zynaddsubfx

commit 146ad1c18935cfa9013c301d1401681afb7f8d32
parent 1dd22bc13f4b7e4e1823fd4dd5e9772466be2b29
Author: kinichiro <kinichiro.inoguchi@gmail.com>
Date:   Wed,  1 Jul 2020 17:43:56 +0900

Check if OS has librt, and do not link it if not exist

Diffstat:
M
src/CMakeLists.txt
 | 
6
+++++-
M
src/Plugin/ZynAddSubFX/CMakeLists.txt
 | 
16
+++++++++++++---

2 files changed, 18 insertions(+), 4 deletions(-)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
@@ -60,6 +60,8 @@ check_cxx_compiler_flag("-msse2" SUPPORT_SSE)
 check_cxx_compiler_flag("-mfpu=neon -Werror" SUPPORT_NEON)
 check_include_file_cxx(complex HAVE_CPP_STD_COMPLEX)
 
+find_library(HAVE_LIBRT rt)
+
 set(CMAKE_REQUIRED_FLAGS "")
 
 
@@ -559,7 +561,9 @@ if(${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
 elseif(APPLE)
     set(PTHREAD_LIBRARY pthread)
 else()
-    set(PLATFORM_LIBRARIES rt)
+    if(HAVE_LIBRT)
+        set(PLATFORM_LIBRARIES rt)
+    endif()
     set(PTHREAD_LIBRARY pthread)
 endif()
 
diff --git a/src/Plugin/ZynAddSubFX/CMakeLists.txt b/src/Plugin/ZynAddSubFX/CMakeLists.txt
@@ -118,12 +118,22 @@ elseif(ZestGui)
     if(APPLE)
         set(PLATFORM_LIBRARIES)
     else()
-        set(PLATFORM_LIBRARIES X11 GL rt)
+        if(HAVE_LIBRT)
+            set(PLATFORM_LIBRARIES X11 GL rt)
+        else()
+            set(PLATFORM_LIBRARIES X11 GL)
+        endif()
     endif()
 elseif(NtkGui OR FltkGui)
-    set(PLATFORM_LIBRARIES X11 rt)
+    if(HAVE_LIBRT)
+        set(PLATFORM_LIBRARIES X11 rt)
+    else()
+        set(PLATFORM_LIBRARIES X11)
+    endif()
 else()
-    set(PLATFORM_LIBRARIES rt)
+    if(HAVE_LIBRT)
+        set(PLATFORM_LIBRARIES rt)
+    endif()
 endif()
 
 if(NOT ${CMAKE_SYSTEM_NAME} STREQUAL "Windows")