From: Gerhard Sittig <redacted>
Date: Sat, 22 Feb 2020 05:09:35 +0000 (+0100)
Subject: configure: add AC_C_CONST to configure.ac
X-Git-Url: https://sigrok.org/gitweb/?p=libsigrokdecode.git;a=commitdiff_plain;h=4342689729bd3ea70209604b34af0a7c641b80cc

configure: add AC_C_CONST to configure.ac

This is inspired by the autobook sections on Windows DLL builds.
https://www.sourceware.org/autobook/autobook/autobook_137.html

The AC_C_CONST macro improves support for the C language 'const'
decoration in case the compiler does not understand it.
---

diff --git a/configure.ac b/configure.ac
index d59e0be..3a8b163 100644
--- a/configure.ac
+++ b/configure.ac
@@ -40,6 +40,8 @@ AC_PROG_CC
 AC_PROG_INSTALL
 AC_PROG_LN_S
 
+AC_C_CONST
+
 # Required for per-target flags or subdir-objects with C sources.
 AM_PROG_CC_C_O