https://github.com/stevengj/nlopt/commit/bb608c3466baf5330cf57e659b259d1d87869ff1

From bb608c3466baf5330cf57e659b259d1d87869ff1 Mon Sep 17 00:00:00 2001
From: Julien Schueller <schueller@phimeca.com>
Date: Mon, 24 Feb 2025 16:09:37 +0100
Subject: [PATCH] CMake: Fix pkgconfig file

---
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 39b01441..a7f65733 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -106,7 +106,7 @@ check_type_size ("unsigned long" SIZEOF_UNSIGNED_LONG)
 
 find_library(M_LIBRARY m)
 if (M_LIBRARY)
-  set (LIBS_PRIVATE "-l${M_LIBRARY}")
+  set (LIBS_PRIVATE "-lm")
 endif()
 
 if (NOT DEFINED HAVE_FPCLASSIFY)