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cmake: Search for both libmsgpackc and libmsgpack #4075

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libmsgpack was the old C++ library provided by msgpack-c.  The C library
is libmsgpackc.

The C++ support became header-only, but there was a bug
(msgpack/msgpack-c#395) wherein using msgpack-c's CMake build system
would only install libmsgpack instead of libmsgpackc.

Searching for both libraries, but preferring libmsgpackc, allows for
building against older msgpack-c releases and prepares for the upcoming
msgpack-c release which fixes the aforementioned issues.

Signed-off-by: James McCoy <jamessan@jamessan.com>
This commit is contained in:
James McCoy 2016-01-22 14:37:19 -05:00 committed by Florian Walch
parent bcbcf235f6
commit feb70192a8
1 changed files with 4 additions and 3 deletions
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7
cmake/FindMsgpack.cmake
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@ -7,7 +7,7 @@
if(NOT MSGPACK_USE_BUNDLED) if(NOT MSGPACK_USE_BUNDLED)
find_package(PkgConfig) find_package(PkgConfig)
if (PKG_CONFIG_FOUND) if (PKG_CONFIG_FOUND)
pkg_check_modules(PC_MSGPACK QUIET msgpack) pkg_search_module(PC_MSGPACK QUIET msgpackc msgpack)
endif() endif()
else() else()
set(PC_MSGPACK_INCLUDEDIR) set(PC_MSGPACK_INCLUDEDIR)
@ -23,13 +23,14 @@ find_path(MSGPACK_INCLUDE_DIR msgpack.h
HINTS ${PC_MSGPACK_INCLUDEDIR} ${PC_MSGPACK_INCLUDE_DIRS} HINTS ${PC_MSGPACK_INCLUDEDIR} ${PC_MSGPACK_INCLUDE_DIRS}
${LIMIT_SEARCH}) ${LIMIT_SEARCH})
# If we're asked to use static linkage, add libmsgpack.a as a preferred library name. # If we're asked to use static linkage, add libmsgpack{,c}.a as a preferred library name.
if(MSGPACK_USE_STATIC) if(MSGPACK_USE_STATIC)
list(APPEND MSGPACK_NAMES list(APPEND MSGPACK_NAMES
"${CMAKE_STATIC_LIBRARY_PREFIX}msgpackc${CMAKE_STATIC_LIBRARY_SUFFIX}"
"${CMAKE_STATIC_LIBRARY_PREFIX}msgpack${CMAKE_STATIC_LIBRARY_SUFFIX}") "${CMAKE_STATIC_LIBRARY_PREFIX}msgpack${CMAKE_STATIC_LIBRARY_SUFFIX}")
endif() endif()
list(APPEND MSGPACK_NAMES msgpack) list(APPEND MSGPACK_NAMES msgpackc msgpack)
find_library(MSGPACK_LIBRARY NAMES ${MSGPACK_NAMES} find_library(MSGPACK_LIBRARY NAMES ${MSGPACK_NAMES}
HINTS ${PC_MSGPACK_LIBDIR} ${PC_MSGPACK_LIBRARY_DIRS} HINTS ${PC_MSGPACK_LIBDIR} ${PC_MSGPACK_LIBRARY_DIRS}