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NSIS学习笔记（持续更新） - C/C++ - 清泛网 - 专注C/C++及内核技术
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// functions for accessing the variables and the stack.
void __declspec(dllexport) myFunction(HWND hwndParent, int string_size,
TCHAR *variables, stack_t **stacktop,
extra_parameters *extra)
{
g_hwndParent = hwndParent;
EXDLL_INIT();
//读取输入参数
WCHAR szComponent[256];
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Unresolved external symbol in object files
... which was referencing another dll. Found out that after adding _declspec(dllexport) in front of each function which was specified in the error message, the link was working well.
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How can I add reflection to a C++ application?
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I think you mean __declspec(dllexport) and you can retrieve the information from a the .map file if you enable creation of such during build.
– Orwellophile
Oct 10 '17 at 13:17
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How can I use a DLL file from Python?
...t and prints it.
#include <stdio.h>
extern "C" {
__declspec(dllexport)
void testDLL(const int i) {
printf("%d\n", i);
}
} // extern "C"
Building the DLL from the command line
To build a DLL with Visual Studio from the command line run
"C:\Program Files (x86)\Microsoft ...
Unresolved external symbol on static class members
...For me, the thing that I forgot was to mark my class definition __declspec(dllexport), and when called from another class (outside that class's dll's boundaries), I of course got the my unresolved external error.
Still, easy to forget when you're changing an internal helper class to a one accessible...
C++ mark as deprecated
...s all I got was a Microsoft specific solution; #pragma deprecated and __declspec(deprecated) .
7 Answers
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hidden symbol ... is referenced by DSO 剖析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...出：
#ifdef WIN32
#ifdef XXX_EXPORTS
#define XXX_API __declspace(dllexport)
#else
#define XXX_API __declspace(dllimport)
#endif
#define XXX_LOCAL
#else
#ifdef XXX_EXPORTS
#define XXX_API __attribute__ ((visibility("default")))
#else
#define XXX_API
#endif
#define XX...
How can I tell gcc not to inline a function?
... will define __TI_GNU_ATTRIBUTE_SUPPORT__)
Additionally, MSVC supports
__declspec(noinline)
back to Visual Studio 7.1. Intel probably supports it too (they try to
be compatible with both GCC and MSVC), but I haven't bothered to
verify that. The syntax is basically the same:
__declspec(noinline)
s...
How to initialize private static members in C++?
...file, but outside of the class declaration, using the Microsoft specific __declspec(selectany).
class A
{
static B b;
}
__declspec(selectany) A::b;
Note that I'm not saying this is good, I just say it can be done.
[1] These days, more compilers than MSC support __declspec(selectany) - at le...
How to enable C++11 in Qt Creator?
...make.conf:
Then at the line:
QMAKE_CFLAGS += -fno-keep-inline-dllexport
Edit :
QMAKE_CFLAGS += -fno-keep-inline-dllexport -std=c++11
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