cURL package information for addition in buildroot. Copy both files to /package/curl and don't forget to add 'source "package/curl/Config.in"' to your top level Config.in

Config.in

config BR2_PACKAGE_LIBCURL
	bool "libcurl"
	help
	  cURL is a tool for getting files from FTP, HTTP, Gopher, Telnet,
	  and Dict servers, using any of the supported protocols.

	  http://curl.haxx.nu/

config BR2_PACKAGE_CURL
	bool "curl binary"
	depends on BR2_PACKAGE_LIBCURL
	help
	  Install curl binary as well

curl.mk

#############################################################
#
# curl
#
#############################################################
LIBCURL_VERSION = 7.36.0
LIBCURL_SOURCE = curl-$(LIBCURL_VERSION).tar.bz2
LIBCURL_SITE = http://curl.haxx.se/download/
LIBCURL_INSTALL_STAGING = YES
LIBCURL_CONF_OPT = --disable-verbose --disable-manual --enable-hidden-symbols \
		   $(DISABLE_NLS) $(DISABLE_LARGEFILE) $(DISABLE_IPV6)

$(eval $(autotools-package,package,libcurl))

$(LIBCURL_HOOK_POST_INSTALL):
	rm -rf $(TARGET_DIR)/usr/bin/curl-config \
	       $(if $(BR2_PACKAGE_CURL),,$(TARGET_DIR)/usr/bin/curl)