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-rw-r--r--gnu/packages/lisp.scm8
1 files changed, 7 insertions, 1 deletions
diff --git a/gnu/packages/lisp.scm b/gnu/packages/lisp.scm
index 3c09b0af8a..69011a3197 100644
--- a/gnu/packages/lisp.scm
+++ b/gnu/packages/lisp.scm
@@ -236,7 +236,13 @@ interface to the Tk widget system.")
`(("cl-asdf" ,cl-asdf)
("which" ,which)
("texinfo" ,texinfo)))
- (inputs
+ ;; When ECL is embedded in a program that wants to use Common Lisp as an
+ ;; extension language, libgmp, libatomic-ops, libgc and libffi must be
+ ;; present when compiling the program because they are required by ECL's
+ ;; header file.
+ ;; Therefore we put these libraries in 'propagated-inputs' instead
+ ;; of 'inputs'.
+ (propagated-inputs
`(("gmp" ,gmp)
("libatomic-ops" ,libatomic-ops)
("libgc" ,libgc)