* configure.ac debian/changelog:

+ Prepare for 0.3 release.
    + Check for strcasecmp().
  * src/caca.c:
    + Honor CACA_BACKGROUND, CACA_DITHERING and CACA_ANTIALIASING environment
      variables.

configure.ac

@@ -6,7 +6,7 @@ AC_PREREQ(2.50)
 AC_CONFIG_AUX_DIR(autotools)
 AC_CANONICAL_SYSTEM
 
-AM_INIT_AUTOMAKE(libcaca, 0.2)
+AM_INIT_AUTOMAKE(libcaca, 0.3)
 AM_CONFIG_HEADER(config.h)
 
 AM_PROG_CC_C_O
@@ -25,7 +25,7 @@ AC_ARG_ENABLE(conio,
   [  --enable-conio          DOS conio.h graphics support (default disabled)])
 
 AC_CHECK_HEADERS(inttypes.h endian.h)
-AC_CHECK_FUNCS(vsnprintf getenv putenv)
+AC_CHECK_FUNCS(vsnprintf getenv putenv strcasecmp)
 
 if test "${enable_conio}" = "yes"; then
   AC_CHECK_HEADER(conio.h,:,AC_MSG_ERROR([cannot find conio.h header]))

debian/changelog

@@ -1,3 +1,15 @@
+libcaca (0.3-1) unstable; urgency=low
+
+  * XXX
+
+ -- Sam Hocevar (Debian packages) <sam+deb@zoy.org>  Thu, 11 Dec 2003 22:10:45 +0100
+
+libcaca (0.2-2) unstable; urgency=low
+
+  * First Debian upload (Closes: #222753).
+
+ -- Sam Hocevar (Debian packages) <sam+deb@zoy.org>  Thu,  4 Dec 2003 17:57:46 +0100
+
 libcaca (0.2-1) unstable; urgency=low
 
   * New upstream release.

src/caca.c

@@ -250,9 +250,46 @@ void caca_end(void)
 
 static void caca_init_features(void)
 {
+    /* FIXME: if strcasecmp isn't available, use strcmp */
+#if defined(HAVE_GETENV) && defined(HAVE_STRCASECMP)
+    char *var;
+#endif
+
     caca_set_feature(CACA_BACKGROUND);
     caca_set_feature(CACA_ANTIALIASING);
     caca_set_feature(CACA_DITHERING);
+
+#if defined(HAVE_GETENV) && defined(HAVE_STRCASECMP)
+    if((var = getenv("CACA_BACKGROUND")))
+    {
+        if(!strcasecmp("black", var))
+            caca_set_feature(CACA_BACKGROUND_BLACK);
+        else if(!strcasecmp("solid", var))
+            caca_set_feature(CACA_BACKGROUND_SOLID);
+    }
+
+    if((var = getenv("CACA_ANTIALIASING")))
+    {
+        if(!strcasecmp("none", var))
+            caca_set_feature(CACA_ANTIALIASING_NONE);
+        else if(!strcasecmp("prefilter", var))
+            caca_set_feature(CACA_ANTIALIASING_PREFILTER);
+    }
+
+    if((var = getenv("CACA_DITHERING")))
+    {
+        if(!strcasecmp("none", var))
+            caca_set_feature(CACA_DITHERING_NONE);
+        else if(!strcasecmp("ordered2", var))
+            caca_set_feature(CACA_DITHERING_ORDERED2);
+        else if(!strcasecmp("ordered4", var))
+            caca_set_feature(CACA_DITHERING_ORDERED4);
+        else if(!strcasecmp("ordered8", var))
+            caca_set_feature(CACA_DITHERING_ORDERED8);
+        else if(!strcasecmp("random", var))
+            caca_set_feature(CACA_DITHERING_RANDOM);
+    }
+#endif
 }
 
 static void caca_init_terminal(void)