DEPENDS="libcurl, openssl"
+TERMUX_PKG_EXTRA_CONFIGURE_ARGS="-DBUILD_CLAR=OFF"
+TERMUX_PKG_FOLDERNAME=libgit2-$TERMUX_PKG_VERSION