diff options
Diffstat (limited to 'cmake')
| -rwxr-xr-x | cmake/config-ix.cmake | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/cmake/config-ix.cmake b/cmake/config-ix.cmake index e8d18635f4..7f338d8d01 100755 --- a/cmake/config-ix.cmake +++ b/cmake/config-ix.cmake @@ -300,6 +300,20 @@ endif() find_package(LibXml2) if (LIBXML2_FOUND) set(CLANG_HAVE_LIBXML 1) + # When cross-compiling, liblzma is not detected as a dependency for libxml2, + # which makes linking c-index-test fail. But for native builds, all libraries + # are installed and checked by CMake before Makefiles are generated and everything + # works according to the plan. However, if a -llzma is added to native builds, + # an additional requirement on the static liblzma.a is required, but will not + # be checked by CMake, breaking native compilation. + # Since this is only pertinent to cross-compilations, and there's no way CMake + # can check for every foreign library on every OS, we add the dep and warn the dev. + if ( DEFINED CMAKE_CROSSCOMPILING ) + if (NOT PC_LIBXML_VERSION VERSION_LESS "2.8.0") + message(STATUS "Adding LZMA as a dep to XML2 for cross-compilation, make sure liblzma.a is available.") + set(LIBXML2_LIBRARIES ${LIBXML2_LIBRARIES} "-llzma") + endif () + endif ( CMAKE_CROSSCOMPILING ) endif () include(CheckCXXCompilerFlag) |