Add cmake build to CI tests

Signed-off-by: falkTX <falktx@falktx.com>

.github/workflows/cmake.yml

@@ -0,0 +1,50 @@
+name: cmake
+
+on:
+  push:
+    branches:
+      - '*'
+  pull_request:
+    branches:
+      - '*'
+
+env:
+  DEBIAN_FRONTEND: noninteractive
+  HOMEBREW_NO_AUTO_UPDATE: 1
+
+jobs:
+  macos-11:
+    runs-on: macos-11
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up dependencies
+        run: |
+          brew install cmake fluid-synth libmagic libsndfile pkg-config
+      - name: configure
+        run: cmake -S cmake -B cmake
+      - name: build
+        run: make -C cmake -j $(sysctl -n hw.logicalcpu)
+
+  ubuntu-20_04:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up dependencies
+        run: |
+          sudo apt-get install -yqq cmake libfluidsynth-dev libmagic-dev libsndfile1-dev libx11-dev pkg-config
+      - name: configure
+        run: cmake -S cmake -B cmake
+      - name: build
+        run: make -C cmake -j $(nproc)
+
+  ubuntu-22_04:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up dependencies
+        run: |
+          sudo apt-get install -yqq cmake libfluidsynth-dev libmagic-dev libsndfile1-dev libx11-dev pkg-config
+      - name: configure
+        run: cmake -S cmake -B cmake
+      - name: build
+        run: make -C cmake -j $(nproc)

cmake/CMakeLists.txt

@@ -16,7 +16,6 @@ set_property(GLOBAL PROPERTY INTERPROCEDURAL_OPTIMIZATION TRUE)
 #######################################################################################################################
 # required dependencies
 
-find_package(PkgConfig)
 find_package(Threads REQUIRED)
 
 if(NOT (APPLE OR HAIKU OR WIN32))
@@ -30,6 +29,8 @@ endif()
 #######################################################################################################################
 # optional dependencies
 
+find_package(PkgConfig)
+
 if(PKGCONFIG_FOUND)
   pkg_check_modules(FLUIDSYNTH IMPORTED_TARGET fluidsynth)
   pkg_check_modules(SNDFILE IMPORTED_TARGET sndfile)
@@ -621,7 +622,7 @@ if (APPLE)
     ../source/backend/plugin/CarlaPluginCLAP.cpp
     ../source/backend/plugin/CarlaPluginVST2.cpp
     ../source/backend/plugin/CarlaPluginVST3.cpp
-      PROPERTIES COMPILE_FLAGS -ObjC++)
+    PROPERTIES COMPILE_FLAGS -ObjC++)
 endif()
 
 #######################################################################################################################

cmake/README.md

@@ -1,4 +1,4 @@
-# carla cmake build setup
+# Carla cmake build setup
 
 This directory contains a cmake build setup for a few Carla libraries and tools.  
 It is not meant as a stock replacement for the regular Carla build, but simply as a way to more easily integrate Carla into other projects that already use cmake.