From b6174350ab9c9c8ed21cf7fb812e1e01a36f2c15 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Anna=20=E2=80=9CCyberTailor=E2=80=9D?= <cyber@sysrq.in>
Date: Sat, 27 Jan 2024 05:18:03 +0500
Subject: [PATCH] build: CMake: Add option for static runtime

Enabled by default on Windows.
---
 CMakeLists.txt             | 12 ++++++++++--
 src/CMakeLists.txt         |  2 +-
 src/qt/CMakeLists.txt      |  1 +
 src/qt/test/CMakeLists.txt |  1 +
 src/test/CMakeLists.txt    |  1 +
 5 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 75a021b8f0..8c8ba57859 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -54,7 +54,6 @@ if(MSVC)
     if(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
         message(FATAL_ERROR "It's not yet possible to build Gridcoin with MSVC")
     endif()
-    set(CMAKE_MSVC_RUNTIME_LIBRARY MultiThreaded)
     add_compile_options(/U NDEBUG)
 else()
     add_compile_options(-UNDEBUG)
@@ -85,6 +84,7 @@ option(ENABLE_GUI       "Enable Qt-based GUI" OFF)
 option(ENABLE_DOCS      "Build Doxygen documentation" OFF)
 option(ENABLE_TESTS     "Build tests" OFF)
 option(LUPDATE          "Update translation files" OFF)
+option(STATIC_RUNTIME   "Link runtime statically" ${WIN32})
 
 # CPU-dependent options
 option(ENABLE_SSE41     "Build code that uses SSE4.1 intrinsics" ${HAS_SSE41})
@@ -245,12 +245,20 @@ endif()
 set(CMAKE_POSITION_INDEPENDENT_CODE ${ENABLE_PIE})
 
 # Set compiler flags
-if (APPLE)
+if(APPLE)
     add_compile_options(-Wno-error=deprecated-declarations)
     add_compile_options(-Wno-error=thread-safety-analysis)
     add_compile_options(-Wno-error=thread-safety-reference)
 endif()
 
+if(STATIC_RUNTIME)
+    if(CMAKE_CXX_COMPILER_ID MATCHES "^(GNU|Clang)\$")
+        list(APPEND RUNTIME_LIBS -static-libgcc -static-libstdc++)
+    elseif(MSVC)
+        set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
+    endif()
+endif()
+
 # Set endianness
 if(CMAKE_CXX_BYTE_ORDER EQUAL BIG_ENDIAN)
     set(WORDS_BIGENDIAN 1)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index cc1778d82c..d13071850e 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -257,7 +257,7 @@ endif()
 
 if(ENABLE_DAEMON)
     add_executable(gridcoinresearchd gridcoinresearchd.cpp)
-    target_link_libraries(gridcoinresearchd PUBLIC gridcoin_util)
+    target_link_libraries(gridcoinresearchd PUBLIC ${RUNTIME_LIBS} gridcoin_util)
 
     if(WIN32)
         target_sources(gridcoinresearchd PRIVATE gridcoinresearchd-res.rc)
diff --git a/src/qt/CMakeLists.txt b/src/qt/CMakeLists.txt
index c47c1fa13f..14a7e45b77 100644
--- a/src/qt/CMakeLists.txt
+++ b/src/qt/CMakeLists.txt
@@ -176,6 +176,7 @@ add_dependencies(gridcoinqt gridcoinqt_l10n)
 add_executable(gridcoinresearch WIN32 MACOSX_BUNDLE bitcoin.cpp)
 
 target_link_libraries(gridcoinresearch PRIVATE
+    ${RUNTIME_LIBS}
     Qt5::Widgets
     gridcoin_util
     gridcoinqt
diff --git a/src/qt/test/CMakeLists.txt b/src/qt/test/CMakeLists.txt
index 4717e74597..f6ff90608d 100644
--- a/src/qt/test/CMakeLists.txt
+++ b/src/qt/test/CMakeLists.txt
@@ -8,6 +8,7 @@ set_target_properties(test_gridcoin-qt PROPERTIES
 )
 
 target_link_libraries(test_gridcoin-qt PRIVATE
+    ${RUNTIME_LIBS}
     Qt5::Test
     Qt5::Widgets
     gridcoin_util
diff --git a/src/test/CMakeLists.txt b/src/test/CMakeLists.txt
index 7bed59e789..1555b347ec 100644
--- a/src/test/CMakeLists.txt
+++ b/src/test/CMakeLists.txt
@@ -56,6 +56,7 @@ add_executable(test_gridcoin
 add_subdirectory(data)
 
 target_link_libraries(test_gridcoin PRIVATE
+    ${RUNTIME_LIBS}
     Boost::unit_test_framework
     gridcoin_util
 )