ivykis: add new package

Libivykis, an asynchronous I/O readiness notification library.
This library is required by syslog-ng and potentially other packages
that need event-driven I/O handling.

Signed-off-by: Josef Schlehofer <pepe.schlehofer@gmail.com>

libs/ivykis/Makefile

@@ -0,0 +1,57 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=ivykis
+PKG_VERSION:=0.43.2
+PKG_RELEASE:=1
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
+PKG_SOURCE_URL:=@SF/libivykis
+PKG_HASH:=93e3e9b237695437cd63d4aa48a8d9dfd8b39bc28a192a5770d113c4fe9099ef
+
+PKG_MAINTAINER:=Josef Schlehofer <pepe.schlehofer@gmail.com>
+PKG_LICENSE:=LGPL-2.1-or-later
+PKG_LICENSE_FILES:=COPYING
+
+PKG_FIXUP:=autoreconf
+PKG_INSTALL:=1
+PKG_BUILD_PARALLEL:=1
+
+PKG_CONFIG_DEPENDS:=CONFIG_KERNEL_IO_URING
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/ivykis
+  SECTION:=libs
+  CATEGORY:=Libraries
+  TITLE:=Async I/O library
+  URL:=https://libivykis.sourceforge.net/
+  DEPENDS:=+KERNEL_IO_URING:liburing
+  ABI_VERSION:=0
+endef
+
+define Package/ivykis/description
+  libivykis is a library for asynchronous I/O readiness notification.
+endef
+
+CONFIGURE_ARGS += \
+	--enable-shared \
+	--enable-static \
+	--with-pic \
+	--enable-io-uring=$(if $(CONFIG_KERNEL_IO_URING),yes,no)
+
+define Build/InstallDev
+	$(INSTALL_DIR) $(1)/usr/include
+	$(CP) $(PKG_INSTALL_DIR)/usr/include/iv*.h $(1)/usr/include/
+	$(INSTALL_DIR) $(1)/usr/lib
+	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libivykis.a $(1)/usr/lib/
+	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libivykis.so* $(1)/usr/lib/
+	$(INSTALL_DIR) $(1)/usr/lib/pkgconfig
+	$(CP) $(PKG_INSTALL_DIR)/usr/lib/pkgconfig/ivykis.pc $(1)/usr/lib/pkgconfig/
+endef
+
+define Package/ivykis/install
+	$(INSTALL_DIR) $(1)/usr/lib
+	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libivykis.so.$(ABI_VERSION)* $(1)/usr/lib/
+endef
+
+$(eval $(call BuildPackage,ivykis))