From ddd333e6bd6f5e033a2b829067910165e64eb0b9 Mon Sep 17 00:00:00 2001
From: Chris Mayo <aklhfex@gmail.com>
Date: Thu, 21 Mar 2019 19:53:37 +0000
Subject: Build: automatically enable system error messages

Define HAVE_STRERROR during configuration.

Before:
$ cs2cs +proj=latlong +to +proj=latlong dummy
<cs2cs>:
Sys errno: 2: <system mess. texts unavail.>
dummy

After:
$ cs2cs +proj=latlong +to +proj=latlong dummy
<cs2cs>:
Sys errno: 2: No such file or directory
dummy
---
 configure.ac | 1 +
 1 file changed, 1 insertion(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index d155432b..a76710d0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -219,6 +219,7 @@ CFLAGS="$save_CFLAGS $C99_MATH"
 AC_SEARCH_LIBS([sqrt], [m])
 
 AC_CHECK_FUNC(localeconv, [AC_DEFINE(HAVE_LOCALECONV,1,[Define to 1 if you have localeconv])])
+AC_CHECK_FUNCS([strerror])
 
 dnl ---------------------------------------------------------------------------
 dnl Check for JNI support.
-- 
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