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FindGSL: Fix gl_version.h extraction regex

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Fix the regex to match versions with only two digits, such as `2.3`.
This commit is contained in:
Igor Peschinskiy
2017-02-01 12:54:17 +03:00
committed by Brad King
parent 1f8da86115
commit 88c4576be4
1 changed files with 1 additions and 1 deletions
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Modules/FindGSL.cmake
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@@ -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"