From 292dd642cefb3717363e96974f055da9dc1cbf23 Mon Sep 17 00:00:00 2001
From: lat9nq <22451773+lat9nq@users.noreply.github.com>
Date: Sat, 12 Dec 2020 22:20:24 -0500
Subject: cmake: Fix generating CMake configs and linking with Boost

Fixes regression by 761206cf81b271f7f4dd6a167a120325b760dbf3, causing
yuzu to not build on Linux with any version of Boost except a cached
1.73 Conan version from before about a day ago.

Moves the Boost requirement out of the `REQUIRED_LIBS` psuedo-2D-array
for Conan to instead be manually configured, using Conan as a fallback
solution if the system does not meet our requirements.

Requires any update from the linux-fresh container in order to build.

**DO NOT MERGE** until someone with the MSVC toolchain can verify this
works there, too.
---
 CMakeLists.txt | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

(limited to 'CMakeLists.txt')

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2316f7684..2366d372c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -160,7 +160,6 @@ macro(yuzu_find_packages)
     # Capitalization matters here. We need the naming to match the generated paths from Conan
     set(REQUIRED_LIBS
     #    Cmake Pkg Prefix  Version     Conan Pkg
-        "Boost             1.73        boost/1.73.0"
         "Catch2            2.13        catch2/2.13.0"
         "fmt               7.1         fmt/7.1.2"
     # can't use until https://github.com/bincrafters/community/issues/1173
@@ -195,6 +194,17 @@ macro(yuzu_find_packages)
     unset(FN_FORCE_REQUIRED)
 endmacro()
 
+if (NOT Boost_FOUND)
+    find_package(Boost 1.73.0 COMPONENTS context headers QUIET)
+    if (Boost_FOUND)
+        set(Boost_LIBRARIES Boost::boost Boost::context)
+    endif()
+endif()
+if (NOT Boost_FOUND)
+    message(STATUS "Boost 1.73.0 or newer not found, falling back to Conan")
+    list(APPEND CONAN_REQUIRED_LIBS "boost/1.73.0")
+endif()
+
 # Attempt to locate any packages that are required and report the missing ones in CONAN_REQUIRED_LIBS
 yuzu_find_packages()
 
@@ -299,6 +309,11 @@ if (CONAN_REQUIRED_LIBS)
     # this time with required, so we bail if its not found.
     yuzu_find_packages(FORCE_REQUIRED)
 
+    if (NOT Boost_FOUND)
+        find_package(Boost 1.73.0 REQUIRED COMPONENTS context headers)
+        set(Boost_LIBRARIES Boost::boost)
+    endif()
+    
     # Due to issues with variable scopes in functions, we need to also find_package(qt5) outside of the function
     if(ENABLE_QT)
         list(APPEND CMAKE_MODULE_PATH "${CONAN_QT_ROOT_RELEASE}")
-- 
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