--- build/pkgs/gsl/spkg-configure.m4.orig	2020-05-27 14:11:57 UTC
+++ build/pkgs/gsl/spkg-configure.m4
@@ -2,15 +2,6 @@ SAGE_SPKG_CONFIGURE([gsl], [
     m4_pushdef([SAGE_GSL_MINVER],["2.4"])
     SAGE_SPKG_DEPCHECK([atlas openblas], [
       PKG_CHECK_MODULES([GSL], [gsl >= $SAGE_GSL_MINVER], [
-        PKG_CHECK_VAR([GSLPCDIR], [gsl], [pcfiledir], [
-          GSL_PC="$GSLPCDIR"/gsl.pc
-          AC_SUBST([SAGE_SYSTEM_FACADE_PC_FILES])
-          AS_VAR_APPEND([SAGE_SYSTEM_FACADE_PC_FILES], [" \$(SAGE_PKGCONFIG)/gsl.pc"])
-          AC_SUBST([SAGE_GSL_PC_COMMAND],["\$(SED) -e 's/\$\${GSL_CBLAS_LIB}//' -e \"s/^GSL_CBLAS_LIB=.*/Requires: cblas/\" \"$GSL_PC\" > \"\$(@)\""])
-        ], [
-        AC_MSG_WARN([Unable to locate the directory of gsl.pc. This should not happen!])
-       sage_spkg_install_gsl=yes
-       ])
       ], [sage_spkg_install_gsl=yes])
     ])
     m4_popdef([SAGE_GSL_MINVER])