diff --git a/.gitignore b/.gitignore
index 1b824cf..87dd1ae 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,7 @@ config.h.in
 config.log
 config.status
 configure
+compile
 depcomp
 install-sh
 missing
@@ -17,5 +18,6 @@ src/.deps/
 src/Makefile
 src/Makefile.in
 src/mfoc
+src/mfoc.exe
 stamp-h1
 
diff --git a/configure.ac b/configure.ac
index 28b8141..58672c7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,14 +2,14 @@ AC_INIT([mfoc],[0.10.7],[mifare@nethemba.com])
 
 AC_CONFIG_MACRO_DIR([m4])
 
-AC_PROG_CC
-
 AC_CONFIG_HEADERS([config.h])
 
 AC_CONFIG_SRCDIR([src/mfoc.c])
 
 AM_INIT_AUTOMAKE(dist-bzip2 no-dist-gzip)
 
+AC_PROG_CC
+
 m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
 
 # Checks for pkg-config modules.
diff --git a/m4/.empty b/m4/.empty
new file mode 100644
index 0000000..e69de29