Automatically enable system error messages using Autotools

Define HAVE_STRERROR from configure. 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
OSGeo · Mar 20, 2019 · 090a36c · 090a36c
1 parent 9ead1bf
commit 090a36c
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diff --git a/configure.ac b/configure.ac
@@ -220,6 +220,8 @@ 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.
 dnl ---------------------------------------------------------------------------

diff --git a/src/apps/emess.cpp b/src/apps/emess.cpp
@@ -20,6 +20,7 @@
 #include <string.h>
 
 #include "proj_api.h"
+#include "proj_config.h"
 #define EMESS_ROUTINE
 #include "emess.h"