Mention CPP.

1 files changed, 6 insertions, 5 deletions

diff --git a/INSTALL b/INSTALL
index 9d0376965a4..ce4359f86da 100644
--- a/INSTALL
+++ b/INSTALL
@@ -364,11 +364,12 @@ Some tests might fail because the compiler should look in special
 directories for some header files, or link against optional
 libraries, or use special compilation options.  You can force
 `configure' and the build process which follows it to do that by
-setting the variables CPPFLAGS, CFLAGS, LDFLAGS, LIBS, and CC before
-running `configure'.  CPPFLAGS lists the options passed to the
-preprocessor, CFLAGS are compilation options, LDFLAGS are options used
-when linking, LIBS are libraries to link against, and CC is the
-command which invokes the compiler.
+setting the variables CPPFLGS, CFLAGS, LDFLAGS, LIBS, CPP and CC before
+running `configure'.  CPP is the command which invokes the
+preprocessor, CPPFLAGS lists the options passed to it, CFLAGS are
+compilation options, LDFLAGS are options used when linking, LIBS are
+libraries to link against, and CC is the command which invokes the
+compiler.
 
 Here's an example of a `configure' invocation, assuming a Bourne-like
 shell such as Bash, which uses these variables: