diff --git a/.gitignore b/.gitignore
index e5da286630d481ef1a6317eeb1f36e9e84e1ee99..d8ddb3520fd4a46db41351ead60e1d6452448203 100644
--- a/.gitignore
+++ b/.gitignore
@@ -92,7 +92,7 @@ nbproject
 .DS_Store
 
 # Android
-/build-android-arm-linux-androideabi/
+/build-android-*/
 /extras/tools/check_sed
 /extras/tools/libtool-*.tar.xz
 
diff --git a/contrib/.gitignore b/contrib/.gitignore
index 4399207c30b72159965429c5735570449bf2296d..ed60462eac21835a69347e0cf45cee10d1071b2d 100644
--- a/contrib/.gitignore
+++ b/contrib/.gitignore
@@ -4,3 +4,4 @@ i386*
 x86_64-*
 arm*
 aarch64*
+i686*
diff --git a/extras/tools/.gitignore b/extras/tools/.gitignore
index 6c25fda40208084888d53779d99555cc8b0671a2..d7d075312a1a6cc05560f777a574d2065a9669a1 100644
--- a/extras/tools/.gitignore
+++ b/extras/tools/.gitignore
@@ -4,3 +4,4 @@ build/
 */
 *.tar.gz
 *.tar.bz2
+gas-preprocessor-*.pl