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| author | Logan Chien <tzuhsiang.chien@gmail.com> | 2015-01-22 13:39:08 +0000 |
|---|---|---|
| committer | Logan Chien <tzuhsiang.chien@gmail.com> | 2015-01-22 13:39:08 +0000 |
| commit | de9cc02a31b459db4f2880eba11237fe9ed17bd5 (patch) | |
| tree | 8ccee4450f91d17d09f6adc16ea924ea10771280 /libcxxabi/cmake | |
| parent | 89bb97b7ff976cd33fc349a86fd0c4de3b768c7f (diff) | |
Add -funwind-tables to CMAKE_C_FLAGS.
Without -funwind-tables, the compiler won't generate the unwinding
table for these C functions. However, the functions in libunwind,
such as `_Unwind_Backtrace()`, WILL unwind stack to get the backtrace.
Diffstat (limited to 'libcxxabi/cmake')
| -rw-r--r-- | libcxxabi/cmake/config-ix.cmake | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libcxxabi/cmake/config-ix.cmake b/libcxxabi/cmake/config-ix.cmake index ac31eed6d7a..b6ee40f8d66 100644 --- a/libcxxabi/cmake/config-ix.cmake +++ b/libcxxabi/cmake/config-ix.cmake @@ -1,7 +1,9 @@ include(CheckLibraryExists) +include(CheckCCompilerFlag) include(CheckCXXCompilerFlag) # Check compiler flags +check_c_compiler_flag(-funwind-tables LIBCXXABI_HAS_FUNWIND_TABLES) check_cxx_compiler_flag(-fPIC LIBCXXABI_HAS_FPIC_FLAG) check_cxx_compiler_flag(-fstrict-aliasing LIBCXXABI_HAS_FSTRICT_ALIASING_FLAG) check_cxx_compiler_flag(-nodefaultlibs LIBCXXABI_HAS_NODEFAULTLIBS_FLAG) |