cmake: work around a bug with implicit link directories

Unfortunately, this is necessary because CMake doesn't detect whether
mingw libraries are static or shared and doesn't put a -static flag around
the -lfoo argument which then makes the shared library be linked to.
This commit is contained in:
Ben Boeckel 2014-11-18 17:04:47 -05:00
parent de4fc40576
commit ce71c01f11
1 changed files with 8 additions and 0 deletions

View File

@ -98,6 +98,14 @@ option(STATIC "Link libraries statically" ${DEFAULT_STATIC})
if(MINGW)
get_filename_component(msys2_install_path "[HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\MSYS2 64bit;InstallLocation]" ABSOLUTE)
set(CMAKE_INCLUDE_PATH "${msys2_install_path}/mingw64/include")
# This is necessary because otherwise CMake will make Boost libraries -lfoo
# rather than a full path. Unfortunately, this makes the shared libraries get
# linked due to a bug in CMake which misses putting -static flags around the
# -lfoo arguments.
list(REMOVE_ITEM CMAKE_C_IMPLICIT_LINK_DIRECTORIES
"${msys2_install_path}/mingw64/lib")
list(REMOVE_ITEM CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES
"${msys2_install_path}/mingw64/lib")
endif()
if(STATIC)