build: add CMakeLists.txt

bsergean · web-flow · commit 7e9668b41f5d · 2021-06-26T23:55:10.000-07:00
PR-URL: #122 Reviewed-By: Fedor Indutny <fedor@indutny.com>
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -0,0 +1,53 @@
+cmake_minimum_required(VERSION 3.5.1)
+cmake_policy(SET CMP0069 NEW)
+
+project(llhttp C)
+
+set(CMAKE_C_STANDARD 99)
+
+#
+# Options
+#
+# Generic option
+option(BUILD_SHARED_LIBS "Build shared libraries (.dll/.so) instead of static ones (.lib/.a)" OFF)
+
+# Source code
+set(LLHTTP_SOURCES
+  src/llhttp.c
+  src/http.c
+  src/api.c
+)
+
+set(LLHTTP_HEADERS
+  include/llhttp.h
+)
+
+add_library(llhttp)
+add_library(llhttp::llhttp ALIAS llhttp)
+
+target_sources(llhttp PRIVATE ${LLHTTP_SOURCES} ${LLHTTP_HEADERS})
+
+# On windows with Visual Studio, add a debug postfix so that release
+# and debug libraries can coexist.
+if(MSVC)
+  set(CMAKE_DEBUG_POSTFIX "d")
+endif()
+
+target_include_directories(llhttp PUBLIC
+  $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+  $<INSTALL_INTERFACE:include>
+)
+
+set_target_properties(llhttp PROPERTIES PUBLIC_HEADER ${LLHTTP_HEADERS})
+
+install(TARGETS llhttp
+        EXPORT llhttp
+        ARCHIVE DESTINATION lib
+        PUBLIC_HEADER DESTINATION include/
+)
+
+# This is required to work with FetchContent
+install(EXPORT llhttp
+        FILE llhttp-config.cmake
+        NAMESPACE llhttp::
+        DESTINATION lib/cmake/llhttp)
diff --git a/Makefile b/Makefile
@@ -50,6 +50,7 @@ release: generate
 	cp -rf src/native/*.c release/src/
 	cp -rf src/llhttp.gyp release/
 	cp -rf src/common.gypi release/
+	cp -rf CMakeLists.txt release/
 	cp -rf README.md release/
 	cp -rf LICENSE-MIT release/
 
@@ -58,7 +59,7 @@ postversion: release
 	git checkout release --
 	cp -rf release/* ./
 	rm -rf release
-	git add include src *.gyp *.gypi README.md LICENSE-MIT
+	git add include src *.gyp *.gypi CMakeLists.txt README.md LICENSE-MIT
 	git commit -a -m "release: $(TAG)"
 	git tag "release/v$(TAG)"
 	git push && git push --tags
diff --git a/README.md b/README.md
@@ -99,6 +99,20 @@ For more information on API usage, please refer to [src/native/api.h](https://gi
 * Python: [pallas/pyllhttp][8]
 * Ruby: [metabahn/llhttp][9]
 
+
+### Using with CMake
+
+If you want to use this library in a CMake project you can use the snippet below.
+
+```
+FetchContent_Declare(llhttp
+  URL "https://github.com/nodejs/llhttp/releases/download/v6.0.4/llhttp-release-v6.0.4.tar.gz")  # Using version 6.0.4
+
+FetchContent_MakeAvailable(llhttp)
+
+target_link_libraries(${EXAMPLE_PROJECT_NAME} ${PROJECT_LIBRARIES} llhttp ${PROJECT_NAME})
+```
+
 #### LICENSE
 
 This software is licensed under the MIT License.
