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-rw-r--r--gnu/packages/bioinformatics.scm3
1 files changed, 2 insertions, 1 deletions
diff --git a/gnu/packages/bioinformatics.scm b/gnu/packages/bioinformatics.scm
index 40dd51a3df..11d123b605 100644
--- a/gnu/packages/bioinformatics.scm
+++ b/gnu/packages/bioinformatics.scm
@@ -11882,7 +11882,8 @@ dependency like SeqAn.")
;; Ensure that Eigen headers can be found
(setenv "CPLUS_INCLUDE_PATH"
(string-append (assoc-ref inputs "eigen")
- "/include/eigen3"))
+ "/include/eigen3:"
+ (or (getenv "CPLUS_INCLUDE_PATH") "")))
#t)))))
(inputs
`(("boost" ,boost)