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Fixed MINGW duplicate library errors when MSYS folder cannot be found.

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*Thanks to luigi1111 for reporting.
This commit is contained in:
NoodleDoodleNoodleDoodleNoodleDoodleNoo 2015-07-17 19:49:22 -07:00
parent a092fcd607
commit 464dbe7379
1 changed files with 5 additions and 5 deletions
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10
CMakeLists.txt
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@ -159,16 +159,16 @@ endif()
option(STATIC "Link libraries statically" ${DEFAULT_STATIC})
if(MINGW)
get_filename_component(msys2_install_path "[HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\MSYS2 ${ARCH_WIDTH}bit;InstallLocation]" ABSOLUTE)
string(REGEX MATCH "^[^/]:/[^/]*" msys2_install_path "${CMAKE_C_COMPILER}")
message(STATUS "MSYS location: ${msys2_install_path}")
set(CMAKE_INCLUDE_PATH "${msys2_install_path}/mingw${ARCH_WIDTH}/include")
# This is necessary because otherwise CMake will make Boost libraries -lfoo
# rather than a full path. Unfortunately, this makes the shared libraries get
# linked due to a bug in CMake which misses putting -static flags around the
# -lfoo arguments.
list(REMOVE_ITEM CMAKE_C_IMPLICIT_LINK_DIRECTORIES
"${msys2_install_path}/mingw${ARCH_WIDTH}/lib")
list(REMOVE_ITEM CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES
"${msys2_install_path}/mingw${ARCH_WIDTH}/lib")
set(DEFLIB ${msys2_install_path}/mingw${ARCH_WIDTH}/lib)
list(REMOVE_ITEM CMAKE_C_IMPLICIT_LINK_DIRECTORIES ${DEFLIB})
list(REMOVE_ITEM CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES ${DEFLIB})
endif()
if(STATIC)