summaryrefslogtreecommitdiff
path: root/cmake
diff options
context:
space:
mode:
authorLogan Chien <tzuhsiang.chien@gmail.com>2015-01-22 13:39:08 +0000
committerLogan Chien <tzuhsiang.chien@gmail.com>2015-01-22 13:39:08 +0000
commit1c5ae1314f7ce7a655b172c8c77a7768fff1b3f6 (patch)
tree5f8d722d48d7715d182064dd3aa653f02b593ea0 /cmake
parent045a7c882bee744550c09c84109be93dc6142c11 (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. git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@226823 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'cmake')
-rw-r--r--cmake/config-ix.cmake2
1 files changed, 2 insertions, 0 deletions
diff --git a/cmake/config-ix.cmake b/cmake/config-ix.cmake
index ac31eed..b6ee40f 100644
--- a/cmake/config-ix.cmake
+++ b/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)