diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..caa261ee7cdbb018eaa30155e5a24c64c47d1d64
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,13 @@
+*~
+*.o
+*.dylib
+*.dll
+*.bundle
+*.so
+*.a
+*.fasl
+*.fas
+*.fasb
+ASDF-TMP-*
+MKCLINIT*
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diff --git a/contrib/.gitignore b/contrib/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..24600083db41748be192c1a6cc2b90e6ba21c012
--- /dev/null
+++ b/contrib/.gitignore
@@ -0,0 +1 @@
+!Makefile
diff --git a/msvc/.gitignore b/msvc/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..24600083db41748be192c1a6cc2b90e6ba21c012
--- /dev/null
+++ b/msvc/.gitignore
@@ -0,0 +1 @@
+!Makefile
diff --git a/src/.gitignore b/src/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..12c9de6297a6e5743ce669c061d6378c9c556416
--- /dev/null
+++ b/src/.gitignore
@@ -0,0 +1,14 @@
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+ucd.dat
+help.doc
+BUILD-STAMP
+TAGS
+bare.lsp
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diff --git a/src/c/.gitignore b/src/c/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..d5f2387f4ab3749c6dca541e380e74e76cd1010c
--- /dev/null
+++ b/src/c/.gitignore
@@ -0,0 +1,7 @@
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diff --git a/src/clos/.gitignore b/src/clos/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..1b21dd2c13c333c0020de909290633792bb5bbc6
--- /dev/null
+++ b/src/clos/.gitignore
@@ -0,0 +1,4 @@
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diff --git a/src/cmp/.gitignore b/src/cmp/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..003da59c277e59568cc8bffad70e3d494703d553
--- /dev/null
+++ b/src/cmp/.gitignore
@@ -0,0 +1,7 @@
+*.c
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diff --git a/src/doc/.gitignore b/src/doc/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..9a51bae93c38ce0e9a6241bb53ff25ce78cbeb77
--- /dev/null
+++ b/src/doc/.gitignore
@@ -0,0 +1,2 @@
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diff --git a/src/gc/.gitignore b/src/gc/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..3312cebd0014b132ae1d6750ff4056abc2b0547e
--- /dev/null
+++ b/src/gc/.gitignore
@@ -0,0 +1,7 @@
+*.lo
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+configure.lineno
+.deps/
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diff --git a/src/gc/include/private/.gitignore b/src/gc/include/private/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..f61154864f0a404454212e58f309f3f47236ff00
--- /dev/null
+++ b/src/gc/include/private/.gitignore
@@ -0,0 +1,2 @@
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diff --git a/src/gc/libatomic_ops/pkgconfig/.gitignore b/src/gc/libatomic_ops/pkgconfig/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..6fd0ef029e1e2061cf68b76620e793ed41fc955f
--- /dev/null
+++ b/src/gc/libatomic_ops/pkgconfig/.gitignore
@@ -0,0 +1 @@
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diff --git a/src/lsp/.gitignore b/src/lsp/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..5f5b703bb4043e95ef56df85713705bd3f11a5cf
--- /dev/null
+++ b/src/lsp/.gitignore
@@ -0,0 +1,6 @@
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diff --git a/src/mkcl/.gitignore b/src/mkcl/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..1447311b5d5c83c5e641b7292045a73ffd3ba78c
--- /dev/null
+++ b/src/mkcl/.gitignore
@@ -0,0 +1,3 @@
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