| dnl -------------------------------------------------------------------------- |
| dnl PA_ADD_LANGFLAGS(flag...) |
| dnl |
| dnl Attempt to add the option in the given list to each compiler flags |
| dnl (CFLAGS, CXXFLAGS, ...), if it doesn't break compilation. |
| dnl -------------------------------------------------------------------------- |
| m4_defun([_PA_LANGFLAG_VAR], |
| [m4_case([$1], |
| [C], [CFLAGS], |
| [C++], [CXXFLAGS], |
| [Fortran 77], [FFLAGS], |
| [Fortran], [FCFLAGS], |
| [Erlang], [ERLCFLAGS], |
| [Objective C], [OBJCFLAGS], |
| [Objective C++], [OBJCXXFLAGS], |
| [Go], [GOFLAGS], |
| [m4_fatal([PA_ADD_LANGFLAGS: Unknown language: $1])])]) |
| |
| AC_DEFUN([PA_ADD_LANGFLAGS], |
| [m4_set_foreach(PA_LANG_SEEN_SET, [lang], |
| [_pa_flag_found=no |
| m4_foreach_w([flag], [$1], |
| [AS_IF([test $_pa_flag_found = no], |
| [PA_ADD_FLAGS(_PA_LANGFLAG_VAR(lang),flag,[],[_pa_flag_found=yes])]) |
| ])])]) |
