From 64b024858ecb68ca89008325c33f73f12a0c2abc Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Sun, 20 Mar 2022 17:55:33 -0400
Subject: Add --disable-tests to shrink executable size

---
(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 011b7d5..335b927 100644
--- a/configure.ac
+++ b/configure.ac
@@ -54,6 +54,31 @@ if ${funcs_missing}; then
 	AC_MSG_ERROR([required functions are missing])
 fi
 
+AC_ARG_ENABLE([tests],
+	[AS_HELP_STRING([--enable-tests],
+		[include test suite support in executable])],
+	[case "${enableval}" in yes|no) tests=${enableval};;
+		*) AC_MSG_ERROR(
+			[bad value ${enableval} for tests option]);;
+	esac],
+	[
+		tests=no
+		test -d "${srcdir}/.git" && tests=yes
+	]
+)
+if test x"${tests}" = x'yes'; then
+	AC_DEFINE([ENABLE_TESTS], [1],
+		[Define to 1 to include test suite support])
+	AC_CHECK_FUNCS(
+		[strtol],
+		[],
+		[AC_MSG_ERROR([required functions are missing])])
+else
+	AC_DEFINE([ENABLE_TESTS], [0],
+		[Define to 1 to include test suite support])
+fi
+AM_CONDITIONAL([ENABLE_TESTS], [test x"${tests}" = x'yes'])
+
 AX_CFLAGS_WARN_ALL()  dnl Adds -Wall or equivalent
 AX_CHECK_COMPILE_FLAG([-Wpedantic], [AX_APPEND_FLAG([-Wpedantic])])
 AX_CHECK_COMPILE_FLAG([-Wextra],    [AX_APPEND_FLAG([-Wextra])])
--
cgit v0.9.1