[build] Disable comics backend on native windows builds

diff --git a/configure.ac b/configure.ac
index 0c9e38a51090caeffd4173ba80e72a3463020c29..d1f1ed7e6587c82862fff4b215d3352ffa76a735 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -511,7 +511,15 @@ dnl ================== comic book checks =======================================
 AC_ARG_ENABLE(comics,
        [AC_HELP_STRING([--enable-comics], [Compile with support for comic book archives])],enable_comics="$enableval",enable_comics=yes)
 if test "x$enable_comics" = "xyes"; then
-       AC_DEFINE([ENABLE_COMICS], [1], [Enable support for comics.])
+       if test "x$os_win32" = "xyes"; then
+               # The comics backend is disabled on windows because:
+               # 1) it uses unix functions from sys/wait.h.
+               # 2) it uses external decompression tools not generally available on windows.
+               enable_comics=no
+               AC_MSG_WARN(The comics backend is not supported on windows.)
+       else
+               AC_DEFINE([ENABLE_COMICS], [1], [Enable support for comics.])
+       fi
 fi 
 AM_CONDITIONAL(ENABLE_COMICS, test x$enable_comics = xyes)