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-rw-r--r--README.markdown5
1 files changed, 4 insertions, 1 deletions
diff --git a/README.markdown b/README.markdown
index 43dddf0c..8fd19dff 100644
--- a/README.markdown
+++ b/README.markdown
@@ -15,7 +15,10 @@ Installation
$ make -n install
$ make install
-For the default `all` target, you'll need `bash(1)`, `make(1)`, and `m4(1)`.
+For the default `all` target, you'll need `make(1)`, `m4(1)`, and a
+POSIX-fearing `sh(1)`. If you're on a system where `/bin/sh` is not a POSIX
+shell, you may need to check you have e.g. `/usr/xpg4/bin` at the front of your
+`$PATH` at build time.
The installation `Makefile` will overwrite things standing in the way of its
installed files without backing them up, so read the output of `make -n