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cmake: avoid using of pkg-config in cross-compilation mode unconditionally

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- specify PKG_CONFIG_LIBDIR environment variable to new target SYSROOT
This commit is contained in:
Alexander Alekhin 2018-01-31 16:56:24 +03:00
parent 98bd0a06dc
commit c4f9ff0285
1 changed files with 16 additions and 2 deletions
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18
CMakeLists.txt
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@ -552,8 +552,22 @@ endif(WIN32 AND NOT MINGW)
# CHECK FOR SYSTEM LIBRARIES, OPTIONS, ETC..
# ----------------------------------------------------------------------------
if(UNIX)
if(NOT APPLE_FRAMEWORK)
find_package(PkgConfig QUIET)
if(NOT APPLE_FRAMEWORK OR OPENCV_ENABLE_PKG_CONFIG)
if(CMAKE_CROSSCOMPILING AND NOT DEFINED ENV{PKG_CONFIG_LIBDIR}
AND NOT OPENCV_ENABLE_PKG_CONFIG
)
if(NOT PkgConfig_FOUND)
message(STATUS "OpenCV disables pkg-config to avoid using of host libraries. Consider using PKG_CONFIG_LIBDIR to specify target SYSROOT")
elseif(OPENCV_SKIP_PKG_CONFIG_WARNING)
message(WARNING "pkg-config is enabled in cross-compilation mode without defining of PKG_CONFIG_LIBDIR environment variable. This may lead to misconfigured host-based dependencies.")
endif()
elseif(OPENCV_DISABLE_PKG_CONFIG)
if(PkgConfig_FOUND)
message(WARNING "OPENCV_DISABLE_PKG_CONFIG flag has no effect")
endif()
else()
find_package(PkgConfig QUIET)
endif()
endif()
include(CheckFunctionExists)
include(CheckIncludeFile)