glslang/0001-pkg-config-compatibility.patch

diff -up glslang-sdk-1.3.275.0/CMakeLists.txt.dma glslang-sdk-1.3.275.0/CMakeLists.txt
--- glslang-sdk-1.3.275.0/CMakeLists.txt.dma	2023-08-09 04:49:36.000000000 +1000
+++ glslang-sdk-1.3.275.0/CMakeLists.txt	2023-09-05 13:21:45.113297799 +1000
@@ -106,6 +106,13 @@ endif()
 
 option(ENABLE_PCH "Enables Precompiled header" ON)
 
+# using pkg-config to configure include paths and link libraries
+include(FindPkgConfig)
+pkg_check_modules(SPIRV_TOOLS REQUIRED SPIRV-Tools>=2019.2.1)
+if(BUILD_SHARED_LIBS)
+    pkg_check_modules(SPIRV_TOOLS_SHARED REQUIRED SPIRV-Tools-shared>=2019.2.1)
+endif(BUILD_SHARED_LIBS)
+
 if(ENABLE_HLSL)
     add_compile_definitions(ENABLE_HLSL)
 endif()
@@ -264,27 +271,7 @@ if(BUILD_EXTERNAL AND IS_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/External)
     add_subdirectory(External)
 endif()
 
-option(ALLOW_EXTERNAL_SPIRV_TOOLS "Allows to build against installed SPIRV-Tools-opt. This is unsupported if the commit isn't the one in known_good.json")
-if(NOT TARGET SPIRV-Tools-opt)
-    if(ALLOW_EXTERNAL_SPIRV_TOOLS)
-        # Look for external SPIR-V Tools build, if not building in-tree
-        message(STATUS "Trying to find local SPIR-V tools")
-        find_package(SPIRV-Tools-opt)
-        if(NOT TARGET SPIRV-Tools-opt)
-            if(ENABLE_OPT)
-                message(WARNING "ENABLE_OPT set but SPIR-V tools not found! Disabling SPIR-V optimization.")
-            endif()
-            set(ENABLE_OPT OFF)
-        endif()
-    else()
-        if(ENABLE_OPT)
-            message(SEND_ERROR "ENABLE_OPT set but SPIR-V tools not found. Please run update_glslang_sources.py, "
-                "set the ALLOW_EXTERNAL_SPIRV_TOOLS option to use a local install of SPIRV-Tools, or set ENABLE_OPT=0.")
-        endif()
-    endif()
-endif()
-
-if(ENABLE_OPT)
+if(${SPIRV_TOOLS_FOUND} EQUAL 1)
     message(STATUS "optimizer enabled")
     add_definitions(-DENABLE_OPT=1)
 else()
@@ -349,9 +336,6 @@ if (GLSLANG_ENABLE_INSTALL)
     file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/glslang-config.cmake.in" [=[
         @PACKAGE_INIT@
         include(CMakeFindDependencyMacro)
-        if(@ENABLE_OPT@)
-            find_dependency(SPIRV-Tools-opt)
-        endif()
         @INSTALL_CONFIG_UNIX@
         include("@PACKAGE_PATH_EXPORT_TARGETS@")
     ]=])
diff -up glslang-sdk-1.3.275.0/External/CMakeLists.txt.dma glslang-sdk-1.3.275.0/External/CMakeLists.txt
--- glslang-sdk-1.3.275.0/External/CMakeLists.txt.dma	2023-08-09 04:49:36.000000000 +1000
+++ glslang-sdk-1.3.275.0/External/CMakeLists.txt	2023-09-05 13:21:45.113297799 +1000
@@ -68,10 +68,4 @@ if(GLSLANG_TESTS)
     endif()
 endif()
 
-if(ENABLE_OPT AND NOT TARGET SPIRV-Tools-opt)
-    if(IS_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/spirv-tools)
-        set(SPIRV_SKIP_TESTS ON CACHE BOOL "Skip building SPIRV-Tools tests")
-        add_subdirectory(spirv-tools)
-    endif()
-endif()
 
 
diff -up glslang-sdk-1.3.275.0/glslang/CMakeLists.txt.dma glslang-sdk-1.3.275.0/glslang/CMakeLists.txt
--- glslang-sdk-1.3.275.0/glslang/CMakeLists.txt.dma	2023-08-09 04:49:36.000000000 +1000
+++ glslang-sdk-1.3.275.0/glslang/CMakeLists.txt	2023-09-05 13:21:45.114297825 +1000
@@ -232,6 +232,8 @@ if(GLSLANG_ENABLE_INSTALL)
     if(NOT BUILD_SHARED_LIBS)
         install(TARGETS MachineIndependent EXPORT glslang-targets)
         install(TARGETS GenericCodeGen EXPORT glslang-targets)
+        configure_file(${CMAKE_CURRENT_SOURCE_DIR}/glslang.pc.cmake.in ${CMAKE_CURRENT_BINARY_DIR}/pkgconfig/glslang.pc @ONLY)
+        install(FILES ${CMAKE_CURRENT_BINARY_DIR}/pkgconfig/glslang.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
     endif()
 
     set(PUBLIC_HEADERS
 
diff -up glslang-sdk-1.3.275.0/glslang/glslang.pc.cmake.in.dma glslang-sdk-1.3.275.0/glslang/glslang.pc.cmake.in
--- glslang-sdk-1.3.275.0/glslang/glslang.pc.cmake.in.dma	2023-09-05 13:21:45.115297852 +1000
+++ glslang-sdk-1.3.275.0/glslang/glslang.pc.cmake.in	2023-09-05 13:21:45.115297852 +1000
@@ -0,0 +1,11 @@
+    prefix=@CMAKE_INSTALL_PREFIX@
+    exec_prefix=@CMAKE_INSTALL_PREFIX@
+    libdir=${exec_prefix}/@CMAKE_INSTALL_LIBDIR@
+    includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@
+    
+    Name: @PROJECT_NAME@
+    Description: OpenGL and OpenGL ES shader front end and validator
+    Requires:
+    Version: @VERSION@
+    Libs: -L${libdir} -lglslang -lOSDependent -lHLSL -lOGLCompiler -lSPVRemapper
+    Cflags: -I${includedir}
\ No newline at end of file
diff -up glslang-sdk-1.3.275.0/SPIRV/CMakeLists.txt.dma glslang-sdk-1.3.275.0/SPIRV/CMakeLists.txt
--- glslang-sdk-1.3.275.0/SPIRV/CMakeLists.txt.dma	2023-08-09 04:49:36.000000000 +1000
+++ glslang-sdk-1.3.275.0/SPIRV/CMakeLists.txt	2023-09-05 13:21:45.116297879 +1000
@@ -89,6 +89,10 @@ target_include_directories(SPIRV PUBLIC
 
 glslang_add_build_info_dependency(SPIRV)
 
+
+set(SPIRV_NAME spirv)
+set(SPIRV_VERSION 1.5.5)
+
 if (ENABLE_SPVREMAPPER)
     add_library(SPVRemapper ${LIB_TYPE} ${SPVREMAP_SOURCES} ${SPVREMAP_HEADERS})
     set_target_properties(SPVRemapper PROPERTIES
@@ -105,10 +109,17 @@ if(WIN32 AND BUILD_SHARED_LIBS)
     endif()
 endif()
 
+target_include_directories(SPIRV PUBLIC ${SPIRV_TOOLS_INCLUDE_DIRS})
+target_compile_options(SPIRV PUBLIC ${SPIRV_TOOLS_CFLAGS_OTHER})
+target_link_libraries(SPIRV ${SPIRV_TOOLS_LIBRARIES})
+if(BUILD_SHARED_LIBS)
+    target_include_directories(SPIRV PUBLIC ${SPIRV_TOOLS_SHARED_INCLUDE_DIRS})
+    target_compile_options(SPIRV PUBLIC ${SPIRV_TOOLS_SHARED_CFLAGS_OTHER})
+    target_link_libraries(SPIRV ${SPIRV_TOOLS_SHARED_LIBRARIES})
+endif(BUILD_SHARED_LIBS)
+
 if(ENABLE_OPT)
-    target_link_libraries(SPIRV PRIVATE MachineIndependent PUBLIC SPIRV-Tools-opt)
-    target_include_directories(SPIRV PUBLIC
-        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/../External>)
+    target_link_libraries(SPIRV glslang)
 else()
     target_link_libraries(SPIRV PRIVATE MachineIndependent)
 endif()
@@ -125,5 +125,9 @@ if(GLSLANG_ENABLE_INSTALL)
 
     install(TARGETS SPIRV EXPORT glslang-targets)
 
+    # spirv.pc Configuration
+    configure_file(${CMAKE_CURRENT_SOURCE_DIR}/spirv.pc.cmake.in ${CMAKE_CURRENT_BINARY_DIR}/pkgconfig/spirv.pc @ONLY)
+    install(FILES ${CMAKE_CURRENT_BINARY_DIR}/pkgconfig/spirv.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
+
     install(FILES ${PUBLIC_HEADERS} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/glslang/SPIRV/)
 endif()
diff -up glslang-sdk-1.3.275.0/SPIRV/spirv.pc.cmake.in.dma glslang-sdk-1.3.275.0/SPIRV/spirv.pc.cmake.in
--- glslang-sdk-1.3.275.0/SPIRV/spirv.pc.cmake.in.dma	2023-09-05 13:21:45.116297879 +1000
+++ glslang-sdk-1.3.275.0/SPIRV/spirv.pc.cmake.in	2023-09-05 13:21:45.116297879 +1000
@@ -0,0 +1,11 @@
+    prefix=@CMAKE_INSTALL_PREFIX@
+    exec_prefix=@CMAKE_INSTALL_PREFIX@
+    libdir=${exec_prefix}/@CMAKE_INSTALL_LIBDIR@
+    includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@
+    
+    Name: @SPIRV_NAME@
+    Description: SPIR-V is a binary intermediate language for representing graphical-shader stages and compute kernels for multiple Khronos APIs, including OpenCL, OpenGL, and Vulkan
+    Requires:
+    Version: @SPIRV_VERSION@
+    Libs: -L${libdir} -lSPIRV
+    Cflags: -I${includedir}
\ No newline at end of file
diff -up glslang-sdk-1.3.275.0/SPIRV/SpvTools.cpp.dma glslang-sdk-1.3.275.0/SPIRV/SpvTools.cpp
--- glslang-sdk-1.3.275.0/SPIRV/SpvTools.cpp.dma	2023-08-09 04:49:36.000000000 +1000
+++ glslang-sdk-1.3.275.0/SPIRV/SpvTools.cpp	2023-09-05 13:21:45.117297906 +1000
@@ -43,7 +43,7 @@
 #include <iostream>
 
 #include "SpvTools.h"
-#include "spirv-tools/optimizer.hpp"
+#include <spirv-tools/optimizer.hpp>
 
 namespace glslang {
 
diff -up glslang-sdk-1.3.275.0/StandAlone/CMakeLists.txt.dma glslang-sdk-1.3.275.0/StandAlone/CMakeLists.txt
--- glslang-sdk-1.3.275.0/StandAlone/CMakeLists.txt.dma	2023-08-09 04:49:36.000000000 +1000
+++ glslang-sdk-1.3.275.0/StandAlone/CMakeLists.txt	2023-09-05 13:22:23.806333232 +1000
@@ -63,6 +63,14 @@ set(LIBRARIES
     SPIRV
     glslang-default-resource-limits)
 
+if(BUILD_SHARED_LIBS)
+    set(LIBRARIES ${LIBRARIES} ${SPIRV_TOOLS_SHARED_LIBRARIES})
+    target_include_directories(glslang-standalone PUBLIC ${SPIRV_TOOLS_SHARED_INCLUDE_DIRS})
+else()
+    set(LIBRARIES ${LIBRARIES} ${SPIRV_TOOLS_LIBRARIES})
+    target_include_directories(glslang-standalone PUBLIC ${SPIRV_TOOLS_INCLUDE_DIRS})
+endif(BUILD_SHARED_LIBS)
+
 if(WIN32)
     set(LIBRARIES ${LIBRARIES} psapi)
 elseif(UNIX)
@@ -72,8 +80,6 @@ elseif(UNIX)
 endif()
 
 target_link_libraries(glslang-standalone ${LIBRARIES})
-target_include_directories(glslang-standalone PUBLIC
-    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/../External>)
 
 if(ENABLE_SPVREMAPPER)
     set(REMAPPER_SOURCES spirv-remap.cpp)