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-rw-r--r--Modules/FindGSL.cmake2
1 files changed, 1 insertions, 1 deletions
diff --git a/Modules/FindGSL.cmake b/Modules/FindGSL.cmake
index 446c3a8..76059b3 100644
--- a/Modules/FindGSL.cmake
+++ b/Modules/FindGSL.cmake
@@ -135,7 +135,7 @@ if( NOT GSL_VERSION )
# 2. If gsl-config is not available, try looking in gsl/gsl_version.h
if( NOT GSL_VERSION AND EXISTS "${GSL_INCLUDE_DIRS}/gsl/gsl_version.h" )
file( STRINGS "${GSL_INCLUDE_DIRS}/gsl/gsl_version.h" gsl_version_h_contents REGEX "define GSL_VERSION" )
- string( REGEX REPLACE ".*([0-9].[0-9][0-9]).*" "\\1" GSL_VERSION ${gsl_version_h_contents} )
+ string( REGEX REPLACE ".*([0-9]\\.[0-9][0-9]?).*" "\\1" GSL_VERSION ${gsl_version_h_contents} )
endif()
# might also try scraping the directory name for a regex match "gsl-X.X"