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-rw-r--r--gnu/packages/commencement.scm6
1 files changed, 6 insertions, 0 deletions
diff --git a/gnu/packages/commencement.scm b/gnu/packages/commencement.scm
index 3efd56d610..632ee46cea 100644
--- a/gnu/packages/commencement.scm
+++ b/gnu/packages/commencement.scm
@@ -2758,6 +2758,12 @@ exec " gcc "/bin/" program
"--disable-shared"
"--enable-languages=c,c++"
+ ,@(if (equal? "powerpc64le-linux-gnu" (boot-triplet))
+ ;; On POWER9 (little endian) glibc needs the
+ ;; 128-bit long double type.
+ '("--with-long-double-128")
+ '())
+
;; libstdc++ cannot be built at this stage
;; ("Link tests are not allowed after
;; GCC_NO_EXECUTABLES.").