From 58614c9b4bba93773adbc502df202ae980b01eae Mon Sep 17 00:00:00 2001
From: Efraim Flashner <efraim@flashner.co.il>
Date: Sun, 19 May 2024 12:23:04 +0300
Subject: [PATCH] gnu: samtools: Fix build on i686-linux.

* gnu/packages/bioinformatics.scm (samtools)[arguments]: When building
for i686-linux adjust the make-flags to specifically use the sse math
libraries.

Change-Id: I322d521cbe87e10db7c23db8e68bb377db966aa7
---
 gnu/packages/bioinformatics.scm | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/gnu/packages/bioinformatics.scm b/gnu/packages/bioinformatics.scm
index 6aa35710e5..99db702dbf 100644
--- a/gnu/packages/bioinformatics.scm
+++ b/gnu/packages/bioinformatics.scm
@@ -9468,6 +9468,11 @@ (define-public samtools
     (build-system gnu-build-system)
     (arguments
      `(#:configure-flags (list "--with-ncurses")
+       ;; The samtools test suite (and software) expects SSE-based math, even on
+       ;; i686-linux, and not 387-based math.  Adjust the CPPFLAGS accordingly.
+       ,@(if (target-x86-32?)
+             `(#:make-flags (list "CPPFLAGS = -msse -mfpmath=sse"))
+             '())
        #:phases
        (modify-phases %standard-phases
          (add-after 'unpack 'patch-tests