Porting CPLUG into Linux

CMakeLists.txt

@@ -48,6 +48,10 @@ if (WIN32)
     add_compile_definitions(_CRT_SECURE_NO_WARNINGS)
 endif()
 
+if(LINUX)
+	#add_compile_definitions(-msse -mfpmath=sse)
+endif()
+
 # settings used across all formats
 include_directories(src)
 
@@ -165,7 +169,27 @@ elseif(WIN32)
             COMMAND ${CMAKE_COMMAND} -E copy "${CMAKE_BINARY_DIR}\\${CMAKE_BUILD_TYPE}\\${PROJECT_NAME}_plugin.dll" "%LOCALAPPDATA%\\Programs\\Common\\CLAP\\${PROJECT_NAME}.clap"
             )
     endif() # MSVC
-endif()
+elseif(LINUX)
+    add_library(${PROJECT_NAME}_plugin MODULE
+        example/example.c
+        src/cplug_clap.c
+        src/cplug_vst3.c
+        )
+    set_target_properties(${PROJECT_NAME}_plugin PROPERTIES
+        OUTPUT_NAME ${PROJECT_NAME}_plugin
+    )
+    add_custom_command(TARGET ${PROJECT_NAME}_plugin POST_BUILD
+        COMMAND ${CMAKE_COMMAND} -E remove_directory "${CMAKE_BINARY_DIR}/${CMAKE_BUILD_TYPE}/${PROJECT_NAME}.vst3"
+
+        COMMAND ${CMAKE_COMMAND} -E copy_directory "${CMAKE_BINARY_DIR}/${CMAKE_BUILD_TYPE}/${PROJECT_NAME}.clap" "${CMAKE_BINARY_DIR}/${CMAKE_BUILD_TYPE}/${PROJECT_NAME}.vst3"
+
+        COMMAND ${CMAKE_COMMAND} -E echo "Installing ${CMAKE_BINARY_DIR}/${CMAKE_BUILD_TYPE}/${PROJECT_NAME}.clap to ~/.clap/"
+        COMMAND ${CMAKE_COMMAND} -E copy_directory "${CMAKE_BINARY_DIR}/${CMAKE_BUILD_TYPE}/${PROJECT_NAME}.clap" "~/.clap/${PROJECT_NAME}.clap"
+
+        COMMAND ${CMAKE_COMMAND} -E echo "Installing ${CMAKE_BINARY_DIR}/${CMAKE_BUILD_TYPE}/${PROJECT_NAME}.vst3 to ~/.vst3"
+        COMMAND ${CMAKE_COMMAND} -E copy_directory "${CMAKE_BINARY_DIR}/${CMAKE_BUILD_TYPE}/${PROJECT_NAME}.vst3" "~/.vst3/${PROJECT_NAME}.vst3"
+    )
+endif() #LINUX
 
 
 # ███████╗████████╗ █████╗ ███╗   ██╗██████╗  █████╗ ██╗      ██████╗ ███╗   ██╗███████╗

example/example.c

@@ -17,6 +17,17 @@
     unsigned int newMXCSR = oldMXCSR |= 0x8040; /* set DAZ and FZ bits        */                                       \
     _mm_setcsr(newMXCSR);                       /* write the new MXCSR setting to the MXCSR */
 #define RESTORE_DENORMALS _mm_setcsr(oldMXCSR);
+#elif defined(__linux__)
+#ifdef __x86_64__
+#include <xmmintrin.h>
+#include <pmmintrin.h>
+#define DISABLE_DENORMALS                                                                                              \
+    uint32_t oldMXCSR, newMXCSR;                                                                                       \
+    __builtin_ia32_fxsave(&oldMXCSR);                                                                                  \
+    newMXCSR = oldMXCSR |= 0x8040;                                                                                     \
+    __builtin_ia32_fxrstor(&newMXCSR);
+#define RESTORE_DENORMALS __builtin_ia32_fxrstor(&oldMXCSR);
+#endif
 #else
 #include <fenv.h>
 #if defined(__x86_64__)

src/cplug_clap.c

@@ -6,6 +6,11 @@
 #include <stdio.h>
 #include <string.h>
 
+// fixes something that's probably an issue with glibc-shipped headers
+#ifndef static_assert
+#define static_assert(cond, arg) _Static_assert(cond, arg)
+#endif
+
 typedef struct CLAPPlugin
 {
     clap_plugin_t    clapPlugin;

src/cplug_vst3.c

@@ -10,6 +10,10 @@
 #include <vst3_c_api.h>
 #include <wchar.h>
 
+#ifndef static_assert
+#define static_assert(cond, arg) _Static_assert(cond, arg)
+#endif
+
 #define tuid_match(a, b) memcmp(a, b, sizeof(Steinberg_TUID)) == 0
 #define CPLUG_ARRLEN(a)  (sizeof(a) / sizeof(a[0]))
 
@@ -2652,4 +2656,4 @@ bool VST3_EXIT(void)
     cplug_log("Bundle exit");
     cplug_libraryUnload();
     return true;
-}
+}

src/test_compile.cpp

@@ -0,0 +1,14 @@
+// This fixes an issue caused by possibly glibc-shipped headers
+#include <stdint.h>
+#ifndef char16_t
+typedef int16_t char16_t;
+#endif
+
+#include "example/config.h"
+#include "src/cplug_clap.c"
+#include "src/cplug_vst3.c"
+
+#ifdef _WIN32
+#include "src/cplug_standalone_win.c"
+#include "example/example.c"
+#endif