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Fix cgal when used from distro package

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fix CMake -frounding-math propagation from CGAL.
This commit is contained in:
tamasmeszaros 2020-01-28 14:49:07 +01:00
parent 69549af9ac
commit 04a58e41c4
2 changed files with 20 additions and 13 deletions
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31
src/libslic3r/CMakeLists.txt
View File

@ -238,15 +238,24 @@ if (MSVC AND "${CMAKE_SIZEOF_VOID_P}" STREQUAL "4") # 32 bit MSVC workaround
set(_cgal_defines CGAL_DO_NOT_USE_MPZF)
endif ()
add_library(libslic3r_cgal OBJECT MeshBoolean.cpp MeshBoolean.hpp)
target_include_directories(libslic3r_cgal PRIVATE
${CMAKE_CURRENT_BINARY_DIR}
$<TARGET_PROPERTY:libigl,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:CGAL::CGAL,INTERFACE_INCLUDE_DIRECTORIES>)
target_compile_definitions(libslic3r_cgal PRIVATE ${_cgal_defines}
$<TARGET_PROPERTY:CGAL::CGAL,INTERFACE_COMPILE_DEFINITIONS>)
target_compile_options(libslic3r_cgal PRIVATE
$<TARGET_PROPERTY:CGAL::CGAL,INTERFACE_COMPILE_OPTIONS>)
add_library(libslic3r_cgal STATIC MeshBoolean.cpp MeshBoolean.hpp)
target_include_directories(libslic3r_cgal PRIVATE ${CMAKE_CURRENT_BINARY_DIR})
# Reset compile options of libslic3r_cgal. Despite it being linked privately, CGAL options
# (-frounding-math) still propagate to dependent libs which is not desired.
get_target_property(_cgal_tgt CGAL::CGAL ALIASED_TARGET)
if (NOT TARGET ${_cgal_tgt})
set (_cgal_tgt CGAL::CGAL)
endif ()
get_target_property(_opts ${_cgal_tgt} INTERFACE_COMPILE_OPTIONS)
set(_opts_bad "${_opts}")
set(_opts_good "${_opts}")
list(FILTER _opts_bad INCLUDE REGEX frounding-math)
list(FILTER _opts_good EXCLUDE REGEX frounding-math)
set_target_properties(${_cgal_tgt} PROPERTIES INTERFACE_COMPILE_OPTIONS "${_opts_good}")
target_link_libraries(libslic3r_cgal PRIVATE ${_cgal_tgt} libigl)
target_compile_options(libslic3r_cgal PRIVATE "${_opts_bad}")
encoding_check(libslic3r)
@ -268,7 +277,7 @@ target_link_libraries(libslic3r
qhull
semver
TBB::tbb
$<TARGET_PROPERTY:CGAL::CGAL,INTERFACE_LINK_LIBRARIES>
libslic3r_cgal
${CMAKE_DL_LIBS}
)
@ -287,5 +296,3 @@ endif()
if (SLIC3R_PCH AND NOT SLIC3R_SYNTAXONLY)
add_precompiled_header(libslic3r pchheader.hpp FORCEINCLUDE)
endif ()
target_sources(libslic3r PRIVATE $<TARGET_OBJECTS:libslic3r_cgal>)

2
src/libslic3r/MeshBoolean.cpp
View File

@ -111,7 +111,7 @@ static TriangleMesh cgal_to_triangle_mesh(const _CGALMesh &cgalmesh)
auto vtc = cgalmesh.vertices_around_face(cgalmesh.halfedge(face));
int i = 0;
Vec3crd trface;
for (auto v : vtc) trface(i++) = int(v.idx());
for (auto v : vtc) trface(i++) = static_cast<unsigned>(v);
facets.emplace_back(trface);
}