diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 906a1fc6a..31c3dbd21 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -686,6 +686,13 @@ else() set(LD_SECURITY_FLAGS "${LD_SECURITY_FLAGS} -Wl,-z,noexecheap") endif() + if(BACKCOMPAT) + add_definitions(-DFDELT_TYPE=long\ int) + add_linker_flag_if_supported(-Wl,--wrap=__divmoddi4 LD_BACKCOMPAT_FLAGS) + add_linker_flag_if_supported(-Wl,--wrap=glob LD_BACKCOMPAT_FLAGS) + message(STATUS "Using Lib C back compat flags: ${LD_BACKCOMPAT_FLAGS}") + endif() + # some windows linker bits if (WIN32) add_linker_flag_if_supported(-Wl,--dynamicbase LD_SECURITY_FLAGS) @@ -698,7 +705,7 @@ else() set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c11 -D_GNU_SOURCE ${MINGW_FLAG} ${STATIC_ASSERT_FLAG} ${WARNINGS} ${C_WARNINGS} ${COVERAGE_FLAGS} ${PIC_FLAG} ${C_SECURITY_FLAGS}") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -D_GNU_SOURCE ${MINGW_FLAG} ${STATIC_ASSERT_CPP_FLAG} ${WARNINGS} ${CXX_WARNINGS} ${COVERAGE_FLAGS} ${PIC_FLAG} ${CXX_SECURITY_FLAGS}") - set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${LD_SECURITY_FLAGS}") + set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${LD_SECURITY_FLAGS} ${LD_BACKCOMPAT_FLAGS}") # With GCC 6.1.1 the compiled binary malfunctions due to aliasing. Until that # is fixed in the code (Issue #847), force compiler to be conservative. |