From 423216915afc05f027f0471a984941d6b49e040f Mon Sep 17 00:00:00 2001
From: Michael Tremer <michael.tremer@ipfire.org>
Date: Thu, 26 Sep 2024 14:52:38 +0000
Subject: [PATCH] lua: Ensure that the testsuite is being executed with the
 correct version

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---
 Makefile.am                         | 10 +++++++++-
 configure.ac                        |  4 +++-
 tests/lua/{main.lua => main.lua.in} |  2 +-
 3 files changed, 13 insertions(+), 3 deletions(-)
 rename tests/lua/{main.lua => main.lua.in} (99%)

diff --git a/Makefile.am b/Makefile.am
index 33502fb..95e84e1 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -45,6 +45,7 @@ DISTCHECK_CONFIGURE_FLAGS = \
 
 SED_PROCESS = \
 	$(AM_V_GEN)$(MKDIR_P) $(dir $@) && $(SED) \
+	-e 's,@LUA_VERSION\@,$(LUA_VERSION),g' \
 	-e 's,@VERSION\@,$(VERSION),g' \
 	-e 's,@prefix\@,$(prefix),g' \
 	-e 's,@exec_prefix\@,$(exec_prefix),g' \
@@ -281,7 +282,14 @@ LUA_TESTS = \
 	tests/lua/main.lua
 
 EXTRA_DIST += \
-	$(LUA_TESTS)
+	tests/lua/main.lua.in
+
+CLEANFILES += \
+	tests/lua/main.lua
+
+tests/lua/main.lua: tests/lua/main.lua.in Makefile
+	$(SED_PROCESS)
+	chmod o+x $@
 
 # ------------------------------------------------------------------------------
 
diff --git a/configure.ac b/configure.ac
index 6ccadcf..af673a4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -217,11 +217,13 @@ AM_CONDITIONAL(ENABLE_LUA, test "$enable_lua" = "yes")
 AS_IF(
 	[test "$enable_lua" = "yes"], [
 		for lua in lua lua5.4 lua5.3 lua5.2 lua5.1; do
-			PKG_CHECK_MODULES([LUA], [${lua}],[break], [true])
+			PKG_CHECK_MODULES([LUA], [${lua}], [break], [true])
 		done
 
 		AX_PROG_LUA_MODULES([luaunit],, [AC_MSG_ERROR([Lua modules are missing])])
 
+		LUA_VERSION=$($PKG_CONFIG --variable=major_version ${lua})
+		AC_SUBST(LUA_VERSION)
 		LUA_INSTALL_LMOD=$($PKG_CONFIG --define-variable=prefix=${prefix} --variable=INSTALL_LMOD ${lua})
 		AC_SUBST(LUA_INSTALL_LMOD)
 		LUA_INSTALL_CMOD=$($PKG_CONFIG --define-variable=prefix=${prefix} --variable=INSTALL_CMOD ${lua})
diff --git a/tests/lua/main.lua b/tests/lua/main.lua.in
similarity index 99%
rename from tests/lua/main.lua
rename to tests/lua/main.lua.in
index 45c795b..a9a96d5 100755
--- a/tests/lua/main.lua
+++ b/tests/lua/main.lua.in
@@ -1,4 +1,4 @@
-#!/usr/bin/lua
+#!/usr/bin/lua@LUA_VERSION@
 --[[###########################################################################
 #                                                                             #
 # libloc - A library to determine the location of someone on the Internet     #
-- 
2.39.5