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-rw-r--r--doc/man/scons.14
1 files changed, 3 insertions, 1 deletions
diff --git a/doc/man/scons.1 b/doc/man/scons.1
index 527b45d..93086f6 100644
--- a/doc/man/scons.1
+++ b/doc/man/scons.1
@@ -870,7 +870,9 @@ The default suffix, of course, is
.IP CPPFLAGS
C preprocessor options.
-These will be included in the $F77PPCOM
+These will be included in any command that uses the C preprocessor,
+inluding not just compilation of C and C++ source files,
+but also the $F77PPCOM
command line used to compile a Fortran source file to an object file
after first running the file through the C preprocessor.