--- build/pkgs/giac/spkg-configure.m4.orig	2021-03-16 21:40:45 UTC
+++ build/pkgs/giac/spkg-configure.m4
@@ -1,26 +1,8 @@
 SAGE_SPKG_CONFIGURE([giac], [
-    SAGE_SPKG_DEPCHECK([pari], [
-       dnl giac does not seem to reveal its patchlevel
-       m4_pushdef([GIAC_MIN_VERSION], [1.5.0])
-       m4_pushdef([GIAC_MAX_VERSION], [1.5.999])
-       AC_CACHE_CHECK([for giac >= ]GIAC_MIN_VERSION[, <= ]GIAC_MAX_VERSION, [ac_cv_path_GIAC], [
-         AC_PATH_PROGS_FEATURE_CHECK([GIAC], [giac], [
-            giac_version=$($ac_path_GIAC --version 2> /dev/null | tail -1)
-            AS_IF([test -n "$giac_version"], [
-                AX_COMPARE_VERSION([$giac_version], [ge], GIAC_MIN_VERSION, [
-                    AX_COMPARE_VERSION([$giac_version], [le], GIAC_MAX_VERSION, [
-                        ac_cv_path_GIAC="$ac_path_GIAC"
-                    ])
-                ])
-            ])
-         ])
-       ])
-       AS_IF([test -z "$ac_cv_path_GIAC"],
-             [sage_spkg_install_giac=yes])
+    SAGE_SPKG_DEPCHECK([glpk pari], [
        AC_CHECK_HEADER([giac/giac.h], [
         AC_SEARCH_LIBS([ConvertUTF16toUTF8], [giac], [
         ], [sage_spkg_install_giac=yes])
        ], [sage_spkg_install_giac=yes])
-       m4_popdef([GIAC_MIN_VERSION])
     ])
 ])