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diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1c931e2..4987f2d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -485,25 +485,13 @@ endif(enable-openmp)
if(enable-gsl)
set(MGL_HAVE_GSL 1)
- find_library(GSL_LIB gsl)
- find_library(GSL_CBLAS_LIB gslcblas)
- find_path(GSL_INCLUDE_DIR gsl/gsl_fft_complex.h)
- if(NOT GSL_LIB OR NOT GSL_CBLAS_LIB OR NOT GSL_INCLUDE_DIR)
- message(SEND_ERROR "${GSL_LIB}")
- message(SEND_ERROR "${GSL_CBLAS_LIB}")
- message(SEND_ERROR "${GSL_INCLUDE_DIR}")
- message(SEND_ERROR "Couldn't find GSL libraries.")
- else(NOT GSL_LIB OR NOT GSL_CBLAS_LIB OR NOT GSL_INCLUDE_DIR)
- set(CMAKE_REQUIRED_INCLUDES ${GSL_INCLUDE_DIR})
- set(CMAKE_REQUIRED_LIBRARIES ${GSL_LIB} ${GSL_CBLAS_LIB})
- CHECK_CXX_SOURCE_COMPILES("#include <gsl/gsl_multifit_nlin.h>
- int main(){gsl_multifit_fdfsolver *s=0;gsl_matrix *J = 0;
- gsl_multifit_fdfsolver_jac(s, J);}" MGL_HAVE_GSL2)
- unset(CMAKE_REQUIRED_INCLUDES)
- unset(CMAKE_REQUIRED_LIBRARIES)
- endif(NOT GSL_LIB OR NOT GSL_CBLAS_LIB OR NOT GSL_INCLUDE_DIR)
- set(MGL_DEP_LIBS ${GSL_LIB} ${GSL_CBLAS_LIB} ${MGL_DEP_LIBS})
- include_directories(${GSL_INCLUDE_DIR})
+ find_package(GSL REQUIRED)
+ set(MGL_DEP_LIBS GSL::gsl GSL::gslcblas ${MGL_DEP_LIBS})
+ set(CMAKE_REQUIRED_LIBRARIES GSL::gsl GSL::gslcblas)
+ CHECK_CXX_SOURCE_COMPILES("#include <gsl/gsl_multifit_nlin.h>
+ int main(){gsl_multifit_fdfsolver *s=0;gsl_matrix *J = 0;
+ gsl_multifit_fdfsolver_jac(s, J);}" MGL_HAVE_GSL2)
+ unset(CMAKE_REQUIRED_LIBRARIES)
else(enable-gsl)
set(MGL_HAVE_GSL 0)
endif(enable-gsl)
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