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Add option to build CMake against a system libuv 

Create a CMAKE_USE_SYSTEM_LIBUV option.
This commit is contained in:
Brad King 2016-08-16 17:01:23 -04:00
parent e56aa46297
commit 8a5beef32e
3 changed files with 25 additions and 4 deletions
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16
CMakeLists.txt
View File

@ -112,7 +112,7 @@ macro(CMAKE_HANDLE_SYSTEM_LIBRARIES)
# Allow the user to enable/disable all system utility library options by
# defining CMAKE_USE_SYSTEM_LIBRARIES or CMAKE_USE_SYSTEM_LIBRARY_${util}.
set(UTILITIES BZIP2 CURL EXPAT FORM JSONCPP LIBARCHIVE LIBLZMA ZLIB)
set(UTILITIES BZIP2 CURL EXPAT FORM JSONCPP LIBARCHIVE LIBLZMA LIBUV ZLIB)
foreach(util ${UTILITIES})
if(NOT DEFINED CMAKE_USE_SYSTEM_LIBRARY_${util}
AND DEFINED CMAKE_USE_SYSTEM_LIBRARIES)
@ -152,6 +152,7 @@ macro(CMAKE_HANDLE_SYSTEM_LIBRARIES)
"${CMAKE_USE_SYSTEM_LIBRARY_LIBLZMA}" "NOT CMAKE_USE_SYSTEM_LIBARCHIVE" ON)
option(CMAKE_USE_SYSTEM_FORM "Use system-installed libform" "${CMAKE_USE_SYSTEM_LIBRARY_FORM}")
option(CMAKE_USE_SYSTEM_JSONCPP "Use system-installed jsoncpp" "${CMAKE_USE_SYSTEM_LIBRARY_JSONCPP}")
option(CMAKE_USE_SYSTEM_LIBUV "Use system-installed libuv" "${CMAKE_USE_SYSTEM_LIBRARY_LIBUV}")
# For now use system KWIML only if explicitly requested rather
# than activating via the general system libs options.
@ -469,9 +470,22 @@ macro (CMAKE_BUILD_UTILITIES)
set(CMAKE_USE_LIBUV 1)
endif()
if(CMAKE_USE_LIBUV)
if(CMAKE_USE_SYSTEM_LIBUV)
if(NOT CMAKE_VERSION VERSION_LESS 3.0)
include(${CMake_SOURCE_DIR}/Source/Modules/FindLibUV.cmake)
else()
message(FATAL_ERROR "CMAKE_USE_SYSTEM_LIBUV requires CMake >= 3.0")
endif()
if(NOT LIBUV_FOUND)
message(FATAL_ERROR
"CMAKE_USE_SYSTEM_LIBUV is ON but a libuv is not found!")
endif()
set(CMAKE_LIBUV_LIBRARIES LibUV::LibUV)
else()
set(CMAKE_LIBUV_LIBRARIES cmlibuv)
add_subdirectory(Utilities/cmlibuv)
CMAKE_SET_TARGET_FOLDER(cmlibuv "Utilities/3rdParty")
endif()
else()
set(CMAKE_LIBUV_LIBRARIES)
endif()

1
Utilities/cmThirdParty.h.in
View File

@ -22,6 +22,7 @@
#cmakedefine CMAKE_USE_SYSTEM_LIBLZMA
#cmakedefine CMAKE_USE_SYSTEM_FORM
#cmakedefine CMAKE_USE_SYSTEM_JSONCPP
#cmakedefine CMAKE_USE_SYSTEM_LIBUV
#cmakedefine CTEST_USE_XMLRPC
#endif

6
Utilities/cm_uv.h
View File

@ -12,6 +12,12 @@
#ifndef cm_uv_h
#define cm_uv_h
/* Use the libuv library configured for CMake. */
#include "cmThirdParty.h"
#ifdef CMAKE_USE_SYSTEM_LIBUV
#include <uv.h>
#else
#include <cmlibuv/include/uv.h>
#endif
#endif