Questions tagged [dynamic-library]
Compiled binaries capable to be loaded in the process address space in runtime.
dynamic-library
483
questions
670
votes
34
answers
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views
iOS app with framework crashed on device, dyld: Library not loaded, Xcode 6 Beta
This crash has been a blocking issue I used the following steps to reproduce the issue:
Create a Cocoa Touch Framework project
Add a swift file and a class Dog
Build a framework for device
Create a ...
- 26.4k
238
votes
3
answers
100k
views
Library? Static? Dynamic? Or Framework? Project inside another project
I have an existing iOS app and want to add a large chunk of code that I've been developing as another project just for ease of testing. The new chunk basically deals with saving an image to various ...
- 3,909
166
votes
5
answers
106k
views
Why do we use use_frameworks! in CocoaPods?
I have used use_frameworks! in CocoaPods Podfile many times. I just wonder why do we use it? I couldn't get the straight forward answer of it.
Example:
platform :ios, '8.0'
use_frameworks!
target &...
- 1,661
151
votes
3
answers
41k
views
When should we use "embedded binaries" rather than "Linked Frameworks" in Xcode?
There is a good question about the difference between those two options as described in Link Binary with libraries VS Embed Frameworks.
Seems like we have options to use them both, just wonder which ...
- 125k
142
votes
20
answers
594k
views
PHP Warning: PHP Startup: Unable to load dynamic library
I run a PHP script and get this error:
PHP Warning: PHP Startup: Unable to load dynamic library '/usr/local/lib/php/extensions/no-debug-non-zts-20090626/ixed.5.2.lin' - /usr/local/lib/php/...
- 1,421
137
votes
3
answers
56k
views
Difference between framework and static library in xcode4, and how to call them
I am quite new to xcode and objective-c. I want to ask a very basic question.
I saw that when "linking binary to libraries" in project settings, there are differences about framework and libraries, ...
- 9,767
135
votes
4
answers
56k
views
"Do Not Embed", "Embed & Sign", "Embed Without Signing". What are they?. What they do?
We have 3 new options in "Frameworks, Libraries, and Embedded Content" section of Xcode11 Beta for adding libraries.
Xcode Libraries section screenshot
Can anyone explain what they do?
- 3,039
120
votes
5
answers
48k
views
iOS Static vs Dynamic frameworks clarifications
I have to admit that with the release of iOS 8 I am a bit confused about dynamic and static frameworks in iOS.
I am looking for a way to distribute a library that I created, and I need to support iOS ...
- 5,733
86
votes
3
answers
19k
views
Link Binary with libraries VS Embed Frameworks
What's the difference in the build phases between putting a framework in "Link binary with libraries" or in "Embed frameworks"?
- 1,562
69
votes
15
answers
60k
views
Xcode 6 and Embedded Frameworks only supported in iOS8
When using an embedded framework (dyld) in Xcode 6.0.1 with deployment target less that iOS 8 I get:
Build is successful
Runtime library loading error
Error:
dyld: Library not loaded: @rpath/...
- 15.9k
51
votes
6
answers
94k
views
Could not load dynamic library 'libnvinfer.so.6'
I am trying to normally import the TensorFlow python package, but I get the following error:
Here is the text from the above terminal image:
2020-02-23 19:01:06.163940: W tensorflow/stream_executor/...
- 707
51
votes
2
answers
21k
views
CMake: how to produce binaries "as static as possible"
I would like to have control over the type of the libraries that get found/linked with my binaries in CMake. The final goal is, to generate binaries "as static as possible" that is to link statically ...
- 1,942
50
votes
11
answers
54k
views
Xcode 6 iOS Creating a Cocoa Touch Framework - Architectures issues
I'm trying to make a dynamic framework for an iOS app. Thanks to the new version of Xcode (6) we can select a Cocoa Touch Framework when we create a new project and there is no more need to add an ...
35
votes
3
answers
36k
views
Meaning of library dl in gcc
I'm checking a makefile, and see that the libraries used are:
LIBS = -lcppunit -ldl
lcppunit is the unit testing library. What is ldl then?
- 3,874
33
votes
5
answers
19k
views
Is there a downside to using -Bsymbolic-functions?
I recently discovered the linker option "-Bsymbolic-functions" in GNU ld:
-Bsymbolic
When creating a shared library, bind references to global symbols to the
definition within the shared library,...
31
votes
3
answers
24k
views
Linking Rust application with a dynamic library not in the runtime linker search path
I have a shared library that I'd like to dynamically link into several separate binary Cargo applications. I include its location in the linker using the -- -L /path/to/dir format and the application ...
- 2,467
27
votes
3
answers
32k
views
C++ Statically linked shared library
I have a shared library used by a another application beyond my control which requires *.so objects. My library makes use of sqlite3 which needs to be statically linked with it (I absolutely need a ...
- 1,138
26
votes
9
answers
58k
views
relocation against xxx in read-only section '.text' - wrong compiler or linux setup in SUSE?
I'm not a frequent user of Linux and I think I did something wrong.
This is the code for a test dynamic library ".so" I'm generating.
class InternalClass
{
public:
int Function(){ return ...
- 2,378
23
votes
1
answer
13k
views
Is the function 'dlopen()' private API?
I want use function 'dlopen()' to invoke a dynamic library on iOS platform, is the function 'dlopen()' private API?
- 321
19
votes
2
answers
5k
views
Singleton class in a static library
Suppose I have a singleton class S in a static library, this could be linked with the other dynamic libraries D1 D2 D3,
So from what I understand the class S will have a separate instance in each D1,...
- 1,825
19
votes
1
answer
7k
views
clang, change dependent shared library install name at link time
Related, but do not answer the question:
How do I modify the install name of a .dylib at build time
On OSX, I have a dynamic library provided by a packager manager, installed in a non
standard ...
- 1,981
19
votes
4
answers
8k
views
Difference between static and dynamic library in Xcode for iPhone
What is the difference between a static and dynamic library in XCode? And why doesn't Apple allow us to use dynamic libraries in our iOS applications?
- 673
18
votes
2
answers
29k
views
MacOS -- how to link a dynamic library with a relative path using gcc/ld
If you are trying to understand dynamic linking, this question is likely to be of interest.
One of the answers to that question provides a wonderful example of creating and using a dynamic library. ...
- 27k
16
votes
1
answer
16k
views
Can I export functions of a static library when building a dynamic library linking against that static library?
On win32, I built a dynamic library called A.dll which linked against a static library called B.lib, and also built a executable called C.exe which only dependent on A.dll.
But now, in C.exe if I ...
- 757
14
votes
2
answers
6k
views
Global variables, shared libraries and -fPIC effect
I made a piece of code which consists in a dynamic library (lib.c), and a main executable (main.c).
In both files I define a global variable named: int global.
Not very smart but it's not the question....
- 2,120
13
votes
1
answer
2k
views
Load a Mac binary as a dynamic library
I am doing some reverse engineering with a binary executable without sources. On Windows what I can do is load an executable file (EXE) with LoadLibrary, just as it was a DLL file. If the loaded file ...
- 7,329
11
votes
2
answers
13k
views
Python ctypes return values question
Why if i have this simple code
void voidFunct() {
printf("voidFunct called!!!\n");
}
I compile it as a dynamic library with
gcc -c LSB.c -o LSB.o
gcc -shared -Wl -o libLSB.so.1 LSB.o
And i ...
- 3,951
11
votes
3
answers
4k
views
Manually call a rust dynamic library
I'm currently playing around with DynamicLibrary.
The code of my dynamic library (compiled with rustc --crate-type dylib dylib.rs):
// dylib.rs
#[no_mangle]
pub fn minicall() -> u8 {
3u8
}
...
- 14.6k
11
votes
0
answers
7k
views
Debugging a dynamically-loaded library with gdb
I am trying to debug an application which loads dynamic libraries as plugins, and experiencing problems with gdb to locate the source files and put breakpoints at the source level.
I build a dynamic ...
- 3,657
11
votes
3
answers
890
views
Xcode Creating a framework that has cocoapods dependencies
I'm currently developing a framework for internal usage, but I'm having trouble getting it to play nicely. The issue i seem to be having is that the framework uses cocoapods for some of its ...
- 1,937
10
votes
1
answer
4k
views
What's the meaning of dylib files?
My C++ compiler creates "dylib" files which contain dynamic libraries. Whats the difference between .dylib and .so files?
And what is the difference between files in Mach-O format and files in an ...
- 771
10
votes
2
answers
1k
views
Tricky error using OpenMP in function loaded from dynamic libraries
My question concerns the use of OpenMP in C++ functions stored in dynamic libraries. Let's consider the following code (in shared.cpp):
#include "omp.h"
#include <iostream>
extern "C" {
int ...
- 109
9
votes
4
answers
13k
views
Compiling Lua - create .so files?
I am compiling Lua 5.2.3 on Centos 6.5, and the compilation / install works fine.
However, I also need the development libraries for another program to compile. I would usually install these by doing ...
- 637
8
votes
7
answers
5k
views
Dynamic Libraries, plugin frameworks, and function pointer casting in c++
I am trying to create a very open plugin framework in c++, and it seems to me that I have come up with a way to do so, but a nagging thought keeps telling me that there is something very, very wrong ...
- 12.6k
8
votes
2
answers
12k
views
Why I receive error LNK1561 "Entry point must be defined" when I compile a DLL Project?
I try to compile a very simple dynamic library project as .dll file.
The name of the project is "Library".
I'm using Visual Studio 2015 and the project properties are these:
Debug Properties
Release ...
- 414
8
votes
1
answer
10k
views
Create STATIC and SHARED libraries with Clang
What is the minimal commmand line way to create an static and a dynamic library with Clang under Linux and Windows, and then, link it against an executable?
Suppose the project contains a main.cpp ...
- 1,933
8
votes
1
answer
3k
views
How to create a Dynamic Library in D?
I want to create a Dynamic library (cross-platform) in D, so I did some Googling. After some time I found this page. I am absolutely stunned by how much complexities there are in writing, compiling ...
- 15.9k
8
votes
3
answers
14k
views
dlopen() error image not found
I have software that first loads a .dylib lets call libFirst.dylib using the following command:
void* handle = dlopen(path.c_str(), RTLD_LAZY | RTLD_GLOBAL);
Later on inside a function from the ...
- 5,792
8
votes
2
answers
5k
views
Sharing swift code over multiple projects
So we have a few projects that share code, and they have to remain compatible to at least iOS7 for now.
Currently we use local cocoapods to share code between different applications. This has the ...
- 8,330
8
votes
1
answer
1k
views
Xcode 7.2 Dynamic Framework 32 bit device error
We've a large project having multiple apps, So we've moved common code into single dynamic framework. So far running fine on 64 bit devices, but having a crash on 32 bit devices as follow:
dyld: ...
- 37.6k
7
votes
6
answers
16k
views
How can I create objective-C Framework for iOS Application
I am in the middle of creating some generic classes that can be reusable for lot of application.
For Eg: Share Functions - if we need this functionality in a project then we currently I need to add ...
- 9,202
7
votes
2
answers
43k
views
C++ linux: dlopen can't find .so library
Reworded Question (although it's been solved already):
I've been having trouble using dlopen(3) to load a shared object library on linux. The library is part of a system of libraries built by me ...
- 2,828
7
votes
2
answers
14k
views
Xcode linking against static and dynamic library
I have some problems with linking my macOS app against C libraries.
I have several question related to this issue.
It is better to link app against dynamic or static libraries taking into account ...
- 11.2k
7
votes
2
answers
26k
views
How Do I Create a Development Framework In iOS Including Swift?
My goal in this was to create an iOS framework that incorporates both Swift and Objective-C that I could use in my development projects. The nature of this framework is that the framework itself is ...
- 7,456
7
votes
3
answers
3k
views
C++: Implement custom Main function
WinMain is a function that 'replaces' the default main entry point 'main'.
The user can then define its main entry point like
int WINAPI WinMain(...) { }
How is this kind of encapsulation done?
...
- 14.6k
7
votes
2
answers
13k
views
How to debug dylib with Xcode?
I have a Xcode project for library arith.
I could build it with debug configuration, and I need to debug it. How can I do that?
The ideal method would be to set up a test code to build an execution in ...
- 186k
7
votes
1
answer
6k
views
Embedding a .dylib inside a framework for iOS
I've been trying to submit a Swift app with an Obj-C Dynamic Library (.dylib) which keeps getting rejected by the iOS App Store with error messages such as
Invalid Swift Support - The files ...
- 3,625
7
votes
2
answers
26k
views
Setting LD_LIBRARY_PATH environment variable for loading a shared library at runtime (g++)
I'm having two problems related to the same issue:
I have a shared object saved in `pwd`/lib and while the executable that uses it compiles successfully (by using -l and -L switches), at runtime, it'...
- 916
7
votes
4
answers
5k
views
Size difference between static and dynamic (debug) library and impact on final exe
I never put much thought into the size difference between a static library and a dynamic library until I downloaded pre-built libraries of boost today. I found that the static libraries of boost are ...
- 16.9k
7
votes
2
answers
5k
views
How to compile ELF binary so that it can be loaded as dynamic library? [duplicate]
This is theoretical question. I am aware that perhaps best practice would be the use of shared libraries. But I ran into this question and cannot seem to find an answer anywhere.
How to construct the ...
- 2,898