CMake: -Wignored-attributes is not supported in GCC<6.1

-turned off -Wunknown-pragmas for GCC
This commit is contained in:
Lukas Matena 2019-06-25 13:03:10 +02:00
parent 2f806dedc7
commit 471331e8c1

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@ -169,8 +169,19 @@ if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_CXX_COMPILER_ID}" STRE
# On GCC and Clang, no return from a non-void function is a warning only. Here, we make it an error.
add_compile_options(-Werror=return-type)
#removes LOTS of extraneous Eigen warnings
# add_compile_options(-Wno-ignored-attributes) # Tamas: Eigen include dirs are marked as SYSTEM
#removes LOTS of extraneous Eigen warnings (GCC only supports it since 6.1)
#if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" OR CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 6.1)
# add_compile_options(-Wno-ignored-attributes) # Tamas: Eigen include dirs are marked as SYSTEM
#endif()
#GCC generates loads of -Wunknown-pragmas when compiling igl. The fix is not easy due to a bug in gcc, see
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66943 or
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53431
# We will turn the warning of for GCC for now:
if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
add_compile_options(-Wno-unknown-pragmas)
endif()
if (SLIC3R_ASAN)
add_compile_options(-fsanitize=address -fno-omit-frame-pointer)