SPDX-License-Identifier: GPL-3.0-or-later

Make static/shared initialization deterministic from the build system only.
Do not patch Scheme sources; rewrite generated gnutls.scm at build time.

--- guile-gnutls-v5.0.1/configure.ac
+++ guile-gnutls-v5.0.1/configure.ac
@@ -508,6 +508,7 @@
 fi
 
 AC_SUBST([maybe_guileextensiondir])
+AM_CONDITIONAL([ENABLE_SHARED], [test "x$enable_shared" != "xno"])
 AM_CONDITIONAL([HAVE_GUILD], [test "x$GUILD" != "x"])
 AM_CONDITIONAL([CROSS_COMPILING], [test "x$cross_compiling" = "xyes"])
 AM_CONDITIONAL(HAVE_GCC_GNU89_INLINE_OPTION, test "$gnu89_inline" = "yes"])
--- guile-gnutls-v5.0.1/guile/Makefile.am
+++ guile-gnutls-v5.0.1/guile/Makefile.am
@@ -43,9 +43,18 @@
 
 CLEANFILES = modules/gnutls.scm
 
+if ENABLE_SHARED
+scm_static_fixup =
+else
+scm_static_fixup =							\
+  -e "1,/(unless (getenv \"GNUTLS_GUILE_CROSS_COMPILING\")/s|(unless (getenv \"GNUTLS_GUILE_CROSS_COMPILING\")|(when #f|" \
+  -e "s|(unless (getenv \"GNUTLS_GUILE_CROSS_COMPILING\")|(when (module-variable (current-module) 'protocol/ssl3)|"
+endif
+
 .in.scm:
 	$(AM_V_GEN)$(MKDIR_P) "`dirname "$@"`" ; cat "$^" |		\
 	  $(SED) -e's|[@]maybe_guileextensiondir[@]|$(maybe_guileextensiondir)|g' \
+	  $(scm_static_fixup) \
 	  > "$@.tmp"
 	$(AM_V_at)mv "$@.tmp" "$@"
 
@@ -56,6 +65,7 @@
 
 if HAVE_GUILD
 
+if ENABLE_SHARED
 guilesiteccachesubdir = $(guilesiteccachedir)/gnutls
 nodist_guilesiteccache_DATA = modules/gnutls.go
 nodist_guilesiteccachesub_DATA = modules/gnutls/extra.go
@@ -94,6 +104,7 @@
 	  -o "$@" "$<" >&$$out
 
 SUFFIXES = .go
+endif ENABLE_SHARED
 
 endif HAVE_GUILD