I'm using Qt 5.8 and gsl 2.1 (compiled with cygwin64). This is what I use in the .pro file to link gsl:
INCLUDEPATH+=C:/gsl/include/
INCLUDEPATH += C:/gsl/LIBS
LIBS += -LC:/gsl/lib -lgsl -lgslcblas -lm
When I include the headers and compile, I don't have any problem, even when I declare and object. But when I try to use any function I get this error:
C:\Users\CIFAS-1\untitled4\mainwindow.cpp:9: error: undefined reference to `gsl_matrix_alloc'.
我已经解决了问题,我在这里https://code.google.com/archive/p/gsl-w32/downloads找到了mingw32的gsl编译版本,它是另一个版本,但是效果很好。
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