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Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 878b3269..a7be0c50 100644 --- a/configure.ac +++ b/configure.ac @@ -284,6 +284,11 @@ PA_ADD_CFLAGS([-Wlong-long],[-Wno-long-long]) dnl This is needed because we intentionally expect strncpy() to fill dnl in a zero-padded (not zero-terminated) buffer in several backends PA_ADD_CFLAGS([-Wstringop-truncation],[-Wno-stringop-truncation]) +dnl This is needed because we assume 2's-completement signed arithmetic; +dnl on compilers with gcc-like command line syntax we pass the -fwrapv +dnl option for exactly that reason. +PA_ADD_CFLAGS([-Wshift-negative-value],[-Wno-shift-negative-value]) + dnl PA_ADD_CFLAGS([-Wwrite-strings]) PA_ARG_ENABLED([werror], [compile with -Werror to error out on any warning], |