configure.ac: Update dependency from gsl 1.12 to 1.13

Until version 1.13 gsl_matrix_free would crash when passed NULL.

Reported-by: Frans Houweling <fhouweling@email.it>

diff --git a/configure.ac b/configure.ac
index 81f00b9883a9c6f09e0e50257c8b02a38d17756b..7c13f55c40abeb5edbe95c24a97afbc09fae75d1 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -241,8 +241,8 @@ AC_SUBST([WITH_PERL_MODULE])
 AM_CONDITIONAL(WITH_PERL_MODULE, test $WITH_PERL_MODULE = yes)
 
 AC_SEARCH_LIBS([cblas_dsdot], [gslcblas],,[PSPP_REQUIRED_PREREQ([libgslcblas])])
-PKG_CHECK_MODULES([GSL], [gsl >= 1.12], [],
-                        AC_SEARCH_LIBS([gsl_linalg_cholesky_invert], [gsl],,[PSPP_REQUIRED_PREREQ([gsl 2.0 version 1.12 or later])]))
+PKG_CHECK_MODULES([GSL], [gsl >= 1.13], [],
+                        AC_SEARCH_LIBS([gsl_poly_eval_derivs], [gsl],,[PSPP_REQUIRED_PREREQ([gsl version 1.13 or later])]))
 
 
 PSPP_GSL_NEEDS_FGNU89_INLINE