I'm making a C++ and allegro5 project for university. I compiled allegro library and it's working well in Xcode for example. But I wanted to do my project in CLion and as soon as try to build project including allegro it throws an error:
ld: library not found for -lallegro_acodec
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make[2]: *** [TEST1] Error 1
make[1]: *** [CMakeFiles/TEST1.dir/all] Error 2
make: *** [all] Error 2
CMakeLists.txt:
cmake_minimum_required(VERSION 3.3)
project(TEST1)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
set(SOURCE_FILES main.cpp)
add_executable(TEST1 ${SOURCE_FILES})
INCLUDE_DIRECTORIES( /usr/local/Cellar/allegro/5.0.11/include )
LINK_DIRECTORIES( /usr/local/Cellar/allegro/5.0.11/lib )
TARGET_LINK_LIBRARIES(TEST1
allegro_acodec
allegro_audio
allegro_color
allegro_dialog
allegro_image
allegro_main
allegro_memfile
allegro_physfs
allegro_primitives
allegro_ttf
allegro_font
allegro)
main.cpp:
#include <iostream>
#include <allegro5/allegro.h>
using namespace std;
int main(int argc, char **argv) {
al_init();
return 0;
}
I'm working on OSX 10.11. I could not find solution for my problem. I konw that allegro and CLion are not that popular. Can anyone help me what that error means?
You should issue link_directories before add_executable.
From the documentation about link_directories:
The command will apply only to targets created after it is called.
Related
I'm trying to compile and execute a simple test program with curl lib.
#include <curl/curl.h>
using namespace std;
int main(){
curl_global_init(CURL_GLOBAL_DEFAULT);
curl_global_cleanup();
return 0;
}
I have a CMakeLists to generate MakeFile :
cmake_minimum_required(VERSION 3.17)
set(CMAKE_CXX_STANDARD 17)
project(ONLY25)
file(GLOB_RECURSE SRCS source/*.cpp)
file(GLOB_RECURSE HDRS source/*.h)
set(EXECUTABLE_NAME "ONLY25")
include_directories("C:/Users/natha/Desktop/work/myLibs/curl-7.71.1-win64-mingw/include")
set(CURL_DIR "C:/Users/natha/Desktop/work/myLibs/curl-7.71.1-win64-mingw")
set(CURL_LIBRARY "C:/Users/natha/Desktop/work/myLibs/curl-7.71.1-win64-mingw/lib/libcurl.dll.a" "C:/Users/natha/Desktop/work/myLibs/curl-7.71.1-win64-mingw/lib/libcurl.a")
set(CURL_INCLUDE_DIR "C:/Users/natha/Desktop/work/myLibs/curl-7.71.1-win64-mingw/include")
find_package(CURL REQUIRED)
add_executable(${EXECUTABLE_NAME} ${SRCS} ${HDRS})
target_link_libraries(${EXECUTABLE_NAME} ${CURL_LIBRARIES})
First, I use :
cmake -G "MinGW Makefiles" .
Everything works well
After that, I use :
C:\MinGW\bin\mingw32-make.exe
And I've got this linking error :
c:/mingw/bin/../lib/gcc/mingw32/9.2.0/../../../../mingw32/bin/ld.exe: CMakeFiles\ONLY25.dir/objects.a(main.cpp.obj):main.cpp:(.text+0x16): undefined reference to `_imp__curl_global_init'
c:/mingw/bin/../lib/gcc/mingw32/9.2.0/../../../../mingw32/bin/ld.exe: CMakeFiles\ONLY25.dir/objects.a(main.cpp.obj):main.cpp:(.text+0x1d): undefined reference to `_imp__curl_global_cleanup'
collect2.exe: error: ld returned 1 exit status
CMakeFiles\ONLY25.dir\build.make:106: recipe for target 'ONLY25.exe' failed
mingw32-make[2]: *** [ONLY25.exe] Error 1
CMakeFiles\Makefile2:93: recipe for target 'CMakeFiles/ONLY25.dir/all' failed
mingw32-make[1]: *** [CMakeFiles/ONLY25.dir/all] Error 2
Makefile:101: recipe for target 'all' failed
mingw32-make: *** [all] Error 2
I searched a lot on internet, there are some other posts on this topics but I think I did like they said.
I tried with different version of curl, and I'm using MinGW on Windows 10.
I'm really sorry if it's a dumb mistake, I still have a little trouble with Cmake. I'm stuck here for the whole day...
I'd appreciate your help with some explaination to not reproduce this aberration :)
I tried some new things thanks to responses :
set up FindCURL.cmake by copying this one link
change the CMakeLists
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/Modules/")
message(${CMAKE_MODULE_PATH})
set(CURL_LIBRARY "-lcurl")
find_package(CURL)
message(${CURL_LIBRARIES})
message(${CURL_INCLUDE_DIRS})
include_directories(${CURL_INCLUDE_DIRS})
add_executable(${EXECUTABLE_NAME} ${SRCS} ${HDRS})
target_link_libraries(${EXECUTABLE_NAME} ${CURL_LIBRARIES})
Currently, the cmake command is working well and the variables seems legit:
CURL_LIBRARIES : C:/Users/natha/Desktop/work/myLibs/curl-7.71.1-win64-mingw/lib/libcurl.dll.aC:/Users/natha/Desktop/work/myLibs/curl-7.71.1-win64-mingw/lib/libcurl.a
CURL_INCLUDE_DIRS : C:/Users/natha/Desktop/work/myLibs/curl-7.71.1-win64-mingw/include
However, there is again the linking error with the make command...
I need to use OpenSSL and cpprestsdk in a C++ project I'm working on but I'm having issues getting it to build properly. In my CMakeLists.txt I have:
cmake_minimum_required(VERSION 3.12)
project(Final_Project)
set(CMAKE_CXX_STANDARD 11)
set(OPENSSL_INCLUDE_DIR /usr/local/opt/openssl/bin/openssl)
find_package(cpprestsdk REQUIRED NAMES cpprestsdk cpprest )
find_package(OpenSSL REQUIRED)
add_executable(Final_Project main.cpp)
Which builds just fine and returns no errors. All my code as of right now is contained in main.cpp.
In main.cpp I have:
#include <iostream>
#include <string>
#include <cpprest/http_client.h>
#include <cpprest/filestream.h>
using namespace std;
int main(int argc, char* argv[])
{
cout << "Running!" << endl;
return 0;
}
But whenever I try to build/run it I get an error with cpprest:
Scanning dependencies of target Final_Project
[ 50%] Building CXX object CMakeFiles/Final_Project.dir/main.cpp.o
/Users/myAccount/myFolder/Final Project/main.cpp:3:10: fatal error: 'cpprest/http_client.h' file not found
#include <cpprest/http_client.h>
^~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
make[2]: *** [CMakeFiles/Final_Project.dir/main.cpp.o] Error 1
make[1]: *** [CMakeFiles/Final_Project.dir/all] Error 2
make: *** [all] Error 2
I installed OpenSSL and cpprestsdk with homebrew just fine and I've added everything I think I need to my PATHs. I've tried adding command line arguments to GCC to include the cpprestsdk path and I've tried renaming the #include <cpprest...> to #include <cpprestsdk...> but to no avail. Anyone have any ideas? I'm sure it's just something simple I'm missing.
I ended up figuring it out, my project name had a space in it so I refactored it without that and updated my CMake accordingly. I also had to add the target_link_libraries below the add_executable line. Example of my working CMakeLists below:
cmake_minimum_required(VERSION 3.12)
project(FinalProject)
set(CMAKE_CXX_STANDARD 11)
# Set OpenSSL dir, this *should* be default on linux/mac
set(OPENSSL_INCLUDE_DIR /usr/local/opt/openssl/bin/openssl)
# Get OpenSSL
find_package(OpenSSL REQUIRED)
# Get cppRestSDK
find_package(cpprestsdk REQUIRED)
# Compile + Link
add_executable(FinalProject main.cpp)
target_link_libraries(FinalProject PRIVATE cpprestsdk::cpprest)
I want to start a computer vision project using an r200 and OpenCV. I'm using the legacy librealsense library and i've ran the examples on it successfully.
Unfortunately i'm new to C++ and Cmake so i'm struggling to import things appropriately.
My project structure looks like:
-Project
-build
-librealsense //this is the directory that contains the code to run the r200
-main.cpp //my main working file
-CMakeLists.txt //what i'm working on
my CMakeLists.txt runs successfully when i execute ../ cmake from the build directory and it looks like this:
cmake_minimum_required(VERSION 3.10)
project(Project)
set(CMAKE_CXX_STANDARD 11)
find_package( OpenCV REQUIRED )
include_directories( ${OpenCV_INCLUDE_DIRS} )
add_subdirectory(librealsense)
# add the executable
add_executable(Project main.cpp librealsense/examples/example.hpp)
target_link_libraries( Project ${OpenCV_LIBS})
target_link_libraries(Project realsense2)
Note that at the moment i'm just trialing code from the examples and that librealsense/examples/example.hpp is the relative path to one of the example.hpp headers used in the example that i'm copying.
The imports that i'm using in main.cpp are as follows:
#include <librealsense2/rs.hpp>
#include "librealsense/examples/example.hpp"
#include <opencv2/opencv.hpp>
using namespace std;
using namespace cv;
It responds with a very verbose error message that ends with the following:
...
"_rs2_start_processing", referenced from:
void rs2::processing_block::start<rs2::frame_queue>(rs2::frame_queue) in main.cpp.o
"_rs2_stream_to_string", referenced from:
texture::show(rect const&) const in main.cpp.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make[2]: *** [Project] Error 1
make[1]: *** [CMakeFiles/Project.dir/all] Error 2
make: *** [all] Error 2
My question is how do I actually import OpenCV and the librealsense libraries!!!
Any direction to good guides for this and CMake would make me forever grateful!
I've been working on a project in CLion for quite some time now (over a month). All of a sudden, CLion will not build all of my files... When I run my program, my messages build looks like this:
Scanning dependencies of target main.cpp
[ 11%] Building CXX object CMakeFiles/main.cpp.dir/Custom_Types.cpp.o
[ 22%] Linking CXX executable ../bin/main.cpp
ld: library not found for -l*.cpp
clang: error: linker command failed with exit code 1 (use -v to see
invocation)
make[3]: *** [../bin/main.cpp] Error 1
make[2]: *** [CMakeFiles/main.cpp.dir/all] Error 2
make[1]: *** [CMakeFiles/main.cpp.dir/rule] Error 2
make: *** [main.cpp] Error 2
Great... what the flippin fireworks is going on? This is what my CMake looks like...
cmake_minimum_required(VERSION 3.7)
project(Crazy_Sniper)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/bin")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14 -fpermissive")
find_package (OpenGL REQUIRED)
find_package (GLUT REQUIRED)
include_directories(${OPENGL_INCLUDE_DIR} ${GLUT_INCLUDE_DIRS})
file(GLOB SOURCE_FILES
*.cpp
*.h
)
add_executable(main.cpp ${SOURCE_FILES} Custom_Types.cpp)
target_link_libraries (main.cpp ${OPENGL_LIBRARIES} ${GLUT_LIBRARIES}
mdl pthread)
Does anyone know what the problem is? I've looked through countless forums, and I cannot seem to find someone with a similar problem. Any help would be much appreciated.
Update! I've managed to get CLion to build my files, but main still does nothing... I try simply printing something out, and the console does nothing. I get an error code 11 for some reason...?
Thank you!
I'm trying to write a simple program with GLFW and GLEW, and while I could successfully add the needed GLFW libraries I can't do the same with the GLEW ones.
I'm totally new to CMAKE so I don't know what I should do differently. I am using CLion btw. Thanks in advance!
cmake_minimum_required(VERSION 3.3)
project(OpenGLHelloWorld)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
set(SOURCE_FILES main.cpp)
add_executable(OpenGLHelloWorld ${SOURCE_FILES})
add_subdirectory(../glfw-3.1.2 ${CMAKE_CURRENT_BINARY_DIR}/glfw_bin)
include_directories(../glfw-3.1.2/include)
target_link_libraries(OpenGLHelloWorld glfw ${GLFW_LIBRARIES})
ADD_DEFINITIONS(-DGLEW_STATIC)
include_directories(../glew-1.13.0/include)
link_libraries(../glew-1.13.0/lib)
And the cpp file:
#include <GL/glew.h>
#include <GLFW/glfw3.h>
#include <stdio.h>
using namespace std;
int main() {
if(!glewInit()) {
fprintf(stderr, "Could not start GLFW3\n");
}
return 0;
}
And the error:
undefined reference to `glewInit#0'
collect2.exe: error: ld returned 1 exit status
CMakeFiles\OpenGLHelloWorld.dir\build.make:97: recipe for target 'OpenGLHelloWorld.exe' failed
mingw32-make.exe[3]: *** [OpenGLHelloWorld.exe] Error 1
mingw32-make.exe[2]: *** [CMakeFiles/OpenGLHelloWorld.dir/all] Error 2
mingw32-make.exe[1]: *** [CMakeFiles/OpenGLHelloWorld.dir/rule] Error 2
CMakeFiles\Makefile2:66: recipe for target 'CMakeFiles/OpenGLHelloWorld.dir/all' failed
CMakeFiles\Makefile2:78: recipe for target 'CMakeFiles/OpenGLHelloWorld.dir/rule' failed
Makefile:161: recipe for target 'OpenGLHelloWorld' failed
mingw32-make.exe: *** [OpenGLHelloWorld] Error 2
You didn't link your compiled code to glew.
target_link_libraries(OpenGLHelloWorld glfw ${GLFW_LIBRARIES} GLEW)
That should fix glew lib linking to your executable.
HTH.