commit 1309de5c161360202372427f06cfb98e799f737d Author: david.sorber Date: Thu Jan 18 08:03:28 2024 -0500 Initial commit with project skeleton. diff --git a/CMakeLists.txt b/CMakeLists.txt new file mode 100644 index 0000000..94d2b4b --- /dev/null +++ b/CMakeLists.txt @@ -0,0 +1,109 @@ +cmake_minimum_required(VERSION 3.22) +project("copytool") +cmake_policy(SET CMP0054 NEW) + +################################################################################ +# Check GCC version +################################################################################ +IF ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU") + # Require at least gcc 7.5 + IF (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 7.5) + MESSAGE(FATAL_ERROR "GCC version must be at least 7.5!") + ENDIF() +ENDIF() + +# This is a neat trick to prevent in source builds +IF (CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR) + MESSAGE(FATAL_ERROR "Prevented in-tree build. This is bad practice; you " + "should be running cmake from inside a build directory.") +ENDIF() + + +# Use /etc/os-release to determine Linux flavor and version +EXECUTE_PROCESS(COMMAND bash -c "grep \"^NAME=\" /etc/os-release | cut -c7- | rev | cut -c2- | rev" + OUTPUT_VARIABLE DISTRIB_ID + OUTPUT_STRIP_TRAILING_WHITESPACE +) + +EXECUTE_PROCESS(COMMAND bash -c "grep \"^VERSION_ID=\" /etc/os-release | cut -c13- | rev | cut -c2- | rev" + OUTPUT_VARIABLE DISTRIB_RELEASE + OUTPUT_STRIP_TRAILING_WHITESPACE +) + +# Output the parsed ID and release version +MESSAGE(STATUS "DISTRIB_ID: " ${DISTRIB_ID}) +MESSAGE(STATUS "DISTRIB_RELEASE: " ${DISTRIB_RELEASE}) + + +################################################################################ +# Configuration +################################################################################ + +# Do not let CMake add the build directory path to RPATH. This means that CL/SL +# cannot be run from the build directory and must be properly installed. +SET(CMAKE_SKIP_BUILD_RPATH TRUE) + +# Do not allow CMake to find libraries in /usr/local as that's where things +# like CUDA end up (e.g. /usr/local/cuda-11.3/) +# BIG NOTE: CMAKE_IGNORE_PATH must be a list of full paths *NOT* prefixes +SET(CMAKE_IGNORE_PATH "/usr/local/;/usr/local/lib;/usr/local/lib/cmake;" + "/usr/local/cuda/targets/x86_64-linux/lib") + +# Uncomment this line to enable AddressSanitizer; remember to also disable +# tcmalloc. NOTE: although the gold linker is faster for general usage it has +# several bugs when used with LTO and has therefore been removed from the +# line below (-fuse-ld=gold). +# SET(CMAKE_CXX_FLAGS "-fsanitize=undefined -fno-sanitize=vptr -fno-omit-frame-pointer") +# SET(CMAKE_CXX_FLAGS "-fsanitize=address -fno-omit-frame-pointer") +# SET(CMAKE_CXX_FLAGS "-fsanitize=thread -fno-omit-frame-pointer") + +# +# Set the compile flags +# +SET(CMAKE_CXX_STANDARD 17) +SET(CMAKE_CXX_STANDARD_REQUIRED ON) +# NOTE: gnu extensions are essentially required for proper 128 bit integer support +# See: https://quuxplusone.github.io/blog/2019/02/28/is-int128-integral/ +SET(CMAKE_CXX_EXTENSIONS ON) +SET(CMAKE_CXX_VISIBILITY_PRESET hidden) + +SET(CMAKE_C_STANDARD 11) +SET(CMAKE_C_STANDARD_REQUIRED ON) +SET(CMAKE_C_VISIBILITY_PRESET hidden) + +# Ensure symbols from statically linked libraries are hidden +SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wl,--exclude-libs=ALL") + +# Enable warnings +SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wno-unused-parameter") +SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wno-unused-parameter") + +# Set the library install path depending on the Linux flavor +SET(LIBRARY_INSTALL_PATH "") +IF (DISTRIB_ID STREQUAL "Ubuntu") + SET(LIBRARY_INSTALL_PATH "/usr/lib/x86_64-linux-gnu/") +ELSE() + # CentOS/RedHat/Rocky/ALMA + SET(LIBRARY_INSTALL_PATH "/usr/lib64/") +ENDIF() + +################################################################################ +# Target +################################################################################ + +ADD_EXECUTABLE(copytool ${CMAKE_CURRENT_SOURCE_DIR}/src/copytool_main.cc) + +################################################################################ +# Create uninstall target +################################################################################ +CONFIGURE_FILE( + ${CMAKE_SOURCE_DIR}/cmake/cmake_uninstall.cmake + ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake +@ONLY) + +# Only add the target if there isn't one defined already +IF(NOT TARGET uninstall) + ADD_CUSTOM_TARGET(uninstall + ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake + ) +ENDIF() diff --git a/cmake/cmake_uninstall.cmake b/cmake/cmake_uninstall.cmake new file mode 100644 index 0000000..9ae1ae4 --- /dev/null +++ b/cmake/cmake_uninstall.cmake @@ -0,0 +1,32 @@ +# http://www.vtk.org/Wiki/CMake_FAQ#Can_I_do_.22make_uninstall.22_with_CMake.3F + +IF(NOT EXISTS "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt") + MESSAGE(FATAL_ERROR "Cannot find install manifest: \"@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt\"") +ENDIF(NOT EXISTS "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt") + +FILE(READ "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt" files) +STRING(REGEX REPLACE "\n" ";" files "${files}") +FOREACH(file ${files}) + MESSAGE(STATUS "Uninstalling \"$ENV{DESTDIR}${file}\"") + IF(EXISTS "$ENV{DESTDIR}${file}") + EXEC_PROGRAM( + "@CMAKE_COMMAND@" ARGS "-E remove \"$ENV{DESTDIR}${file}\"" + OUTPUT_VARIABLE rm_out + RETURN_VALUE rm_retval + ) + IF(NOT "${rm_retval}" STREQUAL 0) + MESSAGE(FATAL_ERROR "Problem when removing \"$ENV{DESTDIR}${file}\"") + ENDIF(NOT "${rm_retval}" STREQUAL 0) + ELSEIF(IS_SYMLINK "$ENV{DESTDIR}${file}") + EXEC_PROGRAM( + "@CMAKE_COMMAND@" ARGS "-E remove \"$ENV{DESTDIR}${file}\"" + OUTPUT_VARIABLE rm_out + RETURN_VALUE rm_retval + ) + IF(NOT "${rm_retval}" STREQUAL 0) + MESSAGE(FATAL_ERROR "Problem when removing \"$ENV{DESTDIR}${file}\"") + ENDIF(NOT "${rm_retval}" STREQUAL 0) + ELSE(EXISTS "$ENV{DESTDIR}${file}") + MESSAGE(STATUS "File \"$ENV{DESTDIR}${file}\" does not exist.") + ENDIF(EXISTS "$ENV{DESTDIR}${file}") +ENDFOREACH(file) diff --git a/src/copytool_main.cc b/src/copytool_main.cc new file mode 100644 index 0000000..21de4e5 --- /dev/null +++ b/src/copytool_main.cc @@ -0,0 +1,28 @@ +#include +#include +#include +#include +#include + +namespace sfs = std::filesystem; + + +int main(int argc, char** argv) +{ + std::cout << "Sendfile Copy Util\n" << std::endl; + + if (argc < 2) + { + std::cerr << "ERROR: please specify input path\n" << std::endl; + return -1; + } + + const std::string inputPath(argv[1]); + + for (const auto& dirEntry : sfs::recursive_directory_iterator(inputPath)) + { + std::cout << "PATH: " << dirEntry << std::endl; + } + + return 0; +}