I have a solution consisting of 3 projects. One is a static library, and two are console-based .exe files that depend on and link against this library. Their settings seem to be identical. I build one of them:
1>------ Build started: Project: masksample, Configuration: Debug Win32 ------
1>Compiling...
1>stdafx.cpp
1>Compiling...
1>masksample.cpp
1>Compiling manifest to resources...
1>Linking...
1>LINK : C:\Users\DarekSz\Praca\cci\Debug\masksample.exe not found or not built by the last incremental link; performing full link
1>Embedding manifest...
1>masksample - 0 error(s), 0 warning(s)
========== Build: 1 succeeded, 0 failed, 1 up-to-date, 0 skipped ==========
Then I go on to building the other:
1>------ Build started: Project: calibsample, Configuration: Debug Win32 ------
1>Compiling...
1>stdafx.cpp
1>Compiling...
1>calibsample.cpp
1>Compiling manifest to resources...
1>Linking...
1>LINK : C:\Users\DarekSz\Praca\cci\Debug\calibsample.exe not found or not built by the last incremental link; performing full link
1> Creating library C:\Users\DarekSz\Praca\cci\Debug\calibsample.lib and object C:\Users\DarekSz\Praca\cci\Debug\calibsample.exp
1>Embedding manifest...
1>calibsample - 0 error(s), 0 warning(s)
========== Build: 1 succeeded, 0 failed, 1 up-to-date, 0 skipped ==========
Why does the linker create the .lib and .exp files this time? Is there some option to turn this on and off that I activated without knowing about it?
It's a bit late but, maybe someone else could find useful this hint.
BTW I'm not a c++ guru...
In my solution i have 3 projects. One is a dll project, the others are two Win32 app projects referencing the dll project.
Usually, with your dll built, you have also some others file generated (.exp, .lib) also for the NON dll projects. This can occour when you include a .h file of the dll project, into the app project, which contains a class marked with __declspec(dllexport).
To avoid the linker think your are trying to include some .h files to "export" use a conditional expression to define your _declspec macro.
Example:
#if defined(_DO_NOT_EXPORT)
#define DllExport
#else
#define DllExport __declspec(dllexport)
#endif
Ok, let's say you have a MyClass.h in your dll project.
in your .h file you could have now:
class DllExport MyClass {
...
}
When you want to include this .h file into a NON dll project, you have simply to define the _DO_NOT_EXPORT condition
#define _DO_NOT_EXPORT
#include "MyClass.h"
This is normal if one or more functions is/are exported from your executable.
Related
I'm trying to make a shared library, in Linux, which is a *.so. My DMD version is 2, latest. I'm just trying yo compile a simple empty shared library, with the code that Mono-D(plugin for MonoDevelop) creates. When I try to compile it, it tells me to check the build log, this is what's in the build log:
Building Solution: QScr (Debug)
Building: QScr (Debug)
Performing main compilation...
Current dictionary: /home/nafees/Desktop/Projects/QScr/QScr
dmd -debug -gc "myclass.d" "dllmain.d" "-I/usr/include/dmd" "-L/IMPLIB:/home/nafees/Desktop/Projects/QScr/QScr/bin/Debug/libQScr.a" "-odobj/Debug" "-of/home/nafees/Desktop/Projects/QScr/QScr/bin/Debug/libQScr.so" -w -vcolumns
/usr/bin/ld: cannot find /IMPLIB:/home/nafees/Desktop/Projects/QScr/QScr/bin/Debug/libQScr.a: No such file or directory
collect2: error: ld returned 1 exit status
--- errorlevel 1
Exit code 1
Build complete -- 1 error, 0 warnings
---------------------- Done ----------------------
Build: 1 error, 0 warnings
This is what dllmain contains:
module dllmain;
And in myclass.d:
module myclass;
class MyClass
{
//TODO: Enter class code here
}
export:
extern(D):
MyClass createMyClass()
{
return new MyClass();
}
I have no idea what is that a file, I'm still fairly new to D, and Linux.
How do I get it to compile? And could someone explain to me what is an .a file?
EDIT: No, it's not a duplicate, I'm trying to compile, while that question is about loading libraries.
EDIT2: I checked the directory, the .a file doesn't exist.
/usr/bin/ld: cannot find /IMPLIB:/home/nafees/Desktop/Projects/QScr/QScr/bin/Debug/libQScr.a: No such file or directory
/IMPLIB is a Windows linker switch. Your IDE is misconfigured (or just buggy).
Try changing the project settings in the IDE or filing a bug against the IDE.
Few things.
extern(D) would not be needed for free functions since it is default
You don't need createMyClass function at all, new will work fine
-shared must be passed to dmd for it to create a shared library
In case you didn't know, you will be passing the files in the shared library as import files when compiling the host binary.
1>------ Build started: Project: Setup, Configuration: Debug Win32 ------
1>BoxDemo.obj : error LNK2019: unresolved external symbol _D3DX11CreateEffectFromMemory#24 referenced in function "private: void __thiscall BoxApp::BuildFX(void)" (?BuildFX#BoxApp##AAEXXZ)
1>C:\Users\Josh\Documents\Game Institute\DirectX\Chapter 1\Projects\Setup\Debug\Setup.exe : fatal error LNK1120: 1 unresolved externals
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========
I'm using VS2012 and trying to setup DX11 using a sample program from Frank D Lunas DX11 book. I have no idea what this error message means, any help would be appreciated.
1>------ Build started: Project: Setup, Configuration: Debug Win32 ------
1>Effects11d.lib(EffectAPI.obj) : error LNK2019: unresolved external symbol _D3DCompileFromFile#36 referenced in function _D3DX11CompileEffectFromFile
1>C:\Users\Josh\Documents\Game Institute\DirectX\Chapter 1\Projects\Setup\Debug\Setup.exe : fatal error LNK1120: 1 unresolved externals
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========
Linker cannot find definition of D3DX11CreateEffectFromMemory function. This function is a part of Effects11 framework. And you need to link Effects11.lib to build this program.
Previously, to develop DirectX apps, you must have been DirectX SDK installed.
Now that stand-alone DirectX SDK concerned legacy and now it is a part of Windows SDK (since version 8.0). You`ve got it when installed Visual Studio 2012.
The problem is now this SDK version doesn't include Effect11 framework, among other things.
There are several ways to fix this problems:
Download and install legacy DirectX SDK. When compiling you will get some warnings, because of conflicting old DirectX SDK and new Windows SDK. To solve this you can switch to your project to v110xp toolset or install Windows 7 SDK and switch to v100 in project's options.
In case of this sample program, Mr. Luna included compiled libs in Common folder of source code archive. But I'm not sure if it will work with Win8 SDK.
Correct source code and strip out Effect11 stuff. If you just learning DirectX, it is not easy way.
Some more explanation from Chuck Walbourn - MSFT:
Where is the DirectX SDK?
Effects for Direct3D 11 Update
I am working a project that uses the Discrete Gaussian Image Filter within ITK. I am using CMake to automate the build process but it seems that CMake is leaving out certain ITK libraries during the configuration/generate step. I am currently using other headers in the ITK library without any issue. There are no configuration error messages in CMake for the project.
The CMakeLists.txt for my project:
#PROJECT(REGISTRATION)
#
# List of source files
CMAKE_MINIMUM_REQUIRED(VERSION 2.8)
# Top of file: the name of the program
PROJECT(MultiObjModelToUSReg)
INCLUDE_REGULAR_EXPRESSION("^.*$")
FIND_PACKAGE( ITK REQUIRED)
IF( ITK_FOUND )
INCLUDE( ${USE_ITK_FILE} )
ENDIF( ITK_FOUND )
# Directories to search for #include (add more if needed)
# (ITK is already included through the use of INCLUDE(${ITK_USE_FILE})
INCLUDE_DIRECTORIES(
${CMAKE_CURRENT_SOURCE_DIR}
src
)
# Name of the executable
#SET(MultiObjModelToUSReg MultiObjModelToUSReg_EXE)
# All source files (only .cxx, not .h or .txx)
SET(MultiObjModelToUSReg_SRCS
src/Utilities.cpp
src/MultiObjModel.cpp
src/USVolume.cpp
src/Registration.cpp
src/BoneProbabilityMap.cpp
#src/MultiObjModelToUSRegistration.cpp
#src/USRegistrationDialog.cpp
#src/MainPanel.cpp
#src/ModelRegistration.cxx
)
#only .h files that use QT_ macros!
#SET(MultiObjModelToUSReg_HEADERS
#src/USRegistrationDialog.h
#src/MainPanel.h
#src/ModelRegistration.h)
#SET(MultiObjModelToUSReg_FORMS
##ui/USRegistrationDialog.ui
##ui/MainPanel.ui
#ui/ModelRegistration.ui)
#SET(MultiObjModelToUSReg_RESOURCES)
# These two lines will compile and link your executable
#ADD_EXECUTABLE(MultiObjModelToUSReg
#${MultiObjModelToUSReg_EXE}
#${MultiObjModelToUSReg_SRCS}
#${MultiObjModelToUSReg_HEADERS_MOC}
#${MultiObjModelToUSReg_FORMS_HEADERS}
#${MultiObjModelToUSReg_RESOURCES_RCC}
#)
ADD_LIBRARY(MultiObjModelToUSReg STATIC ${MultiObjModelToUSReg_SRCS})
TARGET_LINK_LIBRARIES(MultiObjModelToUSReg ${ITK_LIBRARIES} )
INCLUDE_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR})
ENABLE_TESTING()
INCLUDE(CTEST)
IF (BUILD_TESTING)
ADD_SUBDIRECTORY (Test)
ENDIF (BUILD_TESTING)
CMake's error-free output:
Check for working C compiler using: Visual Studio 9 2008
Check for working C compiler using: Visual Studio 9 2008 -- works
Detecting C compiler ABI info
Detecting C compiler ABI info - done
Check for working CXX compiler using: Visual Studio 9 2008
Check for working CXX compiler using: Visual Studio 9 2008 -- works
Detecting CXX compiler ABI info
Detecting CXX compiler ABI info - done
Configuring done
Generating done
However, when I compile in Visual C++ 2008:
1>------ Build started: Project: MultiObjModelToUSReg, Configuration: Debug Win32 ------
1>Compiling...
1>BoneProbabilityMap.cpp
1>..\src\BoneProbabilityMap.cpp(8) : fatal error C1083: Cannot open include file: 'itkDiscreteGaussianImageFilter.h': No such file or directory
1>Build log was saved at "file://c:\MultiObjModelToUSReg\bin\MultiObjModelToUSReg.dir\Debug\BuildLog.htm"
1>MultiObjModelToUSReg - 1 error(s), 0 warning(s)
2>------ Skipped Build: Project: ALL_BUILD, Configuration: Debug Win32 ------
2>Project not selected to build for this solution configuration
========== Build: 0 succeeded, 1 failed, 12 up-to-date, 1 skipped ==========
While there is a workaround to manually it into the project's configuration, I will need to collaborate with others so it would be ideal to have the build process automated.
Any help would be greatly appreciated! (I am quite new to Stackoverflow, please let me know if I made anything unclear).
You need to build ITK with ITK_BUILD_ALL_MODULES=ON.
I wrote an app with luajit and lua-iup, and link my app with static libs. But I got the following error:
------ Build started: Project: ConsoleApplication1, Configuration: Release Win32 ------
Creating library C:\Users\root\Documents\Visual Studio 2012\Projects\ConsoleApplication1\Release\ConsoleApplication1.lib and object C:\Users\root\Documents\Visual Studio 2012\Projects\ConsoleApplication1\Release\ConsoleApplication1.exp
iup.lib(iupwindows_main.obj) : error LNK2001: unresolved external symbol _main
C:\Users\root\Documents\Visual Studio 2012\Projects\ConsoleApplication1\Release\ConsoleApplication1.exe : fatal error LNK1120: 1 unresolved externals
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========
Am I missing some libs and any idea about this?
As far as I know, IUP's Lua bindings are partially written in Lua. That wouldn't ordinarily be a problem, except that the Lua parts are compiled into the library as pre-compiled bytecode. Lua bytecode and LuaJIT bytecode are different.
The right answer is to change IUP so that it builds with Lua source compiled in rather than bytecode. That will conceivably slow down the startup of an IUP application, but it will make it easier to cross compile IUP and make it possible to use LuaJIT instead of standard Lua.
Here is the answer form the author of IUP, hope this would be helpful to someone that met the same problem as me
It seems that you are building a console application. This means you
need a “main” function. If you try instead to build a Windows
application without a console, then IUP will implement the WinMain
function for you and call your “main” function. In both cases you need
the “main” function.
So I'm attempting to build something:
1>------ Build started: Project: some_project, Configuration: Release Win32 ------
1>Linking...
1>LINK : fatal error LNK1104: cannot open file 'CGAL-vc90-mt.lib'
1>Build log was saved at "file://c:\Users\Whoever\Documents\some_project\some_project.dir\Release\BuildLog.htm"
1>some_project - 1 error(s), 0 warning(s)
========== Build: 0 succeeded, 1 failed, 1 up-to-date, 0 skipped ==========
I have a CGAL-vc90-mt.lib but I don't know where in the directory tree to drop it in so the build process above can find it. I don't even know where to look to find out where it expects to find it presently.
Thanks for any help.
In the project settings, then "Configuration Properties" then "Linker" then "General" and add the directory where your lib file is in the "additionnal library directories".
This is from visual c++ 2010, but I am quite confident it similar in vc 2008.