cmake: Headless version for macOS

Add CMakeLists.txt that is able to build the headless version for macOS and
update build-osx.sh to use it to build the headless version of Surge.

CMakeLists.txt

@@ -0,0 +1,118 @@
+cmake_minimum_required(VERSION 3.5)
+project(Surge VERSION 1.0.0 LANGUAGES CXX)
+
+set(SURGE_COMMON_SOURCES
+    src/common/dsp/effect/ConditionerEffect.cpp
+    src/common/dsp/effect/DistortionEffect.cpp
+    src/common/dsp/effect/DualDelayEffect.cpp
+    src/common/dsp/effect/Effect.cpp
+    src/common/dsp/effect/FreqshiftEffect.cpp
+    src/common/dsp/effect/PhaserEffect.cpp
+    src/common/dsp/effect/Reverb1Effect.cpp
+    src/common/dsp/effect/Reverb2Effect.cpp
+    src/common/dsp/effect/RotarySpeakerEffect.cpp
+    src/common/dsp/effect/VocoderEffect.cpp
+    src/common/dsp/AdsrEnvelope.cpp
+    src/common/dsp/BiquadFilter.cpp
+    src/common/dsp/BiquadFilterSSE2.cpp
+    src/common/dsp/DspUtilities.cpp
+    src/common/dsp/FilterCoefficientMaker.cpp
+    src/common/dsp/FMOscillator.cpp
+    src/common/dsp/LfoModulationSource.cpp
+    src/common/dsp/Oscillator.cpp
+    src/common/dsp/QuadFilterChain.cpp
+    src/common/dsp/QuadFilterUnit.cpp
+    src/common/dsp/SampleAndHoldOscillator.cpp
+    src/common/dsp/SurgeSuperOscillator.cpp
+    src/common/dsp/SurgeVoice.cpp
+    src/common/dsp/VectorizedSvfFilter.cpp
+    src/common/dsp/Wavetable.cpp
+    src/common/dsp/WavetableOscillator.cpp
+    src/common/dsp/WindowOscillator.cpp
+    src/common/thread/CriticalSection.cpp
+    src/common/util/FpuState.cpp
+    src/common/vt_dsp/basic_dsp.cpp
+    src/common/vt_dsp/halfratefilter.cpp
+    src/common/vt_dsp/lipol.cpp
+    src/common/vt_dsp/macspecific.cpp
+    src/common/Parameter.cpp
+    src/common/precompiled.cpp
+    src/common/Sample.cpp
+    src/common/SampleLoadRiffWave.cpp
+    src/common/SurgeError.cpp
+    src/common/SurgePatch.cpp
+    src/common/SurgeStorage.cpp
+    src/common/SurgeStorageLoadWavetable.cpp
+    src/common/SurgeSynthesizer.cpp
+    src/common/SurgeSynthesizerIO.cpp
+    src/common/UserDefaults.cpp
+    libs/xml/tinyxml.cpp
+    libs/xml/tinyxmlerror.cpp
+    libs/xml/tinyxmlparser.cpp
+    libs/filesystem/filesystem.cpp
+)
+
+set(SURGE_COMMON_INCLUDES
+    libs/
+    libs/filesystem
+    libs/xml
+    src/common
+    src/common/dsp
+    src/common/gui
+    src/common/thread
+    src/common/vt_dsp
+    vst3sdk
+    vstgui.surge
+)
+
+add_executable(surge-headless
+    ${SURGE_COMMON_SOURCES}
+   src/headless/main.cpp
+   src/headless/DisplayInfoHeadless.cpp
+   src/headless/UserInteractionsHeadless.cpp
+   src/headless/LinkFixesHeadless.cpp
+)
+
+target_compile_features(surge-headless
+    PRIVATE
+        cxx_std_17
+)
+
+target_compile_definitions(surge-headless
+    PRIVATE
+	    TARGET_HEADLESS=1
+)
+
+target_include_directories(surge-headless
+    PRIVATE
+        ${SURGE_COMMON_INCLUDES}
+        src/headless
+)
+
+if (APPLE)
+    target_compile_definitions(surge-headless
+        PRIVATE
+            MAC=1
+            MAC_COCOA=1
+            COCOA=1
+            OBJC_OLD_DISPATCH_PROTOTYPES=1
+    )
+
+    target_compile_options(surge-headless
+        PRIVATE
+            -msse2
+            "-D_aligned_malloc(x,a)=malloc(x)"
+            "-D_aligned_free(x)=free(x)"
+    )
+
+    target_include_directories(surge-headless
+        PRIVATE
+            ${SURGE_COMMON_INCLUDES}
+            src/mac
+    )
+
+    target_link_libraries(surge-headless
+        "-framework ApplicationServices"
+        "-framework CoreFoundation"
+    )
+endif()

build-osx.sh

@@ -126,6 +126,13 @@ run_clean()
     xcodebuild clean -configuration Release -project surge-${flavor}.xcodeproj
 }
 
+run_clean_headless()
+{
+    echo
+    echo "Cleaning build - headless"
+    xcodebuild clean -configuration Release -project build/Surge.xcodeproj
+}
+
 run_build()
 {
     flavor=$1
@@ -158,6 +165,44 @@ run_build()
     fi
 }
 
+run_build_headless()
+{
+    mkdir -p build_logs
+
+    echo
+    echo Building surge-headless with output in build_logs/build_headless.log
+
+    mkdir build
+    cmake -GXcode -Bbuild
+
+    # Don't let TEE eat my return status
+    set -o pipefail
+    if [[ -z "$OPTION_verbose" ]]; then
+        xcodebuild build -configuration Release \
+                         -project build/Surge.xcodeproj > \
+                         build_logs/build_headless.log
+    else
+        xcodebuild build -configuration Release \
+                         -project build/Surge.xcodeproj | \
+                         tee build_logs/build_headless.log
+    fi
+
+    build_suc=$?
+    set +o pipefail
+
+    if [[ $build_suc = 0 ]]; then
+        echo ${GREEN}Build of surge-headless succeeded${NC}
+    else
+        echo
+        echo ${RED}** Build of headless failed**${NC}
+        grep -i ": error" build_logs/build_headless.log
+        echo
+        echo Complete information is in build_logs/build_headless.log
+
+        exit 2
+    fi
+}
+
 default_action()
 {
     run_premake
@@ -182,7 +227,7 @@ run_all_builds()
 
     run_build "vst3"
     run_build "au"
-    run_build "headless"
+    run_build_headless
 }
 
 run_install_local()
@@ -241,7 +286,7 @@ run_clean_builds()
 
     run_clean "vst3"
     run_clean "au"
-    run_clean "headless"
+    run_clean_headless
 }
 
 run_clean_all()
@@ -325,7 +370,7 @@ case $command in
         ;;
     --build-headless)
         run_premake_if
-        run_build "headless"
+        run_build_headless
         ;;
     --clean)
         run_clean_builds

src/common/dsp/VectorizedSvfFilter.cpp

@@ -1,8 +1,8 @@
 #include <math.h>
 
+#include "globals.h"
 #include "VectorizedSvfFilter.h"
 
-
 //================================================================================================
 
 //------------------------------------------------------------------------------------------------

src/common/vt_dsp/shared.h

@@ -1,8 +1,6 @@
 #pragma once
 
-#if LINUX
-#include <immintrin.h>
-#endif
+#include "globals.h"
 
 inline float i2f_binary_cast(int i)
 {

src/headless/LinkFixesHeadless.cpp

@@ -6,7 +6,7 @@
 ** but for the meantime lets add this file to patch the link
 ** errors
 */
-#if LINUX
+#if LINUX || MAC
 namespace VSTGUI
 {
 void doAssert(const char*, const char*, const char*)