ubuntu 16.04上源码编译glog和gflags 编写glog-config.cmake和gflags-config.cmake | compile glog and glags on ubuntu 16.04

时间：2023-03-10 05:10:28
ubuntu 16.04上源码编译glog和gflags 编写glog-config.cmake和gflags-config.cmake | compile glog and glags on ubuntu 16.04

本文首发于个人博客https://kezunlin.me/post/977f5125/，欢迎阅读!

compile glog and glags on ubuntu 16.04

Series

Guide

version

wget https://github.com/schuhschuh/gflags/archive/v2.2.1.tar.gz

wget https://github.com/google/glog/archive/v0.3.5.tar.gz

gflags

cd gflags

mkdir build

cd build

cmake-gui ..

with options

BUILD_SHARED_LIBS ON

INSTALL_SHARED_LIBS ON

INSTALL_STATIC_LIBS OFF

CMAKE_CONFIGURATION_TYPES Release

REGISTER_INSTALL_PREFIX OFF

#NAMESPACE google;gflags

NAMESPACE google

compile and install

make -j8

sudo make install

gflags-config.cmake

comes from caffe/cmake/Modules/FindGFlags.cmake

# - Try to find GFLAGS

#

# The following variables are optionally searched for defaults

#  GFLAGS_ROOT_DIR:            Base directory where all GFLAGS components are found

#

# The following are set after configuration is done:

#  GFLAGS_FOUND

#  GFLAGS_INCLUDE_DIRS

#  GFLAGS_LIBRARIES

#  GFLAGS_LIBRARYRARY_DIRS

include(FindPackageHandleStandardArgs)

set(GFLAGS_ROOT_DIR "" CACHE PATH "Folder contains Gflags")

# We are testing only a couple of files in the include directories

if(WIN32)

    find_path(GFLAGS_INCLUDE_DIR gflags/gflags.h

        PATHS ${GFLAGS_ROOT_DIR}/src/windows)

else()

    find_path(GFLAGS_INCLUDE_DIR gflags/gflags.h

        PATHS ${GFLAGS_ROOT_DIR})

endif()

if(MSVC)

    find_library(GFLAGS_LIBRARY_RELEASE

        NAMES libgflags

        PATHS ${GFLAGS_ROOT_DIR}

        PATH_SUFFIXES Release)

    find_library(GFLAGS_LIBRARY_DEBUG

        NAMES libgflags-debug

        PATHS ${GFLAGS_ROOT_DIR}

        PATH_SUFFIXES Debug)

    set(GFLAGS_LIBRARY optimized ${GFLAGS_LIBRARY_RELEASE} debug ${GFLAGS_LIBRARY_DEBUG})

else()

    find_library(GFLAGS_LIBRARY gflags)

endif()

find_package_handle_standard_args(GFlags DEFAULT_MSG GFLAGS_INCLUDE_DIR GFLAGS_LIBRARY)

if(GFLAGS_FOUND)

    set(GFLAGS_INCLUDE_DIRS ${GFLAGS_INCLUDE_DIR})

    set(GFLAGS_LIBRARIES ${GFLAGS_LIBRARY})

    message(STATUS "Found gflags  (include: ${GFLAGS_INCLUDE_DIR}, library: ${GFLAGS_LIBRARY})")

    mark_as_advanced(GFLAGS_LIBRARY_DEBUG GFLAGS_LIBRARY_RELEASE

                     GFLAGS_LIBRARY GFLAGS_INCLUDE_DIR GFLAGS_ROOT_DIR)

endif()

copy gflags-config.cmake to /usr/local/lib/cmake/gflags/

glog

cd glog

mkdir build

cd build

cmake-gui ..

with options

WITH_GFLAGS ON

CMAKE_CONFIGURATION_TYPES Release

BUILD_SHARED_LIBS ON  # new by hand

compile and install

make -j8

sudo make install

glog-config.cmake

comes from caffe/cmake/Modules/FindGFlags.cmake

# - Try to find Glog

#

# The following variables are optionally searched for defaults

#  GLOG_ROOT_DIR:            Base directory where all GLOG components are found

#

# The following are set after configuration is done:

#  GLOG_FOUND

#  GLOG_INCLUDE_DIRS

#  GLOG_LIBRARIES

#  GLOG_LIBRARYRARY_DIRS

include(FindPackageHandleStandardArgs)

set(GLOG_ROOT_DIR "" CACHE PATH "Folder contains Google glog")

if(WIN32)

    find_path(GLOG_INCLUDE_DIR glog/logging.h

        PATHS ${GLOG_ROOT_DIR}/src/windows)

else()

    find_path(GLOG_INCLUDE_DIR glog/logging.h

        PATHS ${GLOG_ROOT_DIR})

endif()

if(MSVC)

    find_library(GLOG_LIBRARY_RELEASE libglog_static

        PATHS ${GLOG_ROOT_DIR}

        PATH_SUFFIXES Release)

    find_library(GLOG_LIBRARY_DEBUG libglog_static

        PATHS ${GLOG_ROOT_DIR}

        PATH_SUFFIXES Debug)

    set(GLOG_LIBRARY optimized ${GLOG_LIBRARY_RELEASE} debug ${GLOG_LIBRARY_DEBUG})

else()

    find_library(GLOG_LIBRARY glog

        PATHS ${GLOG_ROOT_DIR}

        PATH_SUFFIXES lib lib64)

endif()

find_package_handle_standard_args(Glog DEFAULT_MSG GLOG_INCLUDE_DIR GLOG_LIBRARY)

if(GLOG_FOUND)

  set(GLOG_INCLUDE_DIRS ${GLOG_INCLUDE_DIR})

  set(GLOG_LIBRARIES ${GLOG_LIBRARY})

  message(STATUS "Found glog    (include: ${GLOG_INCLUDE_DIR}, library: ${GLOG_LIBRARY})")

  mark_as_advanced(GLOG_ROOT_DIR GLOG_LIBRARY_RELEASE GLOG_LIBRARY_DEBUG

                                 GLOG_LIBRARY GLOG_INCLUDE_DIR)

endif()

copy glog-config.cmake to /usr/local/lib/cmake/glog/

Example Code

CMakeLists.txt

cmake_minimum_required(VERSION 2.6)

project(glog_proj)

# Locate GTest

find_package(GTest REQUIRED)

include_directories(${GTEST_INCLUDE_DIRS})

find_package(GFLAGS REQUIRED)

include_directories(${GFLAGS_INCLUDE_DIRS})

find_package(GLOG REQUIRED)

include_directories(${GLOG_INCLUDE_DIRS})

# for windows

#add_definitions( -DGLOG_NO_ABBREVIATED_SEVERITIES ) 

MESSAGE( [Main] " GFLAGS_FOUND = ${GFLAGS_FOUND}")

MESSAGE( [Main] " GFLAGS_INCLUDE_DIRS = ${GFLAGS_INCLUDE_DIRS}")

MESSAGE( [Main] " GFLAGS_LIBRARIES = ${GFLAGS_LIBRARIES}")

MESSAGE( [Main] " GLOG_FOUND = ${GLOG_FOUND}")

MESSAGE( [Main] " GLOG_INCLUDE_DIRS = ${GLOG_INCLUDE_DIRS}")

MESSAGE( [Main] " GLOG_LIBRARIES = ${GLOG_LIBRARIES}")

add_executable(demo glog_main.cpp)

target_link_libraries (demo  ${GLOG_LIBRARIES} ${GFLAGS_LIBRARIES})

main.cpp

#include <gflags/gflags.h>

#include <glog/logging.h>

int main(int argc, char **argv)

{

	/*

	FLAGS_logtostderr = true;

	FLAGS_alsologtostderr = true;

	FLAGS_colorlogtostderr = true;

	FLAGS_log_prefix = true;  

	FLAGS_logbufsecs = 0;  //0 means realtime

	FLAGS_max_log_size = 10;  // MB

	*/

	google::InitGoogleLogging(argv[0]); // init google logging

	google::SetLogDestination(google::GLOG_FATAL, "../log/log_fatal_");

	google::SetLogDestination(google::GLOG_ERROR, "../log/log_error_");

	google::SetLogDestination(google::GLOG_WARNING, "../log/log_warning_");

	google::SetLogDestination(google::GLOG_INFO, "../log/log_info_"); 

	LOG(INFO) << "Hello GLOG";

	return 0;

}

Reference

History

  • 20180223: created.

Copyright

相关文章