Fixes this error when building with Clang 3.7.1:
fatal error: error in backend: unsupported relocation on symbol
x86_64-pc-linux-gnu-clang-3.7: error: clang frontend command failed with exit code 70 (use -v to see invocation)
clang version 3.7.1 (tags/RELEASE_371/final)
Target: arm-none--eabi
Thread model: posix
x86_64-pc-linux-gnu-clang-3.7: note: diagnostic msg: PLEASE submit a bug report to http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and associated run script.
x86_64-pc-linux-gnu-clang-3.7: note: diagnostic msg:
********************
PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
x86_64-pc-linux-gnu-clang-3.7: note: diagnostic msg: /tmp/vectors_cortexm-54333e.c
x86_64-pc-linux-gnu-clang-3.7: note: diagnostic msg: /tmp/vectors_cortexm-54333e.sh
x86_64-pc-linux-gnu-clang-3.7: note: diagnostic msg:
********************
- (optimization) only fill ISR stack with canary values if
DEVELHELP macro is set (as we don't use these values otherwise)
- (cosmetic) moved define before variable definitions
Fixes error on LLVM/Clang:
cpu/cortexm_common/vectors_cortexm.c:287:5: error: non-ASM statement in naked function is not supported
core_panic(PANIC_HARD_FAULT, "HARD FAULT HANDLER");
^
cpu/cortexm_common/include/vectors_cortexm.h:65:46: note: attribute is here
void hard_fault_default(void) __attribute__((naked));
^
1 error generated.
Ian Martin