| dnl Add a set of flags to WARNING_FLAGS, that enable compiler warnings for |
| dnl isl. The warnings that are enabled vary with the compiler and only include |
| dnl warnings that did not trigger at the time of adding these flags. |
| AC_DEFUN([AX_SET_WARNING_FLAGS],[dnl |
| AX_COMPILER_VENDOR |
| |
| WARNING_FLAGS="" |
| |
| if test "${ax_cv_c_compiler_vendor}" = "clang"; then |
| dnl isl is at the moment clean of -Wall warnings. If clang adds |
| dnl new warnings to -Wall which cause false positives, the |
| dnl specific warning types will be disabled explicitally (by |
| dnl adding for example -Wno-return-type). To temporarily disable |
| dnl all warnings run configure with CFLAGS=-Wno-all. |
| WARNING_FLAGS="-Wall" |
| fi |
| ]) |
