我有一个共用图书馆,该图书馆仅出口一个功能,其标记是__attribute__ ((可见(视))。 它还与另一个固定图书馆(前两个)链接,
#include<fftw3.h>
在此之前:
#pragma GCC visibility push(hidden)
使用的联系人指挥:
g++.exe -fvisibility=hidden -shared -o mylib.dll -Wl,--out-implib,mylib.dll.a -Wl,--no-whole-archive libfftw3.a libfftw3_omp.a -lgomp
现在,由此产生的图书馆是巨大的,如果我检查出口职能,它就包括过去的职能和我档案中的所有职能。 它视而不见可见的选择。 我读到,它曾就<代码>-fvisibility提出警告,但现在它没有任何警告汇编。
ming和cc4.6.1是否支持可见旗? 如果是的话,我如何在我的共用图书馆里消除所有不必要的 st?
Windows PE物体文档不具备可见性。 最近的是出口/进口商,但只有共享图书馆。 因此,你要么没有用<条码>表示FFTW的所有功能。 The Right Thing (tm), or You take care not tolink to FFTW iflinking with You Library.
它应当警示不知名的属性,或许需要改写警告等级:-Wall -Wextra -pedantic。
Mingw是海合会工具链的Windows港,但Windows dll不是so。 特别是 链接部分是不同的。 • 明确“千兆瓦”的可见度,你必须走“视窗”,并用:
__declspec(dllexport) while compiling the library __declspec(dllimport) while linking如果你想多管齐下的海合会工具链,你就可以在你的项目中为你增添一个标题。 举例来说,详细情况,看着海湾合作委员会的可见性指南。
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