From 326a1845f924432332071d03d156b7df4af7c46f Mon Sep 17 00:00:00 2001
From: Tim Tavlintsev <ttavlintsev@enttec.com>
Date: Thu, 21 Jul 2022 16:42:21 +1000
Subject: [PATCH] Add CMake option LIBUV_BUILD_SHARED to enable/disable shared
 library build Fix #3637

---
 CMakeLists.txt | 66 +++++++++++++++++++++++++++++---------------------
 1 file changed, 38 insertions(+), 28 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2c42c3ff..a8e19980 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -28,6 +28,8 @@ cmake_dependent_option(LIBUV_BUILD_BENCH
   "Build the benchmarks when building unit tests and we are the root project" ON
   "LIBUV_BUILD_TESTS" OFF)
 
+option(LIBUV_BUILD_SHARED "Build shared lib" ON)
+
 # Qemu Build
 option(QEMU "build for qemu" OFF)
 if(QEMU)
@@ -390,25 +392,27 @@ if(APPLE OR CMAKE_SYSTEM_NAME MATCHES "DragonFly|FreeBSD|Linux|NetBSD|OpenBSD")
   list(APPEND uv_test_libraries util)
 endif()
 
-add_library(uv SHARED ${uv_sources})
-target_compile_definitions(uv
-  INTERFACE
-    USING_UV_SHARED=1
-  PRIVATE
-    BUILDING_UV_SHARED=1
-    ${uv_defines})
-target_compile_options(uv PRIVATE ${uv_cflags})
-target_include_directories(uv
-  PUBLIC
-    $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>
-    $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
-  PRIVATE
-    $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/src>)
-if(CMAKE_SYSTEM_NAME STREQUAL "OS390")
-  target_include_directories(uv PUBLIC $<BUILD_INTERFACE:${ZOSLIB_DIR}/include>)
-  set_target_properties(uv PROPERTIES LINKER_LANGUAGE CXX)
+if(LIBUV_BUILD_SHARED)
+  add_library(uv SHARED ${uv_sources})
+  target_compile_definitions(uv
+    INTERFACE
+      USING_UV_SHARED=1
+    PRIVATE
+      BUILDING_UV_SHARED=1
+      ${uv_defines})
+  target_compile_options(uv PRIVATE ${uv_cflags})
+  target_include_directories(uv
+    PUBLIC
+      $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>
+      $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
+    PRIVATE
+      $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/src>)
+  if(CMAKE_SYSTEM_NAME STREQUAL "OS390")
+    target_include_directories(uv PUBLIC $<BUILD_INTERFACE:${ZOSLIB_DIR}/include>)
+    set_target_properties(uv PROPERTIES LINKER_LANGUAGE CXX)
+  endif()
+  target_link_libraries(uv ${uv_libraries})
 endif()
-target_link_libraries(uv ${uv_libraries})
 
 add_library(uv_a STATIC ${uv_sources})
 target_compile_definitions(uv_a PRIVATE ${uv_defines})
@@ -669,28 +673,34 @@ string(REPLACE ";" " " LIBS "${LIBS}")
 file(STRINGS configure.ac configure_ac REGEX ^AC_INIT)
 string(REGEX MATCH "([0-9]+)[.][0-9]+[.][0-9]+" PACKAGE_VERSION "${configure_ac}")
 set(UV_VERSION_MAJOR "${CMAKE_MATCH_1}")
-# The version in the filename is mirroring the behaviour of autotools.
-set_target_properties(uv PROPERTIES
-  VERSION ${UV_VERSION_MAJOR}.0.0
-  SOVERSION ${UV_VERSION_MAJOR})
+
 set(includedir ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_INCLUDEDIR})
 set(libdir ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR})
 set(prefix ${CMAKE_INSTALL_PREFIX})
-configure_file(libuv.pc.in libuv.pc @ONLY)
 configure_file(libuv-static.pc.in libuv-static.pc @ONLY)
 
 install(DIRECTORY include/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
 install(FILES LICENSE DESTINATION ${CMAKE_INSTALL_DOCDIR})
-install(FILES ${PROJECT_BINARY_DIR}/libuv.pc ${PROJECT_BINARY_DIR}/libuv-static.pc
+install(FILES ${PROJECT_BINARY_DIR}/libuv-static.pc
         DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
-install(TARGETS uv EXPORT libuvConfig
-        RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
-        LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
-        ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
 install(TARGETS uv_a EXPORT libuvConfig
         ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
 install(EXPORT libuvConfig DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/libuv)
 
+if(LIBUV_BUILD_SHARED)
+  # The version in the filename is mirroring the behaviour of autotools.
+  set_target_properties(uv PROPERTIES
+          VERSION ${UV_VERSION_MAJOR}.0.0
+          SOVERSION ${UV_VERSION_MAJOR})
+  configure_file(libuv.pc.in libuv.pc @ONLY)
+  install(FILES ${PROJECT_BINARY_DIR}/libuv.pc
+          DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
+  install(TARGETS uv EXPORT libuvConfig
+          RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+          LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+          ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
+endif()
+
 if(MSVC)
   set(CMAKE_DEBUG_POSTFIX d)
 endif()
-- 
2.37.0