Add CMake system. Initial commit

This provides a target to build a DSO, as well as the ability to install
it.

CMakeLists.txt

@@ -0,0 +1,47 @@
+CMAKE_MINIMUM_REQUIRED(VERSION 3.0.0)
+INCLUDE(GNUInstallDirs)
+PROJECT(redisearch)
+
+# Get the version numbers
+MACRO(getVersionBit name)
+
+EXECUTE_PROCESS(
+    WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
+    COMMAND grep "${name}" hiredis.h COMMAND awk "{print $3}"
+    OUTPUT_VARIABLE "${name}"
+    OUTPUT_STRIP_TRAILING_WHITESPACE)
+ENDMACRO(getVersionBit)
+
+getVersionBit(HIREDIS_MAJOR)
+getVersionBit(HIREDIS_MINOR)
+getVersionBit(HIREDIS_PATCH)
+
+MESSAGE("Detected version: ${HIREDIS_MAJOR}.${HIREDIS_MINOR}.${HIREDIS_PATCH}")
+
+ADD_LIBRARY(hiredis SHARED
+    async.c
+    dict.c
+    hiredis.c
+    net.c
+    read.c
+    sds.c)
+
+SET_TARGET_PROPERTIES(hiredis
+    PROPERTIES
+    VERSION "${HIREDIS_MAJOR}.${HIREDIS_MINOR}.${HIREDIS_PATCH}")
+
+INSTALL(TARGETS hiredis
+    DESTINATION "${CMAKE_INSTALL_LIBDIR}")
+
+INSTALL(FILES hiredis.h read.h sds.h
+    DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/hiredis)
+
+# Add tests: Currently, I don't know how to make the tests actually run
+# without hanging!
+ENABLE_TESTING()
+ADD_EXECUTABLE(hiredis-test
+    test.c)
+TARGET_LINK_LIBRARIES(hiredis-test hiredis)
+
+# Add examples
+