Merge branch 'master' of https://github.com/codeinred/liburing into codeinred-master

* 'master' of https://github.com/codeinred/liburing:
  Added support for CMake build system

Link: axboe#438
Signed-off-by: Ammar Faizi <[email protected]>

Author: ammarfaizi2

.gitignore

@@ -139,3 +139,6 @@ config-host.mak
 config.log
 
 liburing.pc
+
+/.ccls-cache/
+/build/

CMakeLists.txt

@@ -0,0 +1,90 @@
+cmake_minimum_required(VERSION 3.14)
+
+project("liburing")
+set(libname "uring")
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+############################
+## Add headers to library ##
+############################
+function(add_headers VAR dir)
+    set(headers ${${VAR}})
+    foreach (header ${ARGN})
+        set(headers ${headers} ${dir}/${header})
+    endforeach()
+    set(${VAR} ${headers} PARENT_SCOPE)
+endfunction()
+
+add_headers(
+    liburing_headers    # Variable name
+    src/include         # Directory to find headers
+    liburing.h
+    liburing/barrier.h
+    liburing/io_uring.h)
+
+file(GLOB liburing_sources src/*.c)
+# string(REPLACE ";" " " liburing_sources "${liburing_sources}")
+
+add_library("${libname}" ${liburing_sources} ${liburing_headers})
+
+target_include_directories(
+    "${libname}"
+    PUBLIC
+    $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/src/include/>
+    $<INSTALL_INTERFACE:include>)
+
+# If we're building this project directly (rather than as a dependency), we
+# have to build tests
+if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
+
+    # Run configure to generate config-host.h, if configure hasn't been run
+    if(NOT EXISTS "${PROJECT_SOURCE_DIR}/config-host.h")
+        execute_process(
+            COMMAND "${PROJECT_SOURCE_DIR}/configure"
+            WORKING_DIRECTORY "${PROJECT_SOURCE_DIR}")
+    endif()
+
+    include(CTest)
+
+    # Tests need to be linked against pthreads
+    set(THREADS_PREFER_PTHREAD_FLAG ON)
+    find_package(Threads REQUIRED)
+
+    set(liburing_test_flags
+        -include "${PROJECT_SOURCE_DIR}/config-host.h"
+        -g
+        -O2
+        -D_GNU_SOURCE
+        -D__SANE_USERSPACE_TYPES__
+        -Wall
+        -Wextra
+        -Wno-unused-parameter
+        -Wno-sign-compare
+        -Wstringop-overflow=0
+        -Warray-bounds=0)
+    file(GLOB liburing_tests "test/*.c")
+    # Remove the helpers.c, which doesn't contain a main
+    list(FILTER liburing_tests EXCLUDE REGEX "helpers.c")
+    foreach(test_file ${liburing_tests})
+
+        # Get the name of the target. This will be the file name, stripped of
+        # ".c" at the end.
+        get_filename_component(target ${test_file} NAME_WLE)
+
+        # Create an executable target for the test; add test/helpers.c as a source
+        add_executable(${target} ${test_file} test/helpers.c)
+
+        # Target liburing and pthreads
+        target_link_libraries(
+            ${target}
+            PRIVATE
+            ${libname}
+            Threads::Threads)
+
+        # Add additional compiler options and definitions
+        target_compile_options(${target} PRIVATE ${liburing_test_flags})
+
+        # Register the test with ctest
+        add_test(NAME "test-${target}" COMMAND "${target}")
+    endforeach()
+endif()