ci: Also build InnoSetup installer on Github Actions

.github/workflows/main.yml

@@ -37,8 +37,15 @@ jobs:
       run: |
         mkdir build/package
         node ./ci/packager.js
+    - name: "Package Installer (Prereqs)"
+      run: |
+        curl "-kL" "https://cdn.xaymar.com/ci/innosetup-6.0.3.exe" "-f" "--retry" "5" "-o" "inno.exe"
+        .\inno.exe /VERYSILENT /SP- /SUPPRESSMSGBOXES /NORESTART
+    - name: "Package Installer (Compile)"
+      run: |
+        & 'C:\Program Files (x86)\Inno Setup 6\ISCC.exe' /Qp ".\build\64\installer.iss"
     - name: "Upload Artifacts"
       uses: actions/upload-artifact@v1
       with:
         name: ${{ matrix.os }}
-        path: build/package
+        path: build/package

CMakeLists.txt

@@ -116,18 +116,27 @@ set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/modules/")
 configure_file(
 	"${PROJECT_SOURCE_DIR}/cmake/version.hpp.in"
 	"${PROJECT_BINARY_DIR}/source/version.hpp"
+	@ONLY
 )
 configure_file(
 	"${PROJECT_SOURCE_DIR}/cmake/module.cpp.in"
 	"${PROJECT_BINARY_DIR}/source/module.cpp"
+	@ONLY
 )
 
 # Windows
 if (WIN32)
 	## Installer (InnoSetup)
+	get_filename_component(ISS_FILES_DIR "${CMAKE_INSTALL_PREFIX}" ABSOLUTE)
+	file(TO_NATIVE_PATH "${ISS_FILES_DIR}" ISS_FILES_DIR)
+	get_filename_component(ISS_PACKAGE_DIR "${CMAKE_PACKAGE_PREFIX}" ABSOLUTE)
+	file(TO_NATIVE_PATH "${ISS_PACKAGE_DIR}" ISS_PACKAGE_DIR)
+	get_filename_component(ISS_SOURCE_DIR "${PROJECT_SOURCE_DIR}" ABSOLUTE)
+	file(TO_NATIVE_PATH "${ISS_SOURCE_DIR}" ISS_SOURCE_DIR)
 	configure_file(
 		"${PROJECT_SOURCE_DIR}/cmake/installer.iss.in"
 		"${PROJECT_BINARY_DIR}/installer.iss"
+		@ONLY
 	)
 
 	# Windows Specific Resource Definition

cmake/installer.iss.in

@@ -21,8 +21,8 @@ AppUpdatesURL={#MyAppURL}
 DefaultDirName={code:GetDirName}
 DefaultGroupName={#MyAppName}
 AllowNoIcons=yes
-LicenseFile="@PROJECT_SOURCE_DIR@/LICENSE"
+LicenseFile="@ISS_SOURCE_DIR@/LICENSE"
-OutputDir="@CMAKE_INSTALL_PREFIX@/../"
+OutputDir="@ISS_PACKAGE_DIR@"
 OutputBaseFilename=obs-ffmpeg-encoder-{#MyAppVersion}
 Compression=lzma
 SolidCompression=yes
@@ -34,7 +34,7 @@ VersionInfoDescription={#MyAppName} Setup
 Name: "english"; MessagesFile: "compiler:Default.isl"
 
 [Files]
-Source: "@CMAKE_INSTALL_PREFIX@/*"; DestDir: "{app}"; Flags: ignoreversion recursesubdirs createallsubdirs
+Source: "@ISS_FILES_DIR@/*"; DestDir: "{app}"; Flags: ignoreversion recursesubdirs createallsubdirs
 ; NOTE: Don't use "Flags: ignoreversion" on any shared system files
 
 [Icons]