Improve CMakeLists.txt

Signed-off-by: Jianhui Zhao <jianhuizhao329@gmail.com>

.gitignore

@@ -55,3 +55,9 @@ server-cert.pem
 server-key.pem
 
 build/
+
+CMakeFiles
+CMakeCache.txt
+cmake_install.cmake
+Makefile
+helloworld

CMakeLists.txt

@@ -1,17 +1,9 @@
 cmake_minimum_required(VERSION 2.8)
 
-project(libuhttp C)
+project(libuhttpd C)
 
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake/Modules/")
 
 #set(CMAKE_VERBOSE_MAKEFILE ON)
 
-add_definitions(-O -Wall -Werror --std=gnu99 -D_GNU_SOURCE -Wno-misleading-indentation)
-
-include_directories(
-	${CMAKE_CURRENT_SOURCE_DIR}/src/
-	${CMAKE_CURRENT_BINARY_DIR}/src/
-)
-
 add_subdirectory(src)
-add_subdirectory(example)

cmake/Modules/FindLibubox.cmake

@@ -1,8 +1,8 @@
 # - Try to find libubox
 # Once done this will define
 #  LIBUBOX_FOUND        - System has libubox
-#  LIBUBOX_INCLUDE_DIRS - The libubox include directories
+#  LIBUBOX_INCLUDE_DIR  - The libubox include directories
-#  LIBUBOX_LIBRARIES    - The libraries needed to use libubox
+#  LIBUBOX_LIBRARY      - The libraries needed to use libubox
 
 find_path(LIBUBOX_INCLUDE_DIR uloop.h PATH_SUFFIXES libubox)
 find_library(LIBUBOX_LIBRARY ubox PATH_SUFFIXES lib64)
@@ -14,9 +14,4 @@ find_package_handle_standard_args(Libubox REQUIRED_VARS
                                   LIBUBOX_LIBRARY LIBUBOX_INCLUDE_DIR
                                   VERSION_VAR LIBUBOX_VERSION)
 
-if(LIBUBOX_FOUND)
-  set(LIBUBOX_LIBRARIES     ${LIBUBOX_LIBRARY})
-  set(LIBUBOX_INCLUDE_DIRS  ${LIBUBOX_INCLUDE_DIR})
-endif()
-
 mark_as_advanced(LIBUBOX_INCLUDE_DIR LIBUBOX_LIBRARY)

cmake/Modules/FindLibuhttpd.cmake

@@ -0,0 +1,29 @@
+# - Try to find libuhttpd
+# Once done this will define
+#  LIBUHTTPD_FOUND          - System has libuhttpd
+#  LIBUHTTPD_INCLUDE_DIR    - The libuhttpd include directories
+#  LIBUHTTPD_LIBRARY        - The libraries needed to use libuhttpd
+
+find_path(LIBUHTTPD_INCLUDE_DIR uhttpd.h PATH_SUFFIXES uhttpd)
+find_library(LIBUHTTPD_LIBRARY uhttpd PATH_SUFFIXES lib64)
+
+if(LIBUHTTPD_INCLUDE_DIR)
+  file(STRINGS "${LIBUHTTPD_INCLUDE_DIR}/uhttpd.h"
+      LIBUHTTPD_VERSION_MAJOR REGEX "^#define[ \t]+UHTTPD_VERSION_MAJOR[ \t]+[0-9]+")
+  file(STRINGS "${LIBUHTTPD_INCLUDE_DIR}/uhttpd.h"
+      LIBUHTTPD_VERSION_MINOR REGEX "^#define[ \t]+UHTTPD_VERSION_MINOR[ \t]+[0-9]+")
+  string(REGEX REPLACE "[^0-9]+" "" LIBUHTTPD_VERSION_MAJOR "${LIBUHTTPD_VERSION_MAJOR}")
+  string(REGEX REPLACE "[^0-9]+" "" LIBUHTTPD_VERSION_MINOR "${LIBUHTTPD_VERSION_MINOR}")
+  set(LIBUHTTPD_VERSION "${LIBUHTTPD_VERSION_MAJOR}.${LIBUHTTPD_VERSION_MINOR}")
+  unset(LIBUHTTPD_VERSION_MINOR)
+  unset(LIBUHTTPD_VERSION_MAJOR)
+endif()
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set LIBUHTTPD_FOUND to TRUE
+# if all listed variables are TRUE and the requested version matches.
+find_package_handle_standard_args(Libuhttpd REQUIRED_VARS
+                                  LIBUHTTPD_LIBRARY LIBUHTTPD_INCLUDE_DIR
+                                  VERSION_VAR LIBUHTTPD_VERSION)
+
+mark_as_advanced(LIBUHTTPD_INCLUDE_DIR LIBUHTTPD_LIBRARY)

example/CMakeLists.txt

@@ -1,2 +1,17 @@
+cmake_minimum_required(VERSION 2.8)
+
+project(libuhttpd-example C)
+
+#set(CMAKE_VERBOSE_MAKEFILE ON)
+
+list(APPEND CMAKE_MODULE_PATH "../cmake/Modules/")
+
+add_definitions(-O -Wall -Werror --std=gnu99 -D_GNU_SOURCE -Wno-misleading-indentation)
+
+find_package(Libuhttpd REQUIRED)
+find_package(Libubox REQUIRED)
+
+include_directories(${LIBUHTTPD_INCLUDE_DIR})
+
 add_executable(helloworld helloworld.c)
-target_link_libraries(helloworld uhttpd)
+target_link_libraries(helloworld ${LIBUHTTPD_LIBRARY} ${LIBUBOX_LIBRARY})

src/CMakeLists.txt

@@ -1,3 +1,6 @@
+
+add_definitions(-O -Wall -Werror --std=gnu99 -D_GNU_SOURCE -Wno-misleading-indentation)
+
 # The version number.
 set(UHTTPD_VERSION_MAJOR 1)
 set(UHTTPD_VERSION_MINOR 0)
@@ -6,8 +9,9 @@ set(UHTTPD_VERSION_PATCH 1)
 # Check the third party Libraries
 find_package(Libubox REQUIRED)
 
-include_directories(${LIBUBOX_INCLUDE_DIR} ${LUA_INCLUDE_DIR})
+include_directories(${CMAKE_CURRENT_BINARY_DIR} ${LIBUBOX_INCLUDE_DIR})
-set(EXTRA_LIBS ${LIBUBOX_LIBRARIES} ${LUA_LIBRARIES} dl)
+
+set(EXTRA_LIBS ${LIBUBOX_LIBRARY} dl)
 set(SOURCE_FILES uhttpd.c client.c log.c utils.c file.c action.c)
 
 set(UHTTPD_DEBUG_CONFIG 0)