| clang with libc++ does not like using void* function pointer with sqrt. |
| Update waflib config to detect sqrt function using the correct |
| c++ function pointer syntax. |
| Fixes glmark2 build when using libc++ in clang. |
| diff -Nuar old/waflib/Tools/c_config.py new/waflib/Tools/c_config.py |
| --- old/waflib/Tools/c_config.py |
| +++ new/waflib/Tools/c_config.py |
| @@ -12,6 +12,13 @@ |
| DEFKEYS='define_key' |
| INCKEYS='include_key' |
| cfg_ver={'atleast-version':'>=','exact-version':'==','max-version':'<=',} |
| +SNIP_FUNCTION_SQRT=''' |
| + int main() { |
| + double (*p)(double); |
| + p=(%s); |
| + return 0; |
| +} |
| +''' |
| SNIP_FUNCTION=''' |
| int main() { |
| void *p; |
| @@ -250,7 +257,10 @@ |
| fu=kw['function_name'] |
| if not'msg'in kw: |
| kw['msg']='Checking for function %s'%fu |
| - kw['code']=to_header(kw)+SNIP_FUNCTION%fu |
| + if (fu == 'sqrt') : |
| + kw['code']=to_header(kw)+SNIP_FUNCTION_SQRT%fu |
| + else: |
| + kw['code']=to_header(kw)+SNIP_FUNCTION%fu |
| if not'uselib_store'in kw: |
| kw['uselib_store']=fu.upper() |
| if not'define_name'in kw: |
