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Include libxml2 and zlib as required libraries

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libxml2 is a required library, but we only find out that when the build
fails to link against it, if it is not present. The same for zlib.

We use find_library to find these two libraries and print nice fail
messages if they are not found.
This commit is contained in:
Wander Lairson Costa 2018-03-20 11:46:31 +00:00
parent e966d375fb
commit 543952eb87
1 changed files with 17 additions and 1 deletions
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18
CMakeLists.txt
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@ -49,6 +49,22 @@ option(ZIG_FORCE_EXTERNAL_LLD "If your system has the LLD patches use it instead
find_package(llvm)
find_package(clang)
if(NOT MSVC)
find_library(LIBXML2 NAMES xml2 libxml2)
if(${LIBXML2} STREQUAL "LIBXML2-NOTFOUND")
message(FATAL_ERROR "Could not find libxml2")
else()
message("${LIBXML2} found")
endif()
find_library(ZLIB NAMES z zlib libz)
if(${ZLIB} STREQUAL "ZLIB-NOTFOUND")
message(FATAL_ERROR "Could not find zlib")
else()
message("${ZLIB} found")
endif()
endif()
set(ZIG_CPP_LIB_DIR "${CMAKE_BINARY_DIR}/zig_cpp")
if(ZIG_FORCE_EXTERNAL_LLD)
@ -710,7 +726,7 @@ target_link_libraries(zig LINK_PUBLIC
${CMAKE_THREAD_LIBS_INIT}
)
if(NOT MSVC)
target_link_libraries(zig LINK_PUBLIC xml2)
target_link_libraries(zig LINK_PUBLIC ${LIBXML2})
endif()
if(ZIG_DIA_GUIDS_LIB)
target_link_libraries(zig LINK_PUBLIC ${ZIG_DIA_GUIDS_LIB})