From 4033f81c4888b211d06afdf38cf19c6da650e2b2 Mon Sep 17 00:00:00 2001
From: Jasmine Iwanek <jasmine@iwanek.co.uk>
Date: Sun, 25 May 2025 20:15:14 -0400
Subject: [PATCH] Clean up sound/CMakeLists.txt

---
 src/sound/CMakeLists.txt       |  9 +++++----
 src/sound/esfmu/CMakeLists.txt | 15 +++++++++++++++
 2 files changed, 20 insertions(+), 4 deletions(-)
 create mode 100644 src/sound/esfmu/CMakeLists.txt

diff --git a/src/sound/CMakeLists.txt b/src/sound/CMakeLists.txt
index 3aaf49bb3..fb3c9b43d 100644
--- a/src/sound/CMakeLists.txt
+++ b/src/sound/CMakeLists.txt
@@ -49,8 +49,6 @@ add_library(snd OBJECT
     snd_wss.c
     snd_ym7128.c
     snd_optimc.c
-    esfmu/esfm.c
-    esfmu/esfm_registers.c
     snd_opl_esfm.c
 )
 
@@ -181,6 +179,9 @@ endif()
 add_subdirectory(ayumi)
 target_link_libraries(86Box ayumi)
 
+add_subdirectory(esfmu)
+target_link_libraries(86Box esfmu)
+
 add_subdirectory(ymfm)
 target_link_libraries(86Box ymfm)
 
@@ -193,8 +194,8 @@ if(OPL4ML)
     target_sources(snd PRIVATE midi_opl4.c midi_opl4_yrw801.c)
 endif()
  
-find_package(PkgConfig )
-pkg_check_modules(SERIALPORT  libserialport)
+find_package(PkgConfig)
+pkg_check_modules(SERIALPORT libserialport)
 
 if(SERIALPORT_FOUND OR DEFINED LIBSERIALPORT_ROOT)
     add_compile_definitions(USE_LIBSERIALPORT=1)
diff --git a/src/sound/esfmu/CMakeLists.txt b/src/sound/esfmu/CMakeLists.txt
new file mode 100644
index 000000000..2505038f1
--- /dev/null
+++ b/src/sound/esfmu/CMakeLists.txt
@@ -0,0 +1,15 @@
+#
+# 86Box    A hypervisor and IBM PC system emulator that specializes in
+#          running old operating systems and software designed for IBM
+#          PC systems and compatibles from 1981 through fairly recent
+#          system designs based on the PCI bus.
+#
+#          This file is part of the 86Box distribution.
+#
+#          CMake build script.
+#
+
+add_library(esfmu STATIC
+    esfm.c
+    esfm_registers.c
+)